A sizable earthquake has struck off the Northwest coast of California.
Video update here:
National and International earthquake monitoring links can be found here : (save for future use!)
Earthquake statistics here:
- 2014-03-10 05:18:12 UTC
- 2014-03-09 21:18:12 UTC-08:00 at epicenter
- 2014-03-10 00:18:12 UTC-05:00 system time
40.821°N 125.128°W depth=7.0km (4.3mi)
- 77km (48mi) WNW of Ferndale, California
- 81km (50mi) W of Eureka, California
- 85km (53mi) WNW of Fortuna, California
- 87km (54mi) W of McKinleyville, California
- 398km (247mi) NW of Sacramento, California
The 6.9M earthquake in California has sent a swarm (cascade) of smaller earthquakes reaching Southeast from the original epicenter out to sea now going onto land as the fracture spreads..
The swarm magnitude numbers fan out to the SE into mainland California from the main event almost 50 miles out in the Pacific..
We need to be aware of the possibility of further movement now, along the edge of the North American craton.. adjacent areas are NOT immune to subsequent pressure transfer.
We’ve seen it occur multiple times, a large earthquake, followed by larger earthquakes along the point of pressure transfer (in this case the edge of the plate will be displaced from this West Coast movement).
The new “lavic fields” off the West Coast (Oregon / Northern California) reported over the past 2 years:
Observations of an undersea volcanic eruption by researchers at Oregon State University may improve understanding of how volcanoes erupt and increase ability to predict future eruptions.
The researchers used a complex set of sensors to record an underwater volcano off the coast of the Washington-Oregon border throughout the entire course of an eruption, a first for any submarine volcano.
The signature pattern of earthquakes and bulging of the ocean floor is reported in a trio of papers authored by OSU researchers published online this week in the journal Nature Geoscience.
The Axial Seamount volcano, located about 250 miles offshore of Oregon and almost a mile beneath the ocean’s surface, was recorded during eruptions in 1998 and again in 2011, providing data about how the earth’s surface behaves before and after a volcanic eruption.
Scientists know that volcanoes can erupt when magma, a cocktail of molten rock and other solids deep below the earth’s outer crust, rises to the surface. However, the exact mechanism that triggers rising magma and an eruption is not precisely understood.
Volcanoes above the sea, although easier to access, are often located where the earth’s thick crust hinders study of activity below the volcano. By contrast, underwater volcanoes like the Axial Seamount located where the seafloor is thinner may yield more helpful data.
But about a mile of seawater separates the researchers from their specimens — a SCUBA diver cannot approach such depths. So OSU and Monterey Bay Aquarium Research Institute scientists used unmanned underwater vehicles to place sensors and map the ocean floor around the rim of the volcano.
The research team, led by Bill Chadwick and Bob Dziak of OSU and David Caress of the Monterey Bay institute, placed “hydrophones” — underwater microphones — to listen for the rumble of earthquakes before, during, and after an eruption.
They also placed sensors on the volcano to detect bulging of the ocean floor, which fills like a bladder as magma rises into pockets below the surface.
For the first time with an undersea volcano, they observed a signature pattern of earthquakes and surface bulging preceding the eruption. Understanding this signature may help predict future volcanic eruptions and identify signals that a volcano is soon to erupt. Although such forecasting is still in its infancy, the researchers say the Axial Seamount volcano could erupt again as soon as 2018.
Because the detectors used in this study have no direct connection to monitoring equipment, the research team could not track their measurements in real time — they did not know an eruption had occurred until almost 3 months after it finished.
A planned underwater volcano observatory called the Ocean Observatories Initiative, scheduled for deployment in the next 3 years, will tether detectors to operators by cable and provide real-time volcano data. This wired approach will solve another problem inherent to volcano research: Several detectors in these studies were entombed in rock when lava flowed over them and remain beneath the sea.
This current California earthquake is showing on multiple charts.. and showing OFF THE CHARTS in California near the epicenter itself:
Showing at Yellowstone as well: