Mystery Boom Tuesday could come from aircraft training

Photo by Mike Damron

Above: An F-35C sits on the runway during an open day for the new fighter jet at Marine Corps Air Station Miramar, Jan. 32, 2020.

MCAS Miramar said on Saturday that the loud boom heard in San Diego County Tuesday night may have been caused by aircraft training off the coast.

It happened around 8:15 p.m. and locals – including San Diego Mayor Todd Gloria – took to social media to report hearing the boom.

“Yeah, I heard it,” Gloria wrote on Twitter. “No, I don’t know what it was. I’ll share if I get any information.”

RELATED: Mystery Boom Heard in San Diego County

As the boom was heard, two MCAS Miramar planes were training about 30 miles southwest of San Diego over the Pacific Ocean, the Marine Corps Air Station said on Saturday morning.

“While MCAS Miramar cannot explain all of the sound events occurring in the area, in this case the cause may be due to the formation of the aircraft. Military officials said.

“There are many different factors that would cause a sonic boom to travel great distances from its source,” officials said. “Changes in temperature and humidity can create atmospheric conditions that can cause sound waves to travel farther than at other times.”

The boom has been heard as far south as Tijuana and as far east as El Cajon.

According to the US Geological Survey, no earthquakes were reported in the area at that time.

Camp Pendleton posted on its Facebook page on June 3 that artillery units were to conduct live fire training Saturday through Friday and that explosive ordnance fire was expected between 6 a.m. and midnight each day.


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