M 4.7 in Chile on 15 Oct 2017 02:54 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: 111.61 Km
Lat/Lon: -22.784 , -68.9567
Event Date: 15 Oct 2017 02:54 UTC
14 Oct 2017 23:54 Local
Exposed Population:
140000 people within 100km
Source: NEIC us1000ase8
Inserted at: 15 Oct 2017 05:39 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
us1000ase8 Scaled population (vector) 5.42  
  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
1184025 0 15 Oct 2017 02:54 4.6M, 109.95km N/A 150 thousand (in 100km) 00:29 NEIC
1184034 0 15 Oct 2017 02:54 4.7M, 111.61km N/A 150 thousand (in 100km) 02:44 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 Antofagasta (population 423,780) . The nearest places are Placilla de Caracoles, Cerritos Bayos, San Juan, Dupont, Ramadas, Sierra Gorda, Calama, Nacara, Planta Aconcahua, Guacate, and Flor del Desierto.

Radius Population
100 km 150000 people
75 km 140000 people
50 km 130000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
Antofagasta Chile 420000 people

Affected populated places

Name Region Province Country City class Population Distance
Placilla de Caracoles Antofagasta Chile Village - 25 km
Cerritos Bayos Antofagasta Chile Village - 29 km
San Juan Antofagasta Chile Village - 31 km
Dupont Antofagasta Chile Village - 33 km
Ramadas Antofagasta Chile Village - 39 km
Sierra Gorda Antofagasta Chile Village - 39 km
Calama Antofagasta Chile City 140000 people 40 km
Nacara Antofagasta Chile Village - 45 km
Planta Aconcahua Antofagasta Chile Village - 46 km
Guacate Antofagasta Chile Village - 50 km
Oficina Perseverencia Antofagasta Chile Village - 53 km
Isla Grande Antofagasta Chile Village - 53 km
Chuquicamata Antofagasta Chile City - 55 km
Oficina María Antofagasta Chile Village - 57 km
Chíuchíu Antofagasta Chile Village - 61 km
Oficina Anita Antofagasta Chile Village - 62 km
Bomba Vergara Antofagasta Chile Village - 66 km
Flor del Desierto Antofagasta 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
El Loa CJC 2318 Civ. Paved Yes 9400 35 km
San Pedro de Atacama 2418 Civ. Unpaved No 6300 81 km

More information

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