Oklahoma earthquakes

M3.5 earthquake 5 km N of Ames, Oklahoma

A magnitude 3.5 earthquake struck 5 km N of Ames, Oklahoma on Fri, Mar 5, 2021, 2:26 AM CST (08:26 UTC), 8 km (5 mi) below the surface.

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Map

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

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The earthquake

Magnitude
3.5 (ml), minor
Local time
UTC
2021-03-05 08:26:35 UTC
Depth
7.8 km (4.9 mi), shallow
Epicenter
36.296° N, 98.179° W
Region
Oklahoma
Felt reports
14
Strongest shaking
IV, light shaking
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
IV, light shaking
Peak ground acceleration
10.9% of gravity
Peak ground velocity
0.5 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

14 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.26
Station coverage gap
26°
Stations used
101

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 88 in the 60 days after this one and 111 in the 30 days before it.

After

The first 60 of 88.

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ok2021eltk (also filed as us7000dfwk). Read Wed, Sep 23, 2026, 12:50 AM UTC.