Overall Green Earthquake in Micronesia on 30 Jul 2026 17:55 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.9 in Micronesia on 30 Jul 2026 17:55 UTC

Hazard models

Rapid Impact

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	5.9M
Depth:	34.5 Km
Lat/Lon:	11.5807 , 138.9989
Event Date:	30 Jul 2026 17:55 UTC 31 Jul 2026 02:55 Local
Exposed Population:	1 thousand in MMI>=III
Source:	NEIC us6000th1h
Inserted at:	30 Jul 2026 18:12 UTC
INFORM Coping capacity of the alert score:	1.1 (Micronesia)

GDACS Score

For more info on GDACS score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000th1h	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0
	Score no CC	0

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Level	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1721919		0	30 Jul 2026 17:55	5.9M, 34.5km	3.98	N/A (in MMI>=VII)		00:16	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Date shake (UTC)	Delay (hh:mm)
1	1721919	138.999/11.581	5.9	34.5	30 Jul 2026 18:18	00:22	(new episode)
2	1721919	138.999/11.581	5.9	34.5	30 Jul 2026 20:00	02:04	(upd of #1)
3	1721919	138.999/11.581	5.9	34.5	01 Aug 2026 02:03	1d 08:07	(upd of #2)

Affected Provinces

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity	Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
	Ulithi	ULI	2				0	194 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer - Copyright
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.