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: 34.29 Km
Lat/Lon: -31.7465 , -71.6294
Event Date: 21 Sep 2015 17:40 UTC
21 Sep 2015 14:40 Local
Exposed Population: 180000 people within 100km
Source: NEIC
Inserted at: 21 Sep 2015 19:33 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0.5 0 0.5
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

IDAlertScoreDateMag, DepthMMI*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) . The nearest places are Valpara�so, and Chigualoco.

Radius Population
100 km 190000 people
75 km 100000 people
50 km 59000 people
20 km 2100 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Coquimbo Chile 520000 people

Affected populated places

Name Region Province Country City class Population Distance
Chigualoco Coquimbo Chile Village - 13 km
Valpara�so Valparaiso Chile Major city 270000 people 142 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
Auco 431 53 km

Ports

Name LOCODE Country Distance
Los Vilos CLLOS Chile 22 km
Papudo Chile 85 km

Dams

Reservoir Dam Name River Year Distance
Cogoti Cogoti Huatulame 1939 96 km

More information

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