Overall Green Earthquake alert in Vanuatu on 01 Apr 2023 10:36 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 4.9 in Vanuatu on 01 Apr 2023 10:36 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:	4.9M
Depth:	87.667 Km
Lat/Lon:	-20.3957 , 169.4023
Event Date:	01 Apr 2023 10:36 UTC 01 Apr 2023 21:36 Local
Exposed Population:	30 thousand in MMI&>=III
Source:	NEIC us6000k1c0
Inserted at:	01 Apr 2023 10:56 UTC
INFORM Coping capacity of the alert score	1.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Rapid Impact)		GDACS score
NEIC	0		0
us6000k1c0	Scaled population (vector)	0
	C1 rapid impact	0
	C2 rapid impact	0
	Country Vulnerability	0
	INFORM_normalised	0

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1498402		0	01 Apr 2023 10:36	4.9M, 87.667km	3.64	30 thousand (in 100km)		00:20	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 off shore.

Radius	Population
100 km	17000 people
75 km	<1000 people
50 km	<1000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Affected populated places

Name	Country	City class	Population	Distance
Isino	Vanuatu	Village	-	43 km
Anelghowhat	Vanuatu	Village	-	44 km
Umetch	Vanuatu	Village	-	51 km
Port Patrick	Vanuatu	Village	-	52 km

see full list

Critical infrastructure

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

Ports

Name	LOCODE	Country	Distance
Aneityum Island		Vanuatu	43 km

More information

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

Disclaimer
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.
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