Reported by USGS 22 days ago.
It is the 9th strongest of the 33 detections recorded within 20 km of this point since 22 May 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
USGS reported: 42 km E of Noda, Japan
Nearby, since 22 May 2026
- June 6, 2026 · score 16 · 6.9 km
- July 1, 2026 · score 24 · 7.0 km
- July 30, 2026 · score 3 · 7.2 km
How we know
Confirmed by 3 independent sources, including USGS.
Our own score for this event is 21 out of 100, at 71 % 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) | 21 / 100 |
| Our confidence | 71% |
| Coordinates | 40.1723, 142.3107 |
| Nearest City | Kuji (46 km) |
| Impact Tier | minor |
| Timestamp | 2026-08-08T17:57:58.745Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000tjaj |
Score Breakdown
Technical Details
| Mag | 5.6 |
| Depth | 34 |
| Tsunami | false |
| Felt | 2 |
| Mmi | 4.07 |
| Alert | green |
| Sig | 483 |
| Emsc Mag | 5.6 |
| Emsc Depth | -46.8 |
| Emsc MagType | mw |
| Emsc Region | NEAR EAST COAST OF HONSHU, JAPAN |
| Emsc Auth | EMSC |
| Emsc SourceId | 2039709 |
| Usgs Shakemap Mag | 5.6 |
| Usgs Shakemap Depth | 34 |
| Usgs Shakemap Mmi | 4.07 |
| Usgs Shakemap MmiDescription | Light |
| Usgs Shakemap Felt | 2 |
| Usgs Shakemap Alert | green |
| Usgs Shakemap Sig | 483 |
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 21/100, 42 km E of Noda, Japan (Japan), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.