M 4.6 in Peru on 04 May 2021 08:01 UTC
EQ parameters

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: 113.52 Km
Lat/Lon: -4.8486 , -76.552
Event Date: 04 May 2021 08:01 UTC
04 May 2021 03:01 Local
Exposed Population:
About 44000 people within 100km
Source: NEIC us7000dzyk
Inserted at: 04 May 2021 08:21 UTC
INFORM Coping capacity of the alert score: 4.6 (Peru)


For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000dzyk Scaled population (vector) 5.15  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0.27  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1373505 0 04 May 2021 08:01 4.6M, 113.52km N/A 40 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 Peru , Department of Loreto (population 720,100) . The nearest places are San Juan, Aripari, Ideal, Patria, Dos de Mayo, Barranca, San José, Puerto Diego Ríos, San Ramán, Puerto Díaz, and Cahuapanas.

Radius Population
100 km 44000 people
75 km 32000 people
50 km 18000 people
20 km 11000 people
10 km 9000 people
5 km 8700 people
2 km 1200 people

Affected Provinces

Region Province Country Population
Loreto Peru 720000 people

Affected populated places

Name Region Province Country City class Population Distance
San Juan Loreto Peru Village - 4 km
Aripari Loreto Peru Village - 6 km
Ideal Loreto Peru Village - 8 km
Patria Loreto Peru Village - 14 km
Dos de Mayo Loreto Peru Village - 15 km
Barranca Loreto Peru Village 5600 people 16 km
San José Loreto Peru Village - 17 km
Puerto Diego Ríos Loreto Peru Village - 18 km
San Ramán Loreto Peru Village - 19 km
Puerto Díaz Loreto Peru Village - 24 km
Estrella Loreto Peru Village - 30 km
Papayacu Loreto Peru Village - 30 km
San Isidro Loreto Peru Village - 32 km
Santa Bárbara Loreto Peru Village - 35 km
Santa Teresa Loreto Peru Village - 41 km
Libertad Loreto Peru Village - 45 km
Barranquita Loreto Peru Village - 56 km
Jeberos Loreto Peru Village - 57 km
Puerto América Loreto Peru Village - 57 km
Salvatierra Loreto Peru Village - 64 km
Cahuapanas Loreto Peru Village - 65 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.