M 5.1 in Chile on 20 Sep 2021 13:12 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: 5.1M
Depth: 6.12 Km
Lat/Lon: -36.7636 , -74.0015
Event Date: 20 Sep 2021 13:12 UTC
20 Sep 2021 08:12 Local
Exposed Population:
1.1 million in 100km
Source: NEIC us7000fcvb
Inserted at: 20 Sep 2021 13:30 UTC
INFORM Coping capacity of the alert score
3 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000fcvb Scaled population (vector) 5.05  
  C1 earthquake 1.44  
  C2 earthquake -1.48  
  Country Vulnerability -0.64  
  INFORM_normalised 0.75  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1397665 0 20 Sep 2021 13:12 5.1M, 6.12km N/A 1.1 million (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 Chile , Region of Bio-Bio (population 1,789,433) . The nearest places are Llico, Rumena, Aguapie, and Concepción.

Radius Population
100 km 1.1 million people
75 km 11000 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Bio-Bio Chile 1.8 million people
Araucania Chile 810000 people
Maule Chile 860000 people
Neuquen Argentina 400000 people
Libertador General Bernardo O'Higgins Chile 720000 people
Los Lagos Chile 980000 people
Mendoza Argentina 1.5 million people
Region Metropolitana Chile 5.2 million people
Valparaiso Chile 1.4 million people

Affected populated places

Name Region Province Country City class Population Distance
Llico Bio-Bio Chile Village - 62 km
Rumena Bio-Bio Chile Village - 63 km
Aguapie Bio-Bio Chile Village - 66 km
Concepción Bio-Bio Chile Major city 210000 people 85 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Carriel Sur International CCP 12 Civ. Paved Yes 7500 84 km
La Playa 8 0 85 km

Ports

Name LOCODE Country Distance
Puerto Yana Chile 74 km
San Vicente CLSVE Chile 78 km
Coronel CLCNL Chile 81 km
Talca CLTLX Chile 81 km
Talcahuano CLTAL Chile 81 km
Lota CLLTA Chile 84 km
Lirquen CLLQN Chile 91 km
Tome CLTOM Chile 94 km
Lebu CLLEB Chile 97 km

More information

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