M 8.3 Earthquake and Tsunami (3.3 m) in Chile on 16 Sep 2015 22:54 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a high humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 8.3M
Depth: 25 Km
Lat/Lon: -31.5695 , -71.6543
Event Date: 16 Sep 2015 22:54 UTC
16 Sep 2015 19:54 Local
Exposed Population: 140000 people within 100km
Source: NEIC us20003k7a
Inserted at: 17 Sep 2015 00:48 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0.8 3 3
us20003k7a Scaled population (vector) Max wave scenario 0m  
  C1 earthquake Max wave realtime 3.34m  
  C2 earthquake      
  Country Vulnerability      
  INFORM_normalised      
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
1097284 1.3 16 Sep 2015 22:54 7.7M, 10km N/A 150 thousand (in 100km) 1.8m (at 00:22) 00:06 GEOFON
1097285 1.5 16 Sep 2015 22:54 7.9M, 33km N/A 120 thousand (in 100km) 2m (at 00:12) 00:08 NTWC    
1097294 2 16 Sep 2015 22:54 7.9M, 33km N/A No people affected (in 100km) 2.1m (at 00:22) 00:17 PTWC
1097296 1.3 16 Sep 2015 22:54 7.9M, 8.29km N/A 2.8 million (in MMI>=VII) 1.7m (at 00:32) 00:20 NEIC
1097301 1.7 16 Sep 2015 22:54 8.3M, 12.52km 8.28 2.8 million (in MMI>=VII) 2.4m (at 00:14) 00:29 NEIC
1097314 2.1 16 Sep 2015 22:54 8.3M, 25km 8.29 2.8 million (in MMI>=VII) 3.3m (at 01:00) 00:44 NEIC
1097344 3 16 Sep 2015 22:54 8.3M, 25km 8.37 560 thousand (in MMI>=VII) 3.3m (at 00:40) 01:53 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 Coquimbo (population 148,280) . The alertlevel for this event is Green

Intensity Population
54000 people
510000 people
730000 people
8.1 million people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1097344 -31.57/-71.654 8.3 25 8.37 17 Oct 2016 10:46 396d 11:52 (new episode)

Affected Provinces

Intensity Region Province Country Population
Coquimbo Chile 150000 people
Coquimbo Chile 370000 people
Valparaiso Chile 81000 people
Coquimbo Chile 130000 people
Valparaiso Chile 260000 people
Region Metropolitana Chile 50000 people
Atacama Chile <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Quillaicillo Coquimbo Chile Village - 19 km
Pintacura Coquimbo Chile Village - 42 km
Illapel Coquimbo Chile City 23000 people 47 km
Maitencillo Coquimbo Chile Village - 64 km
Salamanca Coquimbo Chile Village 13000 people 69 km
Cerillos Coquimbo Chile Village - 112 km
Ovalle Coquimbo Chile Village 76000 people 116 km
Pachingo Coquimbo Chile Village - 123 km
Puetro Aldea Coquimbo Chile Village - 140 km
Tongoy Coquimbo Chile Village - 147 km
Huentelauquén Coquimbo Chile Village - 12 km
Chigualoco Coquimbo Chile Village - 25 km
Canela Baja Coquimbo Chile Village - 27 km
Conchalí Coquimbo Chile Village - 38 km
Los Vilos Coquimbo Chile Village - 41 km
Matancilas Coquimbo Chile Village - 59 km
Quilimarí Valparaíso Chile Village - 63 km
Guangualí Valparaíso Chile Village - 68 km
Pama Coquimbo Chile Village - 68 km
Combarabala Coquimbo Chile Village - 76 km
Guaquen Valparaíso Chile Village - 84 km
Punitaqui Coquimbo Chile Village - 91 km
Longotoma Valparaíso Chile Village - 92 km
La Ligua Valparaíso Chile Village 25000 people 106 km
Papudo Valparaíso Chile Village - 106 km
Guatulame Coquimbo Chile Village - 108 km
Monte Patria Coquimbo Chile Village 14000 people 119 km
La Laguna Valparaíso Chile Village - 123 km
Algarrobo Coquimbo Chile Village - 130 km
El Melón Valparaíso Chile Village - 131 km
Puchuncaví Valparaíso Chile Village - 132 km
Quintero Valparaíso Chile City - 134 km
Nogales Valparaíso Chile Village - 136 km
Ritoque Valparaíso Chile Village - 140 km
Samo Alto Coquimbo Chile Village - 147 km
Guanaquero Coquimbo Chile Village - 154 km
Anda Colla Coquimbo Chile Village - 158 km
El Peñón Coquimbo Chile Village - 164 km
Coquimbo Coquimbo Chile City 160000 people 180 km
San Ramón Coquimbo Chile Village - 182 km
Las Rojas Coquimbo Chile Village - 186 km
La Marquesa Coquimbo Chile Village - 189 km
El Molle Coquimbo Chile Village - 190 km
Mundo Nuevo Valparaíso Chile Village - 68 km
Tilama Valparaíso Chile Village - 74 km
Las Palmas Valparaíso Chile Village - 86 km
Zapallar Coquimbo Chile Village - 86 km
Pedegua Valparaíso Chile Village - 104 km
Carén Coquimbo Chile Village - 116 km
Rapel Coquimbo Chile Village - 127 km
Valdivia Coquimbo Chile Village - 131 km
La Calera Valparaiso Chile Village - 142 km
Colmo Valparaiso Chile Village - 150 km
Liaillay Valparaiso Chile Village - 156 km
Los Andes Valparaíso Chile City 56000 people 172 km
Quintay Valparaíso Chile Village - 181 km
Los Vasquez Valparaíso Chile Village - 187 km
La Serena Coquimbo Chile City 150000 people 189 km
Islón Coquimbo Chile Village - 190 km
El Tamba Coquimbo Chile Village - 191 km
Vicuña Coquimbo Chile Village 24000 people 193 km
Casablanca Regíon Metropolitana Chile Village - 196 km
Algarrobo Valparaíso Chile Village - 199 km
Batuco Región Metropolitana Chile Village - 202 km
El Quisco Valparaíso Chile Village - 203 km
El Tabo Valparaiso Chile Village - 208 km
Condoriaco Coquimbo Chile Village - 222 km
Almirante Latorre Coquimbo Chile Village - 225 km
Choros Bajos Coquimbo Chile Village - 255 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
Auco 431 0 52 km
Santa Rosa de Tabali 239 0 102 km
Quintero 5 Civ. Paved Yes 3900 136 km
Ovalle OVL unknown 0 137 km
Las Tacas 43 0 166 km
San Rafael LOB 750 Civ. Unpaved No 3400 168 km
La Florida LSC 146 Civ. Paved Yes 6300 188 km
Huancara 598 0 192 km

Ports

Intensity Name LOCODE Country Distance
Los Vilos CLLOS Chile 40 km
Papudo Chile 105 km
Quintero CLQTV Chile 135 km
Guayacan CLGYC Chile 181 km
Coquimbo CLCQQ Chile 181 km

Dams

Intensity Reservoir Dam Name River Year Distance
Cogoti Cogoti Huatulame 1939 82 km
Paloma Paloma Grande 1967 113 km
Recoleta Recoleta Hurtado 1934 131 km

More information

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