Overall Green Earthquake alert in Indonesia on 16 Apr 2021 20:55 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 5.4 in Indonesia on 16 Apr 2021 20:55 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:	5.4M
Depth:	11.71 Km
Lat/Lon:	3.5728 , 126.8239
Event Date:	16 Apr 2021 20:55 UTC 17 Apr 2021 04:55 Local
Exposed Population:	180000 people within 100km
Source:	NEIC us6000e280
Inserted at:	20 Apr 2021 15:51 UTC
INFORM Coping capacity of the alert score:	4.8 (Indonesia)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us6000e280	Scaled population (vector)	0
	C1 shakemap	-1.73
	C2 shakemap	0.79
	Country Vulnerability	0
	INFORM_normalised	0.96

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1370458		0	16 Apr 2021 20:55	5.4M, 18.9km	4.33	N/A (in MMI>=VII)		00:21	NEIC
1371152		0	16 Apr 2021 20:55	5.4M, 11.71km	4.45	N/A (in MMI>=VII)		3d 18:55	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 ,of Sulawesi Utara (population 28,848) . The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1370458	3.584/126.829	5.4	18.9	4.333	16 Apr 2021 21:18	00:23	(new episode)
2	1370458	3.584/126.829	5.4	18.9	4.333	16 Apr 2021 22:58	02:02	(upd of #1)
3	1370458	3.584/126.829	5.4	18.9	4.333	17 Apr 2021 20:57	1d 00:02	(upd of #2)
4	1371152	3.573/126.824	5.4	11.7	4.453	20 Apr 2021 15:53	3d 18:58	(new episode)

Affected Provinces

Intensity	Region Province	Country	Population
	Sulawesi Utara	Indonesia	29000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Damau	Sulawesi Utara	Indonesia	Village	-	20 km
Damar	Sulawesi Utara	Indonesia	Village	-	24 km
Mangarang	Sulawesi Utara	Indonesia	Village	-	29 km
Salebabu	Sulawesi Utara	Indonesia	Village	-	37 km
Urung	Sulawesi Utara	Indonesia	Village	-	42 km

see full list

Critical infrastructure

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

Ports

Intensity	Name	LOCODE	Country	Distance
	Lirung		Indonesia	43 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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