M 8.1 Earthquake and Tsunami (2.4 m) in Kermadec Islands, New Zealand from 04 Mar 2021 19:28 UTC to 19:28

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 8.1M
Depth: 19.4 Km
Lat/Lon: -29.7399 , -177.2672
Event Date: 04 Mar 2021 19:28 UTC
04 Mar 2021 07:28 Local
Exposed Population: No people within 100km
Source: NEIC us7000dflf
Inserted at: 04 Mar 2021 20:30 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 1.7 1.7
us7000dflf Scaled population (raster) 0 Max wave alert 2.4m  
  C1 shakemap -0.59 Max wave realtime 2.4m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1362118 1.1 04 Mar 2021 19:28 8M, 10km N/A No people affected (in 100km) 1.3m (at 00:18) 00:14 PTWC
1362120 1.5 04 Mar 2021 19:28 8M, 10km N/A No people affected (in 100km) 2.1m (at 00:18) 00:19 NTWC
1362129 1.5 04 Mar 2021 19:28 7.8M, 10km N/A No people affected (in 100km) 2m (at 00:10) 01:42 NEIC
1362131 1.5 04 Mar 2021 19:28 8M, 10km N/A No people affected (in 100km) 2.1m (at 00:18) 01:30 NTWC
1362132 1.5 04 Mar 2021 19:28 7.8M, 10km N/A No people affected (in 100km) 2m (at 00:10) 00:43 NEIC
1362133 1.5 04 Mar 2021 19:28 8M, 10km N/A No people affected (in 100km) 2.1m (at 00:18) 00:38 NTWC
1362136 1.5 04 Mar 2021 19:28 7.8M, 10km N/A No people affected (in 100km) 2m (at 00:10) 00:30 NEIC
1362139 1.1 04 Mar 2021 19:28 8M, 10km N/A No people affected (in 100km) 1.3m (at 00:18) 00:56 PTWC
1362140 1.5 04 Mar 2021 19:28 7.8M, 10km 7.21 No people affected (in 100km) 2m (at 00:10) 00:51 NEIC
1362143 1.3 04 Mar 2021 19:28 8.1M, 10km 7.21 No people affected (in 100km) 1.7m (at 00:14) 00:46 NEIC
1362145 1.7 04 Mar 2021 19:28 8.1M, 19.4km 8.7 No people affected (in 100km) 2.4m (at 00:10) 01:01 NEIC
1362590 1.5 04 Mar 2021 19:28 8.1M, 26.45km 8.69 N/A (in MMI>=VII) 2.2m (at 00:10) 22:43 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 off shore.

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

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.