Overall Green Earthquake alert in New Zealand on 20 Sep 2017 02:42 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 5 in New Zealand on 20 Sep 2017 02:42 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:	5.0M
Depth:	24.36 Km
Lat/Lon:	-41.5093 , 174.3572
Event Date:	20 Sep 2017 02:42 UTC 20 Sep 2017 14:42 Local
Exposed Population:	470000 people within 100km
Source:	NEIC us2000arfw
Inserted at:	20 Sep 2017 03:03 UTC
INFORM Coping capacity of the alert score	2 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us2000arfw	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
1181248		0	20 Sep 2017 02:42	5M, 24.36km	N/A	470 thousand (in 100km)		00:21	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 Blind River, Dashwood, Seddon, Hauwai, Blenheim, Grovetown, Spring Creek, Tuamarina, Okukari, Taimate, and Upper Hutt.

Radius	Population
100 km	470000 people
75 km	380000 people
50 km	55000 people
20 km	no people
10 km	no 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
Blind River	Marlborough	New Zealand	Village	-	27 km
Dashwood	Marlborough	New Zealand	Village	-	28 km
Seddon	Marlborough	New Zealand	Village	<1000 people	30 km
Hauwai	Marlborough	New Zealand	Village	-	31 km
Blenheim	Marlborough	New Zealand	City	28000 people	33 km
Grovetown	Marlborough	New Zealand	Village	-	33 km
Spring Creek	Marlborough	New Zealand	Village	-	33 km
Tuamarina	Marlborough	New Zealand	Village	-	34 km
Okukari	Marlborough	New Zealand	Village	-	35 km
Taimate	Marlborough	New Zealand	Village	-	35 km
Waikawa	Marlborough	New Zealand	Village	-	37 km
Picton	Marlborough	New Zealand	Village	4200 people	38 km
Koromiko	Marlborough	New Zealand	Village	-	38 km
Rapaura	Marlborough	New Zealand	Village	-	38 km
Para	Marlborough	New Zealand	Village	-	39 km
Island Bay	Wellington	New Zealand	Village	-	40 km
Ward	Marlborough	New Zealand	Village	-	40 km
Karori	Wellington	New Zealand	Village	-	40 km
Berhampore	Wellington	New Zealand	Village	-	41 km
Brooklyn	Wellington	New Zealand	Village	-	41 km
Woodbourne	Marlborough	New Zealand	Village	-	41 km
Wellington	Wellington	New Zealand	Capital	180000 people	42 km
Kilbirnie	Wellington	New Zealand	Village	-	42 km
Kenepuru Head	Marlborough	New Zealand	Village	-	43 km
Hataitai	Wellington	New Zealand	Village	-	43 km
Onauku	Marlborough	New Zealand	Village	-	44 km
Renwick	Marlborough	New Zealand	Village	-	44 km
Mirza	Marlborough	New Zealand	Village	-	44 km
Miramar	Wellington	New Zealand	Village	-	44 km
Wadestown	Wellington	New Zealand	Village	-	44 km
Grove	Marlborough	New Zealand	Village	-	45 km
Seatoun	Wellington	New Zealand	Village	-	45 km
Ngaio	Wellington	New Zealand	Village	-	45 km
Kaiwharawhara	Wellington	New Zealand	Village	-	46 km
Kaituna	Marlborough	New Zealand	Village	-	47 km
Khandallah	Wellington	New Zealand	Village	-	47 km
Linkwater	Marlborough	New Zealand	Village	-	48 km
Altimarloch	Marlborough	New Zealand	Village	-	48 km
Broughton Bay	Marlborough	New Zealand	Village	-	48 km
Ngauranga	Wellington	New Zealand	Village	-	48 km
Johnsonville	Wellington	New Zealand	Village	-	49 km
Ohariu	Wellington	New Zealand	Village	-	49 km
Endeavour Inlet	Marlborough	New Zealand	Village	-	49 km
Okaramio	Marlborough	New Zealand	Village	-	50 km
Eastbourne	Wellington	New Zealand	Village	-	51 km
Wharanui	Marlborough	New Zealand	Village	-	51 km
Manaroa	Marlborough	New Zealand	Village	-	51 km
Welds Hill	Marlborough	New Zealand	Village	-	51 km
Crail Bay	Marlborough	New Zealand	Village	-	52 km
Days Bay	Wellington	New Zealand	Village	-	53 km
Korokoro	Wellington	New Zealand	Village	-	53 km
Petone	Wellington	New Zealand	Village	-	54 km
Havelock	Marlborough	New Zealand	Village	<1000 people	55 km
Gracefield	Wellington	New Zealand	Village	-	56 km
Linden	Wellington	New Zealand	Village	-	56 km
Homedale	Wellington	New Zealand	Village	-	56 km
Wainuiomata	Wellington	New Zealand	Village	-	57 km
Homewood	Marlborough	New Zealand	Village	-	57 km
Lower Hutt	Wellington	New Zealand	City	100000 people	57 km
Porirua	Wellington	New Zealand	City	51000 people	58 km
Belmont	Wellington	New Zealand	Village	-	59 km
Titahi Bay	Wellington	New Zealand	Village	-	60 km
Whakatahuri	Marlborough	New Zealand	Village	-	61 km
Kekerengu	Canterbury	New Zealand	Village	-	62 km
Paremata	Wellington	New Zealand	Village	-	62 km
Taita	Wellington	New Zealand	Village	-	62 km
Canvastown	Marlborough	New Zealand	Village	-	62 km
Deep Creek	Marlborough	New Zealand	Village	-	63 km
Awapiri	Marlborough	New Zealand	Village	-	63 km
Erina	Marlborough	New Zealand	Village	-	63 km
Avondale	Marlborough	New Zealand	Village	-	63 km
Plimmerton	Wellington	New Zealand	Village	-	64 km
Pauatahanui	Wellington	New Zealand	Village	-	65 km
Judgeford	Wellington	New Zealand	Village	-	65 km
Haywards	Wellington	New Zealand	Village	-	66 km
Camden	Marlborough	New Zealand	Village	-	68 km
Silverstream	Wellington	New Zealand	Village	-	68 km
Heretaunga	Wellington	New Zealand	Village	-	69 km
Pukerua Bay	Wellington	New Zealand	Village	-	69 km
Wairau Valley	Marlborough	New Zealand	Village	-	70 km
Upper Hutt	Wellington	New Zealand	City	36000 people	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
Picton Koromiko	PCN	unknown				0	32 km
Woodbourne	BHE	33	Civ.	Paved	Yes	4600	41 km
Wellington International	WLG	12	Civ.	Paved	Yes	6300	43 km
Paraparaumu	PPQ	7	Civ.	Paved	Yes	4400	85 km

Ports

Name	LOCODE	Country	Distance
Cape Campbell		New Zealand	26 km
Blenheim	NZBHE	New Zealand	28 km
Picton	NZPCN	New Zealand	38 km
Wellington	NZWLG	New Zealand	43 km
Petone		New Zealand	54 km
Lower Hutt		New Zealand	60 km
Porirua		New Zealand	71 km
D'urville Island		New Zealand	86 km

Dams

Dam Name	River	Year	Distance
Taylor	Taylor	n/a	36 km
Upper Karori	Kaiwharawhara	1908	40 km
Lower Karori	Kaiwharawhara	1872	41 km
Morton	Wainuiomata	1911	60 km
Waihopai	Waihopai	1927	68 km
Te Marua 2	Hutt	1985	81 km
Te Marua 1	Hutt	1986	82 km

More information

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

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