M 5.1 Earthquake
107 km SE of Atka, Alaska
Geographic Context
This earthquake event occurred at coordinates 51.44°, -173.23°.
Event Assessment
This event is a moderate earthquake measuring 5.1 on the magnitude scale, with a focal depth of 5 km. Events of this magnitude are typically felt over a wide area and may cause damage to vulnerable structures. Calamity.live has classified it as "medium" severity with a severity value of 41.2. The computed Calamity Score is 17 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), intensity (22). Data for this event was sourced from usgs, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
This earthquake event is being tracked through Calamity.live's global monitoring network, which aggregates data from 250 scientific sources. Real-time monitoring and multi-source verification help ensure data accuracy and timely reporting of significant natural hazard events worldwide.
Event Data
| Type | Earthquake |
| Severity | medium |
| Severity Value | 41.2 |
| Calamity Score | 17 / 100 |
| Confidence | 66% |
| Coordinates | 51.4440, -173.2300 |
| Nearest City | Anadyr (1571 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-23T09:30:16.307Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/aka2026olrlxi |
Score Breakdown
Technical Details
| Mag | 5.1 |
| Depth | 5 |
| Tsunami | false |
| Mmi | 3.3 |
| Sig | 400 |
| Emsc Mag | 5.2 |
| Emsc Depth | -34 |
| Emsc MagType | mb |
| Emsc Region | ANDREANOF ISLANDS, ALEUTIAN IS. |
| Emsc Auth | EMSC |
| Emsc SourceId | 2030945 |
| MergedSources | [{"id":"emsc_20260723_0000139","source":"emsc","severity":"medium","severityValue":41.6,"timestamp":1784799019000,"latitude":51.5915,"longitude":-173.258}] |
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.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a earthquake event with CalamityScore 17/100, near Anadyr, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.