18 Oct 2025, 17:19 UTC · Oct 18, 1:19 PM ET

M4.6 earthquake 158 km SE of Koshima, Japan

A magnitude 4.6 earthquake struck 158 km SE of Koshima, Japan at Oct 18, 1:19 PM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.6 mb
Time	18 Oct 2025, 17:19 UTC
Location	29.326°, 131.804° – 158 km SE of Koshima, Japan
Depth	10.0 km
Felt reports	0
USGS event	us6000ri1w

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.9	97 km SE of Koshima, Japan	Aug 22, 10:56 AM 55 d ago	10 km	–
4.8	139 km SSE of Koshima, Japan	Nov 28, 5:40 PM 322 d ago	10 km	–
4.6	161 km SSE of Koshima, Japan	Jun 30, 8:39 AM 108 d ago	10 km	–
4.6	118 km ESE of Koshima, Japan	Apr 6, 9:14 AM 193 d ago	10 km	–
4.2	74 km ESE of Koseda, Japan	May 9, 12:07 AM 161 d ago	10 km	–

FAQ

About this earthquake

How strong was the 158 km SE of Koshima, Japan earthquake?

Magnitude 4.6 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 10 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

Earthquakes

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.