Overall Green Earthquake alert in Tonga on 05 May 2024 07:13 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 Tonga on 05 May 2024 07:13 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:	5.7M
Depth:	10 Km
Lat/Lon:	-19.3814 , -175.8793
Event Date:	05 May 2024 07:13 UTC 04 May 2024 19:13 Local
Exposed Population:	Few people affected in MMI -
Source:	NEIC us6000mwfi
Inserted at:	06 May 2024 15:00 UTC
INFORM Coping capacity of the alert score:	1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000mwfi	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
1569174		0	05 May 2024 07:13	5.4M, 10km	3.35	N/A (in MMI>=VII)		00:19	NEIC
1569491		0	05 May 2024 07:13	5.7M, 10km	3.51	N/A (in MMI>=VII)		1d 07:46	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 Tonga ,of Tonga. 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	1569174	-175.874/-19.31	5.4	10	3.597	05 May 2024 07:37	00:23	(new episode)
2	1569174	-175.874/-19.31	5.4	10	3.597	05 May 2024 09:19	02:05	(upd of #1)
3	1569174	-175.874/-19.31	5.4	10	3.597	06 May 2024 07:40	1d 00:27	(upd of #2)
4	1569174	-175.874/-19.31	5.4	10	3.597	06 May 2024 12:40	1d 05:26	(upd of #3)
5	1569491	-175.879/-19.381	5.7	10	3.822	06 May 2024 15:40	1d 08:26	(new episode)

Affected Provinces

Intensity	Region Province	Country	Population
	Tonga	Tonga	no people

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance
	Pangai		Tonga	Village	1700 people	167 km

see full list

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
	Haapai	HPA	12	Civ.	Unpaved	Yes	3900	167 km

Ports

Intensity	Name	LOCODE	Country	Distance
	Pangai	TOPAN	Tonga	166 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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