M 8.3 Earthquake and Tsunami (3.3 m) in Chile from 16 Sep 2015 22:54 UTC to 22:54

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 8.3M
Depth: 25 Km
Lat/Lon: -31.5628 , -71.7374
Event Date: 16 Sep 2015 22:54 UTC
16 Sep 2015 19:54 Local
Exposed Population: 580000 people in MMI
130000 people within 100km
Source: NEIC us20003k7a
Inserted at: 16 Sep 2015 23:39 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0.7 2.1 2.1
us20003k7a Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 3.34m  
  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
1097284 1.3 16 Sep 2015 22:54 7.7M, 10km N/A 150 thousand (in 100km) 1.8m (at 00:22) 00:06 GEOFON
1097285 1.5 16 Sep 2015 22:54 7.9M, 33km N/A 120 thousand (in 100km) 2m (at 00:12) 00:08 NTWC    
1097294 2 16 Sep 2015 22:54 7.9M, 33km N/A No people affected (in 100km) 2.1m (at 00:22) 00:17 PTWC
1097296 1.3 16 Sep 2015 22:54 7.9M, 8.29km N/A 2.8 million (in MMI>=VII) 1.7m (at 00:32) 00:20 NEIC
1097301 1.7 16 Sep 2015 22:54 8.3M, 12.52km 8.28 2.8 million (in MMI>=VII) 2.4m (at 00:14) 00:29 NEIC
1097314 2.1 16 Sep 2015 22:54 8.3M, 25km 8.29 2.8 million (in MMI>=VII) 3.3m (at 01:00) 00:44 NEIC
1097344 3 16 Sep 2015 22:54 8.3M, 25km 8.37 560 thousand (in MMI>=VII) 3.3m (at 00:40) 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 Angostura, Huentelauquén, Quillaicillo, Mincha, Maitencillo, Tunga de Petorca, Canela Baja, Chigualoco, Quelón, Las Palmas, and Pichidangui.

Radius Population
100 km 130000 people
75 km 64000 people
50 km 22000 people
20 km <1000 people
10 km no 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
Angostura Coquimbo Chile Village - 20 km
Huentelauquén Coquimbo Chile Village - 22 km
Quillaicillo Coquimbo Chile Village - 22 km
Mincha Coquimbo Chile Village - 30 km
Maitencillo Coquimbo Chile Village - 31 km
Tunga de Petorca Coquimbo Chile Village - 32 km
Canela Baja Coquimbo Chile Village - 33 km
Chigualoco Coquimbo Chile Village - 34 km
Quelón Coquimbo Chile Village - 35 km
Las Palmas Coquimbo Chile Village - 35 km
Gauchal Coquimbo Chile Village - 37 km
Ilta Coquimbo Chile Village - 38 km
Canela Alta Coquimbo Chile Village - 39 km
Doña Juana Coquimbo Chile Village - 41 km
Casuto Coquimbo Chile Village - 44 km
Conchalí Coquimbo Chile Village - 46 km
La Mostaza Coquimbo Chile Village - 48 km
Los Vilos Coquimbo Chile Village - 48 km
Las Vacas Coquimbo Chile Village - 49 km
Cuzcuz Coquimbo Chile Village - 51 km
Quelón Coquimbo Chile Village - 52 km
Pintacura Coquimbo Chile Village - 53 km
Choapa Coquimbo Chile Village - 55 km
Illapel Coquimbo Chile City 23000 people 57 km
Totoralillo Coquimbo Chile Village - 59 km
Limahuida Coquimbo Chile Village - 62 km
Maitencillo Coquimbo Chile Village - 62 km
Aucó Coquimbo Chile Village - 63 km
El Socavón Coquimbo Chile Village - 63 km
Pupío Coquimbo Chile Village - 68 km
Tahuinco Coquimbo Chile Village - 68 km
Las Astas Coquimbo Chile Village - 68 km
Matancilas Coquimbo Chile Village - 68 km
La Angostura Valparaíso Chile Village - 69 km
Quilimarí Valparaíso Chile Village - 69 km
Pichidangui Valparaíso Chile Village - 69 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 62 km

Ports

Name LOCODE Country Distance
Los Vilos CLLOS Chile 47 km

Dams

Reservoir Dam Name River Year Distance
Cogoti Cogoti Huatulame 1939 87 km

More information

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