Sentences with phrase «small earthquakes»

Enhanced geothermal systems (hot dry rock) can also increase the risk of small earthquakes.

There have been small earthquakes occur within the state.

Small earthquakes don't disturb the surface, and major earthquakes are too rare to have left much of a historical record.

This arrangement prevents the plates from sticking as much, and allows them to rupture with less stress accumulated - thereby generating smaller earthquakes.

Analysis of vibrations leading up to and during the event show an increasing number of small earthquakes, up to thousands a day, in the previous months.

Hundreds of small earthquakes in Hawaii are shaking the eastern side of Big Island, prompting concerns that Kilauea Volcano could erupt.

Fracking — the process by which water, sand, and chemicals are pumped underground to force the oil out of rock formations — is suspected of contaminating nearby aquifers and wells, as well as causing dozens of small earthquakes near the drill sites.

SkyTruth provides imagery to a community that suspects wastewater injection is causing small earthquakes in Colorado.

«Kilauea volcano produces many small earthquakes and paying particular attention to new seismic activity near this body will help us to better understand where future lava eruptions will come from.»

There have been thousands of small earthquakes over the past week at Bardarbunga, which is Iceland's largest volcanic system and located under the ice cap of a glacier.

«We want to stop fluid injection from triggering even small earthquakes in Texas so that the probability of larger earthquakes is significantly reduced.»

Volcano seismology has traditionally measured small earthquakes at volcanoes.

An exception is the phenomenon of «induced seismicity,» whereby human activity such as geothermal energy projects, mining, gas drilling or the filling of reservoirs apparently sets off swarms of very small earthquakes where there are susceptible geological faults and in certain kinds of underlying rock.

For many generations, Bedouin people living in the Abu Dabbab area on the Egyptian Red Sea coast have heard distinct noises — like the rumbling of a quarry blast or cannon shot — accompanying small earthquakes in the region.

Moreover, scientists suspect that the injection of used fracking fluid into deep disposal wells may have triggered dozens of recent small earthquakes in northeastern Ohio and north Texas.

They put out numerous seismometers and recorded more than 180 small earthquakes between October 30 and May 31, 2009.

But the phenomenon has been brought to the fore by an extraordinary rise in small earthquakes across parts of the central United States.

Evaluating the orientations of thousands of smaller earthquakes surrounding the megathrust fault, Hardebeck calculated the orientation of stress, and from that inferred that all of the faults comprising the subduction zone system have similar strength.

Frequent small earthquakes are still recorded in the New Madrid seismic zone, which is believed to hold the potential for larger earthquakes in the future.

The preliminary results from the Cascadia Initiative include a report of previously undetected, small earthquakes offshore, and seismic imaging that reveals new offshore structures at the subduction zone.

«Although they were correct in saying that small earthquakes seemed to be decreasing, the moderate earthquakes are not decreasing.

ElarmS will be tested using real - time data from small earthquakes over the coming years.

The system works because smaller earthquakes tend to send out high - frequency p waves whereas large - magnitude events radiate lower frequency energy.

Seismic activity began to pick up last August, when a swarm of small earthquakes struck the area.

«The probability of such an event in a given time frame is low compared to smaller earthquake events.

«We were able to detect small earthquakes and locate them very accurately, and see that they were active while the volcano was inflating.»

A deadly quake The case has its roots in 2009, when a swarm of small earthquakes shook the central Italian region of Abruzzo in Italy.

It is also thought that the stick - slip process that frictional melting generates is concurrent to «seismic drumbeats» which are the regular, rhythmic small earthquakes which have been recently found to accompany large volcanic eruptions.

Three of the largest earthquakes in Oklahoma's history happened in 2016, after smaller earthquakes had already started to decline.

New England isn't exactly a major earthquake hotspot, but we do get small earthquakes every year.

The glaciated mountain, which is Iceland's highest volcano, is teasing scientists by producing swarms of small earthquakes under its flanks.

As of press time, according to folks from the U.S. Geological Survey, there have been a series of four small earthquakes centered near San Miguel Island in the Santa Barbara Channel since 1/8, including three during the early morning hours of the 11th.

Anyone who is active in tsunami hazards would had known that far smaller earthquakes than the one that struck Japan generate waves producing inland flooding of up to six meters height about once every two years, on average, somewhere in the world.

The Director of Padang's Disaster Management Authority [Padang, on Sumatra in Indonesia, faces an enormous risk from a predicted earthquake on the same fault that generated the 2004 tsunami] estimates that, if the much smaller earthquake and tsunami expected in Padang were to occur today, 400,000 would die, which is about 45 % of Padang's population.

Natural gas hydrofracturing took a public relations hit this month, when a British energy company admitted that its fracking operation in England was the direct cause of several small earthquakes earlier this year.

REVIEW: The site of this underwater observatory is Axial Seamount, an active volcano located off the coast of Oregon and Washington where two of the Earthâ $ ™ s tectonic plates move apart causing small earthquakes and sometimes magma intrusions and volcanic eruptions.

First detected by networks monitoring seismic activity in 1998, the tiny ripples were initially chalked up to the many small earthquakes that occur each day around the world.

There have been reports of small earthquakes near some injection sites for fracking waste in Texas, a state not known for seismic activity.

In recent years there has been an increase in smaller earthquakes at Mt. Fuji which could indicate the movement of magma underground inside the volcanic system.

Small earthquakes occur nearly constantly around the world in places like California and Alaska in the United States, as well as in Chile, Indonesia, Iran, the Azores in Portugal, New Zealand, Greece, and Japan.

A recent report from the U.S. Geological Survey concludes, for example, that a nearby shale gas well probably caused a swarm of 43 very small earthquakes (largest magnitude, 2.8) in Garvin County, Okla., last January.

Instead, the proliferation of hundreds of small earthquakes in that part of the U.S. is thought to be caused primarily by massive amounts of wastewater injected back into the ground after oil and gas recovery.

But plenty of smaller earthquakes, most not even felt by humans, occur across the world every day due to detonations, such as nuclear weapons testing or mining, or rising magma linked to volcanic activity.

The team reports that the volcano has been stirring for 67 years, with two - year periods of unrest in the 1950s, 1970s, and 1980s giving rise to small earthquakes — a pattern that was also seen in the lead - up to the 1538 eruption.

That well set off a small earthquake that caused the project to be abandoned and led to an 18 - month prohibition on fracking.

It was the financial markets equivalent of a small earthquake: No major casualties in the end, but when the floor started shaking it sure was pretty scary.