Hawai`i—Origin of Earthquakes & What causes them (Educational) IRIS Earthquake Science 2024-10-12 | Hawai`i—Origin of Earthquakes & What causes them (Educational)
Earthquake Early Warning System for the Pacific Northwest IRIS Earthquake Science 2023-02-23 | On March 11, 2011, a devastating magnitude-9 earthquake struck off the coast of Tohoku, Japan, where the Pacific Plate dives beneath the Okhotsk Plate. On January 26th, 1700, the West Coast of the United States experienced a similar tsunami-generating megathrust earthquake. An earthquake like this will strike the Cascadia subduction zone again. How can we protect ourselves?Residents of California, Oregon and Washington now have an earthquake early warning tool—the ShakeAlert© system, operated by the United States Geological Survey.To download a copy of the mp4, see EarthScope / SAGE InClass: https://www.iris.edu/hq/inclass/animation/earthquake_early_warning_system_for_the_pacific_northwest
Ice Ghosts: At the intersection of art, snow seismology, and public imagination IRIS Earthquake Science 2022-11-10 | Presented by: Dr. Julien ChaputPresented on: November 10, 2022
Quantifying geomorphic change using drone-based lidar IRIS Earthquake Science 2022-10-27 | Presenter: Harrison Martin, Indiana UniversityPresented on: October 27, 2022
Lunar Seismology Past Present Future IRIS Earthquake Science 2022-09-29 | Presenter: Dr. Ceri Nunn, NASA JPLPresented on: September 29, 2022
What is Geophysics? IRIS Earthquake Science 2022-08-19 | Have you ever wondered how we know what the inside of our planet is like even though our most advanced drills barely scratch its surface? Or why some places have earthquakes or auroras, but others do not? To investigate those questions and others like them, scientists study geophysics, one of the major branches of geoscience that applies the principles of physics to the study of the Earth.
Geodynamics IRIS Earthquake Science 2022-08-19 | Did you know that Earth and Venus are about the same size and composition, yet the Earth has plate tectonics and Venus does not? Do you wonder why Mars has a liquid core, but no magnetic field and no atmosphere? Geodynamics focuses on the underlying physical processes that drive plate tectonics and other geophysical phenomena on Earth, as well as the similar processes on other solid planets and moons in our solar system. Geodynamicists are geophysicists that ask the large-scale questions, ‘How does it work?’ and ‘Why does it work?’
Seismology IRIS Earthquake Science 2022-08-19 | Seismology is the study of earthquakes and related phenomena. When an earthquake occurs, either from large-scale plate tectonic processes or by stresses within the Earth’s crust, energy is released in the form of seismic waves. Seismic waves travel through rock, causing vibrations that can be measured on devices called seismometers. Networks of these sensors collect data on the duration and intensity of shaking associated with a single earthquake. Seismologists are the scientists who extract information from these seismic waves for many purposes: to develop an understanding of what is happening below the Earth’s surface, within the crust, or all the way to the deep interior of our planet.
What is Geoscience? IRIS Earthquake Science 2022-07-08 | The geosciences (or Earth and space sciences) are a collection of many different branches of science that study the planet Earth. These sciences work to understand the interactions between Earth systems – geosphere, hydrosphere, atmosphere, biosphere, and exosphere - from planetary to microscopic scales. This video was made in through collaboration between IRIS and North Carolina State University.
Elevator Speech—Tool for getting a position you really want. IRIS Earthquake Science 2022-06-23 | Searching and networking for a job can be stressful, especially if it's for a position you really want! What if you had only 30 seconds to introduce yourself to someone working at your dream company? How would you get them interested enough to keep talking to you so you could learn about potential job opportunities? Elevator speeches, or elevator pitches, are a form of networking in which you describe yourself and your work in about 30 seconds. Importantly, they include a “hook” – some interesting and relevant information that grabs your audience’s attention to engage them in the conversation. They’re called “elevator speeches” because they should be about the length of time it takes to ride an elevator to another floor. They make the perfect opportunity to open a short conversation with a potential employer.
Natural Hazards Geophysics IRIS Earthquake Science 2022-06-16 | Natural hazards are all around us. Earthquakes, volcanic eruptions, landslides and tsunamis are all natural processes, but may have the potential to harm people living in the affected regions and cause billions of dollars of damage. In many cases, these risks are reaching farther and becoming more severe due to climate change. Geophysicists play a vital role in assessing the potential risks from natural hazards and geophysical research can point to ways to lessen the impacts of these hazardous events.
