M 4.6 in Chile on 07 Apr 2021 23:14 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: 4.6M
Depth: 141.55 Km
Lat/Lon: -36.4066 , -70.9175
Event Date: 07 Apr 2021 23:14 UTC
07 Apr 2021 20:14 Local
Exposed Population:
330000 people within 100km
Source: NEIC us6000dzvk
Inserted at: 07 Apr 2021 23:29 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
us6000dzvk Scaled population (vector) 4.85  
  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
1369072 0 07 Apr 2021 23:14 4.6M, 141.55km N/A 330 thousand (in 100km) 00:15 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 Maule (population 862,719) . The nearest places are Pichirrincón, El Palomar, El Chacayal, Coironal, Carrizales, Invernada Vieja, Alico, Lastimas Pejerrey, San Fabián de Alico, Corral de Salas, and Bote.

Radius Population
100 km 330000 people
75 km 41000 people
50 km 7500 people
20 km 1300 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Maule Chile 860000 people
Neuquen Argentina 400000 people
Bio-Bio Chile 1.8 million people

Affected populated places

Name Region Province Country City class Population Distance
Pichirrincón Bio-Bio Chile Village - 26 km
El Palomar Neuquén Argentina Village - 35 km
El Chacayal Bio-Bio Chile Village - 47 km
Coironal Bio-Bio Chile Village - 48 km
Carrizales Bio-Bio Chile Village - 51 km
Invernada Vieja Neuquén Argentina Village - 52 km
Alico Bio-Bio Chile Village - 55 km
Lastimas Pejerrey Maule Chile Village - 55 km
San Fabián de Alico Bio-Bio Chile Village - 59 km
Corral de Salas Maule Chile Village - 60 km
La Máquina Bio-Bio Chile Village - 61 km
Melado Maule Chile Village - 62 km
Hornillas Maule Chile Village - 63 km
La Mina Fortuna Maule Chile Village - 65 km
Catillo Bío-Bío Chile Village - 67 km
Quideñez Bio-Bio Chile Village - 67 km
Bote Neuquen Argentina Village - 68 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
Las Ovejas 1200 0 68 km
Linares ZLR 180 Civ. Unpaved No 3200 83 km

Dams

Reservoir Dam Name River Year Distance
Bullileo Bullileo 1949 46 km
Maule Laguna del Maule Maule 1957 54 km
Colbun Colbun Maule 1985 90 km

More information

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