M4.5 earthquake 4 km NNW of Honchō, Japan
A magnitude 4.5 earthquake struck 4 km NNW of Honchō, Japan on Mon, Aug 24, 2026, 1:36 AM JST (16:36 UTC), 60 km (38 mi) below the surface.
A larger quake followed: M4.6 34 km SSW of Shizunai-furukawachō, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2026-08-23 16:36:15 UTC
- Depth
- 60.4 km (37.5 mi), shallow
- Epicenter
- 42.164° N, 142.897° 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. If you felt it, tell the USGS: every report sharpens the shaking map.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.3 km horizontally, 6.6 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- From location
- Station coverage gap
- 72°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 since this one and 6 in the 30 days before it.
After
- 4.634 km SSW of Shizunai-furukawachō, Japan · 25 days ago · 61 km deep · 57 km away
- 4.516 km SW of Urakawa, Japan · 23 days ago · 64 km deep · 25 km away
- 4.333 km S of Shizunai-furukawachō, Japan · 21 days ago · 66 km deep · 49 km away
- 4.675 km ENE of Mutsu, Japan · 21 days ago · 62 km deep · 96 km away
Before
- 6.032 km SSW of Honchō, Japan · 30 days ago · 41 km deep · 36 km away · felt by 12
- 4.328 km ENE of Shizunai-furukawachō, Japan · 31 days ago · 97 km deep · 35 km away
- 4.244 km SE of Honchō, Japan · 34 days ago · 48 km deep · 49 km away
- 4.881 km SW of Urakawa, Japan · 41 days ago · 69 km deep · 89 km away
- 4.326 km WSW of Urakawa, Japan · 50 days ago · 72 km deep · 36 km away
- 4.919 km N of Honchō, Japan · 51 days ago · 52 km deep · 16 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tmzm. Read Tue, Sep 22, 2026, 8:57 AM UTC.