M 5.7 in Chile on 21 Oct 2020 09:13 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: 5.7M
Depth: 9.38 Km
Lat/Lon: -25.5166 , -70.9974
Event Date: 21 Oct 2020 09:13 UTC
21 Oct 2020 04:13 Local
Exposed Population: About 16000 people within 100km
Source: NEIC us6000caj9
Inserted at: 21 Oct 2020 10:31 UTC
INFORM Coping capacity of the alert score
3 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000caj9 Scaled population (raster) 0  
  C1 shakemap -1.16  
  C2 shakemap 0.54  
  Country Vulnerability 0  
  INFORM_normalised 0.75  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1338902 0 21 Oct 2020 09:13 5.7M, 9.38km 4.32 N/A (in MMI>=VII) 01:18 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 Cifuncho, Posada de los Hidalgos, Taltal, San Ramón, Placilla de Esmeralda, and Cascabeles.

Radius Population
100 km 16000 people
75 km 6300 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Antofagasta Chile 420000 people
Atacama Chile 240000 people
Catamarca Argentina 270000 people
Salta Argentina 900000 people
La Rioja Argentina 230000 people
San Juan Argentina 550000 people
Coquimbo Chile 520000 people
Jujuy Argentina 530000 people
Potosi Bolivia 820000 people
Tarapaca Chile 350000 people
Tucuman Argentina 1.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Cifuncho Antofagasta Chile Village - 40 km
Posada de los Hidalgos Antofagasta Chile Village - 53 km
Taltal Antofagasta Chile Village 9800 people 54 km
San Ramón Antofagasta Chile Village - 58 km
Placilla de Esmeralda Antofagasta Chile Village - 61 km
Cascabeles Antofagasta Chile Village - 61 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 Breas TTC 786 Civ. Paved No 4500 63 km
Chanaral CNR 30 Civ. Paved No 4000 99 km

Ports

Name LOCODE Country Distance
Taltal CLTTC Chile 53 km
Chanaral CLCNR Chile 98 km
Barquito CLBAR Chile 99 km

More information

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