M4.7 earthquake 10 km SSW of Hasaki, Japan
A magnitude 4.7 earthquake struck 10 km SSW of Hasaki, Japan on Mon, Jan 18, 1982, 8:03 AM JST (23:03 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M5.6 8 km WNW of Hitachi-Naka, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1982-01-17 23:03:59 UTC
- Depth
- 57.5 km (35.7 mi), shallow
- Epicenter
- 35.648° N, 140.797° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (I JMA) at Choshi.
From the USGS event page for usp0001j31. U.S. Geological Survey text and figures are in the public domain.
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 1.7 and up: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.5near the east coast of Honshu, Japan · 16325 days ago · 51 km deep · 18 km away
- 4.123 km ESE of Hasaki, Japan · 16298 days ago · 33 km deep · 25 km away
- 4.565 km ESE of ?hara, Japan · 16290 days ago · 51 km deep · 74 km away
- 4.14 km SSW of Matsudo, Japan · 16288 days ago · 107 km deep · 83 km away
- 4.575 km E of Hasaki, Japan · 16286 days ago · 33 km deep · 80 km away
- 5.68 km WNW of Hitachi-Naka, Japan · 16280 days ago · 68 km deep · 93 km away
- 4.452 km ESE of Hitachi, Japan · 16280 days ago · 33 km deep · 90 km away
- 4.85 km WSW of Chiba, Japan · 16269 days ago · 74 km deep · 67 km away
Before
- 4.60 km ENE of Hasaki, Japan · 16328 days ago · 56 km deep · 11 km away
- 4.87 km ENE of Narut?, Japan · 16328 days ago · 65 km deep · 28 km away
- 4.711 km N of Hasaki, Japan · 16333 days ago · 57 km deep · 21 km away
- 4.323 km S of Katsuura, Japan · 16338 days ago · 73 km deep · 92 km away
- 4.831 km E of ?arai, Japan · 16344 days ago · 62 km deep · 80 km away
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001j31. Read Fri, Oct 2, 2026, 6:07 AM UTC.