M4.6 earthquake 153 km W of Naze, Japan
A magnitude 4.6 earthquake struck 153 km W of Naze, Japan on Thu, Feb 18, 1982, 8:33 PM JST (11:33 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 126 km WNW of Naze, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1982-02-18 11:33:12 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 28.314° N, 127.918° 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.9126 km WNW of Naze, Japan · 16287 days ago · 44 km deep · 69 km away
- 4.4158 km W of Naze, Japan · 16287 days ago · 33 km deep · 7 km away
- 4.9105 km WNW of Naze, Japan · 16287 days ago · 33 km deep · 85 km away
- 4.7117 km WNW of Naze, Japan · 16286 days ago · 33 km deep · 52 km away
- 4.8120 km WNW of Naze, Japan · 16285 days ago · 43 km deep · 69 km away
- 4.793 km WNW of Naze, Japan · 16285 days ago · 40 km deep · 76 km away
- 4.8125 km W of Naze, Japan · 16285 days ago · 33 km deep · 40 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001jpn. Read Tue, Sep 22, 2026, 11:32 PM UTC.