M5.5 earthquake 87 km E of Noda, Japan
A magnitude 5.5 earthquake struck 87 km E of Noda, Japan on Fri, Aug 30, 1968, 11:44 AM JST (02:44 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M5.6 156 km E of Miyako, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1968-08-30 02:44:53 UTC
- Depth
- 31.5 km (19.6 mi), shallow
- Epicenter
- 40.077° N, 142.843° 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.6156 km E of Miyako, Japan · 21194 days ago · 21 km deep · 86 km away
- 6.1142 km SSE of Honchō, Japan · 21191 days ago · 27 km deep · 95 km away
- 6.0170 km E of Noda, Japan · 21183 days ago · 26 km deep · 86 km away
- 6.1167 km E of Noda, Japan · 21182 days ago · 23 km deep · 84 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem818454. Read Tue, Sep 22, 2026, 9:45 AM UTC.