A landslide is a mass-movement phenomenon in which soil, rock, regolith, or debris moves downslope under the influence of gravity, often along a discrete shear surface or failure plane. It encompasses diverse mechanisms such as rotational and translational slides, debris flows, rockfalls, and avalanches, typically initiated when driving forces exceed resisting forces due to factors like pore-water pressure increase, seismic shaking, weathering, or anthropogenic slope modification. Landslides are characterized by rapid to extremely rapid kinematics, spatial heterogeneity of displacement, and strong dependence on lithology, structural discontinuities, hydrological conditions, and topography, and are central to geomorphological evolution and natural hazard assessment.
An offshore earthquake with a magnitude of 7.8 hit the southern Philippines on Monday, killing at least 35 people, injuring more than 200 others mostly in ruined buildings and sending a 1-meter (3-foot) tsunami into nearby ...
Environment
Jun 8, 2026
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From the Kleines Nesthorn to Pizzo Cengalo, the Alps appear to be crumbling. Permafrost researcher Robert Kenner has penned a summary explaining the role that thawing permafrost and melting glaciers play—or don't play—in ...
Earth Sciences
May 26, 2026
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On the evening of Aug. 9, 2025, passengers on the Hanse Explorer finished taking selfies and videos of the South Sawyer Glacier, and the ship headed back down the fjord. Twelve hours later, a landslide from the adjacent mountain ...
Earth Sciences
May 10, 2026
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When Cyclone Gabrielle tore through New Zealand's Tairāwhiti region in 2023, it left behind more than silt and floodwaters.
Earth Sciences
May 8, 2026
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Thousands of slips in Tairāwhiti in January. The loss of eight lives in the Bay of Plenty later that month. And, days ago, landslides that damaged homes, forced evacuations and blocked roads across the North Island.
Earth Sciences
Apr 23, 2026
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Placed within a borehole drilled deep through the layers of a landslide, a fiber optic cable captured tiny, periodic stick-slip events that offer a unique glimpse at the complex movements within the landslide's shear zone.
Earth Sciences
Apr 18, 2026
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Researchers at University of Tsukuba have developed a method to differentiate the topography of medieval mountain castles from that of natural ridges using airborne light detection and ranging (LiDAR) data. This method is ...
Earth Sciences
Apr 16, 2026
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A new study reveals that most fatal landslides occur in human-transformed environments. Conducted by an international team of researchers from the University of Vienna, Ankara University, Istanbul Technical University, Bursa ...
Earth Sciences
Apr 8, 2026
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The glacier located near Sunlight Peak, Wyo., has been its icy self since the Yellowstone region's last major glaciation occurred some 20,000 years ago. The bulk of Sunlight's ice has remained ensconced in its northern Rocky ...
Earth Sciences
Mar 2, 2026
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Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey. According to new research ...
Earth Sciences
Feb 24, 2026
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