Overall Green Earthquake in Australia on 04 Apr 2026 18:26 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 5.5 in Australia on 04 Apr 2026 18:26 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:	-25.9274 , 130.8226
Event Date:	04 Apr 2026 18:26 UTC 05 Apr 2026 03:56 Local
Exposed Population:	2 thousand in MMI V
Source:	NEIC us6000smm5
Inserted at:	04 Apr 2026 18:42 UTC
INFORM Coping capacity of the alert score:	2 (Australia)

GDACS Score

For more info on GDACS score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000smm5	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
1697775		0	04 Apr 2026 18:26	5.5M, 10km	5.54	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 Australia ,of Northern Territory (population 161,294) . The alertlevel for this event is GREEN

Intensity	Population
	1900 people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1697775	130.823/-25.927	5.5	10	7.453	04 Apr 2026 18:47	00:21	(new episode)
2	1697775	130.823/-25.927	5.5	10	7.453	04 Apr 2026 20:47	02:21	(upd of #1)
3	1697775	130.823/-25.927	5.5	10	7.453	06 Apr 2026 14:01	1d 19:34	(upd of #2)

Affected Provinces

Region Province	Country	Population
Northern Territory	Australia	no people
South Australia	Australia	no people
Northern Territory	Australia	no people
South Australia	Australia	no people
Northern Territory	Australia	1200 people
South Australia	Australia	<1000 people
Northern Territory	Australia	no people
South Australia	Australia	no people
Western Australia	Australia	no people

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance
	Musgrave Park	South Australia	Australia	Village	-	40 km
	Mulga Park	Northern Territory	Australia	Village	-	84 km

see full list

Critical infrastructure

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

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Amata	AMT	unknown				0	42 km
Mulga Park	MUP	unknown				0	78 km
Connellan / Ayers Rock	AYQ	496	Civ.	Paved	Yes	8500	84 km

More information

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

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