LOS ANGELES (CBSLA.com) — Residents from Sacramento to Los Angeles and Las Vegas reported seeing mysterious lights streaking across the night sky.

The flashes of light spurred numerous calls into the CBS2/KCAL9 newsroom from residents in Lennox, Lancaster, Adelanto and Riverside.

The lights were also visible in other states, including Utah, and spurred a flood of reports and video on social media.

Witnesses said the ball of fire in the sky lasted about 30 seconds.

The National Weather Service told Weathercaster Jackie Johnson, who also witnessed the lights, that the incident was not weather-related.

Meanwhile, Vandenberg Air Force Base also told CBS Los Angeles they did not have a launch Wednesday night.

As of 11 p.m., there was no official word on what caused the mysterious lights, though the annual delta aquarids meteor showers were peaking.

Below are some of the videos that have surfaced online:

Huge asteroid shooting star thing entering atmosphere over Vegas. July 27th 2016 9:40 p.m. pic.twitter.com/djdR3Xu6En — Trevor Kerr (@AdmiralTrevMan) July 28, 2016

Saw a comet from my porch in @happeninginHLP -thought Bruce Willis was gonna stop it from destroying the planet pic.twitter.com/GIqPIsRCwE — yoon sul (@yoonicorn213) July 28, 2016

I'm no #ufo guy but this was the weirdest thing ever. Totally silent. like a plane with trailing fire streaks, gone! pic.twitter.com/DqupCP5oG6 — Justin Sweeney (@justindsweeney) July 28, 2016

I think I seen a UFO it went from orange to green pic.twitter.com/rhB05vMVUQ — lenaaaa (@helennnuuuhh_) July 28, 2016

So just witnessed this Comet / Meteor flying above Sacramento. Flew faster than a plane and slower than a star. #wtf pic.twitter.com/iJ7rKnLrH8 — ᴅᴀᴠʏᴅʟᴀʙᴇᴀsᴛ (@DavydLaBeast) July 28, 2016

Two something's just went slowly across the sky here pic.twitter.com/kAbK9XIdHh — Riffs & Synths (@KrisOfGravyAge) July 28, 2016

Just saw something burning fly across the Vegas sky.Phone didn't capture well but it was impressive. #meteor #comet pic.twitter.com/MXXvmVVtWO — Chris Alexander (@OnePositiveDude) July 28, 2016

What was this flying across the sky in American fork Utah pic.twitter.com/46QryLj6rJ — rhett storrs (@rstorrs15) July 28, 2016