M 4.5 in Argentina on 18 Oct 2020 00:57 UTC

Hazard models

EQ parameters
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: 4.5M
Depth: 113.88 Km
Lat/Lon: -28.2814 , -68.7651
Event Date: 18 Oct 2020 00:57 UTC
17 Oct 2020 21:57 Local
Exposed Population:
About 8000 people within 100km
Source: NEIC us6000c92h
Inserted at: 18 Oct 2020 01:16 UTC
INFORM Coping capacity of the alert score
3.7 (Argentina)
INFORM Coping capacity of the affected contries: Argentina= 3.7; Chile= 3

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000c92h Scaled population (vector) 3.73  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 0.83  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1338210 0 18 Oct 2020 00:57 4.5M, 113.88km N/A 9 thousand (in 100km) 00:18 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 Argentina , Province of La Rioja (population 228,724) . The nearest places are Mulas Muertas, Yegua Quemada, Pastillos, Punta de Agua, La Sepultura, Carnerito, Pucha Pucha, Ciénaga, Ranchillo, Jagüé, and Cuevitas.

Radius Population
100 km 8700 people
75 km 3300 people
50 km <1000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
La Rioja Argentina 230000 people

Affected populated places

Name Region Province Country City class Population Distance
Mulas Muertas La Rioja Argentina Village - 4 km
Yegua Quemada La Rioja Argentina Village - 15 km
Pastillos La Rioja Argentina Village - 35 km
Punta de Agua La Rioja Argentina Village - 37 km
La Sepultura La Rioja Argentina Village - 40 km
Carnerito La Rioja Argentina Village - 44 km
Pucha Pucha La Rioja Argentina Village - 45 km
Ciénaga La Rioja Argentina Village - 51 km
Ranchillo La Rioja Argentina Village - 53 km
Jagüé La Rioja Argentina Village - 56 km
Alumbrera La Rioja Argentina Village - 58 km
Tambillo Catamarca Argentina Village - 63 km
La Tambería Catamarca Argentina Village - 65 km
Cuevitas Atacama Chile Village - 69 km

see full list

Critical infrastructure

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

More information

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