The seismometer placed on Mars by NASA's InSight lander has recorded its two largest seismic events to date: a magnitude 4.2 and a magnitude 4.1 marsquake. The pair are the first recorded events to occur on the planet's far ...
Planetary Sciences
Apr 23, 2022
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The 2016 Kumamoto earthquakes shocked inhabitants of the western island of Kyushu, causing hundreds of casualties and serious damage to vital infrastructure. The epicenter of the quake was traced to the Futagawa fault in a ...
Earth Sciences
Apr 22, 2022
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10
On 15 January, the eruption of a submarine volcano in the Tonga archipelago destroyed 90% of the uninhabited island of Hunga Tonga Ha'apai and formed an ash plume half the size of France. It also generated an atmospheric ...
Earth Sciences
Apr 20, 2022
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Scientifically and emotively, we think every volcano has its own "personality." However, we've discovered that volcanoes share behavior traits—and this could form the basis for an eruption warning system.
Earth Sciences
Apr 20, 2022
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10
In disaster mitigation planning for future large earthquakes, seismic ground motion predictions are a crucial part of early warning systems and seismic hazard mapping. The way the ground moves depends on how the soil layers ...
Earth Sciences
Apr 18, 2022
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30
In 2020, seismologist Goran Ekström noticed a peculiar wiggle picked up on Nov. 28 by seismographs around the world. It emanated from a remote area in British Columbia's steep, glaciated Central Coast Mountains, some 2,400 ...
Earth Sciences
Apr 7, 2022
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12
Earthquakes do more than buckle streets and topple buildings. Seismic waves generated by earthquakes pass through the Earth, acting like a giant MRI machine and providing clues to what lies inside the planet.
Earth Sciences
Mar 29, 2022
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495
Authorities on a Portuguese island in the North Atlantic are preparing for the possible evacuation of local people, as six straight days of minor temblors stoke fears of a possible major earthquake or volcanic eruption.
Environment
Mar 24, 2022
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29
Submarine landslides are a geohazard that can affect oil and gas drilling and submarine pipeline and cable construction. They commonly occur where widespread fluid seepage exists.
Earth Sciences
Mar 23, 2022
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3
Earth is layered like an onion, with a thin outer crust, a thick viscous mantle, a fluid outer core and a solid inner core. Within the mantle, there are two massive blob-like structures, roughly on opposite sides of the planet. ...
Earth Sciences
Mar 10, 2022
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