The quake at 3:48 p.m. had a magnitude of 2.8, according to the U.S. Geological Survey website. The epicenter was around 2.7 ...

A Mount Rainier lahar could reach nearby towns in about 30 minutes, making volcanic mudflows a major Cascade Range hazard.

Municipalities and federal agencies monitor U.S. waters for microcystins, a toxin produced by harmful algal blooms in Lake Erie, but a University of Michigan study shows that the blooms produce a ...

One of the world's most active volcanoes could begin erupting again over the holiday weekend, according to the U.S.

An earthquake of magnitude 6.0 struck near Honaunau-Napoopoo on the Big Island of Hawaii late on Friday and the state's ...

USGS assesses Kilauea volcano following a magnitude 6 earthquake near Hawaii’s Big Island, with no tsunami threat reported.

I’ve had the good fortune to paddle the Machias River about 35 times over the past 50 years. During the last two decades, ...

CONTRA COSTA COUNTY, CA - A preliminary 2.2 magnitude quake struck near Alamo on Wednesday morning, the U.S. Geological ...

USGS reports a 6.0 magnitude earthquake rocked Hawaii's Big Island Friday night near Hōnaunau-Nāpōʻopoʻo amid ongoing Kilauea ...

A preliminary 2.8 magnitude quake occurred close to Petrolia on Wednesday morning, according to the U.S. Geological Survey.

A 3.2-magnitude earthquake struck near Malibu on Monday night, according to the United States Geological Survey​.

At roughly 4 p.m. HST on Sunday, May 25, Kilauea’s summit did something scientists were not expecting: it stopped inflating ...