M 5.5 in Peru on 20 Jan 2021 22:59 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: 5.5M
Depth: 10.36 Km
Lat/Lon: -15.0234 , -75.5146
Event Date: 20 Jan 2021 22:59 UTC
20 Jan 2021 17:59 Local
Exposed Population: Less then 100 people in MMI VII
About 91000 people within 100km
Source: NEIC us7000d1ut
Inserted at: 20 Jan 2021 23:17 UTC
INFORM Coping capacity of the alert score: 4.6 (Peru)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0.6 0.6
us7000d1ut Scaled population (raster) 1.67  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1353990 0.6 20 Jan 2021 22:59 5.5M, 10.36km 6.97 771 (in MMI>=VII) 00:17 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 ,of Ica (population 541) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
2000 people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1353990 -15.023/-75.515 5.5 10.4 5.996 20 Jan 2021 23:18 00:19 (new episode)
2 0 1353990 -15.023/-75.515 5.5 10.4 5.996 21 Jan 2021 01:02 02:03 (upd of #1)
3 0.6 1353990 -15.023/-75.515 5.5 10.4 6.967 21 Jan 2021 23:03 1d 00:03 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Ica Peru <1000 people
Ica Peru 1900 people
Ica Peru <1000 people
Ica Peru 65000 people
Arequipa Peru <1000 people
Ayacucho Peru <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Puerto Caballas Ica Peru Village - 8 km
Montegrande Ica Peru Village - 22 km
Coyungo Ica Peru Village - 32 km
Quemado Ica Peru Village - 40 km
San Nicolás Ica Peru Village - 41 km
Zamaca Ica Peru Village - 43 km
Tunga Ica Peru Village - 46 km
Changuilla Ica Peru Village - 50 km
La Yapana Ica Peru Village - 50 km
Marcona Ica Peru Village 15000 people 52 km
San Juan Ica Peru Village - 54 km
Toma Luz Ica Peru Village - 55 km
Poroma Ica Peru Village - 57 km
Callango Ica Peru Village - 62 km
El Ingenio Ayacucho Peru Village - 64 km
Palpa Ica Peru Village 5800 people 64 km
Santa Cruz Ica Peru Village - 64 km
Nazca Ica Peru Village 23000 people 65 km
Ocucaje Ica Peru Village - 76 km
El Jaguay Arequipa Peru Village - 77 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
San Juan de Marcona SJA 44 Civ. Paved No 6500 55 km
Nazca 567 Civ. Paved No 3200 62 km

Ports

Intensity Name LOCODE Country Distance
San Nicolas PESNX Peru 40 km
San Juan PESJA Peru 53 km

More information

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