IRIS Earthquake Sci

@IRIS_EPO

Consortium of 100+ universities dedicated to the operation of facilities for the acquisition, management, and distribution of seismological data.

Washington, D.C.
Vrijeme pridruživanja: lipanj 2009.

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  1. Prikvačeni tweet
    29. sij

    Watch the M7.7 Caribbean earthquake waves roll across the USArray Transportable Array seismic network ( )!

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    While most of my work is at a desk looking at seismograms, I do occasionally get to play outdoors. On this first of , I'll begin with the one that earned me my Twitter handle: the original Geophysichicks, Okmok volcano, 2002. 1/n

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  3. prije 2 sata

    WEBINAR: Beyond locations: Modern seismology in the NGSS classroom | Feb 13, 2020, 4:00 PM EST | Registration deadline: Feb 11, 2020

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    prije 3 sata

    Did you feel today's earthquake in the Mid Atlantic?

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    prije 2 sata

    The Science of : Where they happen, why they happen, how we measure them, & more -

    Photo showing damage in SF
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    Yellowstone is about more than just recent volcanic and hydrothermal activity -- rocks exposed in the Park date back billions of years! The history unfolds in this week's .

    On Mt. Everts, shallow-sea sedimentary rocks from the Cretaceous period are the overlain by the Huckleberry Ridge Tuff volcanic deposit from the first caldera-forming eruption of the Yellowstone hotspot 2.1 million years ago. NPS photo by Jacob W. Frank, June 11, 2017.
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    In my latest science highlight for , researchers from use data managed by IRIS to create 3D images of the Earth below NorCal, Oregon, and Washington. What did they find? A big hole!

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  8. prije 5 sati
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    prije 7 sati

    Did you know that the north pole has not always been north? co-chief Debbie Thomas (of ) just wrote a great blog post about paleomagnetism on the JR! She has also written about the other labs on board - check it out 👀

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    [1/3] These two videos summarize our interpretation of what happened to the Mediterranean ~5 million years ago based on geological & geophysical data. First, the connections between the Atlantic and the Mediterranean may have closed due to tearing and sinking of the lithosphere

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  11. prije 6 sati

    The Subduction Zone of the Pacific Northwest is comprised of a collection of major geographic features, including the subducting plate, the subduction plate boundary, the Coast Range, the Puget-Willamette lowlands & the Cascades Mountain Range.

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    Teachers of Earth Science and Physics... free webinar integrating seismology on 02/13. Learn ways to support of modeling, phenomena, etc. with . Register:

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  13. prije 18 sati
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  14. prije 22 sata

    The cool, rigid outer layer of Earth is highly fractured. In most places, huge chunks or pieces of this rigid outer layer, called plates, are in continuous motion. Learn more!

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  15. 2. velj
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    Yellowstone Volcano Observatory Monthly Update February 1, 2020, 10:08 AM MST Summary: - 41 located earthquakes - subsidence of Yellowstone caldera and Norris Geyser Basin - 2 water eruptions of Steamboat geyser in January

    Winter sunset over the Gibbon River. National Park Service photo by Jacob Frank, December 21, 2019.
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  17. proslijedio/la je Tweet
    1. velj

    More than 250 tiny ETS tremors (not felt) on north-central during the past week. Could this be an "Explorer Plate region" ETS event? Stay tuned... What is ETS? PNSN tremor monitor:

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  19. proslijedio/la je Tweet
    1. velj

    The Toms Place area, south of Long Valley caldera, gets swarmy sometimes. There was a significant episode of unrest back in late 1997, continuing into early 1998. Others before then. Long Valley eruptions are possible, but certainly not probable...

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    Today, more than 550 years ago, one of the deadliest earthquakes in the known Human history hit the province of , , potentially killed > 800.000 people and devasted the region. Other sources date it to Jan. 23rd

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  21. proslijedio/la je Tweet
    1. velj

    Fun illustration of the different speeds of P- & S-waves from this mornings M4.4 earthquake near Mammoth. Notice the P-S time gap near the epicenter (3 mi) is 4.5 seconds. 160 miles away near Ridgecrest the P-S gap is 29 seconds. (data from Station Monitor)

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