M 4.6 in Chile on 30 Apr 2021 20:06 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: 4.6M
Depth: 37.44 Km
Lat/Lon: -29.0774 , -71.5745
Event Date: 30 Apr 2021 20:06 UTC
30 Apr 2021 16:06 Local
Exposed Population:
370000 people within 100km
Source: NEIC us7000dz3r
Inserted at: 30 Apr 2021 20:44 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
us7000dz3r Scaled population (vector) 4.76  
  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
1372951 0 30 Apr 2021 20:06 4.6M, 37.44km N/A 370 thousand (in 100km) 00:37 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 Atacama (population 238,212) . The nearest places are Chañaral, Agua Dulce, Carrizalillo, Los Loritos, Choros, Totoral, Llano Choros, Sarco, Higuerita, Espantajos, and Domeyko.

Radius Population
100 km 370000 people
75 km 13000 people
50 km 4700 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Atacama Chile 240000 people
Coquimbo Chile 520000 people

Affected populated places

Name Region Province Country City class Population Distance
Chañaral Atacama Chile Village - 15 km
Agua Dulce Atacama Chile Village - 17 km
Carrizalillo Atacama Chile Village - 17 km
Los Loritos Coquimbo Chile Village - 19 km
Choros Coquimbo Chile Village - 20 km
Totoral Coquimbo Chile Village - 24 km
Llano Choros Coquimbo Chile Village - 27 km
Sarco Atacama Chile Village - 27 km
Higuerita Atacama Chile Village - 30 km
Espantajos Atacama Chile Village - 31 km
Choros Bajos Coquimbo Chile Village - 35 km
El Sauce Atacama Chile Village - 37 km
El Pollo Atacama Chile Village - 41 km
Peñita Atacama Chile Village - 42 km
Choros Altos Coquimbo Chile Village - 46 km
Labrar Atacama Chile Village - 48 km
Almireses Atacama Chile Village - 49 km
El Trapiche Coquimbo Chile Village - 50 km
Los Choros Atacama Chile Village - 50 km
El Morado Atacama Chile Village - 50 km
El Tofo Coquimbo Chile Village - 51 km
San Juan Atacama Chile Village - 52 km
El Rincón Coquimbo Chile Village - 52 km
Totoralillo Coquimbo Chile Village - 55 km
Incoguosi Coquimbo Chile Village - 57 km
Quebrada Seca Coquimbo Chile Village - 57 km
Los Palos Coquimbo Chile Village - 58 km
Fragüita Atacama Chile Village - 60 km
Punta Colorada Coquimbo Chile Village - 61 km
Chañar Coquimbo Chile Village - 65 km
Cachiyuyo Atacama Chile Village - 66 km
Quebrada Honda Coquimbo Chile Village - 67 km
Domeyko Atacama 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
Pelicano 1121 0 67 km
Vallenar VLR 526 Civ. Paved No 4500 96 km
La Florida LSC 146 Civ. Paved Yes 6300 100 km

Ports

Name LOCODE Country Distance
Cruz Grande CLCGR Chile 48 km
Huasco CLHSO Chile 77 km

More information

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