M 4.5 in Chile on 31 Oct 2016 21:04 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: 4.5M
Depth: 9.63 Km
Lat/Lon: -29.8574 , -72.0697
Event Date: 31 Oct 2016 21:04 UTC
31 Oct 2016 16:04 Local
Exposed Population:
419925 people within 100km
Source: NEIC us100073b4
Inserted at: 31 Oct 2016 21:48 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us100073b4 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
1145076 0 31 Oct 2016 21:04 4.5M, 9.63km N/A 420 thousand (in 100km) 00:43 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 Guayac�n, Puetro Aldea, Tongoy, Coquimbo, Guanaquero, La Hacienda, and Trigo Blanco.

Radius Population
100 km 440000 people
75 km 230000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Coquimbo Chile 520000 people
Atacama Chile 240000 people
San Juan Argentina 550000 people
Valparaiso Chile 1.4 million people
La Rioja Argentina 230000 people
Mendoza Argentina 1.5 million people
Region Metropolitana Chile 5.2 million people
Catamarca Argentina 270000 people
Antofagasta Chile 420000 people
Libertador General Bernardo O'Higgins Chile 720000 people
San Luis Argentina 300000 people

Affected populated places

Name Region Province Country City class Population Distance
Guayac�n Coquimbo Chile Village - 65 km
Puetro Aldea Coquimbo Chile Village - 66 km
Tongoy Coquimbo Chile Village - 67 km
Coquimbo Coquimbo Chile City 160000 people 68 km
Guanaquero Coquimbo Chile Village - 69 km
La Hacienda Coquimbo Chile Village - 70 km
Trigo Blanco Coquimbo Chile Village - 70 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
Las Tacas 43 0 69 km
La Florida LSC 146 Civ. Paved Yes 6300 81 km
Ovalle OVL unknown 0 99 km

Ports

Name LOCODE Country Distance
Guayacan CLGYC Chile 66 km
Coquimbo CLCQQ Chile 69 km
Cruz Grande CLCGR Chile 85 km

More information

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