Earthquake · Reviewed by USGS

M2.6 earthquake 37 km SE of Riverton, Wyoming

A magnitude 2.6 earthquake struck 37 km SE of Riverton, Wyoming at May 27, 2025, 17:57 UTC, at a depth of 5 km. The epicentre was 140 km (87 mi) W of Casper.

Details

Magnitude	2.6 ml
Time	May 27, 2025, 17:57 UTC
Depth	5.0 km
Coordinates	42.810, -108.034
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
3.8	29 km E of Atlantic City, Wyoming	41 km / 26 mi	depth 10 km	Dec 13, 00:38 UTC
2.5	29 km ENE of Atlantic City, Wyoming	38 km / 24 mi	depth 10 km	Dec 11, 02:33 UTC
2.9	25 km SW of Fort Washakie, Wyoming	88 km / 54 mi	depth 6 km	Sep 28, 10:08 UTC
2.9	37 km NNE of Jeffrey City, Wyoming	28 km / 18 mi	depth 9 km	Sep 11, 05:59 UTC
2.5	28 km WNW of Alcova, Wyoming	85 km / 53 mi	depth 7 km	Jul 21, 11:47 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.