M2.6 earthquake 8 km N of Bradley, Oklahoma

A magnitude 2.6 earthquake struck 8 km N of Bradley, Oklahoma on Fri, May 1, 2020, 8:36 PM CDT (01:36 UTC), 12 km (7 mi) below the surface.

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

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.58	ML, local (Richter)	Oklahoma Geological Survey	Preferred · Confirmed · ±0.18 · 30 stations
2.7	mb_Lg, Lg-wave body	USGS National Earthquake Information Center	Reviewed · ±0.061 · 71 stations

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: 19 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ok2020ipao (also filed as us700098ih). Read Sat, Oct 3, 2026, 1:53 PM UTC.