There have been
small earthquakes occur within the state.
Not exact matches
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.
So far, scientists believe that larger
earthquakes are unlikely to
occur following tremors or
earthquakes below a Richter scale of 2 that are caused by
small vibrations or slow fault movements such as those observed in the area of Parkfield along the San Andreas Fault in California, USA.
The
earthquake — estimated at magnitude 9.0 on the Richter scale —
occurred in a total area much
smaller than previous large
earthquakes, such as the 8.8 Chilean
earthquake last year, arguing that the slippage was much greater for the Japan quake, one of the four most powerful
earthquakes on record.
In contrast, similar
earthquake swarms that
occur near the surface can take hours or days to finish, and would likely include a large number of
small aftershocks.
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.
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.
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.
Japanese government used the AGW theory to promote nuclear power in this
small country where huge
earthquakes and tsunamis have
occurred repeatedly.
A tiny seismic event that
occurred in North Korea on 12 May 2010 appears to have bene an
earthquake rather than a
small underground nuclear explosion, according to a new analysis published in the Bulletin of the Seismological...
An aftershock is a
smaller earthquake that
occurs after a previous large
earthquake, in the same area of the main shock.