M2.1 earthquake 5 km NNW of Arpelar, Oklahoma
A magnitude 2.1 earthquake struck 5 km NNW of Arpelar, Oklahoma on Thu, Aug 10, 2017, 10:12 PM CDT (03:12 UTC), 1 km (1 mi) below the surface.
A larger quake followed: M2.4 3 km WNW of Kiowa, Oklahoma. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (mb_lg), micro
- Local time
- UTC
- 2017-08-11 03:12:08 UTC
- Depth
- 1.4 km (0.9 mi), shallow
- Epicenter
- 34.991° N, 95.988° W
- Region
- Oklahoma
- Felt reports
- 3
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.1 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 59°
- Stations used
- 49
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.43 km WNW of Kiowa, Oklahoma · 3323 days ago · 6 km deep · 29 km away
- 2.5Oklahoma · 3323 days ago · 7 km deep · 31 km away · felt by 7
- 2.59 km NE of Ashland, Oklahoma · 3311 days ago · 2 km deep · 17 km away
- 3.68 km ESE of Sparks, Oklahoma · 3299 days ago · 5 km deep · 93 km away · felt by 34
- 2.59 km SE of Sparks, Oklahoma · 3299 days ago · 6 km deep · 93 km away
- 3.0Oklahoma · 3290 days ago · 5 km deep · 93 km away · felt by 5
Before
Earthquakes todayOklahoma earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a76n. Read Wed, Sep 23, 2026, 8:29 AM UTC.