M 6.4 in Argentina on 19 Jan 2021 02:46 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

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

Earthquake Magnitude: 6.4M
Depth: 20 Km
Lat/Lon: -31.8184 , -68.8473
Event Date: 19 Jan 2021 02:46 UTC
18 Jan 2021 23:46 Local
Exposed Population: 150000 people in MMI
750000 people within 100km
Source: NEIC us7000d18q
Inserted at: 19 Jan 2021 03:30 UTC
INFORM Coping capacity of the alert score: 3.7 (Argentina)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 1.2 1.2
us7000d18q Scaled population (raster) 4.03  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.83  
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
1353646 1.2 19 Jan 2021 02:46 6.6M, 10km N/A 860 thousand (in 100km) 00:08 PTWC
1353647 1 19 Jan 2021 02:46 6.6M, 11km N/A 1.1 million (in 100km) 00:09 NTWC
1353649 0 19 Jan 2021 02:46 6.4M, 14.3km 6.41 N/A (in MMI>=VII) 00:17 NEIC
1353652 1.2 19 Jan 2021 02:46 6.4M, 20km 7.16 160 thousand (in MMI>=VII) 00:43 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 Argentina ,of San Juan (population 2,272) . The alertlevel for this event is ORANGE

Intensity Population
160000 people
470000 people
280000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1353649 -31.837/-68.813 6.4 14.3 6.413 19 Jan 2021 03:07 00:20 (new episode)
2 0.2 1353652 -31.818/-68.847 6.4 20.0 6.823 19 Jan 2021 04:11 01:25 (new episode)
3 0.3 1353652 -31.818/-68.847 6.4 20.0 6.885 19 Jan 2021 04:52 02:06 (upd of #2)
4 0.6 1353652 -31.823/-68.818 6.4 20.0 6.928 20 Jan 2021 00:21 21:35 (upd of #3)
5 1.2 1353652 -31.823/-68.818 6.4 20.0 7.157 20 Jan 2021 02:52 1d 00:06 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
San Juan Argentina 2300 people
San Juan Argentina 630000 people
Mendoza Argentina 8700 people
San Juan Argentina 17000 people
Mendoza Argentina 52000 people
San Juan Argentina 89000 people
Mendoza Argentina 1.6 million people
Coquimbo Chile 14000 people
San Luis Argentina 12000 people
Valparaiso Chile 200000 people
La Rioja Argentina 20000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Berros San Juan Argentina Village - 23 km
Carpintería San Juan Argentina Village - 28 km
Aberastain San Juan Argentina Village - 32 km
Cañada Honda San Juan Argentina Village - 34 km
Rivadavia San Juan Argentina Village - 35 km
Guanacache San Juan Argentina Village - 37 km
Marquesado San Juan Argentina Village - 39 km
Retamito San Juan Argentina Village - 40 km
San Juan San Juan Argentina City 440000 people 44 km
Media Agua San Juan Argentina Village - 44 km
Santa Lucía San Juan Argentina Village - 46 km
Las Casuarinas San Juan Argentina Village - 50 km
Villa Santa Rosa San Juan Argentina Village - 50 km
Alto de Sierra San Juan Argentina Village - 51 km
Albardón San Juan Argentina Village - 53 km
Caucete San Juan Argentina Village - 57 km
Las Lomitas San Juan Argentina Village - 58 km
Ramblón San Juan Argentina Village - 59 km
Villa del Salvador San Juan Argentina Village - 59 km
Puntilla Blanca San Juan Argentina Village - 59 km
Pie de Palo San Juan Argentina Village - 62 km
Villa Pituil San Juan Argentina Village - 62 km
Matagusanos San Juan Argentina Village - 67 km
Tamberías San Juan Argentina Village - 67 km
Talacasto San Juan Argentina Village - 81 km
Vallecito San Juan Argentina Village - 82 km
Jacoli Mendoza Argentina Village - 87 km
Calingasta San Juan Argentina Village - 75 km
Termas Villavicencio Mendoza Argentina Village - 79 km
Uspallata Mendoza Argentina Village - 98 km
Villa Nuevo San Juan Argentina Village - 103 km
Tulumaya Mendoza Argentina Village - 104 km
Estación Uspallata Mendoza Argentina Village - 107 km
Ingeniero Gustavo André Mendoza Argentina Village - 111 km
Costa de Araujo Mendoza Argentina Village - 114 km
Las Heras Mendoza Argentina Village - 114 km
Nueva California Mendoza Argentina Village - 116 km
Bermejo San Juan Argentina Village - 116 km
Villa Nueva Mendoza Argentina Village - 120 km
Mendoza Mendoza Argentina Major city 880000 people 120 km
Adán Quiroga San Juan Argentina Village - 122 km
