Overall Green Earthquake alert in Indonesia on 04 Apr 2012 16:20 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 4.8 in Indonesia on 04 Apr 2012 16:20 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:	4.8M
Depth:	Km
Lat/Lon:	-3.1307 , 139.778
Event Date:	04 Apr 2012 16:20 UTC 05 Apr 2012 01:20 Local
Exposed Population:	130000 people within 100km
Source:	NEIC us2012yzbi
Inserted at:	04 Apr 2012 18:51 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
us2012yzbi	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
115896		0.5	04 Apr 2012 16:20	4.8M, 124.8km	N/A	130 thousand (in 100km)		02:30	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 Indonesia , Province of Irian Jaya (population 1,752,571) . The nearest places are Abo, Lereh, Natabri, Sengbo, Pohua, Goeai, Krau, Odjar, Boendroe, Bebo, and Nimbotong.

Radius	Population
100 km	150000 people
75 km	61000 people
50 km	28000 people
20 km	1800 people
10 km	<1000 people
5 km	<1000 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Irian Jaya	Indonesia	1.8 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Abo	Papua	Indonesia	Village	-	13 km
Lereh	Papua	Indonesia	Village	-	18 km
Natabri	Papua	Indonesia	Village	-	22 km
Sengbo	Papua	Indonesia	Village	-	23 km
Pohua	Papua	Indonesia	Village	-	30 km
Goeai	Papua	Indonesia	Village	-	42 km
Krau	Papua	Indonesia	Village	-	43 km
Odjar	Papua	Indonesia	Village	-	48 km
Boendroe	Papua	Indonesia	Village	-	48 km
Bebo	Papua	Indonesia	Village	-	53 km
Djaram	Papua	Indonesia	Village	-	53 km
Unurum	Papua	Indonesia	Village	-	55 km
Merem	Papua	Indonesia	Village	-	56 km
Ber	Papua	Indonesia	Village	-	56 km
Bale	Papua	Indonesia	Village	-	60 km
Arsoo	Papua	Indonesia	Village	-	62 km
Gengen	Papua	Indonesia	Village	-	62 km
Jasiarubin	Papua	Indonesia	Village	-	67 km
Nimbotong	Papua	Indonesia	Village	-	67 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
Lereh	LHI	unknown				0	13 km
Batom	BXM	unknown				0	97 km

Ports

Name	LOCODE	Country	Distance
Demta		Indonesia	97 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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