Sea monster?This is a most odd and unusual seismic signal.“I don’t think I’ve seen anything like it,”.At the centre of the mystery is the tiny island of Mayotte, positioned about half way between Africa and Madigascar. We are dedicated to bringing the world an African view on life, up-to-date African news and analysis.For all inquiries, you can email us at contact@africatimes.com.Get updated with AfricaTimes latest news by email ! While the current seismic network accurately detects seismic events above magnitude 3.5, it cannot produce the precise location of these events.
The Mayotte stations recorded four successive small earthquakes but no strong tremors. Hundreds of quakes have rattled the small nation during that time, most radiating from around 31 miles offshore, just east of the odd ringing. A clairvoyant has posted a video whereby she sees an eruption sinking Madagascar.
The following factors come into play:Seismic events occur regularly and quite frequently along the 500 km of the Comoros archipelago, including earthquakes of around magnitude 5 throughout the zone. Seismic swarms also occur in mainland France, for example in late 2017 in the Maurienne area. The monitoring carried out since the beginning of the crisis shows no evidence that the epicentres are moving closer together.The new data, acquired during missions at sea, may lead to recalculating the location of epicentres, with models different from those used at the beginning of the phenomenon.
These models assume a greater depth than the current model, but the overall distance between the source and the stations (hypocentral distance) is the same as that indicated by BRGM.Magnitudes and locations are not direct measurements but result from calculations based on data measured by seismological stations.BRGM estimates the location and magnitude of earthquakes from 9 stations less than 1,400 km from the epicentres, including three stations in Mayotte (at a distance of 40 to 50 km), and two stations in Grande Comore (located about 270 km from the epicentres). The current episode is therefore in line with the fairly moderate seismic activity known to occur to the north of the Mozambique Channel.Given current knowledge, the seismic events now occurring can be attributed to a combination of dynamic geological phenomena:We are therefore witnessing a geological phenomenon involving a seismic sequence and a volcanic event. The first earthquake was detected on Thursday 10 May at around 8:14 local … Have you felt the shaking?
Scientists say they’ve discovered a new submarine volcano they believe is the cause of an unusual earthquake swarm that’s been affecting the Indian Ocean island of Mayotte for more than a year.The new volcano is located 50 kilometers east of the island and 3500 meters below the surface, standing about 800m high with a base between four and five km in diameter. Most have been minor, but the biggest — on May 8 — was the largest in the island’s recorded history, topping magnitude 5.8.But the earthquake swarm had been in decline before the mysterious ringing was detected earlier this month.Ekström, who specialises in unusual earthquakes, points out much about the November 11 event was weird. Mayotte is part of the Comoros group of islands but remains a French territory, located at the northern edge of the Mozambique Channel between the southern African mainland and Madagascar.The activity came as a surprise to residents, but it also surprised geologists with France’s geological agency,Social media giant Facebook announced Friday a new office in Lagos, Nigeria, meant to support…,Back in 2015, Liberia was among the highest-ranked countries in the world with citizens who…,When extremists attacked a Côte d’Ivoire checkpoint last month at the border with Burkina Faso,…,In Nigeria, the Gokada delivery service continues on despite the gruesome murder of CEO Fahim…,Senegal’s capital Dakar is facing yet another water shortage, though this time concerns have been….Which monthly newsletter do you wish to receive?Africa Times is an independent participative online news site for Sub-Saharan Africa. However, no destructive earthquakes of magnitude 6 or more have yet been recorded near Mayotte.Several hundred seismic events have been recorded in Mayotte since May 2018.
This is a very different type of episode to the phenomenon described as a "main shock, followed by smaller after-shocks", as previously experienced in Mayotte. Signals of this type are characteristic of volcanic phenomena.These observations therefore back up the hypothesis of a combination of tectonic and volcanic effects accounting for a geological phenomenon involving a seismic sequence and a volcanic phenomenon.
It’s been subjected to a swarm of earthquakes since May.
The Mayotte earthquake swarm keeps going and going ... - May 25, 2018. Mayotte earthquake swarm continues - May 15, 2018. Other seismic events are detected by the BRGM's three seismic stations on Mayotte, which also add more detail to the information from the international network (location, magnitude).Location of earthquakes above magnitude 3.8 since the beginning of the current episode up to 29 October. The source of the prolonged Mayotte earthquake swarm has been finally identified. While the island was created by volcanic activity, it’s been dormant for more than 4000 years.The French believe the weird ringing may have been generated by a movement of magma some 50km off the coast and under deep water. If you continue to use this site we will assume that you are happy with it.A COVID vaccine is coming, but is their trust in a vaccine?Côte d’Ivoire, Burkina Faso turn to tech in counterterrorism,Nigeria’s Gokada to press on despite CEO’s shocking death,Senegal’s water shortages require a long-term strategy,Estalla la mayor erupción submarina nunca vista en el Índico | Alerta Catastrofes,La mayor erupción submarina nunca vista estalla en el Índico.
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