Reported by GFZ 174 days ago.
What the source measured
GFZ reported: Hokkaido, Japan Region
An estimated 1,184 people live within 20 km of this point.
Nearby, since 9 March 2026
- March 9, 2026 · score 31 · 4.2 km
How we know
One source: GFZ. Not yet confirmed by a second, independent source.
Our own score for this event is 24 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) | 24 / 100 |
| Our confidence | 85% |
| Coordinates | 42.0830, 140.2810 |
| Nearest City | Yakumo (19 km) |
| Population Exposed | 1.2K within 20 km |
| Impact Tier | minor |
| Timestamp | 2026-03-09T14:45:43.970Z |
| Source | https://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026etpx |
Score Breakdown
Technical Details
| Mag | 5.86 |
| Depth | 141.4 |
| MagType | Mw |
| Region | Hokkaido, Japan Region |
| Ingv Mag | 5.9 |
| Ingv Depth | 139.8 |
| Ingv MagType | Mwp |
| Ingv Author | SURVEY-INGV-A |
| Ingv Region | Japan [Land] |
| Iris Mag | 5.9 |
| Iris Depth | 140.62 |
| Iris MagType | Mww |
| Iris Region | HOKKAIDO, JAPAN REGION |
| Isc Mag | 5.9 |
| Isc Depth | 143 |
| Isc MagType | Mw |
| Isc Region | Hokkaido region |
| MergedSources | [{"id":"ingv_45011461","source":"ingv","severity":"medium","severityValue":47.2,"timestamp":1773067544607},{"id":"iris_12080200","source":"iris","severity":"medium","severityValue":47.2,"timestamp":1773067543000},{"id":"isc_645506698","source":"isc","severity":"medium","severityValue":47.2,"timestamp":1773067544000}] |
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 24/100, near Yakumo (Japan), based on data from gfz. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.