Earthquakes in Island County, Washington
Typical QuakeIndex 54 / 100
1 quake 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 Island 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 48.159, -122.671 — 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 4.3 | Port Townsend, WA | |
| M 4.0 | 6 km W of Quilcene, Washington | |
| M 3.9 | 14 km SW of Blyn, Washington | |
| M 3.8 | 2 km E of Oak Harbor, Washington | |
| M 3.7 | 7 km WNW of Lofall, Washington | |
| M 3.7 | 2 km NNW of Quilcene, Washington | |
| M 3.7 | 16 km SSE of Victoria, Canada | |
| M 3.6 | 2 km E of Mount Vernon, 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