Earthquake · Japan
M6.0 earthquake near Honchō, Japan
A magnitude 6.0 earthquake struck 32 km SSW of Honchō, Japan on 23 August 2026 at 13:44 UTC, at a depth of 41 km.
- Magnitude
- 6.0 mww
- When
- 23 August 2026, 13:44 UTC
- Depth
- 41 km
- Location
- 41.85° N, 142.80° E
- Strongest shaking (estimated)
- Intensity VI (strong)
- Felt reports
- 12 people told USGS they felt it
- USGS PAGER alert
- Green
- Source
- USGS event page
What it means
A magnitude 6.0 is a strong earthquake; there are about 130 a year worldwide, and they can cause damage in populated areas near the epicentre. At 41 km deep it was a shallow earthquake, which usually means stronger shaking near the epicentre.
The magnitude may be revised as more data comes in. Read Earthquake magnitude explained for what the numbers mean.
Aftershocks
10 earthquakes of magnitude 4 or more within 150 km in the 30 days after; the largest was a magnitude 4.9.
| Mag | Where | When (UTC) |
|---|---|---|
| 4.9 | 113 km ENE of Kuji, Japan | 6 September 2026, 05:15 |
| 4.7 | 28 km N of Mutsu, Japan | 13 September 2026, 08:31 |
| 4.6 | 34 km SSW of Shizunai-furukawachō, Japan | 27 August 2026, 22:13 |
| 4.6 | 75 km ENE of Mutsu, Japan | 1 September 2026, 19:21 |
| 4.5 | 4 km NNW of Honchō, Japan | 23 August 2026, 16:36 |
| 4.5 | 63 km NE of Kuji, Japan | 27 August 2026, 19:54 |
| 4.5 | 16 km SW of Urakawa, Japan | 30 August 2026, 00:14 |
| 4.3 | 10 km SW of Tomakomai, Japan | 24 August 2026, 22:05 |
| 4.3 | 33 km S of Shizunai-furukawachō, Japan | 1 September 2026, 17:50 |
| 4.1 | 30 km SW of Urakawa, Japan | 13 September 2026, 02:44 |
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