This is the recording of the ~09:30 UTC Southern Indian Ocean event from Kilima Mbogo, Kenya. The signal has had a highpass filter applied to it at 0.01 Hz, 0.05 Hz, 0.1 Hz & 0.2 Hz respectively. As can be seen the signal is very low frequency
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Narrowing the location down the origin area appears to be in the region of the Comoros/Mayotte. A news article today suggests that the Mayotte swarm which began earlier this year may indeed be magmatic-related. Was this event a submarine volcanic eruption? lejournaldemayotte.yt/seismes-carte-
Confirmation of location places it near the Comoros. Arrival times from FOMA (Southern Madagascar) & KMBO (Kenya) are almost identical, with FOMA perhaps slightly closer (<1 minute prior arrival time) - sadly I cannot narrow down the arrival time any better for FOMA.
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That would have been a big eruption to create a signal that is seen over half the planet. This is really strange.
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