Africa—Tectonic Setting and Historic Earthquakes (2022; educational) IRIS Earthquake Science 2022-05-27 | The African Plate is a major tectonic plate straddling the Equator as well as the prime meridian. It includes much of the continent of Africa, as well as oceanic crust which lies between the continent and various surrounding ocean ridges. Continental rifting is breaking E. and S. Africa into multiple microplates.This resource has been developed as part of the SAGE facility operated by IRIS via supportfrom the National Science Foundation. For more animations on tectonic settings worldwide: www.iris.edu/earthquakeWritten & directed by Dr. Robert F. Butler, University of PortlandNarrated by Asenath Kwagalakwe, VA Tech, and Dr. Wendy Bohon, IRIS.Animation & graphics by Jenda Johnson, Earth Sciences AnimatedEdited by Dr. Beth Pratt-Sitaula, UNAVCO and Dr. Sarah Stamps, Virginia TechPhotographs from: Sarah Stamps; UNAVCO; Public domain sourcesMaps from GeoMappApp and the U.S. Geological SurveyEarthquake locations from IRIS Earthquake Browser (www.iris/ieb)Microplate rotations: Sarah Stamps et al, 2020, Redefining East African Rift System kinematics; in GeologyRifting stages modified from Biggs et al., 2021, Volcanic activity and hazard in the East African Rift Zone; in Nature CommunicationsVideo footage of Agadir is from the Associated Press (copyright)Music from Youssoupha Sidibe, Sacred Sound (freemusicarchive.org) and Nnankasaa, Awatsimnba, and Wogala, Elgon Troup (freemusicarchive.org)
Advancing Pedagogy and Inclusivity through Multi-Modal Seismology Modules in the Era of COVID-19 IRIS Earthquake Science 2022-05-26 | Presenters:Dr. Derek Schutt, Colorado State University (Derek.Schutt@colostate.edu)Dr. Tolulope Olugboji, University of Rochester (tolulope.olugboji@rochester.edu)Dr. Margarete Jadamec, University at Buffalo (mjadamec@buffalo.edu)Presented on May 26, 2022
2018 Kīlauea Eruption: Expected or a Surprise? What Have We Learned? IRIS Earthquake Science 2022-05-25 | Dr. Guoqing Lin2022 RIS/SSA Distinguished LecturerKīlauea volcano in Hawai‘i is one of the most active volcanoes in the world. The U.S.G.S./HVO operates an extensive seismic network to monitor and investigate hazards from active volcanoes and earthquakes on the Island of Hawai‘i. Seismic investigations have considerable potential for addressing key issues regarding the evolution of volcanic and tectonic activity in Hawai‘i. Specifically, what is the relationship between crustal stress changes and past and future seismic and volcanic events? To what extent are stress changes explained by known events and how predictive are they of future events? In 2018, Kīlauea experienced its largest Lower East Rift Zone eruption and caldera collapse in the past 200 years. This activity provided an unprecedented opportunity for seismologists to investigate the interactions between seismic and magmatic processes and for the general community to learn how seismologists use earthquake data to monitor volcanoes. In this talk, I will present the seismic activity in Kīlauea based on the 33 years of HVO records and focus on the changes in earthquake distribution, seismic wave speeds, and stress field before and after the 2018 eruption. I will also review the geological setting and volcanic activity of Kīlauea volcano along with other volcanoes on the Big Island.
Introduction to Near Surface Geophysics IRIS Earthquake Science 2022-05-02 | Near-surface geophysics focuses on how the environment (soil, water, air) and human-made activities (mining, archaeology, agricultural practices, etc.) interact just below the surface of the Earth. Near-surface geophysics applications include how surficial processes affect groundwater, how near-surface fault zones and structures affect the stability of utilities and infrastructure, and even in forensic applications. This sector is suitable for those who want to study how humans and their impact can affect natural processes. Near-surface geophysics can involve field work, both in remote or urban areas, computer modeling, and interpretation of natural processes using specific tools, such as Ground Penetrating Radar (GPR), and has wide applications for the energy and power sectors. This video was made in through collaboration between IRIS and North Carolina State University.
