M 6.4 in Puerto Rico on 07 Jan 2020 08:24 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: 10 Km
Lat/Lon: 17.9161 , -66.8125
Event Date: 07 Jan 2020 08:24 UTC
07 Jan 2020 04:24 Local
Exposed Population: 100000 people in MMI
2990000 people within 100km
Source: NEIC us70006vll
Inserted at: 07 Jan 2020 09:02 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 1.3 0 1.3
us70006vll Scaled population (raster) 3.74 Max wave alert 0.15m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
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
1289140 0.2 07 Jan 2020 08:24 6.7M, 10km N/A No people affected (in 100km) 0.2m (at 00:02) 00:06 GEOFON
1289141 1.9 07 Jan 2020 08:24 6.6M, 6.7km N/A 3.1 million (in 100km) 0.4m (at 00:03) 00:06 PTWC
1289143 1.8 07 Jan 2020 08:24 6.6M, 7km N/A 3 million (in 100km) 0.4m (at 00:03) 00:08 NTWC
1289148 1.5 07 Jan 2020 08:24 6.5M, 10km 6.56 988 (in MMI>=VII) 0.1m (at 00:02) 00:23 NEIC
1289158 1.3 07 Jan 2020 08:24 6.4M, 10km 6.82 100 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 Puerto Rico ,of Mayag?ez (population 34,254) . The alertlevel for this event is ORANGE

