M 4.8 in Chile on 16 Apr 2018 12:31 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: 4.8M
Depth: 35.47 Km
Lat/Lon: -29.8175 , -71.7463
Event Date: 16 Apr 2018 12:31 UTC
16 Apr 2018 07:31 Local
Exposed Population:
460000 people within 100km
Source: NEIC us2000e0wq
Inserted at: 16 Apr 2018 12:49 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
us2000e0wq Scaled population (vector) 5.89  
  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
1206986 0 16 Apr 2018 12:31 4.8M, 35.47km N/A 470 thousand (in 100km) 00:17 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 Guayacán, Trigo Blanco, Coquimbo, Punta Teatinos, La Compañía, El Romeral, La Serena, La Hacienda, San Ramón, Guanaquero, and Quebrada Seca.

Radius Population
100 km 470000 people
75 km 430000 people
50 km 370000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Coquimbo Chile 520000 people
Atacama Chile 240000 people
San Juan Argentina 550000 people
Valparaiso Chile 1.4 million people
La Rioja Argentina 230000 people
Mendoza Argentina 1.5 million people
Catamarca Argentina 270000 people
Region Metropolitana Chile 5.2 million people
Antofagasta Chile 420000 people
Libertador General Bernardo O'Higgins Chile 720000 people
San Luis Argentina 300000 people

Affected populated places

Name Region Province Country City class Population Distance
Guayacán Coquimbo Chile Village - 40 km
Trigo Blanco Coquimbo Chile Village - 41 km
Coquimbo Coquimbo Chile City 160000 people 43 km
Punta Teatinos Coquimbo Chile Village - 45 km
La Compañía Coquimbo Chile Village - 47 km
El Romeral Coquimbo Chile Village - 49 km
La Serena Coquimbo Chile City 150000 people 49 km
La Hacienda Coquimbo Chile Village - 49 km
San Ramón Coquimbo Chile Village - 50 km
Guanaquero Coquimbo Chile Village - 52 km
Tongoy Coquimbo Chile Village - 54 km
Islón Coquimbo Chile Village - 55 km
Totoralillo Coquimbo Chile Village - 55 km
Puetro Aldea Coquimbo Chile Village - 57 km
Palo Negro Coquimbo Chile Village - 57 km
Tongoicillo Coquimbo Chile Village - 58 km
Quebrada Honda Coquimbo Chile Village - 59 km
El Rincón Coquimbo Chile Village - 59 km
El Peralito Coquimbo Chile Village - 59 km
Algarrobito Coquimbo Chile Village - 59 km
Lambert Coquimbo Chile Village - 61 km
El Peñón Coquimbo Chile Village - 62 km
Los Palos Coquimbo Chile Village - 62 km
Tambillos Coquimbo Chile Village - 63 km
Punta de Piedra Coquimbo Chile Village - 64 km
El Tofo Coquimbo Chile Village - 64 km
La Pampa Coquimbo Chile Village - 66 km
Santa Gracia Coquimbo Chile Village - 68 km
Las Rojas Coquimbo Chile Village - 69 km
Las Cardas Coquimbo Chile Village - 69 km
Quebrada Seca Coquimbo 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
Las Tacas 43 0 48 km
La Florida LSC 146 Civ. Paved Yes 6300 54 km
Ovalle OVL unknown 0 83 km
Huancara 598 0 99 km

Ports

Name LOCODE Country Distance
Guayacan CLGYC Chile 40 km
Coquimbo CLCQQ Chile 43 km
Cruz Grande CLCGR Chile 60 km

Dams

Reservoir Dam Name River Year Distance
Recoleta Recoleta Hurtado 1934 98 km

More information

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