Overall Green Earthquake alert in Indonesia on 20 Aug 2018 13:25 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 4.5 in Indonesia on 20 Aug 2018 13:25 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:	4.5M
Depth:	11.5 Km
Lat/Lon:	-8.4468 , 116.8477
Event Date:	20 Aug 2018 13:25 UTC 20 Aug 2018 21:25 Local
Exposed Population:	3760000 people within 100km
Source:	NEIC us1000gdwn
Inserted at:	20 Aug 2018 14:05 UTC
INFORM Coping capacity of the alert score	4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us1000gdwn	Scaled population (vector)	6.65
	C1 earthquake	1.54
	C2 earthquake	-0.64
	Country Vulnerability	0.09
	INFORM_normalised	0.96

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1225085		0	20 Aug 2018 13:25	4.5M, 11.5km	N/A	3.8 million (in 100km)		00:39	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 Nusa Tenggara Barat (population 3,624,042) . The nearest places are Laboean Mapin, Sembelie, Alas, Soengian, Tapir Beru, Lombok, Pernang, Pringgabaja, Lepeloang, Taliwang, and Tatar.

Radius	Population
100 km	3.8 million people
75 km	2.3 million people
50 km	1.1 million people
20 km	170000 people
10 km	<1000 people
5 km	<1000 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Nusa Tenggara Barat	Indonesia	3.6 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Laboean Mapin	Nusa Tenggara Barat	Indonesia	Village	-	12 km
Sembelie	Nusa Tenggara Barat	Indonesia	Village	-	19 km
Alas	Nusa Tenggara Barat	Indonesia	Village	-	20 km
Soengian	Nusa Tenggara Barat	Indonesia	Village	-	20 km
Tapir Beru	Nusa Tenggara Barat	Indonesia	Village	-	21 km
Lombok	Nusa Tenggara Barat	Indonesia	Village	-	21 km
Pernang	Nusa Tenggara Barat	Indonesia	Village	-	23 km
Pringgabaja	Nusa Tenggara Barat	Indonesia	Village	-	27 km
Lepeloang	Nusa Tenggara Barat	Indonesia	Village	-	27 km
Taliwang	Nusa Tenggara Barat	Indonesia	Village	-	30 km
Sembaloenboemboeng	Nusa Tenggara Barat	Indonesia	Village	-	33 km
Utan	Nusa Tenggara Barat	Indonesia	Village	-	33 km
Tallwang	Nusa Tenggara Barat	Indonesia	Village	-	34 km
Sambaloen Lawang	Nusa Tenggara Barat	Indonesia	Village	-	35 km
Soerelage	Nusa Tenggara Barat	Indonesia	Village	-	38 km
Balli	Nusa Tenggara Barat	Indonesia	Village	-	41 km
Kadok	Nusa Tenggara Barat	Indonesia	Village	-	41 km
Masabagik	Nusa Tenggara Barat	Indonesia	Village	-	42 km
Bayan	Nusa Tenggara Barat	Indonesia	Village	-	44 km
Pato Pedoe	Nusa Tenggara Barat	Indonesia	Village	-	44 km
Moesoek	Nusa Tenggara Barat	Indonesia	Village	-	44 km
Matajang	Nusa Tenggara Barat	Indonesia	Village	-	46 km
Djareweh	Nusa Tenggara Barat	Indonesia	Village	-	46 km
Poenik	Nusa Tenggara Barat	Indonesia	Village	-	47 km
Sakra	Nusa Tenggara Barat	Indonesia	Village	-	49 km
Sangjang	Nusa Tenggara Barat	Indonesia	Village	-	49 km
Desa Anjar	Nusa Tenggara Barat	Indonesia	Village	-	51 km
Sunut	Nusa Tenggara Barat	Indonesia	Village	-	57 km
Kopang	Nusa Tenggara Barat	Indonesia	Village	-	58 km
Djamoe	Nusa Tenggara Barat	Indonesia	Village	-	59 km
Genti	Nusa Tenggara Barat	Indonesia	Village	-	61 km
Salangan	Nusa Tenggara Barat	Indonesia	Village	-	64 km
Nangkalanong Beroe	Nusa Tenggara Barat	Indonesia	Village	-	64 km
Sumbawa Besar	Nusa Tenggara Barat	Indonesia	Village	-	64 km
Sedjorong	Nusa Tenggara Barat	Indonesia	Village	-	65 km
Lenanggoear	Nusa Tenggara Barat	Indonesia	Village	-	69 km
Praja	Nusa Tenggara Barat	Indonesia	Village	33000 people	69 km
Tatar	Nusa Tenggara Barat	Indonesia	Village	-	69 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
Sumbawa Besar		5	Civ.	Paved	No	4700	62 km
Lunyuk	LYK	unknown				0	70 km
Selaparang	AMI	16	Civ.	Paved	Yes	6800	84 km

Ports

Name	LOCODE	Country	Distance
Taliwang		Indonesia	40 km
Labuhanhaji		Indonesia	42 km
Sumbawa	IDSWQ	Indonesia	63 km
Ampenan	IDAMP	Indonesia	86 km
Labuantring Bay		Indonesia	92 km

More information

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

Disclaimer
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