M6.0 earthquake 32 km SSW of Honchō, Japan
A magnitude 6.0 earthquake struck 32 km SSW of Honchō, Japan on Sun, Aug 23, 2026, 10:44 PM JST (13:44 UTC), 41 km (25 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mww), strong
- Local time
- UTC
- 2026-08-23 13:44:53 UTC
- Depth
- 41.0 km (25.5 mi), shallow
- Epicenter
- 41.849° N, 142.802° E
- Region
- Japan
- Felt reports
- 12
- Strongest shaking
- VI, strong shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 11.1% of gravity
- Peak ground velocity
- 8.8 cm/s
- Map
- Automatic

Did you feel it?
12 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking. If you felt it, tell the USGS: every report sharpens the shaking map.

Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 90% |
| 1 to 10 | 9% |
| 10 to 100 | Under 1% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 90% |
| 1 to 10 | 9% |
| 10 to 100 | Under 1% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 6.0 Mww
- Nodal plane 1
- Strike 32°, dip 65°, rake 87°
- Nodal plane 2
- Strike 220°, dip 25°, rake 97°
- Landslide alert
- Green
- Liquefaction alert
- Green
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.3 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From modeling of broad-band P waveforms
- Station coverage gap
- 101°
- Stations used
- 136
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 5 since this one and 7 in the 30 days before it.
After
- 4.54 km NNW of Honchō, Japan · 30 days ago · 60 km deep · 36 km away
- 4.634 km SSW of Shizunai-furukawachō, Japan · 26 days ago · 61 km deep · 52 km away
- 4.516 km SW of Urakawa, Japan · 23 days ago · 64 km deep · 26 km away
- 4.333 km S of Shizunai-furukawachō, Japan · 21 days ago · 66 km deep · 44 km away
- 4.675 km ENE of Mutsu, Japan · 21 days ago · 62 km deep · 70 km away
Before
- 4.328 km ENE of Shizunai-furukawachō, Japan · 31 days ago · 97 km deep · 66 km away
- 4.244 km SE of Honchō, Japan · 34 days ago · 48 km deep · 40 km away
- 4.881 km SW of Urakawa, Japan · 42 days ago · 69 km deep · 62 km away
- 4.326 km WSW of Urakawa, Japan · 50 days ago · 72 km deep · 31 km away
- 4.919 km N of Honchō, Japan · 51 days ago · 52 km deep · 51 km away · felt by 2
- 5.563 km E of Mutsu, Japan · 52 days ago · 75 km deep · 90 km away · felt by 7
- 4.2110 km S of Honchō, Japan · 57 days ago · 45 km deep · 82 km away
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tmz6 (also filed as usauto6000tmz6, attk866t). Read Tue, Sep 22, 2026, 11:18 AM UTC.