M 6.7 in Central Mid-Atlantic Ridge from 30 Nov 2017 06:32 UTC to 06:32

Hazard models

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.

Earthquake Magnitude: 6.7M
Depth: 10 Km
Lat/Lon: -1.1078 , -23.4178
Event Date: 30 Nov 2017 06:32 UTC
30 Nov 2017 04:32 Local
Exposed Population: No people within 100km
Source: NEIC us1000bj7t
Inserted at: 30 Nov 2017 06:51 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us1000bj7t Scaled population (vector) 0 Max wave scenario 0m  
  C1 shakemap 0 Max wave realtime 0m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
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
1189472 0 30 Nov 2017 06:32 6.5M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:13 PTWC
1189474 0 30 Nov 2017 06:32 6.5M, 10km N/A No people affected (in 100km) 0m (at 00:00) 00:15 NTWC    
1189475 0 30 Nov 2017 06:32 6.7M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 00:18 NEIC
1189531 0 30 Nov 2017 06:32 6.5M, 10km N/A N/A (in MMI>=VII) 0m (at 00:00) 11:46 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people
no people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1189475 -1.108/-23.418 6.7 10 0 30 Nov 2017 06:53 00:20 (new episode)
2 0 1189475 -1.108/-23.418 6.7 10 0 30 Nov 2017 08:36 02:03 (upd of #1)
3 0 1189531 -1.108/-23.418 6.7 10 0 30 Nov 2017 18:19 11:46 (new episode)
4 0 1189531 -1.105/-23.419 6.5 10 0 30 Nov 2017 18:20 11:47 (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.