A major Earthquake just happened!!! How can I teach about it? Use Earthquake Teachable Moments IRIS Earthquake Science 2022-05-02 | Updated to reflect newer web page.IRIS Recent Earthquake Teachable Moments (www.iris.edu/retm) capture that unplanned opportunity to bring knowledge, insight, and critical thinking to the classroom following a newsworthy earthquake. Each IRIS Teachable Moment: —Is a 5-15 slide PowerPoint presentation that — contains interpreted USGS regional tectonic maps and summaries, computer animations, seismograms, AP photos, and other event-specific information — Generated within hours of the event! — Prepared by seismologists and educators! — A classroom-ready product that can be customized! — Is pushed to you through notifications when new products are ready!
Collapse of Kilauea Caldera during the 2018 eruption (Educational; 2022) IRIS Earthquake Science 2022-04-26 | www.iris.edu/earthquake for more animationsStanford University/Incorporated Research Institutions for Seismology/U.S. Geological Survey collaboration. In 2018, Kīlauea Volcano experienced its largest caldera collapse in more than 200 years profoundly changing the landscape. We use a highly simplified cross section of a magma reservoir and the overlying caldera to look at the subterranean architecture of Kilauea, and to show how the massive outpouring of lava in 2018 caused the summit of the volcano to collapse.
Somewhere Over the Rainbow: Ambient Noise Interferometry as a Volcanic Eruption Forecasting Tool IRIS Earthquake Science 2022-04-14 | Presenter: Dr. Ninfa Bennington, USGS Hawaiian Volcano ObservatoryPresented on: April 14, 2022
Discovering Historical Tsunami Data Through Time-Lapse Animation IRIS Earthquake Science 2022-03-16 | Presented by: Nicolas Arcos, NOAA NCEILindsey Wright, CIRES - University of Colorado at Boulder, NOAA NCEIPresented on: March 10, 2022Natural Hazards Databases at NCEIngdc.noaa.gov/hazel/view/aboutNatural Hazards Map Viewerncei.noaa.gov/maps/hazardsTsunami Events Time-Lapse Animationncei.noaa.gov/maps/tsunami-eventsTsunami Events Time-Lapse Animation Teacher Guide and Tsunami Worksheetncei.noaa.gov/news/ncei-supports-natural-hazards-educationNCEI Tsunami Information and Datangdc.noaa.gov/hazard/tsu.shtml
Hazard, resource and risk assessments in the near surface through active source seismology IRIS Earthquake Science 2022-02-14 | Presented by: Lee Liberty, Boise State UniversityPresented on: February 11, 2022
Interview with a geoscientist—Dr. Sherilyn Williams-Stroud, structural geologist IRIS Earthquake Science 2022-01-28 | Dr. Sherilyn Williams-Stroud is a structural geologist and a Research Scientist at the Illinois State Geological Survey (ISGS) and started her own consulting company Confractus, Inc. She has previously worked in government at the United States Geological Survey and in the oil and gas industry. Her current research and interests are in carbon dioxide sequestration and induced seismicity.0:01 Tell Us About Yourself0:39 What was your career path?1:23 What are some geoscience topics you find interesting?3:37 What skills, training, and certifications do you need for your work?4:56 What are opportunities for growth in your position/field?7:33 How do you find a mentor?8:50 How do you balance your work and personal life?10:46 What advice would you give to students interested in geology?
Interview with seismologists—Dr. Scott Wipperfurth IRIS Earthquake Science 2022-01-12 | Scott Wipperfurth earned his PhD in Geophysics and currently uses his skills and training in data science and computer coding as a Healthcare Informatics Analyst at WPS Health Solutions in Madison, Wisconsin. Scott was a first generation college student and during this interview he discusses the financial costs and opportunities he encountered with his geoscience degrees.Timestamps:0:00 Tell Us About Yourself1:06 What does your work day look like?2:26 What topics related to geophysics interest you most?2:53 What were the steps you took in your academic career that led you to your current position?4:00 What barriers did you encounter in this aspect of your life?4:44 How financially obtainable do you think a degree in geoscience is?5:58 What skills were applicable in your career?6:52 What is your workplace atmosphere like?7:34 What advice would you give to students pursuing a career in geoscience?
