Overall Green Earthquake alert in Indonesia on 18 Oct 2015 14:49 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 4.6 in Indonesia on 18 Oct 2015 14:49 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:	4.6M
Depth:	35.06 Km
Lat/Lon:	1.4038 , 97.1193
Event Date:	18 Oct 2015 14:49 UTC 18 Oct 2015 21:49 Local
Exposed Population:	604718 people within 100km
Source:	NEIC
Inserted at:	18 Oct 2015 17:21 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
1102576		0	18 Oct 2015 14:49	4.6M, 35.06km	N/A	600 thousand (in 100km)		02:31	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 Utara (population 9,319,344) . The nearest places are Faighunago, Lahewa, Afulu, Dima, Detna, Sifahandro, Ombolata, Ladara, Foelolo, Ombalata, and Ehosaghodji.

Radius	Population
100 km	630000 people
75 km	300000 people
50 km	140000 people
20 km	22000 people
10 km	10000 people
5 km	2000 people
2 km	no people

Affected Provinces

Region Province	Country	Population
Sumatera Utara	Indonesia	9.3 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Faighunago	Sumatera Utara	Indonesia	Village	-	5 km
Lahewa	Sumatera Utara	Indonesia	Village	-	7 km
Afulu	Sumatera Utara	Indonesia	Village	-	17 km
Dima	Sumatera Utara	Indonesia	Village	-	26 km
Detna	Sumatera Utara	Indonesia	Village	-	28 km
Sifahandro	Sumatera Utara	Indonesia	Village	-	31 km
Ombolata	Sumatera Utara	Indonesia	Village	-	37 km
Ladara	Sumatera Utara	Indonesia	Village	-	41 km
Foelolo	Sumatera Utara	Indonesia	Village	-	44 km
Ombalata	Sumatera Utara	Indonesia	Village	-	53 km
Gunungsitoli	Sumatera Utara	Indonesia	Village	-	57 km
Sirombu	Sumatera Utara	Indonesia	Village	-	58 km
Hinako	Sumatera Utara	Indonesia	Village	-	65 km
Ehosaghodji	Sumatera Utara	Indonesia	Village	-	68 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
Gunungsitoli	GNS	unknown				0	58 km
Binaka		6				0	71 km

Ports

Name	LOCODE	Country	Distance
Gunungsitoli		Indonesia	56 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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