Intensity Population
100000 people
440000 people
1.6 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 1.5 1289148 17.95/-66.736 6.5 10.0 6.991 07 Jan 2020 08:48 00:23 (new episode)
2 0.9 1289148 17.95/-66.736 6.5 10.0 6.557 07 Jan 2020 09:02 00:38 (upd of #1)
3 1.4 1289158 17.916/-66.812 6.4 10.0 6.809 07 Jan 2020 09:54 01:30 (new episode)
4 1.3 1289158 17.916/-66.812 6.4 10.0 6.888 07 Jan 2020 10:33 02:09 (upd of #3)
5 1.3 1289158 17.916/-66.812 6.4 10.0 6.776 07 Jan 2020 22:58 14:33 (upd of #4)
6 1.3 1289158 17.916/-66.812 6.4 10.0 6.824 08 Jan 2020 08:29 1d 00:04 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Mayag?ez Puerto Rico 34000 people
Ponce Puerto Rico 22000 people
Mayag?ez Puerto Rico 130000 people
Ponce Puerto Rico 240000 people
Aguadilla Puerto Rico 25000 people
Arecibo Puerto Rico 8500 people
Mayag?ez Puerto Rico 150000 people
Ponce Puerto Rico 79000 people
Aguadilla Puerto Rico 320000 people
Arecibo Puerto Rico 340000 people
Guayama Puerto Rico 140000 people
Bayamon Puerto Rico 450000 people
Humacao Puerto Rico 24000 people
San Juan Puerto Rico 31000 people
Aguadilla Puerto Rico 73000 people
Arecibo Puerto Rico 28000 people
Guayama Puerto Rico 220000 people
Bayamon Puerto Rico 340000 people
Humacao Puerto Rico 410000 people
San Juan Puerto Rico 340000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Guanica Guanica Puerto Rico Village 9200 people 12 km
Guayanilla Guayanilla Puerto Rico Village 5100 people 12 km
Yauco Yauco Puerto Rico Village 20000 people 14 km
Ensenada Guanica Puerto Rico Village - 15 km
Santo Domingo Penuelas Puerto Rico Village 3600 people 18 km
Penuelas Penuelas Puerto Rico Village - 19 km
Machuchal Sabana Grande Puerto Rico Village - 19 km
Ponce Ponce Puerto Rico City 160000 people 24 km
Sabana Grande Sabana Grande Puerto Rico Village 8800 people 25 km
Adjuntas Adjuntas Puerto Rico Village 5000 people 29 km
Castaner Lares Puerto Rico Village - 29 km
Lajas Lajas Puerto Rico Village 5000 people 30 km
San German San German Puerto Rico Village 12000 people 30 km
Coto Laurel Ponce Puerto Rico Village 3600 people 31 km
Aguilita Juana Diaz Puerto Rico Village 4900 people 32 km
Luis Llorens Torres Juana Diaz Puerto Rico Village - 34 km
Pastillo Juana Diaz Puerto Rico Village 3800 people 35 km
Juana Diaz Juana Diaz Puerto Rico Village 9600 people 36 km
Lares Lares Puerto Rico Village 7000 people 43 km
Rio Canas Juana Diaz Puerto Rico Village - 43 km
Collores Jayuya Puerto Rico Village - 37 km
Las Vegas Mayaguez Puerto Rico Village - 38 km
Rosario San German Puerto Rico Village - 40 km
Rojo Cabo Cabo Rojo Puerto Rico Village - 40 km
Boqueron Cabo Rojo Puerto Rico Village 2000 people 40 km
Cabo Rojo Cabo Rojo Puerto Rico Village 11000 people 40 km
Jayuya Jayuya Puerto Rico Village 3500 people 41 km
Utuado Utuado Puerto Rico Village 9900 people 41 km
Hormigueros Hormigueros Puerto Rico Village 12000 people 41 km
Santa Isabel Santa Isabel Puerto Rico Village 7000 people 44 km
Mayagnez Mayaguez Puerto Rico Village 79000 people 47 km
San Sebastian San Sebastian Puerto Rico Village 12000 people 51 km
Coamo Coamo Puerto Rico Village 12000 people 51 km
La Esperanza Arecibo Puerto Rico Village - 52 km
Anasco Anasco Puerto Rico Village 5900 people 54 km
Salinas Salinas Puerto Rico Village 6100 people 55 km
Florida Florida Puerto Rico Village 5700 people 56 km
Allende Arecibo Puerto Rico Village - 58 km
Bajadero Arecibo Puerto Rico Village 3900 people 58 km
Ciales Ciales Puerto Rico Village 3100 people 59 km
Coco Salinas Puerto Rico Village 5800 people 59 km
Botijas Orocovis Puerto Rico Village - 60 km
Domingo Ruiz Arecibo Puerto Rico Village - 60 km
Luyando Aguada Puerto Rico Village 3600 people 61 km
Barranquitas Barranquitas Puerto Rico Village 2900 people 61 km
Moca Moca Puerto Rico Village 4800 people 62 km
Coqui Salinas Puerto Rico Village - 62 km
Arecibo Arecibo Puerto Rico Village 49000 people 63 km
Aibonito Aibonito Puerto Rico Village 9300 people 63 km
Camuy Camuy Puerto Rico Village 4000 people 63 km
Hatillo Hatillo Puerto Rico Village 5300 people 63 km
San Felipe Salinas Puerto Rico Village - 64 km
Imbery Barceloneta Puerto Rico Village - 64 km
Aguada Aguada Puerto Rico Village 3900 people 65 km
Victoria Aguadilla Puerto Rico Village - 66 km
Manati Manati Puerto Rico Village 16000 people 67 km
Corozal Corozal Puerto Rico Village 11000 people 71 km
Vega Baja Vega Baja Puerto Rico Village 29000 people 73 km
Vega Alta Vega Alta Puerto Rico Village 12000 people 76 km
Toa Alta Toa Alta Puerto Rico Village 4400 people 79 km
Pajaros Toa Alta Puerto Rico Village - 80 km
San Jose Toa Baja Puerto Rico Village - 81 km
