M 4.7 in New Zealand on 07 Dec 2021 09:04 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: 4.7M
Depth: 172.29 Km
Lat/Lon: -38.327 , 175.912
Event Date: 07 Dec 2021 09:04 UTC
07 Dec 2021 22:04 Local
Exposed Population:
590 thousand in 100km
Source: NEIC us6000g9zm
Inserted at: 07 Dec 2021 09:29 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
us6000g9zm Scaled population (vector) 5.69  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability -0.33  
  INFORM_normalised 0.63  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1414208 0 07 Dec 2021 09:04 4.7M, 172.29km N/A 590 thousand (in 100km) 00:24 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 Waikato (population 38,595) . The nearest places are Kinleith, Atiamuri, Tokoroa, Mangakino, Whakamaru, Te Whetu, Guthrie, Mokai, Ngakuru, Ngatira, and Te Puke.

Radius Population
100 km 590000 people
75 km 310000 people
50 km 120000 people
20 km 17000 people
10 km 1100 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Waikato New Zealand 39000 people

Affected populated places

Name Region Province Country City class Population Distance
Kinleith Waikato New Zealand Village - 5 km
Atiamuri Waikato New Zealand Village - 13 km
Tokoroa Waikato New Zealand Village 14000 people 13 km
Mangakino Waikato New Zealand Village 1200 people 13 km
Whakamaru Waikato New Zealand Village - 15 km
Te Whetu Waikato New Zealand Village - 19 km
Guthrie Waikato New Zealand Village - 21 km
Mokai Waikato New Zealand Village - 22 km
Ngakuru Waikato New Zealand Village - 24 km
Ngatira Waikato New Zealand Village - 26 km
Lichfield Waikato New Zealand Village - 26 km
Waotu Waikato New Zealand Village - 28 km
Oruanui Waikato New Zealand Village - 29 km
Mamaku Waikato New Zealand Village <1000 people 29 km
Putaruru Waikato New Zealand Village 3700 people 33 km
Maiapara Waikato New Zealand Village - 35 km
Rotorua Bay of Plenty New Zealand City 54000 people 35 km
Tarukenga Bay of Plenty New Zealand Village - 35 km
Barryville Manawatu Wanganui New Zealand Village - 36 km
Tahorakui Waikato New Zealand Village - 36 km
Ohinemutu Bay of Plenty New Zealand Village - 36 km
Arapuni Waikato New Zealand Village - 36 km
Wairakei Waikato New Zealand Village - 36 km
Koutu Bay of Plenty New Zealand Village - 37 km
Tihoi Waikato New Zealand Village - 37 km
Wharepaina Waikato New Zealand Village - 38 km
Ngongotaha Bay of Plenty New Zealand Village - 38 km
Tahorakuri Waikato New Zealand Village - 38 km
Waiotapu Waikato New Zealand Village - 39 km
Reporoa Waikato New Zealand Village <1000 people 39 km
Wharepuhunga Waikato New Zealand Village - 40 km
Te Wairoa Bay of Plenty New Zealand Village - 41 km
Tirau Waikato New Zealand Village <1000 people 41 km
Buried Village Bay of Plenty New Zealand Village - 42 km
Waimangu Bay of Plenty New Zealand Village - 42 km
Punaromia Bay of Plenty New Zealand Village - 42 km
Aratiatia Waikato New Zealand Village - 42 km
Taupo Waikato New Zealand City 22000 people 43 km
Pukeatua Waikato New Zealand Village - 43 km
Okoroire Waikato New Zealand Village - 43 km
Waiomou Waikato New Zealand Village - 44 km
Hamurana Bay of Plenty New Zealand Village - 45 km
Te Pu Bay of Plenty New Zealand Village - 45 km
Paewhenua Waikato New Zealand Village - 46 km
Ngawaro Bay of Plenty New Zealand Village - 47 km
Kaharoa Bay of Plenty New Zealand Village - 47 km
Korakonui Waikato New Zealand Village - 47 km
Mourea Bay of Plenty New Zealand Village - 48 km
Maihiihi Waikato New Zealand Village - 48 km
Paepaerahi Waikato New Zealand Village - 48 km
