Earthquakes in Snohomish County, Washington
Elevated QuakeIndex 87 / 100
3 quakes of M1.5 or larger in the last 7 days within 50 km. Normal for here is 0 to 1 in a week.
Compared against Snohomish County, Washington's own 10 years · USGS catalogue · updated
The last 30 days
Live · last 7 days
Latest earthquakes within 50 km
None within 50 km in the latest snapshot we hold; the full 7 days load from USGS as this page opens.
Source USGS · snapshot of
Where this is
Map loads when it scrolls into view
Centre 48.055, -121.765 — the Census internal point, from the US Census Bureau Gazetteer (2024). Activity is measured within 50 km of it.
Largest on record nearby
| Magnitude | When | Where |
|---|---|---|
| M 4.6 | 2 km S of Roosevelt, Washington | |
| M 3.5 | 3 km SSW of Roosevelt, Washington | |
| M 3.4 | 4 km ENE of Lake Roesiger, Washington | |
| M 3.4 | 6 km ENE of Oso, Washington | |
| M 3.4 | 2 km SSE of Stanwood, Washington | |
| M 3.4 | 13 km E of Lake Marcel-Stillwater, Washington | |
| M 3.2 | 3 km NNW of Lake Marcel-Stillwater, Washington | |
| M 3.0 | 4 km ESE of Cathcart, Washington |
From the QuakeIndex catalogue, built from the USGS FDSN event service · within 50 km of the centre above.
After an earthquake here
- Report what you felt to USGS — reports go to USGS, not to us, and they are what produces the intensity maps
- What to do during and after an earthquake
- QuakeIndex does not issue warnings. For early warning, ShakeAlert reaches phones through Wireless Emergency Alerts and the MyShake app