M4.5 earthquake 91 km NE of Miyako, Japan
A magnitude 4.5 earthquake struck 91 km NE of Miyako, Japan on Fri, Feb 13, 1981, 9:46 AM JST (00:46 UTC), 53 km (33 mi) below the surface.
A larger quake followed: M5.2 61 km ESE of Hachinohe, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1981-02-13 00:46:43 UTC
- Depth
- 53.3 km (33.1 mi), shallow
- Epicenter
- 40.186° N, 142.747° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.968 km NE of Miyako, Japan · 16659 days ago · 31 km deep · 26 km away
- 5.261 km ESE of Hachinohe, Japan · 16644 days ago · 52 km deep · 52 km away
- 4.795 km ENE of Miyako, Japan · 16635 days ago · 40 km deep · 43 km away
- 4.5112 km E of Miyako, Japan · 16620 days ago · 24 km deep · 56 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c57. Read Sat, Oct 3, 2026, 8:54 AM UTC.