M 5.6 in New Zealand on 21 Oct 2021 21:58 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: 5.6M
Depth: 223.09 Km
Lat/Lon: -39.0609 , 174.9544
Event Date: 21 Oct 2021 21:58 UTC
22 Oct 2021 10:58 Local
Exposed Population: 190 thousand in 100km
Source: NEIC us6000fwke
Inserted at: 21 Oct 2021 22:17 UTC
INFORM Coping capacity of the alert score
2 (New Zealand)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000fwke Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.63  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1403756 0 21 Oct 2021 21:58 5.6M, 223.09km 3.94 N/A (in MMI>=VII) 00:18 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 Wanganui-Manawatu. The nearest places are Tangarakau, Whakahoro, Tahora, Tokirima, Tatu, Kirikau, Kohuratahi, Aukopae, Whangamomona, Mangapurua, and Benneydale.

Radius Population
100 km 190000 people
75 km 72000 people
50 km 12000 people
20 km <1000 people
10 km <1000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Wanganui-Manawatu New Zealand -
Taranaki New Zealand -

Affected populated places

Name Region Province Country City class Population Distance
Tangarakau Manawatu Wanganui New Zealand Village - 10 km
Whakahoro Manawatu Wanganui New Zealand Village - 11 km
Tahora Manawatu Wanganui New Zealand Village - 14 km
Tokirima Manawatu Wanganui New Zealand Village - 15 km
Tatu Manawatu Wanganui New Zealand Village - 15 km
Kirikau Manawatu Wanganui New Zealand Village - 16 km
Kohuratahi Manawatu Wanganui New Zealand Village - 16 km
Aukopae Manawatu Wanganui New Zealand Village - 20 km
Whangamomona Manawatu Wanganui New Zealand Village - 21 km
Mangapurua Manawatu Wanganui New Zealand Village - 21 km
Aotuhia Manawatu Wanganui New Zealand Village - 24 km
Ohura Manawatu Wanganui New Zealand Village <1000 people 25 km
Upper Ruatiti Manawatu Wanganui New Zealand Village - 26 km
Kaitieke Manawatu Wanganui New Zealand Village - 27 km
Waitaanga Manawatu Wanganui New Zealand Village - 27 km
Hikumutu Manawatu Wanganui New Zealand Village - 30 km
Nihoniho Manawatu Wanganui New Zealand Village - 32 km
Pikiariki Manawatu Wanganui New Zealand Village - 32 km
Pehu Taranaki New Zealand Village - 33 km
Taumarunui Manawatu Wanganui New Zealand Village 4900 people 34 km
Okau Taranaki New Zealand Village - 34 km
Taringamotu Manawatu Wanganui New Zealand Village - 35 km
Matiere Manawatu Wanganui New Zealand Village - 36 km
Matau Taranaki New Zealand Village - 36 km
Piriaka Manawatu Wanganui New Zealand Village - 37 km
Okahukura Manawatu Wanganui New Zealand Village - 37 km
Hukapapa Manawatu Wanganui New Zealand Village - 37 km
Oio Manawatu Wanganui New Zealand Village - 37 km
Manunui Manawatu Wanganui New Zealand Village - 37 km
Owhango Manawatu Wanganui New Zealand Village - 37 km
Tuhua Manawatu Wanganui New Zealand Village - 37 km
Ahititi Taranaki New Zealand Village - 37 km
Te Wera Taranaki New Zealand Village - 38 km
Raurimu Manawatu Wanganui New Zealand Village - 38 km
Purangi Taranaki New Zealand Village - 39 km
Uruti Taranaki New Zealand Village - 39 km
Kakahi Manawatu Wanganui New Zealand Village - 40 km
Waitewhena Manawatu Wanganui New Zealand Village - 40 km
National Park Manawatu Wanganui New Zealand Village - 40 km
Okoki Taranaki New Zealand Village - 41 km
Tongaporutu Taranaki New Zealand Village - 41 km
Strathmore Taranaki New Zealand Village - 42 km
Puniwhakau Taranaki New Zealand Village - 42 km
Erua Manawatu Wanganui New Zealand Village - 42 km
Pukearuhe Taranaki New Zealand Village - 43 km
Ngapuke Manawatu Wanganui New Zealand Village - 44 km
