M 6.5 in Central Mid-Atlantic Ridge on 30 Nov 2017 06:32 UTC

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: 6.5M
Depth: 10 Km
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 18:19 UTC
INFORM Coping capacity of the alert score:
1.1 ()

This is a pre-calculated grid scenario. The exact calculation for this event is available here

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.
Click on image to zoom it.

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.

Tsunami affected locations

Alert Date (UTC) Name Country Wave height (m)

See full locations list (RSS)


Initial conditions

Title: "M6.5 Central Mid-atlantic Ridge"

Fault parameters

  • Latitude: -1.06
  • Longitude: -23.39
  • Length: 28 km
  • Width: 7 km
  • Magnitude: 6.5 M

Okada parameters:

  • Slip: .8 m
  • Strike: 100 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -24.89, -2.56, -21.89, .44
  • Instead of Step -> use Cell size:.25 minutes

Sea Level

More information

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

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