Overall Green Earthquake alert in Chile on 21 Sep 2015 17:40 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 6.6 in Chile on 21 Sep 2015 17:40 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:	6.6M
Depth:	34 Km
Lat/Lon:	-31.74 , -71.49
Event Date:	21 Sep 2015 17:40 UTC 21 Sep 2015 14:40 Local
Exposed Population:	205275 people within 100km
Source:	GEOFON gfz2015snwh
Inserted at:	21 Sep 2015 17:46 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		Tsunami		GDACS score
GEOFON	0.5		1		0.5
gfz2015snwh	Scaled population (vector)	n.a	Max wave scenario	0m
	C1 earthquake	n.a	Max wave realtime	0m
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1098578	0.5	21 Sep 2015 17:40	6.6M, 34km	N/A	210 thousand (in 100km)	0m (at 00:00)	00:06	GEOFON
1098580	0.5	21 Sep 2015 17:39	6.5M, 33km	N/A	180 thousand (in 100km)	0m (at 00:36)	00:08	NTWC
1098586	0.5	21 Sep 2015 17:39	6.5M, 24.7km	6.22	190 thousand (in 100km)	0.1m (at 00:22)	00:20	NEIC
1098608	0.5	21 Sep 2015 17:40	6.6M, 34.29km	6.22	190 thousand (in 100km)	0m (at 00:00)	01:53	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 Chile , Region of Coquimbo (population 520,420) .

Radius	Population
100 km	210000 people
75 km	110000 people
50 km	86000 people
20 km	14000 people
10 km	1500 people
5 km	1000 people
2 km	<1000 people

Affected Provinces

Country	Region Province	Population
Chile	Coquimbo	520000 people
Chile	Valparaiso	1.4 million people
Argentina	San Juan	550000 people

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
Auco		431					41 km

Ports

Name	LOCODE	Country	Distance
Los Vilos	CLLOS	Chile	18 km
Papudo		Chile	83 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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