Godoy Cruz Mendoza Argentina City - 123 km
Puebolo Nuevo Mendoza Argentina Village - 125 km
Maipú Mendoza Argentina Village - 129 km
Potrerillos Mendoza Argentina Village - 130 km
Polvaredas Mendoza Argentina Village - 132 km
Fray L. Beltrán Mendoza Argentina Village - 133 km
Mogna San Juan Argentina Village - 133 km
Cruz de Piedra Mendoza Argentina Village - 135 km
Luján Mendoza Argentina Village 70000 people 135 km
Tucunuco San Juan Argentina Village - 137 km
Cacheuta Mendoza Argentina Village - 137 km
Los Erizos San Juan Argentina Village - 138 km
Palmira Mendoza Argentina City - 139 km
Perdrel Mendoza Argentina Village - 140 km
Punta de Vacas Mendoza Argentina Village - 143 km
Peña Mendoza Argentina Village - 143 km
San Martín Mendoza Argentina City 94000 people 144 km
Agrelo Mendoza Argentina Village - 144 km
Marayes San Juan Argentina Village - 147 km
Puente del Inca Mendoza Argentina Village - 150 km
Junín Mendoza Argentina Village - 151 km
Medrano Mendoza Argentina Village - 152 km
Pirca Las Juntas San Juan Argentina Village - 153 km
Niquivil Viejo San Juan Argentina Village - 154 km
Alto Verde Mendoza Argentina Village - 155 km
Rivadavia Mendoza Argentina City 64000 people 156 km
Ugarteche Mendoza Argentina Village - 157 km
Niquivil San Juan Argentina Village - 157 km
Eva Perón Mendoza Argentina Village - 158 km
Iglesia San Juan Argentina Village - 160 km
Las Varillas San Juan Argentina Village - 160 km
El Carrizal de Abajo Mendoza Argentina Village - 164 km
San José Mendoza Argentina Village - 167 km
Anchoris Mendoza Argentina Village - 168 km
Cuncumén Coquimbo Chile Village - 168 km
Las Flores San Juan Argentina Village - 169 km
Villa Bastía Mendoza Argentina Village - 170 km
Chucuma San Juan Argentina Village - 171 km
Santa Rosa Mendoza Argentina Village - 172 km
San José de Jáchal San Juan Argentina Village - 174 km
Tupungato Mendoza Argentina Village - 175 km
Punta del Agua San Juan Argentina Village - 176 km
Las Catitas Mendoza Argentina Village - 180 km
Rodeo San Juan Argentina Village - 180 km
Zapallar Coquimbo Chile Village - 182 km
Mascasín La Rioja Argentina Village - 183 km
Tudcum San Juan Argentina Village - 184 km
Colonia Sur Mendoza Argentina Village - 184 km
Villa Mercedes San Juan Argentina Village - 186 km
San Agustin del Valle Fertil San Juan Argentina Village - 187 km
Las Ramadas Coquimbo Chile Village - 187 km
Huaco San Juan Argentina Village - 187 km
La Dormida Mendoza Argentina Village - 190 km
Villa Seca Mendoza Argentina Village - 196 km
Tunuyán Mendoza Argentina Village - 197 km
Los Andes Valparaíso Chile City 56000 people 199 km
San Felipe Valparaíso Chile City 58000 people 204 km
San Antonio San Luis Argentina Village - 205 km
Vista Flores Mendoza Argentina Village - 206 km
Los Casitas San Juan Argentina Village - 210 km
Campo Los Andes Mendoza Argentina Village - 212 km
La Consulta Mendoza Argentina Village - 215 km
Combarabala Coquimbo Chile Village - 216 km
San Carlos Mendoza Argentina Village - 217 km
Pama Coquimbo Chile Village - 218 km
La Paz Mendoza Argentina Village - 219 km
E. Bustos Mendoza Argentina Village - 219 km
Chepes La Rioja Argentina Village - 221 km
Chilecito Mendoza Argentina Village - 229 km
Pareditas Mendoza Argentina Village - 236 km
Desaguadero Mendoza Argentina Village - 237 km
San Pedro San Luis Argentina Village - 240 km
Villa General Roca San Luis Argentina Village - 245 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 Aeroclub 634 0 37 km
San Juan UAQ 597 Civ. Paved Yes 8000 49 km
La Laja 650 0 63 km
El Plumerillo MDZ 706 Civ. Paved Yes 9800 113 km
Aeroparque Ciudad Mendoza 807 Civ. Paved No 3900 116 km
La Puntilla 830 0 127 km
Rivadavia 659 0 161 km
San Rafael LOB 750 Civ. Unpaved No 3400 202 km
Victor Lafon SSD 658 Civ. Unpaved No 3700 203 km
La Consulta 1050 0 214 km

Dams

Intensity Reservoir Dam Name River Year Distance
Quebrada de Ullum San Juan 1981 43 km
Potrerillos Potrerillos Mendoza n/a 133 km
El Carrizal Tunuyan 1972 165 km

More information

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