M 5.9 Earthquake
247 km NNE of Colonia, Micronesia
Geographic Context
This earthquake event occurred at coordinates 11.58°, 139.00°.
Event Assessment
This event is a moderate earthquake measuring 5.9 on the magnitude scale, with a focal depth of 35 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 47.2. The computed Calamity Score is 23 out of 100, suggesting contained impact at this time. The primary scoring components are: historical (80), intensity (38). 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 | 47.2 |
| Calamity Score | 23 / 100 |
| Confidence | 67% |
| Coordinates | 11.5807, 138.9989 |
| Nearest City | Tamuning-Tumon-Harmon Village (662 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-30T17:55:59.690Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us6000th1h |
Score Breakdown
Technical Details
| Mag | 5.9 |
| Depth | 34.505 |
| Tsunami | false |
| Mmi | 0 |
| Alert | green |
| Sig | 536 |
| Emsc Mag | 5.9 |
| Emsc Depth | -34.5 |
| Emsc MagType | mw |
| Emsc Region | STATE OF YAP, MICRONESIA |
| Emsc Auth | NEIC |
| Emsc SourceId | 2035029 |
| MergedSources | [{"id":"emsc_20260730_0000305","source":"emsc","severity":"medium","severityValue":47.2,"timestamp":1785434159690,"latitude":11.5807,"longitude":138.9989}] |
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 23/100, near Tamuning-Tumon-Harmon Village, based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.