M 6.2 in Kermadec Islands Region on 04 Mar 2021 23:12 UTC

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: 10 Km
Event Date: 04 Mar 2021 23:12 UTC
04 Mar 2021 11:12 Local
Exposed Population: No people within 100km
Source: NEIC us7000dfq2
Inserted at: 04 Mar 2021 23:32 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
us7000dfq2 Scaled population (raster) 0 Max wave alert 0m  
  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
1362238 0 04 Mar 2021 23:12 6.2M, 10km 3.42 No people affected (in 100km) 0m (at 00:00) 00:19 NEIC
1363170 0 04 Mar 2021 23:12 6.1M, 10km 3.34 No people affected (in 100km) 2d 05:35 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: ""Kermadec Islands region""

Fault parameters

  • Latitude: -28.479
  • Longitude: -176.619
  • Length: 19 km
  • Width: 5 km
  • Magnitude: 6.2 M

Okada parameters:

  • Slip: .6 m
  • Strike: 188 (geogr angle: north=0, south=180)
  • Dip: 38 degree
  • Rake: 90 degree
  • Depth: 10 km

Calculation parameters

  • Calculation space (lon/lat): -178.119, -29.979, -175.119, -26.979
  • 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.