M 6.3 in Chile on 11 Sep 2020 07:35 UTC

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: 6.3M
Depth: 51 Km
Lat/Lon: -21.3928 , -69.8943
Event Date: 11 Sep 2020 07:35 UTC
11 Sep 2020 04:35 Local
Exposed Population: 240000 people in MMI>=VI
About 29000 people within 100km
Source: NEIC us7000blm2
Inserted at: 11 Sep 2020 08:51 UTC
INFORM Coping capacity of the alert score: 3 (Chile)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0 0 0
us7000blm2 Scaled population (raster) 2.01 Max wave alert 0m  
  C1 shakemap -1.16 Max wave realtime 0m  
  C2 shakemap 0.54      
  Country Vulnerability 0      
  INFORM_normalised 0.75      
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
1331318 0 11 Sep 2020 07:35 6.3M, 40.37km 7 30 thousand 0m (at 00:00) 00:28 NEIC
1331329 0 11 Sep 2020 07:35 6.3M, 51km 7.21 30 thousand 0m (at 00:00) 01:15 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 ,of Tarapaca (population 350,373) . The alertlevel for this event is GREEN

Intensity Population
<1000 people
240000 people
220000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1331318 -21.382/-69.921 6.3 40.4 6.222 11 Sep 2020 07:52 00:16 (new episode)
2 0 1331318 -21.382/-69.921 6.3 40.4 7.001 11 Sep 2020 08:04 00:28 (upd of #1)
3 0 1331329 -21.393/-69.894 6.3 51.0 6.925 11 Sep 2020 08:51 01:15 (new episode)
4 0 1331329 -21.393/-69.894 6.3 51.0 6.908 11 Sep 2020 09:40 02:04 (upd of #3)
5 0 1331329 -21.393/-69.894 6.3 51.0 7.213 11 Sep 2020 21:50 14:14 (upd of #4)
6 0 1331329 -21.393/-69.894 6.3 51.0 7.213 12 Sep 2020 07:39 1d 00:03 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Tarapaca Chile <1000 people
Antofagasta Chile <1000 people
Tarapaca Chile 160000 people
Antofagasta Chile 4900 people
Tarapaca Chile 140000 people
Antofagasta Chile 160000 people
Tarapaca Chile no people
Potosi Bolivia no people
Oruro Bolivia <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Quillagua Antofagasta Chile Village - 47 km
Lagunas Tarapacá Chile Village - 51 km
Buenaventura Tarapacá Chile Village - 66 km
Aventura Antofagasta Chile Village - 71 km
Puntillas Antofagasta Chile Village - 72 km
Rica Aventura Antofagasta Chile Village - 76 km
Ojeda Antofagasta Chile Village - 80 km
Toco Antofagasta Chile Village - 81 km
Pintados Tarapacá Chile Village - 91 km
Iquique Tarapacá Chile Major city 220000 people 132 km
Tocopilla Antofagasta Chile City 24000 people 83 km
Guatacondo Tarapacá Chile Village - 95 km
Puauiro de Nunez Tarapaca Chile Village - 104 km
Matilla Tarapacá Chile Village - 112 km
Pica Tarapacá Chile Village - 118 km
Calera Tarapacá Chile Village - 125 km
Pozo Almonte Tarapacá Chile Village - 126 km
Humberstone Tarapacá Chile Village - 132 km
Chuquicamata Antofagasta Chile City - 143 km
Calama Antofagasta Chile City 140000 people 154 km
San Pedro de Atacama Antofagasta Chile Village - 242 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)
Oficina Victoria 1000 0
Barriles TOQ 975 Civ. Paved No 5300
Diego Aracena International IQQ 48 Civ. Paved Yes 10900
Maria Elena 1311 0
Canchones West 914 0
Los Condores 520 0
El Loa CJC 2318 Civ. Paved Yes 9400
San Pedro de Atacama 2418 Civ. Unpaved No 6300

Ports

Intensity Name LOCODE Country
Patillos Cove CLPTI Chile
Tocopilla CLTOQ Chile
Iquique CLIQQ Chile

More information

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