Overall Green Earthquake alert in New Zealand on 20 Nov 2016 15:31 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 4.6 in New Zealand on 20 Nov 2016 15:31 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:	4.6M
Depth:	16.73 Km
Lat/Lon:	-41.724 , 174.2915
Event Date:	20 Nov 2016 15:31 UTC 21 Nov 2016 04:31 Local
Exposed Population:	394636 people within 100km
Source:	NEIC us10007ax3
Inserted at:	20 Nov 2016 19:19 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10007ax3	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1147597		0	20 Nov 2016 15:31	4.6M, 16.73km	N/A	390 thousand (in 100km)		03:47	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 in New Zealand , County of Nelson-Marlborough. The nearest places are Hauwai, Taimate, Blind River, Ward, Seddon, Dashwood, Mirza, Wharanui, Blenheim, Altimarloch, and Crail Bay.

Radius	Population
100 km	400000 people
75 km	190000 people
50 km	30000 people
20 km	<1000 people
10 km	<1000 people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Nelson-Marlborough	New Zealand	-

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Hauwai	Marlborough	New Zealand	Village	-	14 km
Taimate	Marlborough	New Zealand	Village	-	16 km
Blind River	Marlborough	New Zealand	Village	-	16 km
Ward	Marlborough	New Zealand	Village	-	19 km
Seddon	Marlborough	New Zealand	Village	<1000 people	21 km
Dashwood	Marlborough	New Zealand	Village	-	22 km
Mirza	Marlborough	New Zealand	Village	-	23 km
Wharanui	Marlborough	New Zealand	Village	-	29 km
Blenheim	Marlborough	New Zealand	City	28000 people	37 km
Altimarloch	Marlborough	New Zealand	Village	-	38 km
Welds Hill	Marlborough	New Zealand	Village	-	39 km
Grovetown	Marlborough	New Zealand	Village	-	40 km
Kekerengu	Canterbury	New Zealand	Village	-	41 km
Spring Creek	Marlborough	New Zealand	Village	-	41 km
Tuamarina	Marlborough	New Zealand	Village	-	44 km
Rapaura	Marlborough	New Zealand	Village	-	44 km
Woodbourne	Marlborough	New Zealand	Village	-	45 km
Renwick	Marlborough	New Zealand	Village	-	47 km
Para	Marlborough	New Zealand	Village	-	50 km
Awapiri	Marlborough	New Zealand	Village	-	50 km
Kaituna	Marlborough	New Zealand	Village	-	52 km
Koromiko	Marlborough	New Zealand	Village	-	52 km
Picton	Marlborough	New Zealand	Village	4200 people	54 km
Camden	Marlborough	New Zealand	Village	-	55 km
Waikawa	Marlborough	New Zealand	Village	-	55 km
Island Bay	Wellington	New Zealand	Village	-	57 km
Okaramio	Marlborough	New Zealand	Village	-	57 km
Avondale	Marlborough	New Zealand	Village	-	57 km
Okukari	Marlborough	New Zealand	Village	-	58 km
Clarence	Canterbury	New Zealand	Village	-	58 km
Berhampore	Wellington	New Zealand	Village	-	58 km
Brooklyn	Wellington	New Zealand	Village	-	59 km
Wellington	Wellington	New Zealand	Capital	180000 people	59 km
Grove	Marlborough	New Zealand	Village	-	59 km
Karori	Wellington	New Zealand	Village	-	60 km
Kilbirnie	Wellington	New Zealand	Village	-	60 km
Linkwater	Marlborough	New Zealand	Village	-	61 km
Hataitai	Wellington	New Zealand	Village	-	61 km
Seatoun	Wellington	New Zealand	Village	-	61 km
Miramar	Wellington	New Zealand	Village	-	61 km
Glenlee	Marlborough	New Zealand	Village	-	63 km
Erina	Marlborough	New Zealand	Village	-	63 km
Wadestown	Wellington	New Zealand	Village	-	63 km
Kenepuru Head	Marlborough	New Zealand	Village	-	64 km
Kaiwharawhara	Wellington	New Zealand	Village	-	64 km
Broughton Bay	Marlborough	New Zealand	Village	-	65 km
Ngaio	Wellington	New Zealand	Village	-	65 km
Khandallah	Wellington	New Zealand	Village	-	66 km
Havelock	Marlborough	New Zealand	Village	<1000 people	67 km
Ngauranga	Wellington	New Zealand	Village	-	67 km
Onauku	Marlborough	New Zealand	Village	-	67 km
Eastbourne	Wellington	New Zealand	Village	-	67 km
Johnsonville	Wellington	New Zealand	Village	-	68 km
Wairau Valley	Marlborough	New Zealand	Village	-	68 km
Days Bay	Wellington	New Zealand	Village	-	69 km
Ohariu	Wellington	New Zealand	Village	-	69 km
Crail Bay	Marlborough	New Zealand	Village	-	70 km

see full list

Critical infrastructure

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

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Woodbourne	BHE	33	Civ.	Paved	Yes	4600	44 km
Picton Koromiko	PCN	unknown				0	48 km
Wellington International	WLG	12	Civ.	Paved	Yes	6300	60 km

Ports

Name	LOCODE	Country	Distance
Cape Campbell		New Zealand	4 km
Blenheim	NZBHE	New Zealand	21 km
Picton	NZPCN	New Zealand	54 km
Wellington	NZWLG	New Zealand	60 km
Petone		New Zealand	72 km
Lower Hutt		New Zealand	80 km

Dams

Dam Name	River	Year	Distance
Taylor	Taylor	n/a	36 km
Upper Karori	Kaiwharawhara	1908	59 km
Lower Karori	Kaiwharawhara	1872	60 km
Waihopai	Waihopai	1927	63 km
Morton	Wainuiomata	1911	76 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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