M 4.6 in Chile on 23 Feb 2021 06:18 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: 39.57 Km
Lat/Lon: -31.7434 , -71.5515
Event Date: 23 Feb 2021 06:18 UTC
23 Feb 2021 03:18 Local
Exposed Population:
180000 people within 100km
Source: NEIC us6000dkbt
Inserted at: 23 Feb 2021 06:48 UTC
INFORM Coping capacity of the alert score
3.7 (Argentina)
INFORM Coping capacity of the affected contries: Argentina= 3.7; Chile= 3

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000dkbt Scaled population (vector) 5.39  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.83  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1360138 0 23 Feb 2021 06:18 4.6M, 39.57km N/A 190 thousand (in 100km) 00:29 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 Chigualoco, Gauchal, Casuto, Conchalí, La Mostaza, Tunga de Petorca, Huentelauquén, Los Vilos, Las Vacas, Mincha, and San Agustín.

Radius Population
100 km 190000 people
75 km 98000 people
50 km 60000 people
20 km 12000 people
10 km <1000 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
Chigualoco Coquimbo Chile Village - 5 km
Gauchal Coquimbo Chile Village - 8 km
Casuto Coquimbo Chile Village - 14 km
Conchalí Coquimbo Chile Village - 17 km
La Mostaza Coquimbo Chile Village - 18 km
Tunga de Petorca Coquimbo Chile Village - 18 km
Huentelauquén Coquimbo Chile Village - 18 km
Los Vilos Coquimbo Chile Village - 20 km
Las Vacas Coquimbo Chile Village - 20 km
Mincha Coquimbo Chile Village - 20 km
Doña Juana Coquimbo Chile Village - 21 km
Quelón Coquimbo Chile Village - 21 km
Ilta Coquimbo Chile Village - 22 km
Angostura Coquimbo Chile Village - 27 km
Pintacura Coquimbo Chile Village - 30 km
Choapa Coquimbo Chile Village - 32 km
Cuzcuz Coquimbo Chile Village - 32 km
Totoralillo Coquimbo Chile Village - 33 km
Quillaicillo Coquimbo Chile Village - 37 km
El Socavón Coquimbo Chile Village - 37 km
Limahuida Coquimbo Chile Village - 38 km
Pupío Coquimbo Chile Village - 38 km
Illapel Coquimbo Chile City 23000 people 39 km
Canela Baja Coquimbo Chile Village - 39 km
Las Astas Coquimbo Chile Village - 40 km
La Angostura Valparaíso Chile Village - 41 km
Canela Alta Coquimbo Chile Village - 41 km
Quilimarí Valparaíso Chile Village - 42 km
Navarro Valparaíso Chile Village - 43 km
Pichidangui Valparaíso Chile Village - 43 km
Caimanes Coquimbo Chile Village - 43 km
Tahuinco Coquimbo Chile Village - 44 km
Guangualí Valparaíso Chile Village - 46 km
Mundo Nuevo Valparaíso Chile Village - 47 km
Ramadillas Coquimbo Chile Village - 48 km
Maitencillo Coquimbo Chile Village - 49 km
Cabrería Coquimbo Chile Village - 51 km
Horno Coquimbo Chile Village - 51 km
Aucó Coquimbo Chile Village - 52 km
Las Palmas Coquimbo Chile Village - 53 km
Quelón Coquimbo Chile Village - 53 km
Tilama Valparaíso Chile Village - 53 km
Moraleda Coquimbo Chile Village - 54 km
Ingeniero Santa María Valparaiso Chile Village - 55 km
Salamanca Coquimbo Chile Village 13000 people 55 km
Arboleda Grande Coquimbo Chile Village - 55 km
Quelón Valparaíso Chile Village - 57 km
Matancilas Coquimbo Chile Village - 57 km
La Laja Valparaiso Chile Village - 58 km
Huintil Coquimbo Chile Village - 59 km
Cunlagua Coquimbo Chile Village - 60 km
Guaquen Valparaíso Chile Village - 63 km
Las Palmas Valparaíso Chile Village - 65 km
El Espino Coquimbo Chile Village - 65 km
Llimpo Coquimbo Chile Village - 65 km
Las Jarillas Coquimbo Chile Village - 67 km
Llahuín Coquimbo Chile Village - 67 km
Barranca de la Canela Coquimbo Chile Village - 68 km
San Agustín Coquimbo Chile 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
Auco 431 0 46 km

Ports

Name LOCODE Country Distance
Los Vilos CLLOS Chile 19 km
Papudo Chile 84 km

Dams

Reservoir Dam Name River Year Distance
Cogoti Cogoti Huatulame 1939 92 km

More information

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