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Weak mag. 2.3 earthquake - 7 Km NW of Medford, Oklahoma, on Friday, May 20, 2022 at 4:40 am (GMT -5) -

Weak mag. 2.3 earthquake - 7 Km NW of Medford, Oklahoma, on Friday, May 20, 2022 at 4:40 am (GMT -5) Weak mag. 2.3 earthquake - 7 Km NW of Medford, Oklahoma, on Friday, May 20, 2022 at 4:40 am (GMT -5)

Weak magnitude 2.3 earthquake at 8 km depth

20 May 09:43 UTC: First to report: USGS after 2 minutes.
20 May 09:47: Magnitude recalculated from 2.3 to 2.5. Hypocenter depth recalculated from 2.4 to 1.8 km (from 1.5 to 1.1 mi).
20 May 12:56: Magnitude recalculated from 2.5 to 2.3. Hypocenter depth recalculated from 1.8 to 7.7 km (from 1.1 to 4.8 mi). Epicenter location corrected by 0.6 km (0.3 mi) towards WSW.

Earthquake details

Date & timeMay 20, 2022 09:40:56 UTC -
Local time at epicenterFriday, May 20, 2022 at 4:40 am (GMT -5)
Depth7.7 km
Epicenter latitude / longitude36.85417°N / 97.7865°W (Oklahoma, United States)
Antipode36.854°S / 82.214°E
Shaking intensityVery weak shaking
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities7 km (4 mi) NW of Medford (pop: 987) | Show on map | Quakes nearby
25 km (16 mi) SW of Caldwell (Kansas) (pop: 1,030) | Show on map | Quakes nearby
40 km (25 mi) SE of Anthony (Kansas) (pop: 2,230) | Show on map | Quakes nearby
45 km (28 mi) W of Blackwell (pop: 6,880) | Show on map | Quakes nearby
47 km (29 mi) WNW of Tonkawa (pop: 3,130) | Show on map | Quakes nearby
52 km (32 mi) N of Enid (pop: 51,800) | Show on map | Quakes nearby
59 km (36 mi) SW of Wellington (Sumner County, Kansas) (pop: 7,990) | Show on map | Quakes nearby
65 km (40 mi) WNW of Ponca City (Kay County) (pop: 24,800) | Show on map | Quakes nearby
Weather at epicenter at time of quakeScattered Clouds 24.9°C (77 F), humidity: 32%, wind: 11 m/s (22 kts) from SSW
Estimated seismic energy released1.8 x 108 joules (49.4 kilowatt hours) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
2.37.7 km7 Km NW of Medford, OklahomaUSGS
2.37.7 kmOklahomaRaspberryShake

User reports for this quake

At magnitude 2.3, such a quake wouldn't normally be felt by people except under very favorable conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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