Right now
The most recent data we hold from JMA arrived 5 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by JMA yesterday.
It is the only one we have recorded within 20 km of this point since 10 September 2026.
What the source measured
JMA reported: 20260911002412
An estimated 310,071 people live within 15 km of this point.
How we know
One source: JMA. Not yet confirmed by a second, independent source.
Our own score for this event is 21 out of 100, at 82 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 21 / 100 |
| Our confidence | 82% |
| Coordinates | 39.7000, 141.1500 |
| Nearest City | Morioka (0 km) |
| Population Exposed | 310.1K within 15 km |
| Impact Tier | minor |
| Timestamp | 2026-09-10T15:21:00.000Z |
| Source | https://www.jma.go.jp/bosai/quake/20260911002412_20260911002136_VXSE5k_1.json |
Score Breakdown
Technical Details
| Mag | 3.7 |
| MaxIntensity | 2 |
| AreaName | 岩手県沿岸北部 |
| ContentType | 20260911002412 |
| Serial | 1 |
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 8 March 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.
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