M 6.8 in Ecuador on 18 Mar 2023 17:12 UTC

Hazard models

Rapid Impact
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: 6.8M
Depth: 66.421 Km
Lat/Lon: -2.8273 , -79.862799999999993
Event Date: 18 Mar 2023 17:12 UTC
18 Mar 2023 12:12 Local
Exposed Population: 650 thousand (in MMI>=VII)
Source: NEIC us7000jl3s
Inserted at: 18 Mar 2023 17:51 UTC
INFORM Coping capacity of the alert score: 4.3 (Ecuador)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 2.7 0 2.7
us7000jl3s Scaled population (raster) 6.46 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.85      
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
1496194 2.1 18 Mar 2023 17:12 6.9M, 75km 7.16 620 thousand (in 100km) 0m (at 00:00) 00:08 PTWC
1496199 1.6 18 Mar 2023 17:12 6.7M, 65.652km 6.8 110 thousand (in MMI>=VII) 0m (at 00:00) 00:16 NEIC
1496206 2.7 18 Mar 2023 17:12 6.8M, 66.421km 7.11 650 thousand (in MMI>=VII) 0m (at 00:00) 00:38 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 Ecuador ,of Guayas (population 2,762,596) . The alertlevel for this event is RED

Intensity Population
650000 people
4.3 million people
2.3 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 1.6 1496199 -79.8/-2.851 6.7 65.7 6.802 18 Mar 2023 17:35 00:22 (new episode)
2 2.4 1496206 -79.8/-2.851 6.7 65.7 7.071 18 Mar 2023 17:57 00:44 (new episode)
3 2.9 1496206 -79.863/-2.827 6.8 66.4 7.166 18 Mar 2023 18:07 00:55 (upd of #2)
4 2.9 1496206 -79.863/-2.827 6.8 66.4 7.155 18 Mar 2023 19:19 02:06 (upd of #3)
5 2.8 1496206 -79.844/-2.837 6.8 65.8 7.14 18 Mar 2023 19:36 02:23 (upd of #4)
6 2.7 1496206 -79.844/-2.837 6.8 65.8 7.111 19 Mar 2023 17:40 1d 00:27 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Guayas Ecuador 130000 people
Azuay Ecuador 25000 people
El Oro Ecuador 500000 people
Canar Ecuador <1000 people
Guayas Ecuador 3 million people
Azuay Ecuador 350000 people
El Oro Ecuador 140000 people
Canar Ecuador 110000 people
Loja Ecuador 4500 people
Tumbes Peru 200000 people
Los Rios Ecuador 43000 people
Chimborazo Ecuador 4000 people
Bolivar Ecuador no people
Zamora-Chinchipe Ecuador no people
Guayas Ecuador 560000 people
Azuay Ecuador 430000 people
El Oro Ecuador 29000 people
Canar Ecuador 150000 people
Loja Ecuador 380000 people
Tumbes Peru 27000 people
Los Rios Ecuador 450000 people
Chimborazo Ecuador 130000 people
Bolivar Ecuador 99000 people
Zamora-Chinchipe Ecuador 31000 people
Morona-Santiago Ecuador 36000 people
Manabi Ecuador 60000 people
Piura Peru 2300 people
Zamora-Chinchipe Ecuador 8100 people
Morona-Santiago Ecuador <1000 people
Manabi Ecuador <1000 people
Piura Peru 8900 people
Amazonas Peru 2000 people
Tungurahua Ecuador 1800 people
Cotopaxi Ecuador 23000 people
Loreto Peru no people
Cajamarca Peru 8800 people
Pastaza Ecuador <1000 people
Pichincha Ecuador <1000 people
Napo Ecuador <1000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
El Tabor Guayas Ecuador Village - 10 km
Soledad Guayas Ecuador Village - 18 km
Balao Guayas Ecuador Village 12000 people 20 km
Gala de Arriba Guayas Ecuador Village - 25 km
Puerto Buenavista Guayas Ecuador Village - 25 km
Hacienda El Triunfo Guayas Ecuador Village - 26 km
Aguapiedra Guayas Ecuador Village - 28 km
San Miguel Guayas Ecuador Village - 28 km
Camilo Ponce Enríquez Azuay Ecuador Village - 29 km
Campo Alegre Guayas Ecuador Village - 31 km
Victoria Azuay Ecuador Village - 31 km
Naranjal Guayas Ecuador Village 32000 people 32 km
Tendales El Oro Ecuador Village - 33 km
