What does that mean? (7.2 earthquake - Caribbean...)

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What does that mean? (7.2 earthquake - Caribbean...)

Post by RuneTheChookcha » Tue Apr 27, 2021 1:15 pm

I don't know where to post this, so here it goes.

This is recorded at volcanodiscovery.com:

"Major magnitude 7.2 earthquake - Caribbean Sea, Colombia, on 2021-04-22"
https://www.volcanodiscovery.com/earthq ... ombia.html

My question is, what means the following comment:

"This record is considered not to be from an actual earthquake. It could be due to some other (unkown) event causing shaking, such as explosions, sonic booms, weather or other human or natural causes. Even officially reported earthquakes are sometimes removed again later when seismic signals first processed automatically are later re-interpreted manually not to be from real quakes."
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Re: What does that mean? (7.2 earthquake - Caribbean...)

Post by admin » Tue Apr 27, 2021 2:29 pm

undersea landslides, nuclear explosions, etc. can move the measuring instruments.

although, I am not aware of a 7.0 anything being caused by anything other than a real quake. not like there is a lot of nuclear testing going on in that neighborhood.
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