Piarere Waikato New Zealand Village - 49 km
Tikitere Bay of Plenty New Zealand Village - 49 km
Te Poi Waikato New Zealand Village - 51 km
Hinuera Waikato New Zealand Village - 51 km
Okere Falls Bay of Plenty New Zealand Village - 51 km
Ngahape Waikato New Zealand Village - 53 km
Benneydale Waikato New Zealand Village - 53 km
Waitahanui Waikato New Zealand Village - 54 km
Kaimai Bay of Plenty New Zealand Village - 55 km
Rotoorangi Waikato New Zealand Village - 56 km
Tapuwae Waikato New Zealand Village - 56 km
Omanawa Falls Bay of Plenty New Zealand Village - 56 km
Whitehall Waikato New Zealand Village - 58 km
Porootarao Waikato New Zealand Village - 58 km
Rotoiti Bay of Plenty New Zealand Village - 58 km
Kopaki Waikato New Zealand Village - 58 km
Oropi Bay of Plenty New Zealand Village - 58 km
Matamata Waikato New Zealand City 6500 people 58 km
Kihikihi Waikato New Zealand Village - 59 km
Hatepe Waikato New Zealand Village - 59 km
Lower Kaimai Bay of Plenty New Zealand Village - 60 km
Omanawa Bay of Plenty New Zealand Village - 60 km
Leamington Waikato New Zealand Village - 60 km
Okauia Waikato New Zealand Village - 60 km
Puketutu Waikato New Zealand Village - 61 km
Te Kawa Waikato New Zealand Village - 61 km
Waimiha Manawatu Wanganui New Zealand Village - 61 km
Te Mawhai Waikato New Zealand Village - 61 km
Cambridge Waikato New Zealand City 15000 people 62 km
Te Awamutu Waikato New Zealand City 14000 people 63 km
Otorohanga Waikato New Zealand Village 2600 people 63 km
Waharoa Waikato New Zealand Village <1000 people 64 km
Hangatiki Waikato New Zealand Village - 64 km
Ngaroto Waikato New Zealand Village - 65 km
Te Kawa West Waikato New Zealand Village - 66 km
Hautapu Waikato New Zealand Village - 66 km
Te Kuiti Waikato New Zealand Village 4500 people 66 km
Te Miro Waikato New Zealand Village - 66 km
Whakamarama Bay of Plenty New Zealand Village - 66 km
Mapiu Waikato New Zealand Village - 67 km
Montuoapa Waikato New Zealand Village - 68 km
Bruntwood Waikato New Zealand Village - 68 km
Kaipaki Waikato New Zealand Village - 68 km
Tiheroa Waikato New Zealand Village - 68 km
Tangitu Waikato New Zealand Village - 68 km
Walton Waikato New Zealand Village - 69 km
Oruaiwi Manawatu Wanganui New Zealand Village - 69 km
Greerton Bay of Plenty New Zealand Village - 69 km
Te Puke Bay of Plenty New Zealand Village 7100 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
Tokoroa TKZ unknown 0 11 km
Rotorua ROT 285 Civ. Paved Yes 4500 43 km
Taupo TUO 407 Civ. Paved Yes 4500 48 km
Matamata MTA 55 Civ. Unpaved No 3500 67 km
Hamilton HLZ 52 Civ. Paved Yes 5600 72 km
Tauranga TRG 4 Civ. Paved Yes 4200 77 km
Taumarunui 198 Civ. Unpaved No 4100 81 km
Whakatane WHK 6 Civ. Paved Yes 4100 99 km

Ports

Name LOCODE Country Distance
Tauranga NZTRG New Zealand 74 km
Mount Maunganui NZMMU New Zealand 80 km

Dams

Reservoir Dam Name River Year Distance
Atiamuri Waikato 1958 12 km
Whakamaru Waikato 1956 14 km
Maraetai Waikato 1953 15 km
Ohakuri Waikato 1960 18 km
Waipapa Waikato 1961 20 km
Taupo Taupo Lake Control Waikato n/a 38 km
Arapuni Waikato 1928 38 km
Karapiro Waikato 1947 55 km
McLaren Falls Mangapapa 1925 59 km
Raymond Paraita 1962 60 km
Hinemaiaia B Hinemaiaia 1966 62 km
Kuratau Kuratau 1962 63 km
Hinemaiaia A Hinemaiaia 1952 64 km
Aniwhenua Barrage Rangitaiki 1980 77 km
Otamangakau Otamanakau Stream 1971 79 km
Matahina Rangataiki 1965 83 km
Rotoaira Poutu Poutu 1972 83 km
Rangipo Tongariro 1980 99 km

More information

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