Earthquakes in Alpine County, California
Typical QuakeIndex 47 / 100
1 quake 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 Alpine County, California's own 10 years · USGS catalogue · updated
The last 30 days
Live · last 7 days
Latest earthquakes within 50 km
1 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 38.622, -119.798 — 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 6.0 | Antelope Valley, CA | |
| M 5.0 | 32km SE of Markleeville, CA | |
| M 4.6 | 29km ENE of Dardanelle, CA | |
| M 4.5 | 30km SE of Markleeville, CA | |
| M 4.5 | 8km NNE of Walker, CA | |
| M 4.4 | 32km ENE of Dardanelle, CA | |
| M 4.4 | 25km SSW of Smith Valley, NV | |
| M 4.3 | 28km SE of Markleeville, CA |
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
- Check the roads — Nevada Explorer, for Reno, Tahoe and the Sierra passes
- QuakeIndex does not issue warnings. For early warning, ShakeAlert reaches phones through Wireless Emergency Alerts and the MyShake app