NEW!! What Drives Plate Tectonics? What are the forces involved? (new convection ending; 2022) IRIS Earthquake Science 2022-01-10 | ERRATA: At 6 min 10 sec the plate says "100cm/yr"; it should be "100 mm/year". For a downloadable corrected version, go to: www.iris.edu/hq/inclass/animation/557CHAPTERS:0:00 Intro on mantle convection0:27 Young hot vs Old cold plates1:10 Spreading ridges3:44 Gravity force that pushes 4:15 Force that pulls subducting slab6:05 Push & pull in action on Pacific Plate6:20 Thermal convection system6:52 Convection system in 3DThis January 2022 updated version of our animation addresses convection at the end.Lithospheric plates are part of a planetary scale thermal convection system. The energy source for plate tectonics is Earth’s internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces.It was once thought that mantle convection could drive plate motions. Early textbooks showed mantle convection cells, like in a beaker of hot liquid on a Bunson burner, pushing plates along from below. Current dynamic models have plates moving as part of a gravity-driven convection system that pushes young hot plates away from spreading ridges and pulls old cold plates down into subduction zones.Narrated by Roger Groom, Mount Taber Middle SchoolAnimation & graphics by Jenda Johnson, Earth Sciences AnimatedDirected by Robert Butler, Geophysicist, University of Portland, ORScientific review by Michael Wysession, Washington University in St. LouisTechnical advisor Glenn Kroeger, Trinity UniversityDr. Bunsen Honey Dew II: transformative and fair use of Dr. Bunsen Honeydew© used for educational non-commercial purposes only.Map of sea-floor ages, math of world bathymetry, and bathymetric profile of the E. Pacific Rise from the National Oceanic & Atmospheric AdministrationCross section of tectonics modified from USGS This Dynamic EarthLandslide animation: NASA's Goddard Space Flight CenterMade possible by support from the National Science Foundation
Interviews with seismologists—Dr Mo Holt, seismologist, Univ. of Illinois Chicago IRIS Earthquake Science 2022-01-10 | Introduction: Mo Holt is an observational seismologist and researcher for the Earth and Environmental Science Department at the University of Illinois at Chicago. She is a part of the university’s bridge to the faculty research program. Mo’s research focuses on different aspects of seismology including forensic seismology and analyzing underground seismic sources through computer science. 0:01 – Introduction1:27 – What do you study?2:23 – How financially obtainable do you think a career in geoscience is?3:35 – What skills, training, or certifications do you need for your work?4:03 – Do you feel financially stable in your career?5:34 – What are the opportunities for growth within seismology and geophysics?6:32 – What barriers have you faced In your academic and career path?8:14 – When have you felt uncomfortable as a geoscientist?9:27 - What advice would you give to a student interested in pursuing geoscience?10:05 – What roles have mentors have mentors had in your life?
Interviews with seismologists—Dr. Derek Schutt, Colorado State University IRIS Earthquake Science 2021-11-29 | Interviews with seismologists.Derek Schutt was a first-generation college student and is currently an Associate Professor in Seismology at Colorado State University. In Derek’s interview, he discusses his path in academia, current research, advice for students, and more.TIME CODES:0:00 How did you become interested in geoscience?2:30 What does your workweek look like?3:04 What research topic do you find interesting?4:11 What do you think are some barriers within your field of work?5:40 What opportunities are available for people who want to pursue Geophysics?6:40 What advice do you have for students interested in geoscience?University of Illinois Chicago in collaboration with the Incorporated Research Institutions for SeismologyThe PIS wish to thank the NSF for their award, EAGER: EAR-2042011 EArly-concept Grants for Exploratory Research (EAGER)
Megathrusts, subducting crust, volcanic arcs or their absence: insights from Alaska portable-arrays IRIS Earthquake Science 2021-11-11 | Presented by: Dr. Geoff Abers, Cornell UniversityPresented on: November 11, 2021
Women In Geoscience—Dr Aisha Al Suwaidi, professor (United Arab Emirates) IRIS Earthquake Science 2021-10-27 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Women in Geoscience—Olivia Truax, geologist/climate scientist IRIS Earthquake Science 2021-09-27 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Station Monitor—Explore earthquakes near you or from around the globe IRIS Earthquake Science 2021-09-26 | Explore earthquakes near you or from around the globe using the new IRIS Station Monitor app! Select from hundreds of seismic stations throughout the world. View up-to-the-minute recorded ground motions or see recordings from previous days and past events. Get information about recent events and choose to annotate wave arrivals.
