M 5.3 in Puerto Rico from 17 Dec 2011 06:06 UTC to 06:09
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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 5.3M
Depth: 23.2 Km
Lat/Lon: 18.1256 , -67.3027
Event Date: 17 Dec 2011 06:09 UTC
17 Dec 2011 02:09 Local
Exposed Population:
1500000 people within 100km
Source: NEIC pr11351000
Inserted at: 17 Dec 2011 06:33 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
pr11351000 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
113687 0.5 17 Dec 2011 06:06 5M, 12km N/A 1.5 million (in 100km) 00:04 NEIC
113688 0.5 17 Dec 2011 06:06 5.1M, 15km N/A 1.4 million (in 100km) 00:15 NEIC
113689 0.5 17 Dec 2011 06:09 5.3M, 23.2km N/A 1.5 million (in 100km) 00:24 NEIC
113693 0.5 17 Dec 2011 06:09 5.3M, 17km N/A 1.4 million (in 100km) 12:50 NEIC
113694 0.5 17 Dec 2011 06:06 5.1M, 14km N/A 1.4 million (in 100km) 12:52 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 Puerto Rico , District of Mayag?ez. The nearest places are Belvedere, Conde Avila, Cornelia, Guaniquilla, Delicias, Guanajibo Castillo, Cerrillos, Brisas de Mal, Cabo Rojo, Boqueron, and Tuque.

Radius Population
100 km 1.3 million people
75 km 960000 people
50 km 570000 people
20 km 110000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Mayag?ez Puerto Rico -
Aguadilla Puerto Rico -

