Earthquakes in Pierce County, Washington
Elevated QuakeIndex 93 / 100
2 quakes of M1.5 or larger in the last 7 days within 50 km. Normal for here is 0 to 2 in a week.
Compared against Pierce 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 47.051, -122.153 — 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 3.4 | 6 km SSE of Lea Hill, Washington | |
| M 3.2 | 7 km ESE of Maplewood, Washington | |
| M 3.2 | 2 km S of Ravensdale, Washington | |
| M 3.1 | 6 km SSE of Black Diamond, Washington | |
| M 3.0 | 17 km SSE of Carbonado, Washington | |
| M 3.0 | 0 km N of Lakeland South, Washington | |
| M 3.0 | 3 km ENE of Mirrormont, Washington | |
| M 2.9 | 12 km NW of Morton, 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