Earthquake · Reviewed by USGS

M4.8 earthquake 127 km SE of Miyakojima, Japan

A magnitude 4.8 earthquake struck 127 km SE of Miyakojima, Japan at Sep 20, 2025, 04:46 UTC, at a depth of 10 km. The epicentre was 128 km (79 mi) SE of Miyakojima.

Details

Magnitude	4.8 mb
Time	Sep 20, 2025, 04:46 UTC
Depth	10.0 km
Coordinates	24.069, 126.293
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	65 km / 41 mi	depth 10 km	Oct 11, 12:13 UTC
4.7	197 km SE of Miyakojima, Japan	70 km / 44 mi	depth 10 km	Aug 21, 18:05 UTC
4.7	75 km S of Miyakojima, Japan	93 km / 58 mi	depth 10 km	Aug 17, 04:54 UTC
4.4	139 km SE of Miyakojima, Japan	33 km / 20 mi	depth 10 km	Aug 15, 14:01 UTC
4.3	123 km SE of Miyakojima, Japan	38 km / 24 mi	depth 10 km	Jul 18, 22:39 UTC
4.3	126 km SSE of Miyakojima, Japan	72 km / 45 mi	depth 10 km	Jul 12, 04:11 UTC
4.2	159 km SSE of Miyakojima, Japan	56 km / 35 mi	depth 10 km	May 4, 14:15 UTC
4.4	164 km ESE of Miyakojima, Japan	43 km / 26 mi	depth 10 km	Apr 26, 19:53 UTC
4.3	175 km SE of Miyakojima, Japan	54 km / 33 mi	depth 18 km	Apr 6, 16:46 UTC
4.0	62 km ESE of Miyakojima, Japan	74 km / 46 mi	depth 54 km	Apr 3, 09:53 UTC
4.5	46 km SE of Miyakojima, Japan	83 km / 52 mi	depth 39 km	Jan 26, 10:49 UTC

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