Reported by GFZ 175 days ago.
It is the only one we have recorded within 20 km of this point since 10 March 2026.
What the source measured
GFZ reported: Near East Coast of Honshu, Japan
GFZ recorded magnitude 4.9 at a depth of 64 km.
The seismic region given by the source is Near East Coast of Honshu, Japan.
How we know
Confirmed by 3 independent sources, including GFZ.
Our own score for this event is 16 out of 100, at 73 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Earthquake |
| Severity | low |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 73% |
| Coordinates | 37.3910, 141.0850 |
| Timestamp | 2026-03-10T05:28:04.430Z |
| Source | https://geofon.gfz-potsdam.de/eqinfo/event.php?id=gfz2026euta |
Score Breakdown
Technical Details
| Mag | 4.94 |
| Depth | 63.9 |
| MagType | mb |
| Region | Near East Coast of Honshu, Japan |
| Iris Mag | 4.6 |
| Iris Depth | 69.63 |
| Iris MagType | mb |
| Iris Region | EASTERN HONSHU, JAPAN |
| Isc Mag | 4.94 |
| Isc Depth | 63.9 |
| Isc MagType | mb |
| Isc Region | Near east coast of eastern Honshu |
| MergedSources | [{"id":"iris_12080575","source":"iris","severity":"low","severityValue":27.599999999999998,"timestamp":1773120485000,"latitude":37.4489,"longitude":140.9955},{"id":"isc_645507033","source":"isc","severity":"low","severityValue":29.64,"timestamp":1773120484430,"latitude":37.391,"longitude":141.085}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 16/100, in Near East Coast of Honshu, Japan (Japan), based on data from gfz. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.