Uploaded April 2026 | Updated September 2026, 2 weeks ago
On April 23, 2026, from 9:00 am to 12:00 pm, the cities of Sumner, Puyallup, and Orting will participate in a regional lahar evacuation exercise. This important drill helps schools, emergency responders, and community partners prepare for a potential volcanic mudflow event from Mount Rainier.
For more information, please visit: laharexercise.com
Video description: The video features footage from previous lahar evacuation drills in Sumner and surrounding communities, including students and staff evacuating schools, emergency personnel coordinating operations, and outdoor scenes of participants moving along evacuation routes. On-screen graphics and narration explain the purpose of the April 23, 2026 lahar evacuation exercise, why lahar preparedness is important for communities near Mount Rainier, and what residents can expect during the drill.
On April 23, 2026, from 9:00 am to 12:00 pm, the cities of Sumner, Puyallup, and Orting will participate in a regional lahar evacuation exercise. This important drill helps schools, emergency responders, and community partners prepare for a potential volcanic mudflow event from Mount Rainier.
For more information, please visit: laharexercise.com
Video description: The video features footage from previous lahar evacuation drills in Sumner and surrounding communities, including students and staff evacuating schools, emergency personnel coordinating operations, and outdoor scenes of participants moving along evacuation routes. On-screen graphics and narration explain the purpose of the April 23, 2026 lahar evacuation exercise, why lahar preparedness is important for communities near Mount Rainier, and what residents can expect during the drill.










