M5.9 earthquake 146 km ESE of Yamada, Japan
A magnitude 5.9 earthquake struck 146 km ESE of Yamada, Japan on Wed, Mar 23, 1960, 7:28 PM JST (10:28 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M6.2 119 km ESE 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
- 5.9 (mw), moderate
- Local time
- UTC
- 1960-03-23 10:28:54 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 39.137° N, 143.598° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 2 in the 60 days after this one and 7 in the 30 days before it.
After
- 5.8143 km ESE of Yamada, Japan · 24289 days ago · 25 km deep · 3 km away
- 6.2119 km ESE of Yamada, Japan · 24289 days ago · 15 km deep · 28 km away
Before
- 5.9111 km E of Miyako, Japan · 24289 days ago · 15 km deep · 77 km away
- 6.4118 km E of Yamada, Japan · 24289 days ago · 15 km deep · 48 km away
- 7.0118 km E of Miyako, Japan · 24289 days ago · 15 km deep · 60 km away
- 6.0127 km E of Miyako, Japan · 24291 days ago · 15 km deep · 56 km away
- 6.1111 km E of Miyako, Japan · 24291 days ago · 15 km deep · 78 km away
- 8.0113 km ENE of Miyako, Japan · 24292 days ago · 15 km deep · 87 km away
- 5.8111 km ENE of Miyako, Japan · 24292 days ago · 34 km deep · 92 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem878622. Read Tue, Sep 22, 2026, 10:58 AM UTC.