Overall Green Earthquake alert in New Zealand on 04 Mar 2021 13:27 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 7.3 in New Zealand on 04 Mar 2021 13:27 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:	7.3M
Depth:	10 Km
Lat/Lon:	-37.8 , -179.5
Event Date:	04 Mar 2021 13:27 UTC 04 Mar 2021 01:27 Local
Exposed Population:	Less then 100 people in MMI VI No people within 100km
Source:	NTWC at00qpg5dz
Inserted at:	04 Mar 2021 13:58 UTC
INFORM Coping capacity of the alert score:	1.1 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NTWC	0		0.4		0.4
at00qpg5dz	Scaled population (raster)	0	Max wave alert	0.48m
	C1 shakemap	-0.59	Max wave realtime	0.48m
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1361949	0.4	04 Mar 2021 13:27	7.3M, 10km	N/A	No people affected (in 100km)	0.5m (at 01:06)	00:11	PTWC
1361950	0.4	04 Mar 2021 13:27	7.3M, 10km	N/A	No people affected (in 100km)	0.5m (at 01:08)	00:20	NTWC
1361951	0.4	04 Mar 2021 13:27	7.3M, 10km	N/A	No people affected (in 100km)	0.5m (at 01:06)	00:16	PTWC
1361952	0.4	04 Mar 2021 13:27	7.3M, 10km	6.44	N/A (in MMI>=VII)	0.5m (at 01:08)	00:30	NTWC

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 in New Zealand ,of East Cape (population 37) . The alertlevel for this event is GREEN

Intensity	Population
	<1000 people
	42000 people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1361952	-37.596/179.544	6.9	10.0	5.92	04 Mar 2021 13:54	00:26	(new episode)
2	1361952	-37.596/179.544	6.9	10.0	6.136	04 Mar 2021 14:47	01:19	(upd of #1)
3	1361952	-37.563/179.444	7.3	20.8	6.048	04 Mar 2021 15:32	02:05	(upd of #2)
4	1361952	-37.563/179.444	7.3	20.8	6.441	05 Mar 2021 13:32	1d 00:04	(upd of #3)

Affected Provinces

Intensity	Region Province	Country	Population
	East Cape	New Zealand	<1000 people
	East Cape	New Zealand	42000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Horoera	Gisborne	New Zealand	Village	-	180 km
Tikitiki	Gisborne	New Zealand	Village	-	185 km
Tuparoa	Gisborne	New Zealand	Village	-	186 km
Whareponga	Gisborne	New Zealand	Village	-	188 km
Te Araroa	Gisborne	New Zealand	Village	-	189 km
Waipiro	Gisborne	New Zealand	Village	-	193 km
Te Puia	Gisborne	New Zealand	Village	-	195 km
Tokomaru Bay	Gisborne	New Zealand	Village	<1000 people	196 km
Mangatuna	Gisborne	New Zealand	Village	-	204 km
Tolaga Bay	Gisborne	New Zealand	Village	<1000 people	204 km
Whangara	Gisborne	New Zealand	Village	-	217 km
Gisborne	Gisborne	New Zealand	City	34000 people	237 km
Hexton	Gisborne	New Zealand	Village	-	239 km
Ormond	Gisborne	New Zealand	Village	-	241 km
Te Karaka	Gisborne	New Zealand	Village	<1000 people	242 km
Whatatutu	Gisborne	New Zealand	Village	-	243 km
Patutahi	Gisborne	New Zealand	Village	<1000 people	246 km
Manutuke	Gisborne	New Zealand	Village	<1000 people	247 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity	Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
	Gisborne	GIS	5	Civ.	Paved	No	4200	241 km

Ports

Name	LOCODE	Country	Distance
East Cape		New Zealand	172 km
Tokomaru		New Zealand	194 km
Gisborne	NZGIS	New Zealand	240 km

More information

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

Disclaimer
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