M4.5 earthquake 114 km E of Yamada, Japan
A magnitude 4.5 earthquake struck 114 km E of Yamada, Japan on Thu, Aug 12, 1982, 9:35 PM JST (12:35 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 117 km E of Yamada, 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), light
- Local time
- UTC
- 1982-08-12 12:35:16 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 39.387° N, 143.278° 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 1.5 and up: 10 in the 60 days after this one and 8 in the 30 days before it.
After
- 4.9117 km E of Yamada, Japan · 16111 days ago · 29 km deep · 4 km away
- 4.7124 km E of Yamada, Japan · 16111 days ago · 30 km deep · 12 km away
- 4.9129 km E of Yamada, Japan · 16111 days ago · 29 km deep · 17 km away
- 5.2138 km E of Yamada, Japan · 16106 days ago · 30 km deep · 27 km away
- 4.8121 km E of Yamada, Japan · 16106 days ago · 41 km deep · 19 km away
- 4.7119 km E of Yamada, Japan · 16105 days ago · 49 km deep · 15 km away
- 4.6121 km E of Yamada, Japan · 16104 days ago · 51 km deep · 19 km away
- 4.9122 km E of Yamada, Japan · 16104 days ago · 41 km deep · 16 km away
- 4.8158 km ENE of Miyako, Japan · 16055 days ago · 33 km deep · 84 km away
- 5.4165 km ENE of Miyako, Japan · 16053 days ago · 28 km deep · 97 km away
Before
- 5.3114 km E of Yamada, Japan · 16112 days ago · 33 km deep · 2 km away
- 5.1116 km E of Yamada, Japan · 16112 days ago · 33 km deep · 2 km away
- 4.3129 km E of Yamada, Japan · 16112 days ago · 33 km deep · 16 km away
- 4.097 km ESE of ?funato, Japan · 16113 days ago · 33 km deep · 87 km away
- 5.1113 km E of Yamada, Japan · 16113 days ago · 35 km deep · 5 km away
- 4.8111 km E of Yamada, Japan · 16114 days ago · 33 km deep · 4 km away
- 4.7113 km E of Yamada, Japan · 16115 days ago · 33 km deep · 7 km away
- 4.3142 km E of Yamada, Japan · 16142 days ago · 36 km deep · 29 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001p09. Read Tue, Sep 22, 2026, 8:24 PM UTC.