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Eastern Greenland had never experienced a landslide and tsunami like this before, Svennevig said. It shows new areas of the Arctic are “coming online” for these kinds of climate events, he added.
The landslide, which took place last year in September, triggered a massive tsunami in Dickson Fjord, creating puzzling tremors and a planet-wide “hum”, scientists said.
[3] [4] [5] Svennevig et al. (2024) recreated the dynamics of the landslide using the available seismic data and estimate it achieved a peak velocity of 42 meters per second. [5] The initial failure triggering the landslide was 150 m thick, 480 m wide and 600 m long, made of a large block of metamorphic rock. [ 5 ]
On Thursday, December 5, residents of Northern California experienced a large earthquake. The United States Geological Survey (USGS) reported that a 7.0-magnitude earthquake occurred just over 60 ...
On 17 June 2017, a landslide measuring 300 m × 1,100 m (980 ft × 3,610 ft) fell about 1,000 m (3,280 ft) into Karrat Fjord, generating a megatsunami that hit Nuugaatsiaq. [ 2 ] [ 3 ] [ 4 ] Initially it was unclear if the landslide was caused by a small earthquake (magnitude 4), [ 2 ] [ 5 ] but later it was confirmed that the landslide had ...
An example of this was the 17 July 1998, Papua New Guinean landslide tsunami where waves up to 15 m high impacted a 20 km section of the coast killing 2,200 people, yet at greater distances the tsunami was not a major hazard. This is due to the comparatively small source area of most landslide tsunami (relative to the area affected by large ...
Signs a tsunami is coming. The biggest indication that you should be on high tsunami risk alert is an earthquake while you’re on the coast. There are several ways to be prepared for a tsunami ...
The landslide has been modelled as a retrogressive failure that moved at a rate of 25–30 metres per second (82–98 ft/s). [23] Another landslide-induced tsunami inundated Santiago, Cape Verde, 73,000 years ago after a collapse of the neighbouring Fogo volcano. [24]