Overall Green Earthquake alert in Wallis and Futuna on 11 May 2021 09:21 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 5.7 in Wallis and Futuna on 11 May 2021 09:21 UTC

Hazard models

EQ parameters

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:	5.7M
Depth:	10 Km
Lat/Lon:	-16.4688 , -177.4491
Event Date:	11 May 2021 09:21 UTC 10 May 2021 21:21 Local
Exposed Population:	No people within 100km
Source:	NEIC us7000e20u
Inserted at:	11 May 2021 14:51 UTC
INFORM Coping capacity of the alert score	1.1 (Wallis & Futuna)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000e20u	Scaled population (raster)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1374595		0	11 May 2021 09:21	5.3M, 10km	N/A	No people affected (in 100km)		00:25	NEIC
1374642		0	11 May 2021 09:21	5.7M, 10km	3.29	N/A (in MMI>=VII)		05:30	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 Wallis and Futuna , of Wallis & Futuna (population 14,000) .

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

Affected Provinces

Region Province	Country	Population
Wallis & Futuna	Wallis and Futuna	14000 people
Fiji	Fiji	760000 people
Tonga	Tonga	98000 people

Critical infrastructure

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

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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