Both seismic events registered in the 3.0M+ range, and occurred directly along the line of the Yellowstone Magma chamber. One of the earthquakes struck directly inside of Yellowstone national park.The underground magma chamber for the Yellowstone Supervolcano has now been confirmed to reach far West into Idaho, and North into Montana.
_________ Above: Graphic showing a recent May 9, 2015 earthquake, and the location of the magma chamber for Yellowstone.
New measurements have also revealed that over 11 grand canyons worth of Magma (11,000+ cubic miles) is stored below this well known ‘supervolcano’.
The lower, larger magma chamber extends far West and North from the actual current Yellowstone National Park area.
https://www.youtube.com/watch?feature=player_embedded&v=hQviElGNRjc
This large magma chamber is showing earthquake activity due to pressure being placed on the magma chambers below via the North American Craton being displaced from the Pacific Northwest.
In addition to this Yellowstone earthquake activity, we have also seen multiple dormant volcanoes show earthquake activity over the past week all along the West coast of the United States.
There has even been an announcement that Glacier Peak Volcano in Washington State is now being monitored for possible eruptive activity.
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Information on these two earthquakes from the USGS:
http://earthquake.usgs.gov/earthquakes/eventpage/uu60111082#scientific_origin:uu_uu60111082M3.0 – 39km ENE of Old Faithful Geyser, Wyoming
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Magnitude / uncertainty 3.0 ml± 0.2 Location / uncertainty 44.583°N 110.364°W± 0.3 km Depth / uncertainty 5.0 km± 1.3 Origin Time Number of Stations 22 Number of Phases 22 Minimum Distance 3.45 km (0.03°) Travel Time Residual 0.18 sec Azimuthal Gap 71° FE Region Yellowstone National Park, Wyoming (459)
http://earthquake.usgs.gov/earthquakes/eventpage/us10002a7a#scientific_origin:us_us10002a7aM3.2 – 7km ESE of Challis, Idaho
Magnitude / uncertainty 3.2 ml± 0.0 Location / uncertainty 44.467°N 114.153°W± 2.9 km Depth / uncertainty 2.8 km± 6.6 Origin Time Number of Stations – Number of Phases 21 Minimum Distance 14.47 km (0.13°) Travel Time Residual 0.46 sec Azimuthal Gap 68° FE Region Southern Idaho (33)
Source: 5/18/2015 — Yellowstone Magma chamber earthquake activity — Sign of Western US pressure | Dutchsinsea>
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