M5.6 earthquake 156 km E of Miyako, Japan
A magnitude 5.6 earthquake struck 156 km E of Miyako, Japan on Thu, Sep 12, 1968, 10:36 PM JST (13:36 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M6.1 167 km E of Noda, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1968-09-12 13:36:30 UTC
- Depth
- 21.3 km (13.2 mi), shallow
- Epicenter
- 39.745° N, 143.756° 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 2.6 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 6.0170 km E of Noda, Japan · 21192 days ago · 26 km deep · 66 km away
- 6.1167 km E of Noda, Japan · 21192 days ago · 23 km deep · 67 km away
- 6.0200 km E of Noda, Japan · 21165 days ago · 15 km deep · 80 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem816969. Read Thu, Oct 1, 2026, 4:25 PM UTC.