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+25 +1
An earthquake lasted 50 days, but no one felt it. Here's why.
“You could call them phantom quakes,” one geologist says of the tectonic phenomena known as slow slip events.
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Devastating quakes are priming the Himalaya for a mega-disaster
Moderate earthquakes aren’t releasing enough stress along the region’s faults. They’re actually making it worse.
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Artificial intelligence helps predict volcanic eruptions
Satellites are providing torrents of data about the world’s active volcanoes, but researchers have struggled to turn them into a global prediction of volcanic risks. That may soon change with newly developed algorithms that can automatically tease from that data signals of volcanic risk, raising the prospect that within a couple years scientists could develop a global volcano warning system.
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Here’s who to thank that we all survived the quake on Friday
Years of debate followed the 1964 Good Friday earthquake. This time, we reaped the benefit.
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New California bridge gets sensors to gather earthquake data
A replacement bridge under construction at the second-busiest port in the U.S. isn't just a crucial route for cargo trucks and Southern California commuters — it's a concrete-and-steel science experiment for engineers and seismologists.
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Nearly 100 Volcanoes Discovered Under Antarctic Ice Sheet
Nearly 100 previously unknown volcanoes, some of which are more than 12,000 feet tall, have been discovered hidden more than a mile beneath the extensive ice sheets of western Antarctica, according to researchers from the University of Edinburgh’s School of Geosciences.
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How California is preparing for the next big earthquake
The scene is terrifying -- entire sections of a Mexico City office building fall away and crash to the ground. The screams of people reacting are almost worse. That moment, captured on cellphone video, shows just one of a number of buildings, from apartments to schools to governmental offices, that collapsed during the 7.1 magnitude quake that hit Mexico on September 19.
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Strong 6.2-magnitude earthquake hits Mexico City
A powerful 6.2-magnitude earthquake has hit Mexico City, a Mexican monitoring body has said, and there are reports from witnesses of buildings shaking. It wasn't immediately clear if the trembler, which was centred in the southern state of Oaxaca, had caused any damages or injury. "I was frightened because I thought, not again!" Alejandra Castellanos, who was on the second floor in a central neighbourhood of the city, told the Associated Press. Ms Castellanos ran down the stairs and to the street with her husband as soon as she felt hte earthquake.
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+19 +1
'Strongest in 100yrs': Mexico quake death toll rises to 32 as state of emergency declared
The death toll from an 8.2-magnitude earthquake that hit Mexico has reached at least 32, according to tallies from local authorities.
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Mexico struck by earthquake of magnitude 8.0, tsunami possible: USGS
An earthquake of 8.0 preliminary magnitude struck off Mexico's coast late Thursday local time, the Pacific Tsunami Warning Center said.
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A molten puddle deep under Iceland may reveal where volcanoes get their lava
Ultralow-velocity zones may anchor volcano-feeding mantle plumes
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'Big bang' and 'pillar of fire' as latest of two new craters forms this week in the Arctic
Scientists have located two fresh craters formed on Yamal peninsula this year, with the latest exploding on 28 June with the eruption picked up by new seismic sensors specifically designed to monitor such events, The Siberian Times can disclose.
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+13 +1
6.0 earthquake strikes western Turkey, depth of 10km
An earthquake with a magnitude of at least 6.0, at a depth of approximately 10km, has struck off the coast of western Turkey. Effects of the quake have been felt in the cities of Izmir and as far away as Athens in Greece, according to the European Earthquake monitor, EMSC.
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A self-repairing surface that stays clean and dry
THE repulsive powers of lotus leaves are the stuff of legend. Water sprayed onto them forms instantly into silvery beads (see picture) and rolls right off again—carrying any dirt on the leaf’s surface with it. The physics behind this impressive and beautiful phenomenon is well understood. Lotus leaves repel water because they are covered with minuscule waxy nodules that stop water molecules bonding with a leaf’s surface tissues, meaning those molecules bond with each other instead. That arrangement has been replicated in several man-made materials.
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Rome metro evacuated as three earthquakes hit Italy
Four earthquakes have struck Italy, shaking buildings in Rome and Florence just months after almost 300 people were killed in one of the worst disasters in living memory. Residents of the capital described their homes and offices shaking when the first tremor struck at around 10.25am local time (9.25am BST). The US Geological Survey (USGS) measured the initial quake at magnitude 5.3, placing the epicentre in central Italy at a depth of six miles (10km).
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Risk of big earthquake on San Andreas fault rises after quake swarm at Salton Sea
The rumbling started Monday morning deep under the Salton Sea. A rapid succession of small earthquakes — three measuring above magnitude 4.0 — began rupturing near Bombay Beach, continuing for more than 24 hours. Before the swarm started to fade, more than 200 earthquakes had been recorded.
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Texas quakes caused by injection wells, scientists determine
Texas earthquakes, one reaching magnitude 4.8, were caused by injections of wastewater in drilling for oil and gas, scientists say. Using radar from satellites, a study published in the journal Science, found that five significant East Texas quakes in 2012 and 2013 were not natural occurrences. For the first time, scientists were able to track the uplifting ground movements in the quakes. The study's co-author, Stanford University geophysicist William Ellsworth, said the technique provides a way to determine which quakes are man-made.
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Pink Tentacle
+ Video
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Massive ‘Lava Lamp’ Blobs Deep Inside Earth Have Scientists Puzzled
Geoscientists have much to learn about mysterious blobs of hot rock deep in the Earth’s mantle, such as exactly what they’re made of and how they formed. By Greg Uyeno.
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Rainwater can help trigger earthquakes
Where it rains, it rumbles. Rainwater and snowmelt help fuel intense earthquakes along a New Zealand tectonic fault, new research suggests. Tracing the source of water flowing through New Zealand’s Alpine Fault shows that more than 99 percent of it originated from precipitation, researchers report April 19 in Earth and Planetary Science Letters. Scientists knew that underground fluids help trigger quakes, but the origins of these fluids have been uncertain. In this case...
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