Overall Green Earthquake alert in Indonesia on 31 Dec 2021 02:31 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 31 Dec 2021 02:31 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:	10 Km
Lat/Lon:	-7.1998 , 128.8566
Event Date:	31 Dec 2021 02:31 UTC 31 Dec 2021 11:31 Local
Exposed Population:	2 thousand in 100km
Source:	NEIC us7000g856
Inserted at:	31 Dec 2021 22:11 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
us7000g856	Scaled population (vector)	3.3
	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
1418995		0	31 Dec 2021 02:31	4.5M, 10km	N/A	2 thousand (in 100km)		19:39	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 Maluku (population 1,991,398) . The nearest places are Kenli, Kehli, Wulur, Bebar, Batumerah, and Layeni.

Radius	Population
100 km	1800 people
75 km	<1000 people
50 km	<1000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Maluku	Indonesia	2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Kenli	Maluku	Indonesia	Village	-	22 km
Kehli	Maluku	Indonesia	Village	-	24 km
Wulur	Maluku	Indonesia	Village	-	25 km
Bebar	Maluku	Indonesia	Village	-	26 km
Batumerah	Maluku	Indonesia	Village	-	32 km
Layeni	Maluku	Indonesia	Village	-	40 km

see full list

Critical infrastructure

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

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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