Overall Green Earthquake alert in Indonesia on 17 Apr 2005 21:23 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 Indonesia on 17 Apr 2005 21:23 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:	21 Km
Lat/Lon:	-1.61 , 99.56
Event Date:	17 Apr 2005 21:23 UTC 18 Apr 2005 04:23 Local
Exposed Population:	About 42773 people within 100km
Source:	NEIC
Inserted at:	18 Apr 2005 00:20 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
	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
11110		0	17 Apr 2005 21:23	5.7M, 21km	N/A	40 thousand (in 100km)		02:56	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 Sumatera Barat (population 4,301,938) . The nearest places are Muarasiberut, Kotarai, Sabatti, Sigoisooinan, Sabulau, Sakubo, Siberimanua, Taigebgem, Muarasaibi, Totoinong, and Maileppet.

Radius	Population
100 km	43000 people
75 km	22000 people
50 km	5700 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Sumatera Barat	Indonesia	4.3 million people
Sumatera Utara	Indonesia	9.3 million people
Jambi	Indonesia	2.2 million people
Bengkulu	Indonesia	1.3 million people
Riau	Indonesia	3.5 million people
Sumatera Selatan	Indonesia	6.6 million people
Aceh	Indonesia	4.3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Muarasiberut	Sumatera Barat	Indonesia	Village	-	41 km
Kotarai	Sumatera Barat	Indonesia	Village	-	41 km
Sabatti	Sumatera Barat	Indonesia	Village	-	45 km
Sigoisooinan	Sumatera Barat	Indonesia	Village	-	51 km
Sabulau	Sumatera Barat	Indonesia	Village	-	53 km
Sakubo	Sumatera Barat	Indonesia	Village	-	58 km
Siberimanua	Sumatera Barat	Indonesia	Village	-	60 km
Taigebgem	Sumatera Barat	Indonesia	Village	-	61 km
Muarasaibi	Sumatera Barat	Indonesia	Village	-	62 km
Totoinong	Sumatera Barat	Indonesia	Village	-	64 km
Patdarai	Sumatera Barat	Indonesia	Village	-	67 km
Maileppet	Sumatera Barat	Indonesia	Village	-	70 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
Sipora Rokot	RKO	unknown				0	54 km

Ports

Name	LOCODE	Country	Distance
Sabagalet		Indonesia	85 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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