M 6.4 in New Zealand on 06 Mar 2021 00:16 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: 6.4M
Depth: 9.2 Km
Event Date: 06 Mar 2021 00:16 UTC
06 Mar 2021 12:16 Local
Exposed Population: About 100 people within 100km
Source: NEIC us7000dg8x
Inserted at: 06 Mar 2021 00:38 UTC
INFORM Coping capacity of the alert score:
2 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000dg8x Scaled population (raster) 0 Max wave alert 0.08m  
  C1 shakemap -0.59 Max wave realtime 0.08m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.63      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1362699 0 06 Mar 2021 00:16 6.4M, 9.2km 5.33 N/A (in MMI>=VII) 0.1m (at 00:52) 00:22 NEIC
1362705 0 06 Mar 2021 00:16 6.3M, 11.57km 5.33 N/A (in MMI>=VII) 0m (at 00:00) 00:46 NEIC
1362708 0 06 Mar 2021 00:16 6.3M, 8.99km 4.97 N/A (in MMI>=VII) 0.1m (at 00:52) 00:57 NEIC
1363418 0.1 06 Mar 2021 00:16 6.3M, 13km 5.02 N/A (in MMI>=VII) 0.1m (at 00:00) 1d 22:32 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

The maximum Wave height is  0.1m in Tuparoa, New Zealand. This height is estimated for 6-Mar-2021 01:08:41.

Alert Date (UTC) Name Country Wave height (m)
6-Mar-2021 01:08:41 Tuparoa New Zealand  0.1
6-Mar-2021 01:08:41 Port Awanui New Zealand  0.1
6-Mar-2021 01:15:36 Waipiro New Zealand  0.1
6-Mar-2021 01:15:36 Waipiro Bay New Zealand  0.1

See full locations list (RSS)


Initial conditions

Title: ""176 km NE of Gisborne""

Fault parameters

  • Latitude: -37.672
  • Longitude: 179.596
  • Length: 25 km
  • Width: 7 km
  • Magnitude: 6.4 M

Okada parameters:

  • Slip: .6 m
  • Strike: 202 (geogr angle: north=0, south=180)
  • Dip: 17 degree
  • Rake: 90 degree
  • Depth: 9 km

Calculation parameters

  • Calculation space (lon/lat): 178.096, -39.172, 181.096, -36.172
  • 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.