Mayotte Island volcan

Shield volcano 660 m / 2,165 ft

Condition actuelle: en vigilance - niveau agité (2 sur 5)
Last update: 25 déc. 2020 (Submarine eruption off the East coast of Mayotte)

Mayotte, located in the Mozambique Channel between the northern tip of Madagascar and the eastern coast of Africa, consists two main volcanic islands, Grande Terre and Petite Terre, and roughly twenty islets within a barrier-reef lagoon complex.
A submarine eruption occurred from a vent approx. 50 km east of the islands during 2018-19, first detected by intense seismic activity and significant eastward shifts in GPS position of the Mayotte island itself, and later observed during submarine surveys.

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Style éruptif tipique: unspecified
Eruptions du volcan Mayotte Island: 2050 BC ± 500 years

HeureMag. / ProfondeurDistance/Lieu
samedi, 23. octobre 2021 20:33 GMT (1 séisme)
23 oct. 2021 23:33 (GMT +3) (23. oct. 2021 20:33 GMT)
2.7

45 km
47 km (29 mi)
Mozambique Channel, 40 km à l'est de Mamoudzou, Mayotte
mercredi, 20. octobre 2021 21:52 GMT (1 séisme)
21 oct. 2021 00:52 (GMT +3) (20. oct. 2021 21:52 GMT)
2.7

41 km
41 km (25 mi)
Mayotte: Near Mamoudzou
mardi, 19. octobre 2021 18:08 GMT (1 séisme)
19 oct. 2021 21:08 (GMT +3) (19. oct. 2021 18:08 GMT)
3.3

40 km
45 km (28 mi)
Mayotte: Near Mamoudzou
vendredi, 15. octobre 2021 02:25 GMT (1 séisme)
15 oct. 2021 05:25 (GMT +3) (15. oct. 2021 02:25 GMT)
2.7

45 km
47 km (29 mi)
Mayotte: Near Mamoudzou

Introduction

Mayotte Island in the Mozambique Channel between the northern tip of Madagascar and the eastern coast of Africa consists of two volcanoes with diverse geochemistry that were active from the Pliocene to the Holocene. Lavas on the NE were active from about 4.7 to 1.4 million years and on the south from about 7.7 to 2.7 million years. Mafic activity resumed on the north from about 2.9 to 1.2 million years and on the south from about 2 to 1.5 million years. Morphologically youthful-looking maars are present on Mayotte Island, and Zinke et al. (2003) found several pumice layers of Holocene age in gravity cores on the barrier reef-lagoon complex at Mayotte.
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Smithsonian / GVP volcano information

2018-2019 submarine eruption
A submarine eruption occurred during 2018-19 at the ocean floor approx. 50 km east of Mayotte Island. The eruption produced vast submarine lava flows. It was detected by substantial earthquake activity and shifts in the GPS position of the main island. ...plus

See also: Sentinel hub | Landsat 8
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