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Earthquakes News -- ScienceDaily Earthquake News. Early detection, historic earthquakes, earthquake measurement, smart building methods and more in our earthquake research news.

  • Site of the next major earthquake on the San Andreas Fault?
    on June 19, 2018 at 8:41 pm

    Many researchers hypothesize that the southern tip of the 1300-km-long San Andreas fault zone (SAFZ) could be the nucleation site of the next major earthquake on the fault, yet geoscientists cannot evaluate this hazard until the location and geometry of the fault zone is documented. […]

  • 'Slow earthquakes' on San Andreas Fault increase risk of large quakes
    on June 18, 2018 at 3:28 pm

    A detailed study of the California fault has discovered a new kind of movement that isn't accounted for in earthquake forecasting. […]

  • Disaster recovery requires rebuilding livelihoods
    on June 6, 2018 at 1:05 pm

    The short-term losses people suffer when natural disasters strike can turn into long-term poverty if reconstruction policies don't consider how people are going to make a living. […]

  • Scientists find pre-earthquake activity in central Alaska
    on June 5, 2018 at 2:35 pm

    New research may help future work in early warning systems for earthquakes. Scientists found evidence for accelerating activity before a 2016 earthquake in a laterally moving fault zone in central Alaska including a process that has previously only been seen in laboratory experiments. […]

  • New insight into Earth's crust, mantle and outer core interactions
    on June 5, 2018 at 2:34 pm

    A new study uses previously unavailable data to confirm a correlation between the movement of plate tectonics on the Earth's surface, the flow of mantle above the Earth's core and the rate of reversal of the Earth's magnetic field, which has long been hypothesized. […]

  • Long thought silent because of ice, study shows east Antarctica seismically active
    on June 4, 2018 at 3:26 pm

    Half of Antarctica has long thought to be seismically dormant, but a researcher tripled the number of recorded earthquakes by monitoring for just one year. […]

  • Doubt cast on the predictive value of earthquake foreshocks
    on June 4, 2018 at 3:25 pm

    A new study questions previous findings about the value of foreshocks as warning signs that a big earthquake is coming, instead showing them to be indistinguishable from ordinary earthquakes. […]

  • Widespread methane seeps off Oregon coast
    on May 31, 2018 at 2:28 pm

    For the past two years, scientists have surveyed the Pacific Northwest near-shore region mapping sites where underwater bubble streams signify methane gas is being released from the seafloor. […]

  • Seismometer readings could offer debris flow early warning
    on May 30, 2018 at 3:32 pm

    A debris flow that struck Montecito, Calif., in January was detected by a nearby seismometer. […]

  • Flow in the asthenosphere drags tectonic plates along
    on May 29, 2018 at 5:19 pm

    New simulations of the asthenosphere find that convective cycling and pressure-driven flow can sometimes cause Earth's most fluid layer of mantle to move even faster than the tectonic plates that ride atop it. […]

  • Cold production of new seafloor
    on May 24, 2018 at 3:24 pm

    Magma steadily emerges between oceanic plates. It pushes the plates apart, builds large underwater mountains and forms new seafloor. This is one of the fundamental processes that constantly change the face of the Earth. But there are also times when new seabed is created without any volcanism, by un-roofing mantle material directly at the seafloor. Scientists have now published the first estimation based on seismic data on how much seafloor is produced this way. […]

  • Applying machine learning tools to earthquake data offers new insights
    on May 23, 2018 at 7:00 pm

    In a new study, researchers show that machine learning algorithms could pick out different types of earthquakes from three years of earthquake recordings at The Geysers in California, a major geothermal energy field. The repeating patterns of earthquakes appear to match the seasonal rise and fall of water-injection flows into the hot rocks below, suggesting a link to the mechanical processes that cause rocks to slip or crack, triggering an earthquake. […]

  • Repeating seismic events offer clues about Costa Rican volcanic eruptions
    on May 17, 2018 at 4:32 pm

    Repeating seismic events--events that have the same frequency content and waveform shapes--may offer a glimpse at the movement of magma and volcanic gases underneath Turrialba and Poas, two well-known active volcanoes in Costa Rica. […]

  • Evaluating active pressure management of induced earthquakes
    on May 17, 2018 at 3:38 pm

    Can altering the amount or rate of fluid injection and production in an oil and gas field or carbon storage site affect induced earthquakes in that field? A physics-based simulation suggests that this type of "active pressure management" can be useful in controlling induced seismicity at certain wells. […]

  • Continental shelf shape leads to long-lasting tsunami edge waves during Mexican earthquake
    on May 17, 2018 at 3:33 pm

    The shape of the continental shelf off the southern Mexican coast played a role in the formation of long-lasting tsunami edge waves that appeared after last September's magnitude 8.2 earthquake. […]

  • How large can a tsunami be in the Caribbean?
    on May 16, 2018 at 2:23 pm

    The 2004 Indian Ocean tsunami has researchers reevaluating whether a magnitude 9.0 megathrust earthquake and resulting tsunami might also be a likely risk for the Caribbean region, seismologists report. […]

  • Eyewitness accounts fill in details of 1946 Dominican Republic tsunami
    on May 15, 2018 at 2:56 pm

