M 4.6 in Chile on 28 Feb 2021 04:41 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: 4.6M
Depth: 123.16 Km
Lat/Lon: -22.3775 , -68.5092
Event Date: 28 Feb 2021 04:41 UTC
28 Feb 2021 01:41 Local
Exposed Population:
150000 people within 100km
Source: NEIC us7000de9t
Inserted at: 28 Feb 2021 05:04 UTC
INFORM Coping capacity of the alert score
5.4 (Bolivia)
INFORM Coping capacity of the affected contries: Bolivia= 5.4; Chile= 3

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000de9t Scaled population (vector) 5.49  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1.04  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1361044 0 28 Feb 2021 04:41 4.6M, 123.16km N/A 150 thousand (in 100km) 00:22 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 Chíuchíu, Río Loa, Isla Grande, Aiquina, Turi, Caspana, Topain, Cupo, Paniri, Toconce, and Carcanis.

Radius Population
100 km 150000 people
75 km 150000 people
50 km 150000 people
20 km 1100 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
Chíuchíu Antofagasta Chile Village - 14 km
Río Loa Antofagasta Chile Village - 18 km
Isla Grande Antofagasta Chile Village - 18 km
Aiquina Antofagasta Chile Village - 21 km
Turi Antofagasta Chile Village - 29 km
Caspana Antofagasta Chile Village - 29 km
Topain Antofagasta Chile Village - 30 km
Cupo Antofagasta Chile Village - 35 km
Paniri Antofagasta Chile Village - 37 km
Toconce Antofagasta Chile Village - 38 km
Turicapur Antofagasta Chile Village - 39 km
Conchi Antofagasta Chile Village - 41 km
Licán Antofagasta Chile Village - 43 km
Calama Antofagasta Chile City 140000 people 44 km
Chuquicamata Antofagasta Chile City - 44 km
Lagunita Antofagasta Chile Village - 46 km
Río Grande Antofagasta Chile Village - 47 km
Dupont Antofagasta Chile Village - 48 km
Peñaliri Antofagasta Chile Village - 48 km
San Bartolo Antofagasta Chile Village - 48 km
Calina Antofagasta Chile Village - 49 km
El Ojo de San Pedro Antofagasta Chile Village - 50 km
Machuca Antofagasta Chile Village - 51 km
Tapiche Antofagasta Chile Village - 54 km
Conchi Viejo Antofagasta Chile Village - 54 km
Ayaviri Antofagasta Chile Village - 56 km
Cabana Antofagasta Chile Village - 56 km
Catarpe Antofagasta Chile Village - 60 km
Guatín Antofagasta Chile Village - 61 km
Ramadas Antofagasta Chile Village - 62 km
Tocotacape Potosí Bolivia Village - 67 km
San Pedro de Atacama Antofagasta Chile Village - 67 km
Carcanis Potosí Bolivia Village - 68 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 43 km
San Pedro de Atacama 2418 Civ. Unpaved No 6300 70 km

More information

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