Workforce Readiness—Skills needed for a career in the geosciences (AGI Infographic) IRIS Earthquake Science 2021-09-22 | ...
How does Mars Compare to Earth? There are 8 basic differences! (Educational) IRIS Earthquake Science 2021-09-15 | www.iris.edu/earthquake for more animations. This animation looks at a basic physical comparison of the Earth with our closest neighbor, Mars. In 2018, InSight put an IRIS seismograph on Mars. Why would we do that? The purpose is to study that planet's deep interior by monitoring any earthquakes that are generated and using the information to determine a general picture of what lies below the surface. It quickly answered the question, "does Mars have earthquakes?" It does. Is it a layered planet like Earth? How thick are the layers?Animation narrated by Michael Hubenthal, IRIS education specialist Animated by Jenda Johnson, Earth Sciences Animated Funded by the National Science Foundation. Reviewed by William A. Gutsch, Jr., Astronomer, Saint Peters University
Women in Geoscience—Dr. Nadia Malaspina, metamorphic petrologist (Italy) IRIS Earthquake Science 2021-09-10 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Women in Geoscience—Jazmin Scarlett, historical & social volcanologist (UK) IRIS Earthquake Science 2021-09-04 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Women in Geoscience—Laura Mugeha, geospatial engineer (Kenya) IRIS Earthquake Science 2021-09-04 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Cascadia Earthquakes—Episodic Tremor & Slip: Extract of lecture by Nick Zentner, CWU IRIS Earthquake Science 2021-08-23 | ...
Seismology Interviews—Lucia Fernanda Gonzales, Univ. Texas El Paso IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists.Colorado State University in collaboration with the Incorporated Research Institutions for SeismologyThe PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
Seismology Interviews—Dr. Catalina Morales, Chile IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists.Colorado State University in collaboration with the Incorporated Research Institutions for SeismologyThe PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
Seismology Interviews: Dr Richard Alfaro, Los Alamos National Labs IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists.Colorado State University in collaboration with the Incorporated Research Institutions for SeismologyThe PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
Seismology Interviews—Solymar Ayala Cortez, Univ. of Texas, El Paso IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists. Colorado State University in collaboration with the Incorporated Research Institutions for Seismology The PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
Seismology Interviews—Alan Juárez Zúñiga, University of Southern California (USC) IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists. Colorado State University in collaboration with the Incorporated Research Institutions for Seismology The PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
Seismology Interviews—Diego Gonzales, PhD, University of Southern California (USC) IRIS Earthquake Science 2021-08-20 | Interviews with Latino/Latina seismologists. ;=Colorado State University in collaboration with the Incorporated Research Institutions for Seismology The PIs wish to thank the NSF for their award, EAGER: EAR-2041967 EArly-concept Grants for Exploratory Research (EAGER)
M7.2 Haiti Earthquake, August 14, 2021 [Tectonic setting extracted from 2 IRIS animations] IRIS Earthquake Science 2021-08-14 | Animation made to accompany the Recent Earthquake Teachable Moment PowerPoint presentation here: https://www.iris.edu/hq/retm/event/7042This animation is a composite of TWO separate IRIS animations:2010 Haiti Earthquake—10-yrs later: www.iris.edu/hq/inclass/animation/650and Hispaniola Tectonics & Earthquakes: www.iris.edu/hq/inclass/animation/714
Women in Geoscience—Dr Clara Rodriguez (Venezuela) IRIS Earthquake Science 2021-07-29 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.Copyright: Song in dance video by Quimbara.
Tiempos de Alerta en el Noroeste del Pacífico (ShakeAlert, 2021) IRIS Earthquake Science 2021-07-24 | Cuando un terremoto golpea la Zona de subducción de Cascadia, ¿cuánto tiempo de advertencia podríamos esperar? Esta animación describe los tiempos de alerta sísmica para diferentes tipos de terremotos que ocurren en el noroeste del Pacífico.Download mp4 @ EarthScope / SAGE InClass:https://www.iris.edu/hq/inclass/animation/781
Women in Geoscience—Dr. Claudia Inés Serrano Brañas, paleontologist (Mexico) IRIS Earthquake Science 2021-07-24 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.