    Almost 70 years later, the man remembers the August day in Playa Rincon, when he clung to the top of an almond tree to survive a tsunami where the waters rushed about 700 meters inland after a magnitude 8.1 earthquake. His recollections and other astonishing eyewitness accounts of the tsunami that struck the Dominican Republic in 1946 are being used to reconstruct the tsunami's heights and inundation distances. […]

  • Radar reveals details of mountain collapse after North Korea's most recent nuclear test
    on May 10, 2018 at 7:00 pm

    North Korea's Sept. 3, 2017, underground nuclear test -- it's latest and biggest -- created a 5.2 magnitude earthquake and 4.5 magnitude aftershock. Researchers combined synthetic aperture radar with seismic measurements to determine that the explosion pushed the mountain surface outward up to 11 feet and left it 20 inches shorter, probably after cavity collapse and subsequent compression of fractured rock. The aftershock may have been a tunnel collapse. […]

  • 500-year-old Leaning Tower of Pisa mystery unveiled by engineers
    on May 9, 2018 at 2:50 pm

    Why has the Leaning Tower of Pisa survived the strong earthquakes that have hit the region since the middle ages? This is a long-standing question that experts in earthquake engineering and soil-structure interaction have now solved.. […]

  • 'Snowball Earth' resulted from plate tectonics
    on May 7, 2018 at 7:31 pm

    About 700 million years ago, the Earth experienced unusual episodes of global cooling that geologists refer to as 'Snowball Earth.' Geologists now suggest that those major climate changes can be linked to one thing: the advent of plate tectonics. […]

  • Could seismology equipment help to protect elephants from poachers?
    on May 7, 2018 at 3:18 pm

    Using tools developed to monitor earthquakes, an interdisciplinary team of researchers have found that it's possible to eavesdrop on elephants by listening in to vibrations through the ground as they move about and vocalize. The findings support theories that elephants use ground vibrations for long-distance communication among themselves. They might also lead a new kind of alarm system for detecting elephant behaviors, such as panic running. […]

  • Earthquake aftermath: Life-threatening blood clots in legs and lungs from sitting in cars for...
    on May 3, 2018 at 12:56 pm

    Physicians highlight the risks and clinical significance for individuals who remain seated and immobile in vehicles for prolonged periods. They call for preventive awareness activities and education about the risk of venous thromboembolisms. […]

  • Historical records help uncover new mechanism in deadly 1906 Taiwan quake
    on May 1, 2018 at 5:08 pm

    Researchers reexamining historical seismograms from the 1906 Meishan earthquake have uncovered a new mechanism for the quake, one of the deadliest to ever strike Taiwan. […]

  • Small earthquakes caused by migrating gasses in the underground
    on May 1, 2018 at 12:51 pm

    The metropolitan area of Istanbul with around 15 million inhabitants is considered to be particularly earthquake-prone. In order to be able to assess the risk correctly, researchers must decipher the processes underground. Below the Marmara Sea, an international research team detected earthquakes that were not directly caused by tectonic stresses but by rising natural gas. […]

  • Ample warning of supervolcano eruptions likely, experts say
    on April 30, 2018 at 5:18 pm

    Concern over the potential imminent eruptions of Earth's supervolcanoes, like Taupo in New Zealand or Yellowstone in the United States, may be quelled by the results of a new study suggesting that geological signs pointing to a catastrophic eruption would be clear far in advance. […]

  • Sub-sea rift spills secrets to seismic probe
    on April 26, 2018 at 10:00 pm

    The first study to spring to map the subsurface off the coast of Spain has revealed details about the evolution of the fault that separates the continental and oceanic plates. […]

  • Portable device to sniff out trapped humans
    on April 18, 2018 at 6:14 pm

    The first step after buildings collapse from an earthquake, bombing or other disaster is to rescue people who could be trapped in the rubble. But finding entrapped humans among the ruins can be challenging. Scientists now report the development of an inexpensive, selective sensor that is light and portable enough for first responders to hold in their hands or for drones to carry on a search for survivors. […]

  • Can your dog predict an earthquake? Evidence is shaky, say researchers
    on April 17, 2018 at 3:56 pm

    For centuries people have claimed that strange behavior by their cats, dogs and even cows can predict an imminent earthquake, but the first rigorous analysis of the phenomenon concludes that there is no strong evidence behind the claim. […]

  • Tsunamis could cause beach tourism to lose hundreds of millions of dollars every year
    on April 12, 2018 at 2:29 pm

    Going to the beach this summer? European tourists are more frequently going to places with significant tsunami risk, researchers have found. […]

  • Shaking up megathrust earthquakes with slow slip and fluid drainage
    on April 9, 2018 at 3:26 pm

    Megathrust earthquakes are the most powerful type of earthquake, occurring at subduction zones -- where one tectonic plate is pushed beneath another. By contrast, slow slip events (SSEs) release seismic stress at a lower rate than large earthquakes, re-occurring in cycles. These processes can take place along the megathrust and other planes of weakness in response to loading, releasing low frequency seismic waves. Researchers in Japan consider the fluid drainage processes that can occur from SSEs and their impact on seismic activity. […]