They said it was «very likely» that several thousand weak to
moderate earthquakes in recent years were triggered by deep - earth injection of water extracted from the ground as thousands of wells have been drilled into shale oil and gas deposits.
Not exact matches
Many
moderates spoke out
in the immediate aftermath of the election result to praise Corbyn, with Lord Mandelson among those to say the Labour leader had managed to deliver a political
earthquake.
A dome collapse doesn't appear imminent, but scientists are watching for
moderate earthquakes that could disrupt the pile, says seismologist Steve Malone of the University of Washington
in Seattle.
The brief magnetic pulses observed prior to some
moderate - sized
earthquakes might be triggered by chemical bonds breaking
in rocks under stress (such as those deep beneath the San Andreas fault, shown).
«We demonstrated that consecutively triggered
earthquakes can enhance the amount of energy produced by the ruptures, exceeding the design specifications expected for buildings
in moderate seismic hazard zones,» said Tramelli, whose analysis suggests that the shaking from multiple magnitude 5.0
earthquakes would be significantly greater than from an individual magnitude 5.0 event.
A new analysis led by seismologists at UC Santa Cruz, published August 9
in Science Advances, found that the probability of
moderate earthquakes this year
in the affected areas of Oklahoma is two times higher than was suggested by an earlier analysis.
«Although they were correct
in saying that small
earthquakes seemed to be decreasing, the
moderate earthquakes are not decreasing.
Once these algorithms have each been applied
in a process that takes just seconds, the data is passed on to another piece of software called the decision module, which synthesizes it
in an instant and issues an alert to users, including the
earthquake's magnitude, location and expected degree of shaking (weak,
moderate, strong or very strong).
In the days leading up to some recent moderate - sized earthquakes, instruments nearby have picked up brief low - frequency pulses in Earth's magnetic fiel
In the days leading up to some recent
moderate - sized
earthquakes, instruments nearby have picked up brief low - frequency pulses
in Earth's magnetic fiel
in Earth's magnetic field.
Perhaps it's because that even though such events might be relatively rare, we see the effect of even
moderate earthquakes, flooding, etc
in parts of the world where stringent standards and planning have not been
in effect?
As Patrick Lyons noted on The Lede this morning, there were signs that nature was getting interested
in shaking things up a bit — including a
moderate earthquake not far away.
I'm on the road but can't avoid posting on the conviction of six scientists and a government functionary
in Italy on criminal charges, with substantial prison sentences handed down, for statements made about
earthquake risks not long before a
moderate earthquake toppled buildings and killed 308 people
in L'Aquila
in 2009.
Three of Canada's largest cities are located
in regions of high to
moderate risk of
earthquake damage — Vancouver, Montreal, and Ottawa.
Although the chances of a serious
earthquake occurring
in New York are only considered
moderate, it's not immune to
earthquake risk, according to Ellen Melchionni, president of New York Insurance Association (NYIA).
There are 41 territories and states
in the U.S. that fall under
moderate to high risk of
earthquakes.
Newer homes, especially those
in higher - risk regions are built to withstand
moderate earthquake activity.