Pagua El Oro Ecuador Village - 33 km
Salinas Guayas Ecuador Village - 34 km
El Paraíso El Oro Ecuador Village - 35 km
Subida Alta Guayas Ecuador Village - 41 km
San Carlos Guayas Ecuador Village - 44 km
Posorja Guayas Ecuador Village - 45 km
El Guabo El Oro Ecuador Village - 46 km
Machala El Oro Ecuador City 200000 people 50 km
Data Guayas Ecuador Village - 50 km
Union Colombiana El Oro Ecuador Village - 51 km
Jesús María Guayas Ecuador Village - 55 km
Sabana Grande Guayas Ecuador Village - 55 km
Pasaje El Oro Ecuador Village 45000 people 55 km
Santa Rosa El Oro Ecuador Village 41000 people 70 km
San Antonio El Oro Ecuador Village - 77 km
Chacras El Oro Ecuador Village - 84 km
Naranjos Azuay Ecuador Village - 50 km
Santa Marta Azuay Ecuador Village - 51 km
Zapallo Loma Azuay Ecuador Village - 53 km
Recreo Guayas Ecuador Village - 59 km
San Miguel Guayas Ecuador Village - 61 km
Safando Guayas Ecuador Village - 61 km
El Mate Guayas Ecuador Village - 62 km
Mercedes Guayas Ecuador Village - 63 km
Las Huacas El Oro Ecuador Village - 65 km
Shagli Azuay Ecuador Village - 66 km
Vainilla Guayas Ecuador Village - 66 km
San Antonio Guayas Ecuador Village - 67 km
Tauro Guayas Ecuador Village - 69 km
Cedropamba Cañar Ecuador Village - 69 km
Guayaquil Guayas Ecuador Major city 1.9 million people 69 km
Daligshi El Oro Ecuador Village - 69 km
Chongoncito Guayas Ecuador Village - 70 km
Tamarindo Guayas Ecuador Village - 71 km
San Francisco El Oro Ecuador Village - 72 km
Alfaro Guayas Ecuador Village - 72 km
Tembleque El Oro Ecuador Village - 73 km
Gómez Rendón Guayas Ecuador Village - 73 km
Chalcalo Azuay Ecuador Village - 74 km
Calvario El Oro Ecuador Village - 74 km
Rumiurco Azuay Ecuador Village - 74 km
Engabao Guayas Ecuador Village - 75 km
M.J. Calle Guayas Ecuador Village - 75 km
Salinas El Oro Ecuador Village - 75 km
La Troncal Canar Ecuador Village 36000 people 75 km
Manzano Azuay Ecuador Village - 77 km
Chilla El Oro Ecuador Village - 78 km
Avanzada El Oro Ecuador Village - 79 km
Huiroguaico Azuay Ecuador Village - 79 km
Santa Isabel Loja Ecuador Village - 81 km
Sitio Córdova Guayas Ecuador Village - 81 km
Guanazán El Oro Ecuador Village - 82 km
Curiloma Azuay Ecuador Village - 82 km
Boliche Guayas Ecuador City - 83 km
Yaguachi Guayas Ecuador Village 28000 people 84 km
Pascuales Guayas Ecuador Village - 84 km
G. Muñoz Guayas Ecuador Village - 85 km
Piedras Verdes El Oro Ecuador Village - 86 km
José Real Guayas Ecuador Village - 87 km
Enganga Guayas Ecuador Village - 88 km
Girón Azuay Ecuador Village - 88 km
Zarumilla Tumbes Peru Village 17000 people 88 km
Zacachun Guayas Ecuador Village - 89 km
Playas El Oro Ecuador Village - 89 km
Mariscal Sucre Guayas Ecuador Village - 90 km
Piedras El Oro Ecuador Village - 90 km
Colegio Azuay Ecuador Village - 93 km
Victoria Guayas Ecuador Village - 94 km
El Burro Azuay Ecuador Village - 94 km
Capone Guayas Ecuador Village - 94 km
Guangala Guayas Ecuador Village - 94 km
Cuenca Azuay Ecuador City 280000 people 95 km
Zapotal Guayas Ecuador Village - 96 km
Pueblo Nuevo Tumbes Peru Village - 96 km
Tamarindo Guayas Ecuador Village - 97 km
Lorenzo de Garaicoa Guayas Ecuador Village - 97 km
Palmales El Oro Ecuador Village - 98 km
Zaruma El Oro Ecuador Village 12000 people 100 km
San Rafael Guayas Ecuador Village - 100 km
Matagalo Tumbes Peru Village - 101 km
San Luis Guayas Ecuador Village - 101 km
Pinas El Oro Ecuador Village 14000 people 102 km
El Bunque El Oro Ecuador Village - 102 km
