The Latest Breaking News from USGS

Follow for the latest updates on Mauna Loa’s first eruption in 38 years

Hawaii’s Mauna Loa, the world’s largest active volcano, has started to erupt, prompting volcanic ash and debris to fall nearby, authorities said Monday. The eruption began late Sunday night in the summit caldera of the volcano on the Big Island, the US Geological Survey said. Early Monday, it said lava…

Hawaii's Mauna Loa, the world's largest active volcano, began erupting on Sunday for the first time since 1984, ending its longest quiet period in recorded history.

An earthquake of 6.2 magnitude struck off the coast of Baja California in Mexico on Tuesday, the U.S. Geological Survey (USGS) said.

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The Ahyi Seamount volcano is likely erupting in the US Commonwealth of the Northern Mariana Islands, with evidence suggesting the eruption started in mid-October

Experts are investigating whether the activity detected has been caused by shallow earthquakes or material exploding from the crater

The government of Tonga asked citizens to move inland early on Saturday after an earthquake of magnitude 7.3 struck the sea around 211 km (131 miles) from the capital, though a tsunami warning issued for Tonga and American Samoa was lifted.

Mauna Loa’s current seismic activity is above normal levels and has prompted an advisory level of yellow on the four-tier system, officials say

Many San Francisco Bay Area residents were given several seconds' warning before shaking arrived from a magnitude 5.1 earthquake that struck under the mountains east of San Jose, California, this week.

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