TOKYO( Kyodo)--A major earthquake with a preliminary magnitude of 8.1 struck the Aleutian Islands

volcano, one of the most active in the Aleutian arc, saw increased lava eruptions just after midnight

north of the Aleutian Islands in Alaska, according to a senior military official, before being

journalism.... Subscribe today.... arrow-right The earthquake occurred along the Aleutian Trench

Aleutian Arc in southern Alaska about 75 miles west of Anchorage, according to a statement released

The quake was reported near Sandpoint, Aleutians East, in Alaska.... According to the United

ANCHORAGE— Three remote Alaska volcanoes are in various states of eruption, one producing lava and the other two blowing steam and ash.So far, none of the small communities near the volcanoes have been affected, Chris Waythomas, a geologist with the Alaska Volcano Observatory, said Thursday. Webcams on Thursday clearly showed episodic low-level ash emissions from Pavlof volcano, prompting the observatory to raise the volcano’s threat level from yellow, or exhibiting signs of unrest, to orange, i

Open this photo in gallery People evacuate the Homer Spit, in Homer, Alaska, after a tsunami warning was issued, on July 28. Sarah Knapp/ The Associated PressA powerful earthquake which struck just off Alaska’s southern coast caused prolonged shaking and prompted tsunami warnings that sent people scrambling for shelters. Residents reported only minor damage, but officials said that could change after sunrise and people get a better look. The National Tsunami Warning Center cancelled the warnings

The ship, with a 48-member crew, is outfitted with technology and tools to peer deep into the ocean to gather data to share with onshore researchers in real time.... High-resolution cameras that can operate at depths of up to 6, 000 meters( 19, 685 feet) allow researchers to document and immediately share their findings.... The ship can also livestream dives to the public. Many factors, such as depth, speed and sonar capability, influence how much sea floor can be mapped....

Dan Sullivan, R-Alaska, who was briefed on the matter earlier this week by U.S. defense officials.... Four U.S. destroyers and air assets, P-8's, that were tracking and monitoring this large-scale Russian-Chinese task force quite closely.... So that is a significant improvement," said Sullivan....