Canduy Guayas Ecuador Village - 102 km
Nobol Guayas Ecuador Village - 102 km
Azúcar Guayas Ecuador Village - 102 km
Engullima Guayas Ecuador Village - 103 km
Bucay Chimborazo Ecuador Village - 103 km
Targuarcocha El Oro Ecuador Village - 103 km
San Juan Cañar Ecuador Village - 103 km
Tumbes Tumbes Peru City 110000 people 105 km
Marcabelí El Oro Ecuador Village - 106 km
Cochapata Azuay Ecuador Village - 107 km
Victoria Bolívar Ecuador Village - 107 km
Uculoma Cañar Ecuador Village - 107 km
Daule Guayas Ecuador Village 48000 people 107 km
Arenillas El Oro Ecuador Village 16000 people 108 km
Lomas de Sargentillo Guayas Ecuador Village 7500 people 108 km
Tacural Tumbes Peru Village - 108 km
Baquerizo Moreno Guayas Ecuador Village - 109 km
Corrales Tumbes Peru Village - 110 km
Río Verde Guayas Ecuador Village - 110 km
Isidro Ayora Guayas Ecuador Village - 110 km
Bocana Guayas Ecuador Village - 111 km
San Vicente Guayas Ecuador Village - 112 km
Negrital Tumbes Peru Village - 114 km
Manú Loja Ecuador Village - 88 km
Purín Azuay Ecuador Village - 93 km
Lluzhapa Loja Ecuador Village - 94 km
El Bosque El Oro Ecuador Village - 95 km
San Luis Azuay Ecuador Village - 95 km
Patagrande El Oro Ecuador Village - 96 km
Chontamarca Cañar Ecuador Village - 96 km
Selva Alegre Loja Ecuador Village - 99 km
Tispa Azuay Ecuador Village - 99 km
General Morales Cañar Ecuador Village - 105 km
Cañar Cañar Ecuador Village 12000 people 105 km
Capilla Mauta Azuay Ecuador Village - 106 km
Percadil Azuay Ecuador Village - 106 km
Blanco Macas Azuay Ecuador Village - 107 km
Pillangal Loja Ecuador Village - 107 km
Chaupihacienda Azuay Ecuador Village - 108 km
San Antonio de Cumbe Loja Ecuador Village - 108 km
Curtincapa El Oro Ecuador Village - 109 km
San José de Raranga Azuay Ecuador Village - 109 km
San Nicolás Cañar Ecuador Village - 109 km
Biblián Cañar Ecuador Village - 109 km
Las Balsas Guayas Ecuador Village - 110 km
Llagos Chimborazo Ecuador Village - 111 km
La Esperanza Azuay Ecuador Village - 112 km
Saraguro Loja Ecuador Village - 112 km
Urdaneta Loja Ecuador Village - 113 km
Aguada Guayas Ecuador Village - 113 km
Azogues Cañar Ecuador City 34000 people 114 km
Ingapirca Cañar Ecuador Village - 114 km
Baños Guayas Ecuador Village - 115 km
Santo Tomás Guayas Ecuador Village - 115 km
Potosí Guayas Ecuador Village - 116 km
Buenavista Loja Ecuador Village - 117 km
Guale Loja Ecuador Village - 118 km
Pita Los Ríos Ecuador Village - 118 km
Puesto Puyango El Oro Ecuador Village - 118 km
Chaguarpamba Loja Ecuador Village - 119 km
Orianga Loja Ecuador Village - 119 km
Pedro Carbo Guayas Ecuador Village 23000 people 120 km
Bajada de Colonche Guayas Ecuador Village - 120 km
Babahoyo Los Ríos Ecuador Village 76000 people 120 km
Puebloviejo Loja Ecuador Village 10000 people 120 km
Chunchi Chimborazo Ecuador Village - 121 km
Sigsig Azuay Ecuador Village - 121 km
Miniatura Guayas Ecuador Village - 121 km
Gualaceo Azuay Ecuador Village 17000 people 122 km
Potrero de la Virgen Guayas Ecuador Village - 123 km
Cisne Loja Ecuador Village - 123 km
Paute Azuay Ecuador Village - 123 km
Salanguillo Guayas Ecuador Village - 123 km
Santa Lucía Guayas Ecuador Village - 124 km
San Geronimo Guayas Ecuador Village - 124 km
Olmedo Loja Ecuador Village - 125 km
Prosperidad Guayas Ecuador Village - 126 km
Zamba Loja Ecuador Village - 126 km
Cangrejo Guayas Ecuador Village - 126 km
Chuquiribamba Loja Ecuador Village - 126 km
