Earthquake · Reviewed by USGS

M4.3 earthquake 30 km S of Simao, China

A magnitude 4.3 earthquake struck 30 km S of Simao, China at Mar 23, 2023, 10:26 UTC, at a depth of 10 km. The epicentre was 22 km (14 mi) N of Mengman.

Details

Magnitude	4.3 mb
Time	Mar 23, 2023, 10:26 UTC
Depth	10.0 km
Coordinates	22.516, 100.929
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
4.5	70 km NE of Simao, China	96 km / 60 mi	depth 10 km	Sep 14, 09:07 UTC
4.5	58 km NE of Simao, China	85 km / 53 mi	depth 10 km	Jul 31, 21:24 UTC
5.2	59 km NE of Simao, China	85 km / 53 mi	depth 10 km	Jul 21, 11:43 UTC
4.6	20 km NNE of Jinghong, China	42 km / 26 mi	depth 10 km	Feb 17, 15:05 UTC
4.1	55 km NE of Jinghong, China	36 km / 22 mi	depth 10 km	Jun 1, 07:48 UTC
4.3	82 km SE of Simao, China	75 km / 47 mi	depth 10 km	Dec 3, 17:33 UTC
4.7	15 km ESE of Simao, China	32 km / 20 mi	depth 13 km	Aug 20, 15:04 UTC
4.5	78 km NW of Phôngsali, Laos	79 km / 49 mi	depth 10 km	Oct 11, 23:02 UTC

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