Mayor Island volcan
Mise à jour: 3 févr.. 2023 21:21 GMT -
Shield volcano 355 m / 1,165 ft
New Zealand, -37.28°S / 176.25°E
Condition actuelle: normal / en sommeil (1 sur 5)
New Zealand, -37.28°S / 176.25°E
Condition actuelle: normal / en sommeil (1 sur 5)
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Eruptions du volcan Mayor Island: 5060 BC ± 200 years
Derniers séismes proches
| Heure | Mag. / Profondeur | Distance/Lieu | ||
| vendredi, 3 février 2023 GMT (1 séisme) | ||||
| 3 févr. 2023 22:07 (GMT +13) (3 févr.. 2023 09:07 GMT) | 1.9 119 km | 13 km (8.1 mi) South Pacific Ocean, 49 km au nord-est de Tauranga, Nouvelle-Zélande | ||
| mercredi, 25 janvier 2023 GMT (2 séismes) | ||||
| 25 janv. 2023 18:36 (GMT +13) (25 janv.. 2023 05:36 GMT) | 2.8 171 km | 35 km (22 mi) South Pacific Ocean, 66 km au nord-est de Tauranga, Nouvelle-Zélande | ||
| 25 janv. 2023 18:36 (GMT +13) (25 janv.. 2023 05:36 GMT) | 2.8 171 km | 35 km (22 mi) South Pacific Ocean, 66 km au nord-est de Tauranga, Nouvelle-Zélande | ||
| samedi, 21 janvier 2023 GMT (2 séismes) | ||||
| 22 janv. 2023 09:10 (GMT +13) (21 janv.. 2023 20:10 GMT) | 2.5 230 km | 23 km (14 mi) 117 km au nord de Rotorua, Baie de l'Abondance, Nouvelle-Zélande | ||
| 22 janv. 2023 05:52 (GMT +13) (21 janv.. 2023 16:52 GMT) | 2.4 194 km | 21 km (13 mi) South Pacific Ocean, 25 km au nord de Tauranga, Nouvelle-Zélande | ||
Introduction
The small 4-km-wide Mayor Island, also known as Tuhua, in the Bay of Plenty is the emergent portion of a 15-km-wide compound peralkaline lava shield constructed between about 120,000 and 35,000 years ago. A 3-km-wide composite caldera was formed in two or three collapse events, the last of which took place about 6300 years ago, and was accompanied by a plinian eruption that produced tephra deposits up to 70 cm thick on mainland North Island. Post-caldera eruptions generated a series of lava domes and flows emplaced from NNE-trending vents within the caldera that have filled it to depths of at least 180 m. The latest eruption of Mayor Island has not been dated, but was considered by Houghton et al. (1992) to perhaps have occurred only 500-1000 years ago.---
Smithsonian / GVP volcano information
See also: Sentinel hub | Landsat 8 | NASA FIRMS
