21 Dec 2025, 06:58 UTC · Dec 21, 1:58 AM ET

M5.1 earthquake 140 km SE of Hasaki, Japan

A magnitude 5.1 earthquake struck 140 km SE of Hasaki, Japan at Dec 21, 1:58 AM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

under 33–44–55–66+

Magnitude	5.1 mb
Time	21 Dec 2025, 06:58 UTC
Location	34.770°, 141.835° – 140 km SE of Hasaki, Japan
Depth	10.0 km
Felt reports	0
USGS event	us6000rwaw

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.7	76 km SE of Shinmachi, Japan	Nov 4, 5:17 PM 346 d ago	35 km	1 report
4.5	128 km SE of Katsuura, Japan	Jul 16, 12:04 PM 92 d ago	10 km	–
4.4	58 km SE of Hasaki, Japan	Feb 26, 6:55 AM 232 d ago	41 km	–
4.3	209 km ESE of Hasaki, Japan	Jun 4, 11:49 PM 134 d ago	10 km	–
4.3	215 km ESE of Shinmachi, Japan	Apr 25, 1:19 AM 175 d ago	10 km	–
4.3	177 km SE of Hasaki, Japan	Apr 15, 4:40 PM 184 d ago	10 km	–

FAQ

About this earthquake

How strong was the 140 km SE of Hasaki, Japan earthquake?

Magnitude 5.1 (mb), moderate – felt widely, some damage to weak buildings. 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.