M 4.7 in Chile on 20 Oct 2015 04:06 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: 37.58 Km
Lat/Lon: -30.7799 , -71.5016
Event Date: 20 Oct 2015 04:06 UTC
20 Oct 2015 01:06 Local
Exposed Population:
400512 people within 100km
Source: NEIC
Inserted at: 20 Oct 2015 04:24 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
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
1102757 0 20 Oct 2015 04:06 4.7M, 37.58km N/A 400 thousand (in 100km) 00:17 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 Alcones, Las Damas, Peña Blanca, Chalinga, Salala, Angostura, Soco, El Ajial, Camarico, and Barraza.

Radius Population
100 km 420000 people
75 km 170000 people
50 km 120000 people
20 km 9700 people
10 km 2800 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Coquimbo Chile 520000 people

Affected populated places

Name Region Province Country City class Population Distance
Alcones Coquimbo Chile Village - 3 km
Las Damas Coquimbo Chile Village - 9 km
Peña Blanca Coquimbo Chile Village - 11 km
Chalinga Coquimbo Chile Village - 12 km
Salala Coquimbo Chile Village - 14 km
Angostura Coquimbo Chile Village - 15 km
Soco Coquimbo Chile Village - 16 km
El Ajial Coquimbo Chile Village - 19 km
Camarico Coquimbo Chile Village - 20 km
Barraza Coquimbo Chile Village - 20 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
Santa Rosa de Tabali 239 0 19 km
Ovalle OVL unknown 0 55 km
Las Tacas 43 0 81 km
Auco 431 0 94 km

Ports

Name LOCODE Country Distance
Guayacan CLGYC Chile 95 km
Coquimbo CLCQQ Chile 96 km

Dams

Reservoir Dam Name River Year Distance
Cogoti Cogoti Huatulame 1939 47 km
Paloma Paloma Grande 1967 48 km
Recoleta Recoleta Hurtado 1934 54 km

More information

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