M 4.5 in Puerto Rico from 29 Sep 2020 13:29 UTC to 13:29
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.

Earthquake Magnitude: 4.5M
Depth: 10 Km
Lat/Lon: 17.8522 , -67.0591
Event Date: 29 Sep 2020 13:29 UTC
29 Sep 2020 09:29 Local
Exposed Population: 1630000 people within 100km
Source: NEIC us6000c2kg
Inserted at: 29 Sep 2020 13:47 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us6000c2kg Scaled population (raster) 0  
  C1 shakemap -0.59  
  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
1335280 0 29 Sep 2020 13:29 4.5M, 10km 3.54 N/A (in MMI>=VII) 00:17 NEIC
1335281 0 29 Sep 2020 13:29 3.9M, 11km 4.21 N/A (in MMI>=VII) 1d 00:04 PRICO RS
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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1335280 17.852/-67.059 4.5 10.0 3.544 29 Sep 2020 13:47 00:17 (new episode)
2 0 1335281 17.948/-67.07 4.5 11.0 3.913 29 Sep 2020 14:30 01:00 (new episode)
3 0 1335281 17.948/-67.07 4.5 11.0 4.204 29 Sep 2020 15:33 02:03 (upd of #2)
4 0 1335281 17.948/-67.07 4.5 11.0 4.213 30 Sep 2020 13:34 1d 00:04 (upd of #3)

Affected Provinces



Critical infrastructure

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

More information

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