Reported by EMSC yesterday.
Another comparable one was recorded here earlier the same day.
What the source measured
EMSC reported: NEAR EAST COAST OF HONSHU, JAPAN
Nearby, since 17 July 2026
- July 17, 2026 · score 3 · 1.4 km
- August 29, 2026 · score 14 · 16.2 km
How we know
One source: EMSC. Not yet confirmed by a second, independent source.
Our own score for this event is 17 out of 100, at 65 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | medium |
| Calamity Score (ours) | 17 / 100 |
| Our confidence | 65% |
| Coordinates | 35.6940, 141.1133 |
| Nearest City | Choshi (26 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-29T15:17:03.640Z |
| Source | https://www.seismicportal.eu/eventdetail.html?unid=20260829_0000179 |
Score Breakdown
Technical Details
| Mag | 5.1 |
| Depth | -16 |
| MagType | mb |
| Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Auth | EMSC |
| SourceId | 2052891 |
Safety Information
If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a earthquake event with CalamityScore 17/100, near Choshi (Japan), based on data from emsc. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.