M 4.6 in Chile on 27 Oct 2016 00:59 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This is a preliminary assessment. The final GDACS Alert Level has been/will be published using more detailed information.

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: 121.68 Km
Lat/Lon: -22.197 , -68.3722
Event Date: 27 Oct 2016 00:59 UTC
26 Oct 2016 21:59 Local
Exposed Population:
146915 people within 100km
Source: NEIC us10007285
Inserted at: 27 Oct 2016 02:21 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us10007285 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1144190 n.a 27 Oct 2016 00:59 4.6M, 121.68km N/A 150 thousand (in 100km) 01:21 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 Topain, Turi, Aiquina, Cupo, Paniri, Caspana, Toconce, Río Loa, El Ojo de San Pedro, Ayaviri, and Guatín.

Radius Population
100 km 150000 people
75 km 140000 people
50 km 5500 people
20 km <1000 people
10 km <1000 people
5 km no 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
Topain Antofagasta Chile Village - 5 km
Turi Antofagasta Chile Village - 9 km
Aiquina Antofagasta Chile Village - 10 km
Cupo Antofagasta Chile Village - 11 km
Paniri Antofagasta Chile Village - 13 km
Caspana Antofagasta Chile Village - 21 km
Toconce Antofagasta Chile Village - 23 km
Río Loa Antofagasta Chile Village - 25 km
El Ojo de San Pedro Antofagasta Chile Village - 26 km
Ayaviri Antofagasta Chile Village - 32 km
Chíuchíu Antofagasta Chile Village - 32 km
Conchi Antofagasta Chile Village - 32 km
Cabana Antofagasta Chile Village - 34 km
Calina Antofagasta Chile Village - 38 km
Isla Grande Antofagasta Chile Village - 39 km
Tapiche Antofagasta Chile Village - 40 km
Conchi Viejo Antofagasta Chile Village - 47 km
Turicapur Antofagasta Chile Village - 49 km
Lagunita Antofagasta Chile Village - 49 km
Carcanis Potosí Bolivia Village - 49 km
Machuca Antofagasta Chile Village - 53 km
Tocotacape Potosí Bolivia Village - 53 km
Licán Antofagasta Chile Village - 54 km
Peñaliri Antofagasta Chile Village - 54 km
Río Grande Antofagasta Chile Village - 55 km
Chuquicamata Antofagasta Chile City - 59 km
Juntacha Potosí Bolivia Village - 59 km
San Bartolo Antofagasta Chile Village - 60 km
Condoroma Antofagasta Chile Village - 63 km
Calama Antofagasta Chile City 140000 people 64 km
Lequena Antofagasta Chile Village - 68 km
Dupont Antofagasta Chile Village - 69 km
Guatín Antofagasta Chile Village - 70 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 64 km
San Pedro de Atacama 2418 Civ. Unpaved No 6300 83 km

More information

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