Earthquakes 85 km SSW of Nikolski, Alaska
Reported by USGS today.
It is the 7th strongest of the 29 detections recorded within 20 km of this point since 22 May 2026. Another comparable one was recorded here earlier the same day.
What the source measured
USGS reported: 85 km SSW of Nikolski, Alaska
USGS recorded magnitude 4.9 at a depth of 19 km.
This is the highest magnitude we have recorded at this point, over 10 readings since 2 September 2026 — the previous range was 3.6 to 4.9.
Nearby, since 22 May 2026
- September 1, 2026 · score 0 · 4.5 km
- September 1, 2026 · score 8 · 5.6 km
- September 1, 2026 · score 4 · 6.2 km
How we know
One source: USGS. Not yet confirmed by a second, independent source.
Our own score for this event is 8 out of 100, at 60 % 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) | 8 / 100 |
| Our confidence | 60% |
| Coordinates | 52.2180, -169.3160 |
| Nearest City | Anchorage (1541 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-02T05:16:05.872Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/aka2026rjbwrf |
Score Breakdown
Technical Details
| Mag | 4.9 |
| Depth | 18.8 |
| Tsunami | false |
| Mmi | 2.88 |
| Sig | 369 |
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 8/100, 85 km SSW of Nikolski, Alaska, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.