M 4.6 in Chile on 25 Sep 2017 12:24 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: 4.6M
Depth: 30.35 Km
Lat/Lon: -28.2783 , -71.2751
Event Date: 25 Sep 2017 12:24 UTC
25 Sep 2017 09:24 Local
Exposed Population:
About 72000 people within 100km
Source: NEIC us2000aua8
Inserted at: 25 Sep 2017 12:44 UTC
INFORM Coping capacity of the alert score
3 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us2000aua8 Scaled population (vector) 4.71  
  C1 earthquake 1.44  
  C2 earthquake -1.48  
  Country Vulnerability -0.64  
  INFORM_normalised 0.75  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1181875 0 25 Sep 2017 12:24 4.6M, 30.35km N/A 70 thousand (in 100km) 00:19 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 Atacama (population 238,212) . The nearest places are Barranquilla, Huasco, Huasco Bajo, Challe, Carrizal Bajo, Leoncito, Las Tablas, Freirina, Canto de Agua, Bodeguilla, and El Morado.

Radius Population
100 km 73000 people
75 km 60000 people
50 km 12000 people
20 km <1000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Atacama Chile 240000 people

Affected populated places

Name Region Province Country City class Population Distance
Barranquilla Atacama Chile Village - 20 km
Huasco Atacama Chile Village - 21 km
Huasco Bajo Atacama Chile Village - 23 km
Challe Atacama Chile Village - 24 km
Carrizal Bajo Atacama Chile Village - 25 km
Leoncito Atacama Chile Village - 29 km
Las Tablas Atacama Chile Village - 31 km
Freirina Atacama Chile Village - 32 km
Canto de Agua Atacama Chile Village - 37 km
Bodeguilla Atacama Chile Village - 38 km
Planta Concentradora Astillas Atacama Chile Village - 39 km
Chorrillos Atacama Chile Village - 40 km
Portezuelo Atacama Chile Village - 41 km
Chañar Quemado Atacama Chile Village - 44 km
Pellejos Atacama Chile Village - 44 km
Maitencillo Atacama Chile Village - 44 km
Fragüita Atacama Chile Village - 44 km
Longmilla Atacama Chile Village - 48 km
Agua de Lazo Atacama Chile Village - 49 km
Peñita Atacama Chile Village - 53 km
Totoral Atacama Chile Village - 53 km
Perales Atacama Chile Village - 53 km
El Pollo Atacama Chile Village - 56 km
Perales Atacama Chile Village - 57 km
San Juan Atacama Chile Village - 59 km
El Sauce Atacama Chile Village - 60 km
Vallenar Atacama Chile City 45000 people 60 km
Labrar Atacama Chile Village - 60 km
Milla Quince Atacama Chile Village - 62 km
Espantajos Atacama Chile Village - 62 km
El Zapallo Atacama Chile Village - 63 km
Algarrobal Atacama Chile Village - 64 km
La Tunilla Atacama Chile Village - 65 km
La Arena Atacama Chile Village - 65 km
Sarco Atacama Chile Village - 66 km
El Morado Atacama Chile Village - 67 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
Vallenar VLR 526 Civ. Paved No 4500 63 km

Ports

Name LOCODE Country Distance
Huasco CLHSO Chile 20 km
Carrizal Chile 25 km

More information

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