Reported by USGS 174 days ago.
Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
USGS reported: 21 km NE of Otobe, Japan
An estimated 2,622 people live within 20 km of this point.
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 31 out of 100, at 85 % 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) | 31 / 100 |
| Our confidence | 85% |
| Coordinates | 42.1141, 140.3109 |
| Nearest City | Yakumo (15 km) |
| Population Exposed | 2.6K within 20 km |
| Impact Tier | minor |
| Timestamp | 2026-03-09T15:45:43.393Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us7000s36m |
Score Breakdown
Technical Details
| Mag | 5.9 |
| Depth | 140.62 |
| Tsunami | false |
| Felt | 0 |
| Mmi | 4.15 |
| Alert | green |
| Sig | 536 |
| Emsc Mag | 5.9 |
| Emsc Depth | -150 |
| Emsc MagType | mw |
| Emsc Region | HOKKAIDO, JAPAN REGION |
| Emsc Auth | GSRAS |
| Emsc SourceId | 1957571 |
| MergedSources | [{"id":"emsc_20260309_0000326","source":"emsc","severity":"medium","severityValue":47.2,"timestamp":1773071143900}] |
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 31/100, near Yakumo (Japan), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.