M2.6 earthquake 9 km SSE of Sparks, Oklahoma

A magnitude 2.6 earthquake struck 9 km SSE of Sparks, Oklahoma on Sun, Aug 30, 2015, 9:15 AM CDT (14:15 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 9 km NNW of Arcadia, Oklahoma. This one was a foreshock.

Map

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

1 person reported to the USGS what they felt; the strongest reported shaking was II, 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: 193 in the 60 days after this one and 6 in the 30 days before it.

The first 60 of 193.

From the USGS Earthquake Hazards Program and its partner networks, event us1000365s. Read Tue, Sep 22, 2026, 12:16 PM UTC.