An apocalyptically - worded story in the latest issue of the New Yorker detailed the devastation that might result from a high -
magnitude earthquake along the Cascadia subduction zone, a fault line that runs from Cape Mendocino, Calif., to Vancouver Island, Canada.
Not exact matches
But his charge changed dramatically on August 23, when Virginia was hit by a
magnitude 5.8
earthquake that damaged the cathedral,
along with landmarks like the Washington Monument.
No one really understood how the loose landfill would react to major
earthquakes until 1985, when a
magnitude - 8 quake struck the coast
along the same plate boundary as Tuesday's quake.
They simulated
earthquakes with
magnitudes between 9.0 and 9.6 originating at different locations
along the Aleutian - Alaska subduction zone, a 3,400 - kilometer (2,113 - mile) long ocean trench stretching
along the southern coast of Alaska and the Aleutian Islands where the Pacific tectonic plate is slipping under the North American plate.
A
magnitude - 9.0
earthquake would likely give way
along the whole north - south extent of the subduction zone, but it's not well known how far east the shake - producing area would extend, approaching the area beneath major cities such as Seattle and Portland.
The reactors
along Japan's Pacific coast suffered no serious damage from the
earthquake, even though its
magnitude exceeded the worst - case scenarios assumed in their designs.
The most powerful and devastating
earthquakes are
along these zones, including Japan's 2011 Tohoku quake, a
magnitude 9.0 on the Richter scale.
This week marks the anniversary of the largest
earthquake recorded, a
magnitude 9.5 event
along southern Chile's coast in 1960
Like the Richter Scale for
earthquakes, each step
along the Explosivity Index is equal to a tenfold increase in the
magnitude of the eruption.
The group, part of the Society of Exploration Geophysicists, is part of an ongoing project to develop evacuation plans and shelters for communities
along Sumatra's remote southwestern coast after a devastating 9.1
magnitude earthquake hit the island in 2004.
The
magnitude 8
earthquake that occurred this past February
along the New Guinea Trench, about 45 miles north of Biak Island in the western Pacific, came as a complete surprise to Biak inhabitants and geologists alike.
How long would a tsunami from a
magnitude 9.2 Cascadia - zone
earthquake take to reach various points
along the West Coast?
Researchers gained new insight into how
earthquakes can interact from a
magnitude 7.9 quake
along Alaska's Denali Fault in November 2002 that involved a chain reaction of fault shaking.
They found that a large
earthquake along the northern section of the San Jacinto fault could cascade down to the Sierra Madre - Cucamonga system, with the potential to cause a 7.5
magnitude earthquake on the edge of the Los Angeles metropolitan region.
Several studies published by Das and other research groups indicated that a
magnitude 7.8
earthquake in Kunlunshan, Tibet, in 2001 zipped
along at five to six kilometers (three to 3.7 miles) a second, or close to the speed of sound in rock.
A
magnitude 7.7
earthquake generated by the researchers» models
along the Pitas Point and Red Mountain faults results in the following scenario:
There are areas
along the fault in western Nepal that are known to be locked and have not experienced a major
earthquake since a big one (larger than
magnitude 8.5) in 1505.
Hurricane Irene, a powerful storm that ran north
along the US East Coast four days after a
magnitude - 5.8
earthquake rattled Virginia in 2011, may have triggered some of that
earthquake's aftershocks, scientists reported today at the annual meeting of the Seismological Society of America in Salt Lake City, Utah.
29 November 2017 — Although
magnitude 6
earthquakes occur about every 25 years
along the Parkfield Segment of the San Andreas Fault, geophysical data suggest that the seismic slip induced by those
magnitude 6
earthquakes alone does not match the long - term slip rates on this part of the San Andreas fault,... Continue Reading»
Download Cascadia Deep
Earthquakes Cascadia Subduction Zone
Earthquakes: A
magnitude 9.0
earthquake scenario Read our new publication about the effects of a major subduction
earthquake on communities
along the Cascadia Subduction Zone, stretching from the Brooks Peninsula on Vancouver Island to Cape Mendocino in northern California.
Ten
magnitude 8 or greater
earthquakes have occurred
along the Chilean coast in the past 100 years, including the 1960
magnitude 9.5 Valdivia
earthquake, which is the largest
earthquake recorded by instruments.
29 November 2017 — Although
magnitude 6
earthquakes occur about every 25 years
along the Parkfield Segment of the San Andreas Fault, geophysical data suggest that the seismic slip induced by those
magnitude 6
earthquakes alone does not match the long - term slip rates on this part of the San Andreas fault, researchers report November 28 in the Bulletin of the Seismological Society of America (BSSA).
a - seismic activity from 2004 - 2015
along the Philippine Sea slab, b - relocated
earthquakes, c - cross section
along sample area (a-b), d - frequency
magnitude distribution.
In a paper calculating new Chinese
earthquake risks in Geophysical Research Letters, a team led by Japanese and American geophysicists analyzed shifts in stress
along several faults around the area where a
magnitude 7.9 temblor killed nearly 70,000 people and drew rare citizen protests because so many schools crumbled.
Still early, but here are the details we know from USGS:
Magnitude 8.0 — 96 km SW of Pijijiapan, Mexico Time 2017-09-08 04:49:17 (UTC) Location15.029 ° N 93.807 ° W Depth 35.0 km From the Pacific tsunami warning center: TSUNAMI THREAT FORECAST ---------------- * HAZARDOUS TSUNAMI WAVES FROM THIS
EARTHQUAKE ARE POSSIBLE WITHIN THE NEXT THREE HOURS
ALONG SOME COASTS OF MEXICO... GUATEMALA... EL...