Earthquake · Reviewed by USGS

M4.1 earthquake southwestern Ryukyu Islands, Japan

A magnitude 4.1 earthquake struck southwestern Ryukyu Islands, Japan at Jul 19, 2023, 20:26 UTC, at a depth of 10 km. The epicentre was 188 km (117 mi) SE of Ishigaki.

Details

Magnitude	4.1 mb
Time	Jul 19, 2023, 20:26 UTC
Depth	10.0 km
Coordinates	23.040, 125.337
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
4.8	165 km SSE of Miyakojima, Japan	96 km / 59 mi	depth 10 km	Oct 11, 12:13 UTC
4.3	92 km SSE of Tarama, Japan	100 km / 62 mi	depth 10 km	Aug 24, 23:26 UTC
4.3	126 km SSE of Miyakojima, Japan	83 km / 52 mi	depth 10 km	Jul 12, 04:11 UTC
4.3	149 km S of Miyakojima, Japan	52 km / 32 mi	depth 10 km	Jul 8, 13:58 UTC
4.2	163 km SE of Ishigaki, Japan	25 km / 15 mi	depth 10 km	Feb 10, 03:58 UTC
4.3	146 km S of Miyakojima, Japan	48 km / 30 mi	depth 10 km	Oct 30, 20:36 UTC
4.2	134 km SSE of Ishigaki, Japan	82 km / 51 mi	depth 10 km	Apr 12, 17:42 UTC
4.2	168 km SSE of Miyakojima, Japan	50 km / 31 mi	depth 10 km	May 31, 18:33 UTC
4.6	124 km SE of Ishigaki, Japan	65 km / 40 mi	depth 10 km	Apr 2, 00:03 UTC
4.3	126 km S of Miyakojima, Japan	69 km / 43 mi	depth 21 km	Mar 2, 04:12 UTC
4.8	147 km SSE of Ishigaki, Japan	89 km / 56 mi	depth 10 km	Sep 5, 07:22 UTC

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