Campanilla Toa Baja Puerto Rico Village 7800 people 83 km
Candelaria Toa Baja Puerto Rico Village 17000 people 83 km
Candelaria Arenas Toa Baja Puerto Rico Village 5900 people 84 km
Ingenio Toa Baja Puerto Rico Village 5700 people 85 km
Bayamon Bayamon Puerto Rico City 200000 people 86 km
Sabana Seca Toa Baja Puerto Rico Village 6200 people 87 km
Trujillo Alto Trujillo Alto Puerto Rico Village 51000 people 98 km
Las Piedras Las Piedras Puerto Rico Village 6400 people 104 km
La Fermina Las Piedras Puerto Rico Village 3200 people 106 km
Aguadilla Aguadilla Puerto Rico Village 17000 people 68 km
Caban Aguadilla Puerto Rico Village - 68 km
Jobos Guayama Puerto Rico Village 3500 people 69 km
Isabela Isabela Puerto Rico Village 13000 people 69 km
Cayey Cayey Puerto Rico Village 20000 people 72 km
Cidra Cidra Puerto Rico Village 4900 people 75 km
Monserrate Vega Baja Puerto Rico Village 2800 people 75 km
Ceiba Vega Alta Puerto Rico Village 3700 people 77 km
Bayamon Cidra Puerto Rico Village 1700 people 80 km
San Antonio Dorado Puerto Rico Village 6500 people 80 km
Dorado Dorado Puerto Rico Village 13000 people 84 km
Aguas Buenas Aguas Buenas Puerto Rico Village 4400 people 84 km
La Plaza Caguas Puerto Rico Village - 85 km
Caguas Caguas Puerto Rico Village 89000 people 89 km
Levittown Toa Baja Puerto Rico Village 30000 people 89 km
Guaynabo Guaynabo Puerto Rico City 79000 people 90 km
Catano Catano Puerto Rico Village 30000 people 92 km
San Lorenzo San Lorenzo Puerto Rico Village 8900 people 95 km
Gurabo Gurabo Puerto Rico Village 9000 people 96 km
Rio Piedras San Juan Puerto Rico Village - 97 km
Celada Gurabo Puerto Rico Village 4400 people 98 km
San Juan San Juan Puerto Rico Capital 420000 people 99 km
Juncos Juncos Puerto Rico Village 9000 people 100 km
Carolina Carolina Puerto Rico Major city 170000 people 103 km
Humacao Humacao Puerto Rico Village 21000 people 107 km
Campo Rico Canovanas Puerto Rico Village 3200 people 107 km
Santa Barbara Canovanas Puerto Rico Village - 108 km
Canovanas Canovanas Puerto Rico Village 8100 people 109 km
San Isidro Canovanas Puerto Rico Village 8100 people 111 km
La Dolores Rio Grande Puerto Rico Village 3500 people 113 km
Loiza Aldea Loiza Puerto Rico Village - 114 km
Punta Santiago Humacao Puerto Rico Village 5800 people 115 km
Playa de Humacao Humacao Puerto Rico Village - 117 km
Rio Grande Rio Grande Puerto Rico Village 31000 people 117 km
Naguabo Naguabo Puerto Rico Village 4400 people 119 km
Luquillo Luquillo Puerto Rico Village 7900 people 126 km
Aguas Claras Ceiba Puerto Rico Village 3500 people 127 km
Ceiba Ceiba Puerto Rico Village 6300 people 129 km
Fajardo Fajardo Puerto Rico Village 33000 people 130 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
Parguera 10 0 25 km
Mercedita PSE 9 Civ. Paved Yes 6900 28 km
Baxter-San German 64 0 30 km
Lajas Airpark 9 0 30 km
Fort Allen 6 0 34 km
Boqueron 1 0 37 km
Cullingford Field 4 0 39 km
Orocovis Health Center 523 0 56 km
Orama-Layuya 446 0 38 km
Santa Isabel 8 0 45 km
Sabalos Ward 10 0 46 km
Eugenio Maria de Hostos MAZ 9 Civ. Paved Yes 4900 52 km
Antonio Nery Juarbe Pol ARE 7 0 61 km
Baxter-Aibonito 560 0 63 km
Labadie 137 0 65 km
Prasa - La Plata 110 0 78 km
Borinquen BQN 72 Civ. Paved Yes 11700 72 km
Dorado 23 0 82 km
Bayamon Regional Hospital 34 0 86 km
Rexach Office Building 18 0 91 km
Prtc Office Building 53 0 93 km
Isla Grande SIG 3 Civ. Paved Yes 5300 96 km
Prasa-Barbosa 50 0 98 km
State Government Number One 82 0 99 km
Luis Munoz Marin International SJU 3 Civ. Paved Yes 10000 103 km
Boqueron 114 0 108 km
Humacao 10 0 110 km
Diego Jimenez Torres FAJ 20 Civ. Paved No 3600 129 km
Roosevelt Roads Ns NRR 12 Mil. Paved Yes 11000 130 km
Fajardo Harbor unknown 0 133 km

Ports

Intensity Name LOCODE Country Distance
Guanica Harbour PRGUX Puerto Rico 8 km
Guayanilla PRGUY Puerto Rico 11 km
Ponce PRPSE Puerto Rico 20 km
Mayaguez PRMAZ Puerto Rico 48 km
Arecibo PRARE Puerto Rico 63 km
Las Mareas (Guayama) PRLAM Puerto Rico 64 km
Aguadilla PRBQN Puerto Rico 67 km
Las Mareas Puerto Rico 68 km
San Juan PRSJU Puerto Rico 94 km
Puerto de Humacao Puerto Rico 117 km
Naguabo Puerto Rico 120 km
Ensenada Honda Puerto Rico 130 km
Fajardo Puerto Rico 134 km

Dams

Intensity Reservoir Dam Name River Year Distance
Toa Vaca Dam Toa Vaca 1972 40 km
Caonillas Caonillas 1948 43 km
Dos Bocas Rio Grande de Arecibo 1942 49 km
Guajataca Guajataca 1928 54 km
La Plata La Plata 1974 77 km
Carite La Plata 1913 77 km

Nuclear plants

Intensity Name Country Reactors Distance
BONUS UNITED STATES 1 67 km

More information

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