Earthquakes in Central Mid-atlantic Ridge
Right now
The most recent data we hold from ISC arrived 13 hours ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest 2 km from here.
Reported by ISC yesterday.
It is the 4th strongest of the 5 detections recorded within 20 km of this point since 4 September 2026.
What the source measured
ISC reported: Central Mid-Atlantic Ridge
ISC recorded magnitude 5.0 at a depth of 11 km.
The seismic region given by the source is Central Mid-Atlantic Ridge.
Nearby, since 4 September 2026
- September 4, 2026 · score 17 · 1.9 km
- September 4, 2026 · score 17 · 3.0 km
- September 4, 2026 · score 9 · 7.6 km
How we know
One source: ISC. Not yet confirmed by a second, independent source.
Our own score for this event is 9 out of 100, at 57 % 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 | Medium |
| Calamity Score (ours) | 9 / 100 |
| Our confidence | 57% |
| Coordinates | 9.4150, -40.9000 |
| Nearest City | Apicum-Açu (1302 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-04T21:38:40.800Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646383836&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5.02 |
| Depth | 11 |
| MagType | Mw |
| Region | Central Mid-Atlantic Ridge |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 9/100, in Central Mid-atlantic Ridge, based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.