Yesterday's loud boom (San Diego)

[casa_mugrienta]

I have decently thick modern windows and I watched them flex in.

In fact I saw it happen just as much as I heard it, if not more.

People say it was Camp Pendleton but WTF could have been exploded up there to cause something like that down here?

 

[Belchfire1]

Ha! We heard it here in Enci. Lunchtime? Actually closer to 3, I was in LA all morning.
Told my wife it was a truck driving by, I actually believed it until I saw your post.
wtf is going on?

 

[GromsDad]

On one of my trips to San Clemente I was surprised at the size of some of the explosions in the hills of Camp Pendleton. This sucker was hanging around off of San O for a couple of days during the festivities.

 

[Mr Doof]

Sonic boom from maneuvers out to sea or test shelling at Camp P.?

On one of my trips to San Clemente I was surprised at the size of some of the explosions in the hills of Camp Pendleton.

From my Oceanside friend's backyard, some nights we'd watch the games in the hills of Camp P. Booms galore.

 

[sushipop]

Felt it around 430PM. There was a similar one last week as well. Initially thought it was an earthquake but they were too similar and more brief than a typical earthquake. UFOs for sure.

 

[LarryTate]

 

[noone999]

Camp Pendelton has said "The camp had already warned the public that “firing of high powered ordinance” would be taking place between February 25 and March 5"

 

[Ifallalot]

Gotta get ready to save the Ukrainians!

 

[casa_mugrienta]

Camp Pendelton has said "The camp had already warned the public that “firing of high powered ordinance” would be taking place between February 25 and March 5"

Yes.

That's 55 miles away from here.

WTF sort of ordinance would that be that would cause glass to flex like that from that far away?

I'm totally ignorant of this sort of stuff so that is what's making me curious.

 

[tenover]

"“The sound of the explosions may be amplified due to environmental factors and heard up to 50 miles away,” Camp Pendleton said."

CBS News

 

[Mr Doof]

1 Atmospheric conditions can bounce sound around quite a bit. We have some cold winter systems moving south lately that could be doing something. FWIW, when Mt St. Helen;s blew up, I was about 60 miles away and heard nothing. Some people 150 miles away heard it.

2 There are a few types of sound from touching off a round. The propellent going boom, the projectile going through the sound barrier, and when slowing from transonic velocity back under Mach 1, you get another crack.

3 Then there are some shells that explode before the target it reached to send another transonic burst (often plasma to torch through armor).

4 Then the target going up.

5 If they are testing the HiMARS rockets, perhaps the rockets at altitude are going transonic.

6 The BAE M777 cannons were (are?) tested at Camp P. and if they are trying to see how far they get a shell downrange....

7 Something new?

 

[$kully]

I'm totally ignorant

We know.

 

[Lance Mannion]

Yes.

That's 55 miles away from here.

WTF sort of ordinance would that be that would cause glass to flex like that from that far away?

I'm totally ignorant of this sort of stuff so that is what's making me curious.

A young man in an F-18 or F-35 will make that noise if going fast enough and pointed towards land.

This was a several time a day occurrence when I was a grom and before they started getting on the Navy’s case about the sonic booms.

You ought to hear/feel one from from about 40 yards away, it’s pretty f’n cool.

 

[$kully]

Roy Stewart broke the sound barrier again.

 

[Subway]

When I was a wee lad in the woods and waters of eastern Long Island, we heard the daily crack of the Concorde at 8:30 am as it broke the sound barrier about 100 miles east of JFK, en route to London (or maybe Paris, but for some random reason I think it was the London bound route that carried right over the south fork)

anyway, on rare days (due to local atmospheric conditions no doubt) the crack would be more like a real bone chattering and china rattling explosion. Never saw glass bend inwards though. But there were times when it felt like a brief earthquake as opposed to its more usual distant lightning crack sound. Actually that doesn’t quite describe it…somewhere between a crack and a boom.

Concorde and Bucolic outdoorsy childhood: Both Done!

 

[sussle]

Around here, they call them Seneca Guns

Enigmatic booming sounds called the "Seneca Guns" have reverberated off parts of coastal North Carolina for more than 150 years, with some powerful enough to rattle windows and vibrate buildings.

https://www.livescience.com/agu-seneca-guns-cause.html

 

[plasticbertrand]

Yes.

That's 55 miles away from here.

WTF sort of ordinance would that be that would cause glass to flex like that from that far away?

I'm totally ignorant of this sort of stuff so that is what's making me curious.

I had cracks from explosions in the large windows at my old place in Oceanside.
Replaced them twice in 8 years.

The explosions are quite common, Camp Pendelton and San Clemente Island.

Freedom isn't free.

 

[caelho]

Growing up in the 70's and 80's in Dana Point we lived right under the flight path of El Toro marine base, and to the south Camp Pendelton was blowing stuff up constantly, I loved it.

In 92 one of the oil refineries in Wilmington blew up, the explosion rattled our house worse than anything from Pendelton or jet flying over, it was gnarly.

At least 17 Texaco employees suffered minor injuries, including cuts and abrasions caused by flying glass and debris. One guard was knocked off her feet by the force of the explosion.

The explosion occurred about 9:45 p.m. Thursday in the hydrogen processing units of the 100,000-barrel-per-day Wilmington Refinery near the Port of Los Angeles.


The jolt was felt through a wide area of Los Angeles and Orange counties and the blaze gave the sky a bright orange glow that was visible for miles. Windows were blown out 2 miles away in Long Beach.

 

[casa_mugrienta]

7 Something new?

That's my guess.

It was nothing like I've ever felt/heard in the vicinity of Camp P.

 

[npsp]

A young man in an F-18 or F-35 will make that noise if going fast enough and pointed towards land.

This was a several time a day occurrence when I was a grom and before they started getting on the Navy’s case about the sonic booms.

You ought to hear/feel one from from about 40 yards away, it’s pretty f’n cool.

This. During the 70's they used to light it up just off of Torrey and every window would shake. Miramar used to deny deny deny that they were going supersonic just off the coast. It ended for a while when a base commander was having lunch at home one day when the neighborhood got rattled pretty good. He called the base anonymously to complain. When they start to deny any activity he identified himself and we had a few weeks of quiet...