M4.0 earthquake 4 km NW of Hunter, Oklahoma

A magnitude 4.0 earthquake struck 4 km NW of Hunter, Oklahoma on Wed, Aug 5, 2015, 2:48 AM CDT (07:48 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.1 6 km WNW of Medford, Oklahoma. This one was a foreshock.

Map

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

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

11 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of at least 199.

From the USGS Earthquake Hazards Program and its partner networks, event us10002y1u. Read Tue, Sep 29, 2026, 1:51 AM UTC.