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The study in Geology suggests that "induced seismicity" can occur years after wastewater injection begins.
BBC: Oklahoma earthquake linked to oil extraction wastewater
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The rate of seismicity was high before the new event but reduced during the eruption and overnight has remained at a low level.
BBC: Mount St Helens spews out steam and ash on 5 October 2004
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It lasted about an hour and after this period of tremor, which is a continual signal of rumbles beneath the volcano, the seismicity returned to discrete earthquakes.
BBC: NEWS | Americas | Mount St Helens on highest alert
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The pattern of seismicity has now returned to the level it was at before the ash and steam eruptions - magnitude three earthquakes are occurring at a rate of every five minutes.
BBC: NEWS | Americas | Mount St Helens on highest alert
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What is known about past large Himalayan earthquakes, what is uncertain, and where are the gaps in knowledge and in seismicity where large and destructive events could occur in the foreseeable future?
UNESCO: ICTP seismology workshop in Nepal focuses on Himalayan hazards | United Nations Educational, Scientific and Cultural Organization
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The workshop on Seismicity and Earthquake Engineering in the Extended Mediterranean Region will be hosted by the University of Malta, and sponsored by the United Nations Educational, Scientific and Cultural Organization (UNESCO) and the U.S. Geological Survey (USGS).
UNESCO: Post-Conflict and Post-Disaster Responses
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But the authors of the new study focus on the significantly larger and delayed events in Prague, which they wrote "necessitate reconsideration of the maximum possible size of injection-induced earthquakes, and of the time scale considered diagnostic of induced seismicity".
BBC: Oklahoma earthquake linked to oil extraction wastewater
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"While it appears likely that the observed seismicity rate changes in the middle part of the United States in recent years are manmade, it remains to be determined if they are related to either changes in production methodologies or to the rate of oil and gas production, " wrote David J.
CNN: Debate over fracking, quakes gets louder