Colonche Guayas Ecuador Village - 126 km
Puesto Murciélago Tumbes Peru Village - 127 km
Montehuaico Loja Ecuador Village - 127 km
La Libertad Guayas Ecuador Village 75000 people 127 km
Cangonamá Loja Ecuador Village - 127 km
Montalvo Los Ríos Ecuador Village 15000 people 128 km
Multitud Chimborazo Ecuador Village - 128 km
Parig Azuay Ecuador Village - 128 km
Zorritos Tumbes Peru Village 12000 people 128 km
Carmelo Loja Ecuador Village - 129 km
San Antonio Loja Ecuador Village - 129 km
El Carmen Guayas Ecuador Village - 130 km
Sevilla Chimborazo Ecuador Village - 130 km
Río Seco Guayas Ecuador Village - 130 km
Alusaca Loja Ecuador Village - 131 km
Ayangue Guayas Ecuador Village - 131 km
Veracruz Loja Ecuador Village - 131 km
Santa Elena Guayas Ecuador Village 42000 people 131 km
Antonio Sotomayor Los Ríos Ecuador Village - 131 km
El Limo Loja Ecuador Village - 132 km
San Pedro Loja Ecuador Village - 132 km
Taday Cañar Ecuador Village - 133 km
Chillanes Bolívar Ecuador Village - 133 km
Alamor Loja Ecuador Village 6300 people 133 km
Cruz de Guanábano Guayas Ecuador Village - 133 km
Alausí Chimborazo Ecuador Village 8900 people 133 km
Riofrio Loja Ecuador Village - 133 km
Pucala Loja Ecuador Village - 135 km
Urcuchagra Azuay Ecuador Village - 135 km
Pozuelos Los Ríos Ecuador Village - 135 km
El Apretadero Loja Ecuador Village - 135 km
Merella Los Ríos Ecuador Village - 135 km
Amazonas Morona-Santiago Ecuador Village - 136 km
Limón Los Ríos Ecuador Village - 136 km
Pallatanga Chimborazo Ecuador Village - 136 km
San Pedro Guayas Ecuador Village - 136 km
Manglar Alto Guayas Ecuador Village - 137 km
Achupallas Chimborazo Ecuador Village - 137 km
R. Crespo Toral Morona-Santiago Ecuador Village - 137 km
Catacocha Loja Ecuador Village 11000 people 137 km
San Clemente Los Ríos Ecuador Village - 137 km
San Antonio de Canelos Zamora-Chinchipe Ecuador Village - 138 km
Pindilig Cañar Ecuador Village - 138 km
Zumba Zamora-Chinchipe Ecuador Village - 240 km
El Chorro Zamora-Chinchipe Ecuador Village - 246 km
Chemulque Piura Peru Village - 246 km
Pambarumbe Piura Peru Village - 251 km
Ayuy Morona-Santiago Ecuador Village - 267 km
Tutaguana Playa Pastaza Ecuador Village - 282 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
Maragrosa 5 0 7 km
Guabital 8 0 21 km
La Mina 4 0 42 km
Posorja 5 0 46 km
General Serrano MCH 4 Civ. Paved Yes 5400 50 km
Banasur 9 0 57 km
Victor Larrea 52 Civ. Paved No 3400 68 km
Taura 17 0 68 km
La Puntilla 14 0 68 km
Simon Bolivar International GYE 5 Civ. Paved Yes 8000 74 km
La Carolina 23 0 77 km
San Carlos 30 0 87 km
Pedro Canga TBP 25 Civ. Unpaved Yes 8200 99 km
Mariscal Lamar CUE 2530 Civ. Paved Yes 6200 98 km
Martinica 27 0 123 km
Hacienda la Julia 15 0 129 km
Babahoyo North 17 0 129 km
La Clementina 100 0 135 km
Ayangue 5 0 136 km
Loja LOH unknown 0 140 km
Camilo Ponce Enriquez 1238 Civ. Paved No 6500 141 km
General Ulpiano Paez SNC 4 Mil. Paved Yes 7900 143 km
Loma Larga 64 0 153 km
Gualaquiza 1000 Civ. Paved No 6800 159 km
Huancabamba 1918 Civ. Unpaved No 3600 273 km

Ports

Intensity Name LOCODE Country Distance
Puna ECPUN Ecuador 9 km
Puerto Bolivar ECPBO Ecuador 48 km
Prtmaritimo Ecuador 60 km
Guayaquil ECGYE Ecuador 69 km
Duran ECDUN Ecuador 71 km
Zorritos PEZOR Peru 128 km
Salinas ECSNC Ecuador 129 km
La Libertad ECLLD Ecuador 134 km

Dams

Intensity Reservoir Dam Name River Year Distance
Tahuin Arenillas 1988 90 km

More information

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