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 low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.4M
Glide number: EQ-2024-000121-CHL
Depth: 170 Km
Lat/Lon: -22.83 , -68.02
Event Date: 19 Jul 2024 01:50 UTC
18 Jul 2024 21:50 Local
Exposed Population: 160 thousand in MMI VI
Source: PTWC pt24201000
Inserted at: 19 Jul 2024 01:57 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
PTWC 0 0
pt24201000 Scaled population (raster) 1.66  
  C1 rapid impact -0.88  
  C2 rapid impact 0.54  
  Country Vulnerability 0  
  INFORM_normalised 1.79  
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
160000 people
180000 people

Affected Provinces

Intensity Region Province Country Population
Antofagasta Chile 14000 people
Potosi Bolivia <1000 people
Antofagasta Chile <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
San Pedro de Atacama Antofagasta Chile Village - 20 km
Río Grande Antofagasta Chile Village - 25 km
Río Blanco Potosí Bolivia Village - 31 km
Toconao Antofagasta Chile Village - 40 km
Caspana Antofagasta Chile Village - 59 km
Toconce Antofagasta Chile Village - 65 km
Chíuchíu Antofagasta Chile Village - 84 km
Río Loa Antofagasta Chile Village - 89 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 17 km
El Salar 2300 Priv. Unpaved No 7200 95 km

More information

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