M2.5 earthquake 6 km WSW of Aline, Oklahoma

A magnitude 2.5 earthquake struck 6 km WSW of Aline, Oklahoma on Tue, Aug 18, 2015, 11:37 PM CDT (04:37 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.8 6 km E of Nescatunga, Oklahoma. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

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 us100033e1. Read Tue, Sep 22, 2026, 6:54 PM UTC.