- Depth
- 18.7 km
- Source
- USGS
Washington · Lewis County
Country overviewWashington · Lewis County
Country overviewOn September 29, 2026 at 19:27 UTC, a magnitude M0.9 earthquake occurred near Lewis County, Washington (United States). With a focal depth of about 19 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.
The event was recorded by USGS. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.
Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.
Depth classes per USGS
Washington
05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 89 Catalogue entries
Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.
Open seismic profile