Overall Green Earthquake alert in Micronesia on 22 Apr 2024 12:22 UTC

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

M 5.5 in Micronesia on 22 Apr 2024 12:22 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:	5.5M
Depth:	10 Km
Lat/Lon:	11.024 , 138.6943
Event Date:	22 Apr 2024 12:22 UTC 22 Apr 2024 21:22 Local
Exposed Population:
Source:	NEIC us7000mduf
Inserted at:	22 Apr 2024 12:40 UTC
INFORM Coping capacity of the alert score:	1.1 (Micronesia)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000mduf	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	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	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1566482		0	22 Apr 2024 12:22	5.5M, 10km	3.1	N/A (in MMI>=VII)		00:17	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	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1566482	138.694/11.024	5.5	10	3.242	22 Apr 2024 12:44	00:22	(new episode)
2	1566482	138.694/11.024	5.5	10	3.159	22 Apr 2024 14:26	02:04	(upd of #1)
3	1566482	138.694/11.024	5.5	10	3.159	23 Apr 2024 12:40	1d 00:17	(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	164 km

More information

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

Disclaimer
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