Swarms of distant tremors occur when vibrations from a big quake pass over faults—a common phenomenon that may have occurred during the recent China quake, experts say.
... magnitude could set off non-volcanic tremor so far away.
The San Andreas ... apart.
"It's fairly obvious. There's no question of this tremor being triggered by the seismic waves from Sumatra," Ghosh ...
... great Indian Ocean earthquake that struck off the Indonesian island of Sumatra on the day after Christmas in 2004 set off tremors nearly 9,000 miles away in the San Andreas fault at Parkfield, Calif.
... first compelling evidence to explain regular tremors under Vancouver Island. The Cascadia megathrust ... fault lines in the region where episodic tremors occur are structurally weak and prone to slip ...
... slip events coincide with regular occurrences of what scientists call nonvolcanic tremor, which showed up clearly on seismometers but for which the origins were uncertain.
Now researchers from Italy ...
... of the Juan de Fuca and North American plates. "We are quite confident that each episodic tremor and slip event will increase the stress on the megathrust fault," one of the researchers said. "If a ...
(AP) -- New tremors at Alaska's Mount Redoubt are prompting speculation that the volcano could be in a phase that will lead to more instability. The 10,200-foot volcano erupted six times Sunday and ...
... , sensors at the British Geological
Survey's stations in Devon, Herefordshire and Aberdeen picked up a
tremor that registered around magnitude five on the Richter
scale.Yet it was quickly clear this ...
... ) navigation, and damage electric power grids.
Rae and Mann's team has also determined that the magnetic tremors show that the space storm impact into the atmosphere has a unique epicenter, with the ...
... than the rate before the two quakes.
The researchers conclude that the increased rate of tremors may indicate that stress is accumulating more rapidly than in the past along this segment of the San ...
... a median follow-up of seven years, 84 percent of patients had significant or complete resolution of tremors. In patients with Parkinson's disease, 83 percent had near or complete tremor resolution, ...
SANTIAGO (Reuters) - A volcano in southern Chile spewed a vast cloud of ash before dawn on Friday, triggering earth tremors and prompting the evacuation of about 250 people, officials said.
... disorders (adductor laryngeal dystonia), focal limb dystonias (such as writer’s cramp), essential tremor and some forms of spastic bladder disorders. This guidelines project was chaired by David M. ...
... the Ibaraki Prefecture and measured 6.8 on the Richter scale, but Japan's meteorological agency told the Agence France-Presse (AFP) that it does not expect the tremors to result in a tsunami. [More]
... for Disease Control, there were 4,651 cases between 1964 and 2005. Symptoms range from a mild headache to high fever and tremors. Mortality is between 5 and 30% and is higher among the elderly.