M3.3 earthquake 4 km SSW of Alva, Oklahoma

A magnitude 3.3 earthquake struck 4 km SSW of Alva, Oklahoma on Sun, May 10, 2015, 4:15 PM CDT (21:15 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.9 19 km W of Cleo Springs, Oklahoma. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

6 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event us20002e94. Read Wed, Sep 23, 2026, 3:51 AM UTC.