INGV, USGS and EMSC data, with the source next to every number.Sources and limits
0.9

Earthquake M 0.9 in the area of Mammoth Lakes, CA, 21 October 2026, 11:56 UTC

Recorded 6 d ago. Updated 13:55.

Magnitude
md 0.9
Time (UTC)
11:56:12
Depth
0 km
Coordinates
37.647 N 119.024 W
Source
USGS
Last revision
13:55

Map: OpenStreetMap contributors data, OpenMapTiles tiles.

What it means

Summary from the source data

An earthquake of magnitude 0.9 was recorded at a depth of less than 1 km, near Mammoth Lakes, on 21/10 at 11:56 UTC. The data is preliminary and may be updated.

Within 50 km of the epicentre, 13 events were recorded in the last 30 days (maximum magnitude 2.9). In the same area, a stronger quake occurred in the last 30 days (magnitude 2.9). The hypocentre is shallow, at a depth of 0 km.

Quakes of this size are very frequent and are usually not felt by people.

Follow this area in the app

Choose a minimum magnitude and radius and receive only the alerts you need.

Download on the App Store Get it on Google Play