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YELLOWSTONE VOLCANO OBSERVATORY MONTHLY UPDATE
Wednesday, August 1, 2012 12:26 PM MDT (Wednesday, August 1, 2012 18:26 UTC)
YELLOWSTONE VOLCANO (CAVW #1205-01-)
44°25'48" N 110°40'12" W, Summit Elevation 9203 ft (2805 m)
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN
During the month of July 2012, the University of Utah reports 72 earthquakes were located in the Yellowstone National Park region. The largest was a magnitude 2.9 event on July 4 at 09:20 AM MDT, located about 5 miles southwest of West Yellowstone, MT. A swarm of 16 earthquakes was located about 10 miles north of West Yellowstone. The swarm spanned July 24-26 with magnitudes ranging from -0.1 to 2.3.
Yellowstone earthquake activity remains at a relatively low background level.
Slow subsidence of the caldera, which began in early 2010, continues. Current deformation patterns at Yellowstone are well within historical norms.
Please see: www.uusatrg.utah.edu... for a map of GPS stations in the Yellowstone vicinity. For a graph of daily GPS positions at White Lake, within the Yellowstone caldera, please see: pbo.unavco.org...
I know Hey
Originally posted by lurksoften
reply to post by Lil Drummerboy
Historical Seismicity
Info
Originally posted by Hx3_1963
reply to post by raepperle
try this link...
International Handbook of Earthquake and Engineering Seismology
books.google.com... 7k4&hl=en&sa=X&oi=book_result&resnum=8&ct=result
The change in input voltage required to produce a zero output voltage when no signal is applied to an amplifier.
DC Offset
DC offset is an imbalance that sometimes occurs in A/D converters (see WFTD archive "A/D Converter"). When working with audio it is desirable to have only the audio program material passed through the signal path. Almost by definition audio, being a periodic waveform, is an AC (Alternating Current) signal. DC (direct current) is of the non alternating or periodic variety and thus has no constructive purpose as part of an audio signal. It is merely a constant voltage that is present which can eat up headroom (see WFTD archive "Headroom") and cause clicks and pops during editing.
DC Offset
DC offset is a measure of the unbalance of the mixer. For an ideal mixer, the DC offset is zero. DC offset defines the IF
voltage output when the mixer is used as a phase detector and only the LO signal is applied, the RF-port is terminated
in 50 ohms.
www.minicircuits.com...
[edit on 1/15/2009 by Hx3_1963]
Originally posted by crappiekat
If anyone is interested, Yellowstone is gettting a little jiggy right now. I'ts nothing big. Just interesting to watch.
Originally posted by Hydrawolf
Originally posted by crappiekat
If anyone is interested, Yellowstone is gettting a little jiggy right now. I'ts nothing big. Just interesting to watch.
Yes...A 2.9 and a 2.6....Both very shallow.