M 4.5 in Chile on 28 Sep 2014 09:49 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: 4.5M
Depth: 125.59 Km
Lat/Lon: -21.88 , -68.67
Event Date: 28 Sep 2014 09:49 UTC
28 Sep 2014 06:49 Local
Exposed Population:
151675 people within 100km
Source: NEIC
Inserted at: 28 Sep 2014 10:15 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
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
1061212 n.a 28 Sep 2014 09:49 4.5M, 125.59km N/A 150 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 Antofagasta (population 423,780) . The nearest places are Tapiche, Calina, Conchi Viejo, Conchi, Condoroma, Lequena, Aimani, El Ojo de San Pedro, Río Loa, Cupo, and Calama.

Radius Population
100 km 140000 people
75 km 140000 people
50 km 3600 people
20 km 1400 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
Tapiche Antofagasta Chile Village - 6 km
Calina Antofagasta Chile Village - 7 km
Conchi Viejo Antofagasta Chile Village - 8 km
Conchi Antofagasta Chile Village - 14 km
Condoroma Antofagasta Chile Village - 22 km
Lequena Antofagasta Chile Village - 28 km
Aimani Antofagasta Chile Village - 31 km
El Ojo de San Pedro Antofagasta Chile Village - 36 km
Río Loa Antofagasta Chile Village - 39 km
Cupo Antofagasta Chile Village - 43 km
Topain Antofagasta Chile Village - 45 km
Paniri Antofagasta Chile Village - 48 km
Chíuchíu Antofagasta Chile Village - 49 km
Turi Antofagasta Chile Village - 52 km
Chuquicamata Antofagasta Chile City - 54 km
Aiquina Antofagasta Chile Village - 54 km
Isla Grande Antofagasta Chile Village - 55 km
Caracote Antofagasta Chile Village - 57 km
Ayaviri Antofagasta Chile Village - 58 km
Chela Antofagasta Chile Village - 61 km
Cabana Antofagasta Chile Village - 64 km
Toconce Antofagasta Chile Village - 65 km
Caspana Antofagasta Chile Village - 65 km
Ramaditas Potosí Bolivia Village - 66 km
Calama Antofagasta Chile City 140000 people 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
El Loa CJC 2318 Civ. Paved Yes 9400 71 km

More information

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