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Strong quake registered off coast of Chile

Santiago, May 20 (EFE).- A magnitude-6.8 earthquake was registered Monday off the coast of Chile's southern Aysen region in the Pacific Ocean, but no injuries were reported and no tsunami resulted, authorities said. The temblor occurred at 5:49 a.m. (0949 GMT) and its epicenter was located some 620 kilometers (384 miles) west of Puerto Aysen and some 1,535 kilometers (952 miles) south-southwest of Santiago, or far out in the Pacific Ocean, the U.S. Geological Survey said.

Eruption of Alaska volcano prompts cancellations of some area commuter, cargo flights

ANCHORAGE, Alaska - An Alaska volcano eruption is prompting regional airlines to cancel flights to nearby communities, including a town that reported traces of fallen ash. Pavlof Volcano released ash plumes as high as 22,000 feet over the weekend, according to the Alaska Volcano Observatory. Clouds obscured the volcano Monday, but U.S. Geological Survey scientists said seismic instruments at the volcano show continuing tremors. "Seismically, it's been pretty steady over the last 12 hours," geologist Chris Waythomas said late Monday morning.

Magnitude 6.8 quake strikes off Chile; no tsunami seen

SANTIAGO (Reuters) - A magnitude 6.8 earthquake struck off the coast of Chile on Monday, the U.S. Geological Survey said, but Chilean emergency authorities said they saw no prospect that the tremor would generate a tsunami. The quake struck 400 miles west of Puerto Aisen at a depth of 6.2 miles, the USGS said. It said the quake had occurred at 5:49 a.m. Chile time (0943 GMT)

Mexico's Popocatepetl volcano spews ash, gas

Mexico City, May 17 (EFE).- Columns of gas and ash 3 kilometers (1.8 miles) high were detected after two strong explosions from the Popocatepetl volcano, Mexico's Cenapred disaster-management agency said Friday. The first blast came at 10:14 p.m. Thursday, followed by another a little more than two hours later. The explosions deposited glowing fragments up to 1.5 kilometers from the crater as well as columns of ash and gas that were carried northeastward by the prevailing winds, Cenapred said.

Study: Natural gas fracking hasn't polluted Arkansas water, but geology there plays a role

PITTSBURGH, Pa. - Hydraulic fracturing for natural gas hasn't contaminated drinking water wells in Arkansas, according to a new study, but researchers said the geology there may be more of a natural barrier to pollution than in other areas where shale gas drilling takes place.

7.0-magnitude quake in remote Northern Mariana Islands

A deep 7.0-magnitude earthquake struck near the Northern Mariana Islands in the western Pacific on Tuesday, the US Geological Survey said, but no tsunami warning was issued. The quake hit 42 kilometres (26 miles) west of Agrihan and 395 kilometres north of the main island Saipan, but it was at a depth of 603 kilometres and seismologists said it was too deep to cause any impact. "Obviously people may get a small shake but there's hardly any population around there," Geoscience Australia seismologist David Jepson told AFP.

Strong quake hits southern Iran

A strong earthquake of 6.2 magnitude hit southern Iran early Saturday, the US Geological Survey said, but there were no immediate reports of casualties or damage. The epicentre of the quake was measured at 85 kilometres (52 miles) southeast of the southern town of Minab at 0208 GMT , the USGS said in a statement. It was at a depth of 36.44 km. The USGS said there was a 35 percent chance of fatalities from the quake which the Hong Kong Observatory measured at 6.1 magnitude.

UK budget airline to test volcanic ash cloud detection technology aimed at avoiding air chaos

LONDON - A U.K. budget airline will create an artificial volcanic ash cloud over Europe this summer to test ash detection technology. The experiment aims to avoid the kind of chaos that paralyzed air traffic during eruptions three years ago.

Exclusive: Warburg's Antero Resources plans IPO - sources

By Michael Erman and Olivia Oran NEW YORK (Reuters) - Antero Resources, an oil and natural gas company controlled by Warburg Pincus LLC, is preparing for an initial public offering that could value it at as much as $10 billion, three people familiar with the matter said on Monday.

Four dead as Philippine volcano erupts

Three German tourists and their Filipino tour guide were crushed to death when one of the Philippines' most active volcanoes spewed a giant ash cloud and a hail of rocks on Tuesday, authorities said. Up to 20 foreigners and their guides were on the slopes of picturesque Mount Mayon when it erupted without warning, and rescue workers had been dispatched on helicopters to search for survivors, officials and a tour operator said. "It rained like hell with stones," local tour operator Marti Calleja quoted an Austrian woman who survived the ordeal as saying.
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