Affected populated places

Name Region Province Country City class Population Distance
Belvedere Cabo Rojo Puerto Rico Village - 13 km
Conde Avila Cabo Rojo Puerto Rico Village - 14 km
Cornelia Cabo Rojo Puerto Rico Village - 14 km
Guaniquilla Cabo Rojo Puerto Rico Village - 15 km
Delicias Cabo Rojo Puerto Rico Village - 16 km
Guanajibo Castillo Mayaguez Puerto Rico Village - 16 km
Cerrillos Cabo Rojo Puerto Rico Village - 16 km
Brisas de Mal Mayaguez Puerto Rico Village - 17 km
Cabo Rojo Cabo Rojo Puerto Rico Village 11000 people 17 km
Boqueron Cabo Rojo Puerto Rico Village 2000 people 18 km
Cuesta de las Piedras Mayaguez Puerto Rico Village - 18 km
Hacienda La Ratina Cabo Rojo Puerto Rico Village - 19 km
Mayagnez Mayaguez Puerto Rico Village 79000 people 19 km
Malecon Mayaguez Puerto Rico Village - 19 km
El Combate Cabo Rojo Puerto Rico Village - 19 km
Mani Mayaguez Puerto Rico Village - 19 km
Hormigueros Hormigueros Puerto Rico Village 12000 people 19 km
Villa Benni Mayaguez Puerto Rico Village - 20 km
Betances Cabo Rojo Puerto Rico Village <1000 people 20 km
Pole Ojea Cabo Rojo Puerto Rico Village 1800 people 20 km
Margarita Cabo Rojo Puerto Rico Village - 21 km
Ponce de Leon Mayaguez Puerto Rico Village - 21 km
El Brujo Cabo Rojo Puerto Rico Village - 22 km
La Tosca Anasco Puerto Rico Village - 22 km
La Playa Anasco Puerto Rico Village 2100 people 22 km
La Soledad Mayaguez Puerto Rico Village - 22 km
Hacienda Julia Hormigueros Puerto Rico Village - 22 km
Centro Calvache Rincon Puerto Rico Village - 22 km
Llanos Lajas Puerto Rico Village - 23 km
Colonia Dolores Mayaguez Puerto Rico Village - 23 km
Guanabana Cabo Rojo Puerto Rico Village - 23 km
Sabana Eneas San German Puerto Rico Village 1800 people 23 km
Rosario San German Puerto Rico Village - 24 km
Rojo Cabo Cabo Rojo Puerto Rico Village - 24 km
San Agustin San German Puerto Rico Village - 24 km
Hacienda Constanza Mayaguez Puerto Rico Village - 24 km
Aquilino Anasco Puerto Rico Village - 24 km
Rincon Rincon Puerto Rico Village - 24 km
Anasco Anasco Puerto Rico Village 5900 people 25 km
Palmarejo Lajas Puerto Rico Village 1200 people 26 km
Espino Anasco Puerto Rico Village 1400 people 26 km
Finca La Corza Mayaguez Puerto Rico Village - 26 km
Maguayo Lajas Puerto Rico Village - 26 km
Coto San German Puerto Rico Village - 27 km
Finca San Miguel Anasco Puerto Rico Village - 27 km
Centro Puntas Rincon Puerto Rico Village - 27 km
Lajas Lajas Puerto Rico Village 5000 people 27 km
Hacienda Morales Anasco Puerto Rico Village - 27 km
Hacienda Luisa Lajas Puerto Rico Village - 28 km
San German San German Puerto Rico Village 12000 people 28 km
Matias Aguada Puerto Rico Village - 28 km
Hacienda Veremos Mayaguez Puerto Rico Village - 29 km
Las Vegas Mayaguez Puerto Rico Village - 29 km
Hacienda Lamberti Anasco Puerto Rico Village - 29 km
Finca Juanita Lajas Puerto Rico Village - 30 km
Las Corozas Aguada Puerto Rico Village - 30 km
Hacienda Corcega San German Puerto Rico Village - 30 km
Luyando Aguada Puerto Rico Village 3600 people 30 km
Consumo Las Marias Puerto Rico Village - 30 km
Hacienda Beatriz Soledad Lajas Puerto Rico Village - 30 km
San Ramon San German Puerto Rico Village - 31 km
Aguada Aguada Puerto Rico Village 3900 people 31 km
La Parguera Lajas Puerto Rico Village 1100 people 32 km
Coloso Aguada Puerto Rico Village - 32 km
Campamento Buena Vista San German Puerto Rico Village - 33 km
Hacienda Juanita Las Marias Puerto Rico Village - 33 km
Hacienda La Milagrosa Las Marias Puerto Rico Village - 33 km
Hacienda Delicias Las Marias Puerto Rico Village - 34 km
Isleta Moca Puerto Rico Village - 34 km
Maricao Maricao Puerto Rico Village 1100 people 35 km
Victoria Aguadilla Puerto Rico Village - 35 km
Campamento Santana Sabana Grande Puerto Rico Village - 35 km
La Parada San Sebastian Puerto Rico Village - 36 km
Sabana Grande Sabana Grande Puerto Rico Village 8800 people 36 km
Moca Moca Puerto Rico Village 4800 people 36 km
Hacienda Teresa Maricao Puerto Rico Village - 36 km
Las Marias Las Marias Puerto Rico Village - 36 km
La Pica Sabana Grande Puerto Rico Village - 37 km
Aguadilla Aguadilla Puerto Rico Village 17000 people 38 km
Capa Moca Puerto Rico Village - 38 km
Hato Arriba San Sebastian Puerto Rico Village <1000 people 38 km
Liborio Negron Torres Sabana Grande Puerto Rico Village - 39 km
Hacienda Constancia Las Marias Puerto Rico Village - 39 km
Hacienda Buena Vista Las Marias Puerto Rico Village - 39 km
Caban Aguadilla Puerto Rico Village - 40 km
Perchas San Sebastian Puerto Rico Village - 40 km
Machuchal Sabana Grande Puerto Rico Village - 40 km
Hacienda Manuela Maricao Puerto Rico Village - 41 km
Corrales Aguadilla Puerto Rico Village - 41 km
San Sebastian San Sebastian Puerto Rico Village 12000 people 41 km
Camaceyes Aguadilla Puerto Rico Village - 41 km
Hacienda Esperanza Maricao Puerto Rico Village - 41 km
Ensenada Guanica Puerto Rico Village - 42 km
Campamento Susua Yauco Puerto Rico Village - 42 km
Hacienda San Pedro San Sebastian Puerto Rico Village - 42 km
Hacienda Espino Las Marias Puerto Rico Village - 43 km
Lluveras Sabana Grande Puerto Rico Village 2000 people 43 km
Aceitunas Moca Puerto Rico Village 1700 people 43 km
Fuig Guanica Puerto Rico Village 1200 people 44 km
Hacienda Llanada Maricao Puerto Rico Village - 44 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Sabalos Ward 10 0 17 km
Boqueron 1 0 21 km
Cullingford Field 4 0 22 km
Eugenio Maria de Hostos MAZ 9 Civ. Paved Yes 4900 22 km
Lajas Airpark 9 0 27 km
Baxter-San German 64 0 29 km
Parguera 10 0 32 km
Labadie 137 0 44 km
Borinquen BQN 72 Civ. Paved Yes 11700 45 km
Orama-Layuya 446 0 72 km
Antonio Nery Juarbe Pol ARE 7 0 75 km
Mercedita PSE 9 Civ. Paved Yes 6900 79 km
Fort Allen 6 0 85 km
Orocovis Health Center 523 0 97 km
Santa Isabel 8 0 98 km

Ports

Name LOCODE Country Distance
Mayaguez PRMAZ Puerto Rico 18 km
Aguadilla PRBQN Puerto Rico 37 km
Guanica Harbour PRGUX Puerto Rico 48 km
Guayanilla PRGUY Puerto Rico 59 km
Mona Island PROIS Puerto Rico 64 km
Ponce PRPSE Puerto Rico 72 km
Arecibo PRARE Puerto Rico 72 km

Dams

Reservoir Dam Name River Year Distance
Guajataca Guajataca 1928 50 km
Caonillas Caonillas 1948 70 km
Dos Bocas Rio Grande de Arecibo 1942 71 km
Toa Vaca Dam Toa Vaca 1972 86 km

Nuclear plants

Name Country Reactors Distance
BONUS UNITED STATES 1 25 km

More information

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