Oklahoma earthquakes

M3.4 earthquake 12 km WSW of Dacoma, Oklahoma

A magnitude 3.4 earthquake struck 12 km WSW of Dacoma, Oklahoma on Mon, May 18, 2015, 2:14 AM CDT (07:14 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.5 6 km W of Nescatunga, Oklahoma. This one was a foreshock.

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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
3.4 (ml), minor
Local time
UTC
2015-05-18 07:14:32 UTC
Depth
13.7 km (8.5 mi), shallow
Epicenter
36.607° N, 98.692° W
Region
Oklahoma
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

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

Location uncertainty
About 3.1 km horizontally, 3.8 km in depth
Station coverage gap
178°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10002a4s. Read Tue, Sep 22, 2026, 7:57 AM UTC.