M 4.5 in Argentina on 26 Jan 2021 23:37 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: 106.13 Km
Lat/Lon: -28.7837 , -68.9078
Event Date: 26 Jan 2021 23:37 UTC
26 Jan 2021 20:37 Local
Exposed Population:
About 13000 people within 100km
Source: NEIC us7000d3jg
Inserted at: 26 Jan 2021 23:57 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
us7000d3jg Scaled population (vector) 4.05  
  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
1355084 0 26 Jan 2021 23:37 4.5M, 106.13km N/A 10 thousand (in 100km) 00:19 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 Chaparro, Alumbrera, Las Peñitas, Punta de Agua, Los Sapitos, Ranchillo, Tambillos, La Sepultura, La Jarilla, Pastillos, and Vinchina.

Radius Population
100 km 14000 people
75 km 6700 people
50 km 2200 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km no people

Affected Provinces

Region Province Country Population
La Rioja Argentina 230000 people
San Juan Argentina 550000 people

Affected populated places

Name Region Province Country City class Population Distance
Chaparro San Juan Argentina Village - 16 km
Alumbrera La Rioja Argentina Village - 26 km
Las Peñitas San Juan Argentina Village - 28 km
Punta de Agua La Rioja Argentina Village - 32 km
Los Sapitos San Juan Argentina Village - 35 km
Ranchillo La Rioja Argentina Village - 35 km
Tambillos La Rioja Argentina Village - 40 km
La Sepultura La Rioja Argentina Village - 41 km
La Jarilla San Juan Argentina Village - 45 km
Pastillos La Rioja Argentina Village - 46 km
Carnerito La Rioja Argentina Village - 49 km
Ciénaga Alta La Rioja Argentina Village - 49 km
Carrisito San Juan Argentina Village - 56 km
Jagüé La Rioja Argentina Village - 57 km
Pucha Pucha La Rioja Argentina Village - 57 km
Cieneguila La Rioja Argentina Village - 58 km
Mulas Muertas La Rioja Argentina Village - 60 km
Cueva Blanca La Rioja Argentina Village - 61 km
Aguadita La Rioja Argentina Village - 62 km
Las Juntas La Rioja Argentina Village - 67 km
Yegua Quemada La Rioja Argentina Village - 68 km
Vinchina La Rioja Argentina 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.