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Tag: earthquake

Climate change: Earthquake ‘hack’ reveals scale of ocean warming

Climate change: Earthquake ‘hack’ reveals scale of ocean warming

Science
Scientists have found a clever new way of measuring ocean warming, using sound waves from undersea earthquakes. The researchers say the "hack" works because sound travels faster in warmer water.The team looked at sonic data from the Indian Ocean emitted by tremors over a 10-year period.As the seas have warmed due to global heating, the scientists have seen the sound waves increase in speed.Their new method shows the decadal warming trend in the Indian Ocean was far higher than previous estimates.Having accurate information on the warming of our oceans is critical for climate scientists.They understand that around 90% of the energy trapped in our atmosphere by greenhouse gases is absorbed by the seas.But having precise temperature...
Earthquake may have destroyed Canaanite palace 3,700 years ago

Earthquake may have destroyed Canaanite palace 3,700 years ago

Science
Sept. 11 (UPI) -- A new archaeological analysis suggests an earthquake may have destroyed a Canaanite palace 3,700 years ago. Excavations at a large dig site outside of Tel Kabri, Israel, have revealed an impressive palatial complex. Evidence suggests the city and palace flourished during the Middle Bronze Age, from 1900 to 1700 B.C. But roughly 3,700 years ago, the palace was abandoned. Advertisement "We wondered for several years what had caused the sudden destruction and abandonment of the palace and the site, after centuries of flourishing occupation," Assaf Yasur-Landau, co-director of the excavation, said in a news release. "A few seasons ago, we began to uncover a trench which runs through part of the palace, but initial indications suggested that it was modern, perhaps dug within ...
6.6-magnitude earthquake strikes Philippines; 1 dead

6.6-magnitude earthquake strikes Philippines; 1 dead

World
Aug. 18 (UPI) -- A 6.6-magnitude earthquake struck central Philippines Tuesday, killing at least one person, officials said. The temblor struck at 8:03 a.m. at a depth of 13 miles about 4 miles east of the Cataingan municipality in the central island province of Masbate, the Philippine Institute of Volcanology and Seismology said in a statement. Advertisement Cataingan disaster officer Venus Rojo confirmed to local media that a retired police senior superintendent had died after becoming pinned under his house, which had collapsed in the quake. According to the Philippine Red Cross, several roads were damaged and many buildings had collapsed in Masbate due to the temblor, forcing at least 11 people to seek shelter at the Cataingan National High School. "Psychosocial support is ongoing," R...
Ridgecrest temblors increase chance of San Andreas earthquake, new study says

Ridgecrest temblors increase chance of San Andreas earthquake, new study says

Science
July 13 (UPI) -- The Ridgecrest temblors that hit California last year could make a San Andreas earthquake more likely, a new study found. The likelihood is higher because the 2019 temblors in Ridgecrest, Calif., "stressed the Garlock Fault," and the Garlock Fault links the Ridgecrest faults with the San Andreas fault, researchers said in the study, published Monday in the Bulletin of the Seismological Society of America. Advertisement The 6.4-magnitude and 7.1-magnitude Ridgecrest earthquakes caused no deaths and modest damage because they were in a remote desert area of Southern California, but they "could have far-reaching effects," according to researchers. If another big earthquake ruptures the Garlock, it could cause a chain reaction that triggers a San Andreas earthquake north of L...

Earthquake hits northern Swedish mine, no one injured

World
An earthquake struck a northern Swedish mine on Monday, with officials saying it was one of the strongest ever measured in the countryByThe Associated PressMay 18, 2020, 10:13 AM1 min read1 min readSTOCKHOLM -- An earthquake struck a northern Swedish mine on Monday, with officials saying it was one of the strongest ever measured in the country. While 13 people were in the mine at the time, no one was injured. The Swedish National Seismic Network said the earthquake was magnitude 4.1, just shy of the 4.3 earthquake measured in southern Sweden in December 2008. The shake occurred shortly after 3 a.m. in the town of Kiruna. The mine is said to be the largest and most modern underground iron ore mine in the world. The Norwegian Seismic Array NORSAR said the earthquake was tied to the ore extr...