Verdict on this potential EQ capture please

I would like to believe I captured, somewhat poorly, this eq. If so, it surpasses my best distance by 1K miles or so. Or is this just a happy coincidence? It is an awful small eq for this distance, but I have captured eqs of this magnitude at surprising distances.

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You can definitely believe it!

Even at more than 18500km away, your Shake managed to get the arriving waves quite nicely, I’d say.

In particular, you have clear, distinct arrivals: PKIKP (waves that travel through Earth’s solid inner core - at the P marker) and PKP (waves that are transmitted through the liquid outer core only - the higher-amplitude waves ~60 seconds later).

It’s an excellent capture for “only” an M6.2 from the other side of the world.

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Thanks for the confirmation Stormchaser, and the additional info. I have been so impressed by the sensitivity of my S&B, which sits on the concrete floor of my ground level garage. These are such amazing devices! This is a keeper for me.

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Honestly, it’s the same thought I had when I discovered I could receive signals from earthquakes around the Kermadecs, 17000km away from where I live.

Way before starting to work for Raspberry Shake. What a unit, really.

Also, I think you may have detected the M5.9 aftershock from the same area that happened yesterday. Probably with a smaller amplitude.

Interesting. Kermadecs appears to be a shadow zone for me.

On the aftershock, I think the data is less clear, and by my typical judgement would be one I’d consider a miss.

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Yes, in the end the initial shock (M6.2) was about 2 times stronger in terms of amplitude, and about 3 times stronger in terms of energy release compared to this one (M5.9), so having less evident arrivals becomes understandable.

I can still see a more pronounced PKP arrival (the second, larger one), but both of them barely appear on the spectrogram compared to the other earthquake, that’s for sure.