M 7.4 in Chile on 19 Jul 2024 01:50 UTC

Hazard models

Rapid Impact
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.4M
Glide number: EQ-2024-000121-CHL
Depth: 117.4 Km
Lat/Lon: -23.0467 , -67.7818
Event Date: 19 Jul 2024 01:50 UTC
18 Jul 2024 21:50 Local
Exposed Population: 140 thousand (in MMI>=VII)
Source: NEIC us7000n05d
Inserted at: 19 Jul 2024 02:20 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
(Rapid Impact)		 GDACS score
NEIC 0.9 0.9
us7000n05d Scaled population (raster) 6.42  
  C1 rapid impact -0.78  
  C2 rapid impact 0.53  
  Country Vulnerability 0  
  INFORM_normalised 2.62  
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1582992 0 19 Jul 2024 01:50 7.4M, 170km 6.39 N/A (in MMI>=VII) N/A 00:06 PTWC
1582993 0.4 19 Jul 2024 01:50 7.3M, 126.3km 6.91 4 thousand (in MMI>=VII) N/A 00:09 NEIC
1583016 0.9 19 Jul 2024 01:50 7.4M, 117.4km 7.09 8 thousand (in MMI>=VII) N/A 00:29 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Chile ,of Antofagasta (population 423,780) . The alertlevel for this event is GREEN

Intensity Population
7800 people
160000 people
620000 people

Affected Provinces

Intensity Region Province Country Population
Antofagasta Chile 12000 people
Potosi Bolivia <1000 people
Jujuy Argentina <1000 people
Salta Argentina no people
Antofagasta Chile 150000 people
Potosi Bolivia 1500 people
Jujuy Argentina 1500 people
Salta Argentina <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Toconao Antofagasta Chile Village - 27 km
San Pedro de Atacama Antofagasta Chile Village - 45 km
Río Blanco Potosí Bolivia Village - 47 km
Río Grande Antofagasta Chile Village - 59 km
Socaire Antofagasta Chile Village - 61 km
Peine Antofagasta Chile Village - 76 km
Caspana Antofagasta Chile Village - 91 km
Toconce Antofagasta Chile Village - 95 km
Pairique Chico Jujuy Argentina Village - 98 km
Toro Jujuy Argentina Village - 100 km
Palrique Grande Jujuy Argentina Village - 103 km
Pena Barrosa Potosí Bolivia Village - 104 km
Cabana Antofagasta Chile Village - 112 km
San Antonio Potosí Bolivia Village - 114 km
Chíuchíu Antofagasta Chile Village - 118 km
Catúa Salta Argentina Village - 119 km
Lupi Gera Potosí Bolivia Village - 120 km
Tocol Jujuy Argentina Village - 121 km
Río Loa Antofagasta Chile Village - 123 km
Placilla de Caracoles Antofagasta Chile Village - 125 km
Calama Antofagasta Chile City 140000 people 135 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
San Pedro de Atacama 2418 Civ. Unpaved No 6300 41 km
El Salar 2300 Priv. Unpaved No 7200 85 km
El Loa CJC 2318 Civ. Paved Yes 9400 130 km

More information

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