M 4.7 in Chile on 20 Sep 2015 06:55 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: 4.7M
Depth: 28.08 Km
Lat/Lon: -30.5535 , -71.7773
Event Date: 20 Sep 2015 06:55 UTC
20 Sep 2015 03:55 Local
Exposed Population:
517271 people within 100km
Source: NEIC
Inserted at: 20 Sep 2015 07:18 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
Scaled population (vector) n.a  
  C1 earthquake n.a  
  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
1098357 0 20 Sep 2015 06:55 4.7M, 28.08km N/A 520 thousand (in 100km) 00:22 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 520000 people
75 km 140000 people
50 km 32000 people
20 km 2500 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Coquimbo Chile 520000 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
Santa Rosa de Tabali 239 39 km
Ovalle OVL unknown 58 km

Ports

Name LOCODE Country Distance
Guayacan CLGYC Chile 77 km
Coquimbo CLCQQ Chile 78 km

Dams

Reservoir Dam Name River Year Distance
Recoleta Recoleta Hurtado 1934 66 km

More information

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