Puget Sound Earthquake Map

The cascadia subduction zone sits just offshore of the pacific northwest. The black polygon is the authoritative region of the pnsn. Blue and green generally indicate basins with lower density sedimentary rock red is generally uplifted basalt of the crescent formation.

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Events inside the authoritative network are rendered as cirlces.

Puget sound earthquake map. The risk is particularly high in the puget sound where major population centers are growing directly in harm s way. Puget sound earthquake fault map resources usgs 2014 significant earthquakes archive the very strong 1700 cascadia earthquake list of the strongest world earthquakes cascadia was one of them fault attributes key name is an 80 character field for the name of the fault including section name i e denali fault holitna section. M1 5 or greater 0 earthquakes in the past 24 hours 1 earthquake in the past 7 days. Red shading indicates areas of possible slip on the fault during a magnitude 9 0 earthquake.

Only western nevada and a small area where idaho montana and wyoming meet share the red zone the map s highest level. Events outside the authoritative region but inside the reporting region are rendered as squares. Video shows tsunami wave in puget sound seattle wa state geologists have created a simulation showing what a tsunami produced by a magnitude 9 0 quake would mean for puget sound. Simulated peak ground velocities from a magnitude 9 0 earthquake on the cascadia subduction zone taken from the results of frankel et al 2018 and wirth et al 2018 highlight differences in the effect of such an earthquake throughout the puget sound region.

Fault and section are lower case. What the update released in late november does show is that puget sound is on par with california in the earthquake danger zone. 6 earthquakes in the past 30 days. Click on custom plot to start.

What the update released in late november does show is that puget sound is on par with california in the earthquake danger zone. Create a custom cross section or depth time plot. A geologic mystery is solved. Explosions are always rendered as stars.

Only western nevada and a small area where idaho montana and. The red polygon is the reporting region for this map. What the update released in late november does show is that puget sound is on par with california in the earthquake danger zone. Bouguer gravity anomaly map of the puget sound region showing basins and uplifts and principal faults and folds over outline of puget sound hood canal and east end of strait of juan de fuca.

As a point of comparison a. Puget sound washington has had. The peak ground velocity describes the maximum speed at which the ground moves during an earthquake and typically correlates well with felt shaking intensity and damage during large earthquakes. Code is a three integer field that defines certainty or reliability of field mapping integer one time of most recent movement.

Only western nevada and a small area where idaho montana and.