Oklahoma earthquakes

M2.7 earthquake 22 km NE of Fort Supply, Oklahoma

A magnitude 2.7 earthquake struck 22 km NE of Fort Supply, Oklahoma on Sat, Dec 16, 2017, 5:34 PM CST (23:34 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.8 8 km WSW of Waynoka, 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
2.7 (ml), micro
Local time
UTC
2017-12-16 23:34:43 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
36.709° N, 99.392° W
Region
Oklahoma
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.9 km horizontally, 6.1 km in depth
Station coverage gap
195°, poorly surrounded by stations
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: 32 in the 60 days after this one and 26 in the 30 days before it.

After

Before

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000c5bk. Read Tue, Sep 22, 2026, 10:00 AM UTC.