Pokaka Manawatu Wanganui New Zealand Village - 46 km
Tututawa Taranaki New Zealand Village - 47 km
Huiroa Taranaki New Zealand Village - 47 km
Pipiriki Manawatu Wanganui New Zealand Village - 47 km
Ongarue Manawatu Wanganui New Zealand Village - 48 km
Horopito Manawatu Wanganui New Zealand Village - 48 km
Takou Taranaki New Zealand Village - 49 km
Raetihi Manawatu Wanganui New Zealand Village 1000 people 49 km
Oruaiwi Manawatu Wanganui New Zealand Village - 49 km
Urenui Taranaki New Zealand Village <1000 people 50 km
Mokau Waikato New Zealand Village - 50 km
Moeroa Taranaki New Zealand Village - 50 km
Douglas Taranaki New Zealand Village - 50 km
Omoana Taranaki New Zealand Village - 51 km
Onaero Taranaki New Zealand Village - 52 km
Tarata Taranaki New Zealand Village - 52 km
Awakino Waikato New Zealand Village - 54 km
Tangitu Waikato New Zealand Village - 54 km
Mahoenui Waikato New Zealand Village - 55 km
Ohakune Manawatu Wanganui New Zealand Village 1300 people 55 km
Makakaho Taranaki New Zealand Village - 55 km
Mokauiti Waikato New Zealand Village - 55 km
Taumatatahi Taranaki New Zealand Village - 56 km
Aria Waikato New Zealand Village - 56 km
Huinga Taranaki New Zealand Village - 56 km
Jerusalem Manawatu Wanganui New Zealand Village - 56 km
Te Popo Taranaki New Zealand Village - 56 km
Ratapiko Taranaki New Zealand Village - 57 km
Motunui Taranaki New Zealand Village - 58 km
Toko Taranaki New Zealand Village - 58 km
Parapara Manawatu Wanganui New Zealand Village - 58 km
Mapiu Waikato New Zealand Village - 58 km
Kaimata Taranaki New Zealand Village - 58 km
Moeawatea Taranaki New Zealand Village - 58 km
Waimiha Manawatu Wanganui New Zealand Village - 58 km
Tikorangi Taranaki New Zealand Village - 59 km
Mangamingi Taranaki New Zealand Village - 59 km
Rangataua Manawatu Wanganui New Zealand Village - 59 km
Tongariro Waikato New Zealand Village - 60 km
Otukou Waikato New Zealand Village - 60 km
Wharehuia Taranaki New Zealand Village - 61 km
Huirangi Taranaki New Zealand Village - 61 km
Tuna Taranaki New Zealand Village - 61 km
Paemako Waikato New Zealand Village - 62 km
Matahiwi Manawatu Wanganui New Zealand Village - 63 km
Waitara Taranaki New Zealand Village 6200 people 63 km
Tawhiwhi Taranaki New Zealand Village - 63 km
Ahuiti Manawatu Wanganui New Zealand Village - 64 km
Waiongana Taranaki New Zealand Village - 64 km
Waipuku Taranaki New Zealand Village - 65 km
Porootarao Waikato New Zealand Village - 65 km
Lepperton Taranaki New Zealand Village - 65 km
Tariki Taranaki New Zealand Village - 65 km
Te Mapara Waikato New Zealand Village - 65 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
Taumarunui 198 Civ. Unpaved No 4100 35 km
Stratford 288 Civ. Unpaved No 3100 62 km
New Plymouth NPL 30 Civ. Paved Yes 4200 68 km
Waiouru 823 Mil. Paved No 3900 74 km
Hawera 114 Priv. Unpaved No 3100 81 km

Ports

Name LOCODE Country Distance
Waitara New Zealand 60 km
New Plymouth NZNPL New Zealand 80 km
Port Taranaki / New Plymouth NZNPL New Zealand 80 km
Patea New Zealand 89 km
Waverley Harbour NZWAV New Zealand 90 km
Wanganui NZWAG New Zealand 99 km

Dams

Reservoir Dam Name River Year Distance
Ratapiko Mako 1926 56 km
Otamangakau Otamanakau Stream 1971 58 km
Patea Patea 1984 63 km
Rotoaira Poutu Poutu 1972 69 km
Kuratau Kuratau 1962 70 km
Mangamahoe Mangamahoe 1931 72 km
Rangipo Tongariro 1980 73 km
Moawhango Moawhango 1975 79 km
Hinemaiaia B Hinemaiaia 1966 98 km
Hinemaiaia A Hinemaiaia 1952 100 km

More information

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