Oklahoma earthquakes

M4.0 earthquake 8 km WNW of Prague, Oklahoma

A magnitude 4.0 earthquake struck 8 km WNW of Prague, Oklahoma on Sat, Nov 5, 2011, 11:03 PM CDT (04:03 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.8 9 km SSE of Sparks, Oklahoma. This one was a foreshock.

Prague forecastMore in Oklahoma

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
4.0 (ml), light
Local time
UTC
2011-11-06 04:03:42 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
35.521° N, 96.771° W
Region
Oklahoma
Strongest shaking
V, moderate shaking
PAGER alert
Green
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

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

Strongest estimated
V, moderate shaking
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Estimated impact

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

Alert level
Green: little or no damage or loss of life expected

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Station coverage gap
69°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 77 in the 60 days after this one and 18 in the 30 days before it.

After

The first 60 of 77.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000jadq. Read Tue, Sep 22, 2026, 3:32 PM UTC.