M 6.2 in Northern Mariana Islands from 26 Oct 2018 09:05 UTC to 09:05

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: 6.2M
Depth: 23.1 Km
Event Date: 26 Oct 2018 09:05 UTC
26 Oct 2018 19:05 Local
Exposed Population: No people within 100km
Source: PTWC pt18299001
Inserted at: 26 Oct 2018 09:15 UTC
INFORM Coping capacity of the alert score:
1.1 (Northern Mariana Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
PTWC 0 0 0
pt18299001 Scaled population (vector) 0 Max wave alert 0m  
  C1 earthquake 1 Max wave realtime 0m  
  C2 earthquake 0      
  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
1233200 0 26 Oct 2018 09:05 6.2M, 23.1km N/A No people affected (in 100km) 0m (at 00:00) 00:10 PTWC
1233204 0 26 Oct 2018 09:05 5.7M, 10km 2.96 N/A (in MMI>=VII) 00:20 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: ""241km ESE of Pagan""

Fault parameters

  • Latitude: 17.426
  • Longitude: 147.931
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 175 (geogr angle: north=0, south=180)
  • Dip: 20 degree
  • Rake: 90 degree
  • Depth: 23 km

Calculation parameters

  • Calculation space (lon/lat): 146.431, 15.926, 149.431, 18.926
  • 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.