Earthquakes in Fox Islands
Reported by ISC yesterday.
It is the 10th strongest of the 152 detections recorded within 20 km of this point since 23 May 2026. Another comparable one was recorded here earlier the same day.
What the source measured
ISC reported: Fox Islands
ISC recorded magnitude 5.3 at a depth of 9 km.
The seismic region given by the source is Fox Islands.
Nearby, since 23 May 2026
- September 3, 2026 · score 18 · 0.0 km
- September 3, 2026 · score 18 · 0.0 km
- September 3, 2026 · score 11 · 1.7 km
How we know
Confirmed by 2 independent sources, including ISC.
Our own score for this event is 18 out of 100, at 62 % 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) | 18 / 100 |
| Our confidence | 62% |
| Coordinates | 52.1240, -169.2230 |
| Nearest City | Anchorage (1544 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T16:45:42.000Z |
| Source | http://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646359558&out_format=IMS1.0&request=COMPREHENSIVE |
Score Breakdown
Technical Details
| Mag | 5.3 |
| Depth | 9 |
| MagType | M |
| Region | Fox Islands |
| Scedc Mag | 5.3 |
| Scedc Depth | 10 |
| Scedc MagType | w |
| Scedc Region | ###.# km ( ###.# mi) WNW (az= 303.1) from Port Orford, OR |
| MergedSources | [{"id":"scedc_10252334","source":"scedc","severity":"medium","severityValue":42.4,"timestamp":1788453939228,"latitude":52.0304,"longitude":-169.2217}] |
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 18/100, in Fox Islands, based on data from isc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.