Women In Geoscience Video Series—Introduction by Dr. Wendy Bohon IRIS Earthquake Science 2021-07-23 | ...
Earthquake Alert Times in the Pacific Northwest (ShakeAlert, 2021) IRIS Earthquake Science 2021-07-15 | What would you do with seconds to prepare for earthquake shaking? With even a few seconds, ShakeAlert© earthquake early warning can save lives and reduce injuries by alerting people that an earthquake may cause shaking near you as it triggers automated actions.Narrated by Dr. Wendy Bohon, IRISWritten by Dr. Gabriel Lotto, University of Washington and Dr. Danielle Sumy, IRISAnimated by Jenda Johnson, Earth Sciences AnimatedTo download a copy of the mp4, see EarthScope / SAGE InClass: https://www.iris.edu/hq/inclass/animation/earthquake_alert_times_in_the_pacific_northwest
3 Basic Fault Types:Normal, Reverse, Strikeslip (educational 2021) IRIS Earthquake Science 2021-06-14 | This clip includes selected excerpts from the more-in-depth animation, "Earthquake Faults, Plate Boundaries, & Stress" https://www.iris.edu/hq/inclass/animation/635Normal fault—the block above the inclined fault moves down relative to the block below the fault. This fault motion is caused by extensional forces and results in extension. [Other names: normal-slip fault, tensional fault or gravity fault] Examples include Basin & Range faults. Reverse fault—the block above the inclined fault moves up relative to the block below the fault. This fault motion is caused by compressional forces and results in shortening. A reverse fault is called a thrust fault if the dip of the fault plane is small. [Other names: reverse-slip fault or compressional fault.] Examples include the Rocky Mountains and the Himalayan Mountains. Strike-slip fault—movement of blocks along a fault is horizontal and the fault plane is nearly vertical. If the block on the far side of the fault moves to the left, as shown in this animation, the fault is called left-lateral (Figure 2). If it moves to the right, the fault is called right-lateral. The fault motion of a strike-slip fault is caused by shearing forces. [Other names: trans current fault, lateral fault, tear fault or wrench fault.] Examples include the San Andreas Fault, California; Anatolian Fault, Turkey.
Earthquake Faults, Plate Boundaries, & Stress (Educational 2021) IRIS Earthquake Science 2021-06-14 | CHAPTERS: click blue time code to go to that segment0:00 Intro0:26 What IS stress?1:03 Type of stress1:50 Elastic deformation3:20 Ductile deformation4:04 Brittle deformation5:52 Extensional stress6:18 Compressional stress6:59 Shear stress8:01 ConclusionThis animation describes stress in Earth's outer layer and how it leads to faults and plate boundaries.Earth’s thin, brittle outer shell of rock is under a constant state of stress. Stress impacts the formation of small local faults, and broader tectonic plate boundaries.How the rock responds, depends on the type of stress and the conditions the rock is being subjected to when it encounters stress. It is this change in Earth’s crust that generates different types of faults and plate boundaries.
Women in Geoscience—Dr. Gayatri Indah Marliyani, geology professor (Indonesia) IRIS Earthquake Science 2021-06-10 | IF/THEN Women in Geoscience Series. Short videos / animations featuring a broad range of women in geoscience from around the world. These inspiring scientists describe their work, their interests, and their desire to inspire young women to pursue STEM and STEAM. (Science, Technology, Engineering, Art, Mathematics)IF/THEN (supported by AAAS, American Association for the Advancement of Science) partners with Incorporated Research Institutions for Seismology (IRIS) and Earth Sciences Animated.Additional photo credits to Dr. Danny Hilman Natawidjaja and Dwi Indriyati.
Edificios en Terremotos—¿Cómo afecta la construcción a la intensidad del temblor? IRIS Earthquake Science 2021-06-07 | www.iris.edu/earthquakeSi te encuentras en un edificio durante un terremoto, la forma en que está construido y tu ubicación en el edificio pueden tener un efecto en el temblor que sientes. Esto significa que puedes experimentar un terremoto de manera diferente a alguien que se encuentra a solo unos edificios de distancia. El tipo de construcción también tiene un gran efecto sobre si un edificio sufre daños en un terremoto.
