M 6.5 in Chile from 21 Sep 2015 17:40 UTC to 17:39

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: 6.5M
Depth: 33 Km
Lat/Lon: -31.8 , -71.8
Event Date: 21 Sep 2015 17:39 UTC
21 Sep 2015 14:39 Local
Exposed Population: 177629 people within 100km
Source: NTWC    
Inserted at: 21 Sep 2015 17:48 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NTWC     0.5 1 0.5
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.04m  
  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 Chigualoco, Los Vilos, Conchalí, Gauchal, Casuto, Totoralillo, La Mostaza, Huentelauquén, Las Vacas, Tunga de Petorca, and Ramadillas.

Radius Population
100 km 130000 people
75 km 43000 people
50 km 17000 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
Valparaiso Chile 1.4 million people
San Juan Argentina 550000 people
Region Metropolitana Chile 5.2 million people
Mendoza Argentina 1.5 million people
Libertador General Bernardo O'Higgins Chile 720000 people
Atacama Chile 240000 people
Maule Chile 860000 people
La Rioja Argentina 230000 people
San Luis Argentina 300000 people
Bio-Bio Chile 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Chigualoco Coquimbo Chile Village - 31 km
Los Vilos Coquimbo Chile Village - 31 km
Conchalí Coquimbo Chile Village - 32 km
Gauchal Coquimbo Chile Village - 34 km
Casuto Coquimbo Chile Village - 37 km
Totoralillo Coquimbo Chile Village - 37 km
La Mostaza Coquimbo Chile Village - 37 km
Huentelauquén Coquimbo Chile Village - 38 km
Las Vacas Coquimbo Chile Village - 43 km
Tunga de Petorca Coquimbo Chile Village - 43 km
Angostura Coquimbo Chile Village - 44 km
Mincha Coquimbo Chile Village - 44 km
Pichidangui Valparaíso Chile Village - 44 km
Quilimarí Valparaíso Chile Village - 45 km
Quelón Coquimbo Chile Village - 47 km
La Angostura Valparaíso Chile Village - 47 km
Doña Juana Coquimbo Chile Village - 48 km
Ilta Coquimbo Chile Village - 49 km
Quillaicillo Coquimbo Chile Village - 51 km
Navarro Valparaíso Chile Village - 52 km
Guangualí Valparaíso Chile Village - 55 km
Ingeniero Santa María Valparaiso Chile Village - 57 km
Pintacura Coquimbo Chile Village - 57 km
Mundo Nuevo Valparaíso Chile Village - 58 km
Canela Baja Coquimbo Chile Village - 58 km
Choapa Coquimbo Chile Village - 58 km
Cuzcuz Coquimbo Chile Village - 59 km
Pupío Coquimbo Chile Village - 60 km
La Laja Valparaiso Chile Village - 61 km
Maitencillo Coquimbo Chile Village - 62 km
El Socavón Coquimbo Chile Village - 62 km
Las Astas Coquimbo Chile Village - 62 km
Canela Alta Coquimbo Chile Village - 62 km
Guaquen Valparaíso Chile Village - 64 km
Limahuida Coquimbo Chile Village - 64 km
Caimanes Coquimbo Chile Village - 65 km
Illapel Coquimbo Chile City 23000 people 66 km
Las Palmas Coquimbo Chile Village - 66 km
Tilama Valparaíso Chile Village - 69 km
Ramadillas 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
Auco 431 0 72 km

Ports

Name LOCODE Country Distance
Los Vilos CLLOS Chile 31 km
Papudo Chile 82 km

More information

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