M 4.5 in Chile on 21 Jul 2018 17:45 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: 4.5M
Depth: 138.57 Km
Lat/Lon: -21.2945 , -68.9608
Event Date: 21 Jul 2018 17:45 UTC
21 Jul 2018 13:45 Local
Exposed Population:
About 9000 people within 100km
Source: NEIC us2000gau3
Inserted at: 21 Jul 2018 18:12 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
us2000gau3 Scaled population (vector) 3.68  
  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
1220630 0 21 Jul 2018 17:45 4.5M, 138.57km N/A 10 thousand (in 100km) 00:26 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 Tarapaca (population 350,373) . The nearest places are Quehuita, El Chocal, Cuesta Apacheta, Mani, Collahuasi, Chela, Cautenicsa, Tolar, Tamentica, Collaguasi, and El Algarrobal.

Radius Population
100 km 9800 people
75 km 3300 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Tarapaca Chile 350000 people
Antofagasta Chile 420000 people

Affected populated places

Name Region Province Country City class Population Distance
Quehuita Tarapaca Chile Village - 7 km
El Chocal Tarapaca Chile Village - 9 km
Cuesta Apacheta Tarapacá Chile Village - 10 km
Mani Tarapacá Chile Village - 36 km
Collahuasi Tarapaca Chile Village - 36 km
Chela Antofagasta Chile Village - 38 km
Cautenicsa Tarapaca Chile Village - 40 km
Tolar Tarapacá Chile Village - 41 km
Tamentica Tarapaca Chile Village - 42 km
Collaguasi Tarapaca Chile Village - 44 km
Alto del Molino Tarapaca Chile Village - 44 km
Guatacondo Tarapacá Chile Village - 45 km
Alojamiento Sallihuinca Tarapacá Chile Village - 46 km
Casa de Piedra Tarapacá Chile Village - 46 km
Aimani Antofagasta Chile Village - 46 km
Alto de Tuna Tarapaca Chile Village - 48 km
Alojamiento de Quitala Tarapacá Chile Village - 49 km
Lequena Antofagasta Chile Village - 50 km
Ujina Tarapacá Chile Village - 51 km
Lipita Tarapaca Chile Village - 51 km
Aucanquilcha Antofagasta Chile Village - 52 km
Pasaca Tarapacá Chile Village - 54 km
Condoroma Antofagasta Chile Village - 54 km
Yuma Antofagasta Chile Village - 56 km
Cahuisa Tarapacá Chile Village - 56 km
Saitoco Tarapaca Chile Village - 56 km
Hilaricos Tarapacá Chile Village - 56 km
Chusquina Tarapaca Chile Village - 56 km
Caracote Antofagasta Chile Village - 57 km
Chictusa Tarapaca Chile Village - 57 km
Ramaditas Tarapacá Chile Village - 60 km
Cuspe Potosi Bolivia Village - 64 km
Ramadas Tarapaca Chile Village - 66 km
Amincha Antofagasta Chile Village - 66 km
Cosca Antofagasta Chile Village - 68 km
Puquios Antofagasta Chile Village - 68 km
Caya Tarapaca Chile Village - 69 km
El Algarrobal Tarapacá Chile Village - 69 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
Coposa 3788 0 67 km
Oficina Victoria 1000 0 93 km

More information

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