Tsunamis
Tsunami warning system, reeling from funding and staffing cuts, is dealt another blow
Nine seismic stations in Alaska are set to go dark this month, leaving forecasters without important data used to assess risks.
Philippines hit by strong aftershock and tsunami warning after 7.4 magnitude quake
At least two people have died, while towns near the epicentre suffered structural damage.
Why one of the world's most powerful earthquakes caused so little damage
The tsunami wasn't as deadly as feared, but that doesn't mean it was poorly forecast or didn't pose a risk, researchers say.
Live Updates
Tsunami waves reach Hawaii, California after huge quake off Russia
Tsunami warnings were issued and evacuations were ordered across the Pacific after the 8.8-magnitude earthquake struck off Russia’s remote Far East.
Russia
Video shows Russian medics performing surgery during massive earthquake
The Russian earthquake, which hit off the Kamchatka Peninsula, was one of the most powerful ever recorded.
Tsunami alerts for Alaska canceled after 7.3-magnitude earthquake off Aleutians
No damage was immediately reported. The main threat had been dangerous currents or waves, not widespread inundation, the U.S. Tsunami Warning Center said. 
7.0 earthquake in Northern California knocks out power to thousands
The earthquake rumbled at around 10:44 a.m. local time about 62 miles west of Ferndale, California, according to the U.S. Geological Survey. 
The mysterious case of a 650-foot tsunami witnessed by no one
The tsunami, one of the largest ever recorded, was the result of a series of rare, cascading events set in motion by melting ice.
World
Japan issues first 'megaquake' warning after 7.1-magnitude temblor
The earthquake occurred off Miyazaki Prefecture at 4:42 p.m. local time (3:42 a.m. ET) at a depth of about 18 miles, the Japan Meteorological Agency said.
Researchers gain clearest picture yet of fault that threatens the Pacific Northwest
An underwater fault could devastate the West Coast with a major earthquake and tsunami. Researchers mapped it comprehensively for the first time.
World
Tsunami alert issued after volcano erupts in Indonesia, with thousands told to evacuate
The Ruang volcano has had at least five large eruptions in the last 24 hours.
