M 4.5 in Argentina on 23 Sep 2017 16:39 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: 131.62 Km
Lat/Lon: -28.772 , -69.21
Event Date: 23 Sep 2017 16:39 UTC
23 Sep 2017 13:39 Local
Exposed Population:
About 6000 people within 100km
Source: NEIC us2000atmf
Inserted at: 23 Sep 2017 18:49 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
us2000atmf Scaled population (vector) 3.96  
  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
1181677 0 23 Sep 2017 16:39 4.5M, 131.62km N/A 6 thousand (in 100km) 02:09 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 San Juan (population 547,865) . The nearest places are Alumbrera, Las Peñitas, Ranchillo, Los Sapitos, Chaparro, La Sepultura, Carnerito, Pastillos, La Jarilla, Pucha Pucha, and Los Chacayes.

Radius Population
100 km 6100 people
75 km 2500 people
50 km 1600 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

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

Affected populated places

Name Region Province Country City class Population Distance
Alumbrera La Rioja Argentina Village - 11 km
Las Peñitas San Juan Argentina Village - 13 km
Ranchillo La Rioja Argentina Village - 21 km
Los Sapitos San Juan Argentina Village - 24 km
Chaparro San Juan Argentina Village - 29 km
La Sepultura La Rioja Argentina Village - 35 km
Carnerito La Rioja Argentina Village - 39 km
Pastillos La Rioja Argentina Village - 43 km
La Jarilla San Juan Argentina Village - 45 km
Pucha Pucha La Rioja Argentina Village - 47 km
Carrisito San Juan Argentina Village - 56 km
Punta de Agua La Rioja Argentina Village - 58 km
Tambillos La Rioja Argentina Village - 60 km
Port de Cantarito Atacama Chile Village - 64 km
Tambería Atacama Chile Village - 65 km
Ciénaga Alta La Rioja Argentina Village - 66 km
Bañitos San Juan Argentina Village - 67 km
Los Realitos Atacama Chile Village - 68 km
Cueva Blanca La Rioja Argentina Village - 68 km
Los Chacayes Atacama Chile Village - 70 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.