Eruption at a newly-discovered underwater volcano, located about 50 - 60 km (31 - 37 miles) east of Mayotte, Indian Ocean continues with increased seismicity and associated deformations. During the month of August, REVOSIMA detected 361 volcano-tectonic earthquakes...
September 07, 2021
A strong long-period earthquake activity (LP) was registered at a newly-discovered underwater volcano near Mayotte starting at 16:33 UTC on July 31, 2021. A total of 186 LP earthquakes were recorded in three separate swarms, each associated with a very long-period...
August 04, 2021
New lava flows have been observed at a newly-formed submarine volcano near Mayotte during MAYOBS 15 mission from October 1 to 26, 2020. The flow extends over 6 square km (2 square miles) and is up to 60 m (197 feet) thick. 20 to 30 earthquakes also occur near the...
November 03, 2020
New maritime campaigns carried out last month off the coast of Mayotte acquired new readings of the seabed over an area of approximately 1 500 km2 (580 mi2) east of the island. The goal was to better understand the seismo-volcanic crisis affecting Mayotte since May...
June 08, 2020
Nearly 900 earthquakes were detected at the new submarine volcano near Mayotte between February 16 and 29, 2020, according to the latest REVOSIMA report. French geological survey BRGM noted that there were 138 localized tremors with an average of 10 per day during...
March 06, 2020
Mahoran authorities have started planning emergency and safety measures in case of dangerous seismic or volcanic activity near Mayotte due to a newly-discovered underwater volcano, which has been showing continuous activity since 2018. The seismic swarm found about...
February 11, 2020
A new underwater volcano formed near the island of Mayotte in the Indian Ocean in 2018, which was confirmed in May 2019. Now, an international team of scientists is unraveling the dramatic events that led to its creation. It is the deepest and largest magma...
January 07, 2020
Tropical Cyclone "Belna" formed December 5, 2019, as the second named storm of the 2019/20 Southwest Indian Ocean tropical season. The cyclone is intensifying and is expected to reach intense tropical cyclone status before making landfall over Madagascar. ...
December 06, 2019
REVOSIMA's update on November 30, 2019, showed the continuous seismo-volcanic activity at a newly-forming submarine volcano near Mayotte island from October 16 to 30, including 186 localized earthquakes and an average of 12 tremors per day-- one of which was M3...
December 04, 2019
Eruption at a developing submarine volcano east of Mayotte continues and may contaminate Petite Terre's Lake Dziani. The underwater volcano is the reason behind the seismo-volcanic crisis affecting the small island in the Indian Ocean since May 2018. The...
November 21, 2019
Attempts to understand the reason behind the intense volcano-seismic crisis affecting Mayotte since May 2018 have finally resulted in a solid answer - the discovery of newly forming underwater volcano. The volcano is located 50 km (31 miles) east of the Petite-Terre...
May 17, 2019
It's been almost a full year since the start of an intense earthquake swarm near the island of Mayotte and it seems we'll have some answers soon. While GPS stations show significant subsidence at the island, suggesting emptying of a nearby magma chamber,...
March 13, 2019
A meteor exploded over the island of Mayotte, South Indian Ocean on February 18, 2019, sparking panic among residents. According to a statement released by the Mayotte Prefecture, the explosion took place at 21:30 local time (18:30 UTC). "Some of the...
February 19, 2019
A large number of dead fish emerged at various sites off the barrier reef just east/southeast of Mayotte, the oldest volcanic island in the Comoros Basin located between Madagascar and Mozambique. This is the site of an intense earthquake swarm that started in May...
January 16, 2019
International seismic networks detected an atypical very low frequency signal originating near the island of Mayotte just before 09:30 UTC on November 11, 2018. Signals of this type are characteristic of volcanic phenomena. A rare earthquake swarm started near the...
November 29, 2018
Abnormal earthquake swarm near the volcanic island of Mayotte in the Comoros Basin (Mozambique Channel) continues for nearly two months, creating anxiety and stress among locals. The quakes are all occurring in the same spot, about 50 km (31 miles) to the east of...
July 02, 2018
A rare earthquake swarm started near the small Indian Ocean island of Mayotte on May 10, 2018 and continues to date. Mayotte is the oldest volcanic island in the Comoros Basin grouping and quakes likely are the result of a seismic hot spot as well as the...
May 15, 2018
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