Sentences with phrase «many small earthquakes»

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.

Smaller earthquakes and floods happen all over the world every year.

Scientists say a small earthquake was recorded Saturday morning in Putnam County, just a few miles north of the Westchester County border.

The Gove camp were so angered by overnight reports in the Guardian, Daily Mail and Times that Tory campaign director Lynton Crosby had warned No 10 that he was toxic in polls, that Vine endorsed a Daily Mail article which said the reshuffle amounted to a «small earthquake in Whitehall».

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.

Rather, most of the small earthquakes have been linked to injection wells, which dispose of huge quantities of water used to flush out oil and gas in extraction operations.

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.

«It could be in smaller earthquakes, slow slip events, or in a much larger one.»

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

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.

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.

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.

The problem is probably due to a small earthquake that shook the site and bent the launch telescope's mirror.

Afterwards, seismic activity around Japan's capital spiked, and small earthquakes are now three times as frequent as they were before the 2011 event.

A nearby minor fault, capable of generating only a small earthquake, may be more dangerous to a structure than a distant major fault.

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

A second possible method — lowering an unstable flank slowly through a series of small earthquakes — would be much cheaper but fraught with geologic unknowns and potential dangers.

ROME — A project to drill deep into the heart of a «supervolcano» in southern Italy has finally received the green light, despite claims that the drilling would put the population of Naples at risk of small earthquakes or an explosion.

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.

Last year's gigantic landslide at a Utah copper mine probably was the biggest nonvolcanic slide in North America's modern history, and included two rock avalanches that happened 90 minutes apart and surprisingly triggered 16 small earthquakes, University of Utah scientists discovered.

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 Curtin team emphasize that the sound may have come from other sources, such a small earthquake, but thinks that the lead is worth pursuing.

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

Nine small earthquakes had already occurred between March and November 2011 within an eight - kilometer radius of a wastewater injection well run by Northstar Disposal Services.

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

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.

Sbarra and colleagues sought to analyze two variables — how an observer's «situation» and «location» influenced their perception in order to improve the characterization of low macroseismic intensities felt near small earthquakes or far from larger ones.

But given what we know about how big earthquakes are, while it's still possible to have a huge 9.0 magnitude earthquake, it's more likely that it'll be a smaller earthquake, still big, significant over 6.7 magnitude, almost certain to happen by 2038; but one thing [it won't do] is to reshape California's coast; it's not likely to [reshape] California, because it won't be as bad, I think, as people have anticipated.

Now, seismologists led by Michael West of the University of Alaska, Fairbanks, have shown that 14 small earthquakes near Alaska's Mount Wrangell — nearly 11,000 kilometers from Indonesia — were related to the Sumatran quake.

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

In the latest research the researchers used data from previous fracking operations to measure the distance between the furthest detected microseismic event — a small earthquake caused by hydraulic fracturing of the rock or fault reactivation — and the injection point in the fracking borehole.

Yam: I mean, we're focused on California earthquakes, but of course, severe earthquakes happen all over the world, and I think places, as Haiti demonstrated, even smaller earthquakes can cause much greater damage, based on the construction there.

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

Emile Okal at Northwestern University in Illinois cautions that this theoretical approach may only be valid for small earthquakes.

The $ 25 - million project aimed to achieve two firsts: to sample rocks from deep inside an active fault, and to install pressure sensors, thermometers and seismometers within a roughly 3 - kilometre - deep borehole to catch a small earthquake in action.

The mathematical expression of the law at the seismic moment, proposed by Serra and Corral, meets all the conditions needed to determine both the probability of smaller earthquakes and of large ones, by adjusting itself to the most recent and extreme cases of Tohoku, in Japan (2011) and Sumatra, in Indonesia (2004); as well as to determine negligible probabilities for earthquakes of disproportionate magnitudes.

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.

Smaller earthquakes can also be caused by volcanic activity, landslides, mine blasts, and nuclear tests.

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

For instance, their data could be used to explore whether locked patches of the fault separately host magnitude 6 or smaller earthquakes, and if larger, less frequent earthquakes might rupture across patches.

These small earthquakes include M4.9 and 4.8 events off Newport, Oregon in 2004 and a M4.6 off Northern California in 2008.

Now when those small earthquakes hit, I am grounded with all the ammunition I need.

Gusts of wind can come out of the blue in Iceland, there are often rockfalls and small earthquakes... I wouldn't recommend sitting on a ledge with meters of nothing underneath you.....

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

Also, if Yoshi eats certain color shells, then he will gain abilities: Green shells do nothing, red shells allow Yoshi to spit fire, yellow shells allow Yoshi to cause a small earthquake every time the player lands after a jump, which defeats any enemies who are on the ground nearby, and blue shells allow Yoshi to fly for a short period of time.

For example, there is a common misconception that having many smaller earthquakes can somehow «relieve» a major fault such as the San Andreas, and reduce the chance of a major earthquake.

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.