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The mystery boom noise has been heard once again in San Diego

#1
C C Offline
https://www.iflscience.com/editors-blog/...san-diego/

EXCERPTS: Last week, residents of San Diego reported another mysterious "boom" noise, accompanied by the unsettling rattling of windows. The boom is the second to take place in the city in the past three weeks, which have been unaccompanied by earthquakes, according to the United States Geological Survey.

The booms are far from the first. For hundreds of years there have been reports of unidentified boom noises across the US. Sometimes accompanied by earthquakes, sometimes not, they have been heard during the New Madrid earthquakes of 1811-1812 right up until January of 2020. They're often described as a "rushing" or "rolling" sound, and ocassionally are associated with cold temperatures rather than earthquakes.

There have been an unusual number of such reports this year around the world, including a Darth Vader breathing-like noise in Bratislava and a boom noise heard by residents of Texas, though most of these new reports could be accounted for by the eery silence during lockdown allowing people to hear background meteorological sounds such as wind and thunder, no longer being drowned out by the noise of traffic and travel.

The booming sounds aren't just limited to the US. Around the world they are known as “Bansal guns” in the Ganges delta and the Bay of Bengal, “yan” in Shikoku, Japan, and “mistpouffers” (fog belches) in Belgium.

[...] Scientists are now using seismic data from the EarthScope Transportable Array (ESTA) to attempt to explain the noises around the US, comparing it to accounts of the noises from 2013 onwards. [...] "Generally speaking, we believe this is an atmospheric phenomenon - we don't think it's coming from seismic activity," researcher Eli Bird told Live Science. "We're assuming it's propagating through the atmosphere rather than the ground." (MORE - details)

San Diego video report: https://youtu.be/XvVDLH5IibI

Darth Vader sound in Bratislava: https://youtu.be/U1d4_YOVCbk

Boom sound example (Bakersfield)

https://www.youtube-nocookie.com/embed/kqSFbcI7ZrE
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#2
Zinjanthropos Offline
Flash of light followed by a boom? Don't they get thunder and lightning storms down there.
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