A wierd seismic sign detected final September didn’t resemble a typical earthquake however slightly a gradual tremor that reverberated for an extra three days. This anomaly prompted scientists to analyze its supply.
Initially, some scientists thought it was an “unidentified seismic object” as a result of it didn’t seem like an earthquake, based on Dr.Stephen Hicks from UCL, a member of the group concerned, as reported by the BBC.
Hicks famous that the sign continued each 90 seconds for 9 days, sparking curiosity among the many scientists and main them to discover the true trigger.
The group used seismic information to hint the sign’s origin to Dickson Fjord in East Greenland. They gathered further clues, together with satellite tv for pc imagery and pictures of the fjord taken by the Danish Navy simply earlier than the sign appeared.
A satellite tv for pc picture revealed a cloud of mud in a gully inside the fjord. Evaluating images taken earlier than and after the occasion confirmed {that a} mountain had collapsed, sending a part of a glacier into the water.
After intensive evaluation, the scientists decided that 25 million cubic meters of rock had crashed into the water, triggering an enormous landslide within the Greenland fjord. This landslide brought on a 200-meter-high “mega-tsunami” that “shook the Earth” for 9 days.
The wave was “trapped” within the slender fjord, transferring forwards and backwards for 9 days and producing the vibrations.
Sometimes, tsunamis, that are often attributable to underwater earthquakes, dissipate inside hours within the open ocean. Nevertheless, this wave remained trapped, based on the BBC.
“This landslide occurred about 200 kilometers inland from the open ocean,” Dr. Hicks defined. “These fjord techniques are advanced, so the wave could not dissipate its power.”
Scientists attribute the landslide to rising temperatures in Greenland, which have melted the glacier on the base of the mountain.
The examine concluded, “Local weather change drives suggestions among the many cryosphere, hydrosphere, and mass losing occasions, and indicators such because the one the authors noticed might present a brand new approach of understanding these interactions.”
Initially, some scientists thought it was an “unidentified seismic object” as a result of it didn’t seem like an earthquake, based on Dr.Stephen Hicks from UCL, a member of the group concerned, as reported by the BBC.
Hicks famous that the sign continued each 90 seconds for 9 days, sparking curiosity among the many scientists and main them to discover the true trigger.
The group used seismic information to hint the sign’s origin to Dickson Fjord in East Greenland. They gathered further clues, together with satellite tv for pc imagery and pictures of the fjord taken by the Danish Navy simply earlier than the sign appeared.
A satellite tv for pc picture revealed a cloud of mud in a gully inside the fjord. Evaluating images taken earlier than and after the occasion confirmed {that a} mountain had collapsed, sending a part of a glacier into the water.
After intensive evaluation, the scientists decided that 25 million cubic meters of rock had crashed into the water, triggering an enormous landslide within the Greenland fjord. This landslide brought on a 200-meter-high “mega-tsunami” that “shook the Earth” for 9 days.
The wave was “trapped” within the slender fjord, transferring forwards and backwards for 9 days and producing the vibrations.
Sometimes, tsunamis, that are often attributable to underwater earthquakes, dissipate inside hours within the open ocean. Nevertheless, this wave remained trapped, based on the BBC.
“This landslide occurred about 200 kilometers inland from the open ocean,” Dr. Hicks defined. “These fjord techniques are advanced, so the wave could not dissipate its power.”
Scientists attribute the landslide to rising temperatures in Greenland, which have melted the glacier on the base of the mountain.
The examine concluded, “Local weather change drives suggestions among the many cryosphere, hydrosphere, and mass losing occasions, and indicators such because the one the authors noticed might present a brand new approach of understanding these interactions.”