UPDATE: Michigan earthquake registers 4.2

KALAMAZOO, MI -- Tremors from an apparent earthquake could be felt across Kalamazoo County Saturday afternoon, prompting emergency calls from all over the Kalamazoo-area.

At approximately 12:20 p.m. Saturday, what is believed to be a "small tremor" rattled through Kalamazoo, Kalamazoo Public Safety Lt. Scott Bowling said.

"Right now, that's what were speculating," Bowling said. "We're getting it all across the county.

"Dispatch line are flooded right now, but we haven't had reports of injuries, or anything serious."

According to police radio traffic monitored by the Kalamazoo Gazette, the tremors could be felt as far as Battle Creek.

* Full coverage of the Michigan earthquake