(Idaho State Journal) -- Bingham County residents are reporting a second mysterious explosion less than a week after the first blast triggered several 911 calls.
Residents in the town of Riverside reported to the local media Sunday evening that they not only heard a loud explosion but the boom was powerful enough to shake their homes.
However, the Bingham County Sheriff's Office says that it did not receive any calls from residents about Sunday night's alleged blast.
This is in stark contrast to the explosion that several Groveland residents reported to the Sheriff's Office on Wednesday afternoon.
Those reports prompted sheriff's deputies, Blackfoot fire units and Idaho State Police to respond to Groveland to find what blew up.
But their search of the area turned up nothing.
Riverside is located about three miles west of Blackfoot, while Groveland is about two miles northwest of Blackfoot. Riverside and Groveland have about 850 residents each.
Because no one reported Sunday night's explosion to the Sheriff's Office it's unclear if the incident is going to be investigated.
When contacted Friday about the Wednesday explosion, the Sheriff's Office had no leads on what caused the blast.
Dozens of Groveland and Riverside residents have commented about the explosions on social media.
Stay with idahostatejournal.com for updates.