Environment

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Scientists have long known earthquakes can cause the Earth to vibrate for extended periods of time. However, in 1998 a research team found the Earth also constantly generates a low-frequency vibrational signal in the absence of earthquakes. Since then, seismologists have proposed different theories to explain the existence of this continuous vibration, from atmospheric disturbances
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Japanese researchers find predictive potential in underground changes associated with 2016 Kumamoto earthquake and subsequent volcanic eruptions. Most of what we know about earthquakes and volcanoes is based on what we can observe at the Earth’s surface. However, most of the action – especially early activity that could help with disaster prediction and preparedness –
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On November 17, 2017, a pilot flying over Öræfajökull volcano in Iceland noticed a new ice-caldron within the volcano’s caldera. Now, volcanologists say the situation is far from normal. Volcanologist Ármann Höskuldsson says that the situation at Öræfajökull volcano is far from normal. The caldera has deepened by 20 meters (65 feet) and crevasses have become
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The Australian Bureau of Meteorology has raised its ENSO Outlook to La Niña, indicating that the tropical Pacific has reached La Niña levels. Climate models suggest this La Niña will be weak and short-lived, persisting until early southern autumn 2018. Signs of La Niña in the equatorial Pacific have increased during spring, BOM reported December
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New activity/unrest was reported for 5 volcanoes between November 29 – December 5, 2017. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Agung, Bali (Indonesia) | Great Sitkin, Andreanof Islands (USA) | Klyuchevskoy, Central Kamchatka (Russia) | Pacaya, Guatemala | Villarrica, Chile. Ongoing activity: Aira, Kyushu (Japan) | Cleveland, Chuginadak Island (USA) | Dukono, Halmahera (Indonesia) |
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Due to increased seismic and infrasound activity recorded over the past few weeks at Shishaldin volcano, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code for the volcano to Yellow and the Alert Level to Advisory on Wednesday, December 6, 2017. The last eruptive episode of this volcano started on January 28, 2014 and ended
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A very bright fireball was recorded streaking through the night sky over Florida around 23:35 UTC on December 5, 2017 (18:35 EST). The event lasted up to 7 seconds. The American Meteor Society (AMS) received 57 reports by 19:00 UTC on December 6. The fireball was observed primarily from Florida’s western coast. One observer reported
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New research using data collected by the European Southern Observatory (ESO) has revealed that a little-known exoplanet called K2-18b could well be a scaled-up version of Earth. Just as exciting, the same researchers also discovered for the first time that the planet has a neighbor. “Being able to measure the mass and density of K2-18b
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A high-speed solar wind stream is affecting our planet today, causing geomagnetic storming. G2 – Moderate geomagnetic storm watch is in effect. Solar wind parameters indicated the onset of a Co-Rotating Interaction Region (CIR) in advance of a polar-connected, positive polarity, coronal hole high speed stream (CH HSS) just after 15:00 UTC, December 4 when total field increased
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Researchers at the Institute of Photonic Sciences made the first demonstration of an elementary link of a hybrid quantum information network, using a cold atomic cloud and a doped crystal as quantum nodes and single photons as information carriers. In a recent study, published in Nature, ICFO researchers Nicolas Maring, Pau Farrera, Dr. Kutlu Kutluer,
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Why does the floor of calderas lift disproportionately without erupting? Researchers from UNIGE and Roma Tre used thermal and experimental models to explain one of the least-understood processes in volcanology: ‘Caldera resurgence‘ A spectacular proof of our planet’s activity, calderas are huge topographic depressions, similar to flat-bottomed craters, with a diameter of several tens of
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After record-breaking rain at some locations on Friday, December 1, 2017, major floods are developing across northeast Victoria and southeast New South Wales, Australia. “At 13:00 Eastern Daylight Time on Saturday, December 2, we’ve got major flood warnings for the Ovens and King Rivers in Victoria, and the Seven and Castle Creeks as well,” the Australian Bureau
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Slowly but steadily, an enormous mass of warm rock is rising beneath part of New England, although a major volcanic eruption isn’t likely for millions of years, a Rutgers University-led study suggests. The research is groundbreaking in its scope and challenges textbook concepts of geology. “The upwelling we detected is like a hot air balloon,
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The year ends with the first and last supermoon of the year, the first of 3 over the next 60 days, one royal meteor shower, and December solstice. Hopefully, this year made us all stronger, wiser and ready for what’s to come in 2018 and beyond. December 6 – Conjunction of Saturn and Mercury –
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Earth is full of bizarre landscapes. Some are land formations moulded over thousands of years, while others are human-made creations that have altered the planet in strange ways. From the bubbling lava lakes of Ethiopia, to a lake that has been nestled in the desert for 2,000 years, here are 29 landscapes that are so incredible,