The study published in the 23 September issue of Science also provides insights into why wastewater injection causes
earthquakes near some wells, but not others.
Researchers are also investigating the benefits of installing dense networks of seismic monitors that could detect tiny
earthquakes near wells.
Not exact matches
«
Earthquakes can trigger
near - instantaneous aftershocks on different faults: Scientists are studying
earthquake aftershocks to
better understand their triggers.»
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.
Three of the nine
earthquakes occurred
near active injection
wells, suggesting a connection to the disposal of wastewater.
An investigation of the most powerful
earthquake ever recorded deep within the Earth suggests deep quakes may be
better at dissipating pent - up energy than similar quakes
near the surface, researchers say in a new study.
«It's not just that more
earthquakes are happening — more
earthquakes are happening preferentially
near injection
wells,» Weingarten says.
For the study, Shirzaei and co-authors William Ellsworth of Stanford University, Kristy Tiampo of the University of Colorado Boulder, Pablo González of the University of Liverpool (UK), and Michael Manga of UC Berkeley focused on four high - volume
wells used for disposing wastewater
near the epicenter for the Timpson, Texas,
earthquake, the release said.
A new study of the Jones
earthquake swarm, occurring
near Oklahoma City since 2008, demonstrates that a small cluster of high - volume injection
wells triggered
earthquakes tens of kilometers away.
The
earthquake has exacerbated fears that the Mount Agung volcano will erupt in the
near future, and put locals as
well as tourists in the region on high alert.
Earthquakes and contaminated drinking water not only sound horrible for people living
near wells — they're also outrageous enough to mobilise outrage across the country.
The more oil companies frack and drill, the more wastewater they inject into disposal
wells near active faults, which can trigger damaging
earthquakes.
Surely, any seismologist who detects rumblings deep in the earth and refuses to speculate on the likelihood of an
earthquake in the very
near futue would be severely criticized, as
well?
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