M 4.5 in Chile on 23 Oct 2016 02:10 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: 100.07 Km
Lat/Lon: -23.4341 , -68.8781
Event Date: 23 Oct 2016 02:10 UTC
22 Oct 2016 23:10 Local
Exposed Population:
About 13238 people within 100km
Source: NEIC us20007g5y
Inserted at: 23 Oct 2016 03:00 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC n.a n.a
us20007g5y 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
1143660 n.a 23 Oct 2016 02:10 4.5M, 100.07km N/A 10 thousand (in 100km) 00:49 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 San Juan, Placilla de Caracoles, Flor del Desierto, Oficina Perseverencia, and San Cristóbal.

Radius Population
100 km 13000 people
75 km 3100 people
50 km 1700 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Antofagasta Chile 420000 people

Affected populated places

Name Region Province Country City class Population Distance
San Juan Antofagasta Chile Village - 42 km
Placilla de Caracoles Antofagasta Chile Village - 46 km
Flor del Desierto Antofagasta Chile Village - 51 km
Oficina Perseverencia Antofagasta Chile Village - 68 km
San Cristóbal 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 Salar 2300 Priv. Unpaved No 7200 63 km
San Pedro de Atacama 2418 Civ. Unpaved No 6300 93 km

More information

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