M5.7 earthquake 132 km ENE of Miyako, Japan
A magnitude 5.7 earthquake struck 132 km ENE of Miyako, Japan on Sun, Aug 25, 1968, 6:13 PM JST (09:13 UTC), 22 km (13 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
- 5.7 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1968-08-25 09:13:48 UTC
- Depth
- 21.5 km (13.4 mi), shallow
- Epicenter
- 40.056° N, 143.393° 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
- ±0.56
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.7 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.587 km E of Noda, Japan · 21217 days ago · 32 km deep · 47 km away
- 5.6156 km E of Miyako, Japan · 21203 days ago · 21 km deep · 46 km away
- 6.1142 km SSE of Honchō, Japan · 21200 days ago · 27 km deep · 91 km away
- 5.5169 km SSE of Honchō, Japan · 21195 days ago · 26 km deep · 78 km away
- 6.0170 km E of Noda, Japan · 21193 days ago · 26 km deep · 47 km away
- 6.1167 km E of Noda, Japan · 21192 days ago · 23 km deep · 45 km away
- 6.0200 km E of Noda, Japan · 21165 days ago · 15 km deep · 74 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem818322. Read Thu, Oct 1, 2026, 6:41 PM UTC.