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
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.
Click on image to zoom it.

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.

Tsunami affected locations

The maximum Wave height is  0.2m in Maria Antonia, Puerto Rico. This height is estimated for 7-Jan-2020 08:27:61.

Alert Date (UTC) Name Country Wave height (m)
7-Jan-2020 08:27:61 Maria Antonia Puerto Rico  0.2
7-Jan-2020 08:27:61 Balneario de Cana Gorda Puerto Rico  0.2
7-Jan-2020 08:27:61 Campamento Borinquen Puerto Rico  0.2
7-Jan-2020 08:27:61 Media Quijada Puerto Rico  0.2
7-Jan-2020 08:27:61 Penuelas (Punta Guayanilla)- Puerto Rico  0.2
7-Jan-2020 08:27:61 Indios Puerto Rico  0.1
7-Jan-2020 08:27:61 El Faro Puerto Rico  0.1
7-Jan-2020 08:27:61 Amalia Marin Puerto Rico  0.1
7-Jan-2020 08:27:61 Quinta Esperanza Puerto Rico  0.1
7-Jan-2020 08:27:61 Tallaboa Puerto Rico  0.1
7-Jan-2020 08:27:61 Tuque Puerto Rico  0.1
7-Jan-2020 08:31:84 Guaypao Puerto Rico  0.1
7-Jan-2020 08:48:96 Ensenada Puerto Rico  0.1
7-Jan-2020 08:48:96 Guanica Puerto Rico  0.1

See full locations list (RSS)


Initial conditions

Title: ""M 6.4, 8km S of Indios, Puerto Rico""

Fault parameters

  • Latitude: 17.916
  • Longitude: -66.813
  • Length: 25 km
  • Width: 7 km
  • Magnitude: 6.4 M

Okada parameters:

  • Slip: .6 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -68.313, 16.416, -65.313, 19.416
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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