M6.1 earthquake 140 km ENE of Noda, Japan
A magnitude 6.1 earthquake struck 140 km ENE of Noda, Japan on Wed, Jul 24, 1968, 8:02 AM JST (23:02 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M6.1 142 km SSE of Honchō, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1968-07-23 23:02:39 UTC
- Depth
- 26.1 km (16.2 mi), shallow
- Epicenter
- 40.376° N, 143.437° 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: 7 in the 60 days after this one and 8 in the 30 days before it.
After
- 5.6184 km E of Noda, Japan · 21238 days ago · 16 km deep · 44 km away
- 6.0130 km E of Noda, Japan · 21213 days ago · 25 km deep · 31 km away
- 5.7132 km ENE of Miyako, Japan · 21213 days ago · 22 km deep · 36 km away
- 5.587 km E of Noda, Japan · 21208 days ago · 32 km deep · 60 km away
- 5.6156 km E of Miyako, Japan · 21194 days ago · 21 km deep · 75 km away
- 6.1142 km SSE of Honchō, Japan · 21192 days ago · 27 km deep · 57 km away
- 5.5169 km SSE of Honchō, Japan · 21186 days ago · 26 km deep · 44 km away
Before
- 5.7145 km ENE of Miyako, Japan · 21245 days ago · 21 km deep · 52 km away
- 5.6164 km E of Noda, Japan · 21250 days ago · 24 km deep · 25 km away
- 6.0113 km E of Miyako, Japan · 21257 days ago · 20 km deep · 86 km away
- 6.0109 km E of Yamada, Japan · 21257 days ago · 22 km deep · 94 km away
- 5.9134 km E of Noda, Japan · 21258 days ago · 19 km deep · 13 km away
- 5.5178 km ENE of Noda, Japan · 21260 days ago · 15 km deep · 41 km away
- 5.5150 km E of Miyako, Japan · 21266 days ago · 10 km deep · 73 km away
- 5.8139 km E of Miyako, Japan · 21273 days ago · 24 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem819294. Read Tue, Sep 22, 2026, 10:25 PM UTC.