VLPULPSPSonicGeodesy McNamara and Buland (2004) BSSA.

Slides:



Advertisements
Similar presentations
IntroductionIntroduction Most musical sounds are periodic, and are composed of a collection of harmonic sine waves.Most musical sounds are periodic, and.
Advertisements

ASL QC Procedures Status and plans. GSN ANSS Traditional Waveform Review  The “morning run” Daily summarizes problems with availability, timing,
Real-time Monitoring of Slip Triangles: Tremor Activity –Average envelope seismogram amplitudes in tremor passband –Active Tremor = black triangles Arrows:
Hearing over time Using the neural representation of the time waveform of sound.
SOUND An Oral Recitation Lecture. What produces sound? Any vibrating source produces sound.
Wavelength The distance between one point on a wave and another point exactly like it.
Harmonic Series and Spectrograms 220 Hz (A3) Why do they sound different? Instrument 1 Instrument 2Sine Wave.
1/03/09 De 89 à 98. 1/03/09 De 89 à 98 1/03/09 De 89 à 98.
Infrasonic Observation near Active Volcanoes and its Results in Japan Hitoshi YAMASATO*, Takayuki SAKAI* and Yoshiaki FUJIWARA** *Meteorological Research.
IP Frequency and pitch © Oxford University Press 2011 Frequency and pitch.
Multi-parameter investigations at Fuego and Santiaguito volcanoes
Noise Based Detection Method for the ANSS by Dan McNamara With Collaborators: Ray Buland, Harley Benz, Rob Wesson Art Frankel and Dirk Erickson.
Spectral analysis II: Applications Bijan Pesaran Center for Neural Science New York University.
Wavelength – λ – distance between successive points on a wave (crest to crest)
A.Diederich– International University Bremen – USC – MMM Spring Sound waves cont'd –Goldstein, pp. 331 – 339 –Cook, Chapter 7.
Larsen et al. (2009) EOS 2008 eruption of Okmok.

Summary of triggering of non- volcanic tremor in Cascadia Justin Rubinstein.
Sealing the deal? A seismic source model for strombolian explosions at Fuego volcano, Guatemala John Lyons Greg Waite Tricia Nadeau 17.
31 May 2011SuperDARN Workshop, 29 May - 3June 2011, Hanover, US 1 Short-period Doppler shift variations in the polar cap: ULF waves or something else?
Very-Low-Frequency Earthquakes (VLFE) in SVI and Grid Moment-Tensor Inversion For details on GCMT inversion method, see Ito et al., GJI, 2006.
Source characterization of long-period and very-long-period seismicity during the 2009 eruption of Redoubt Volcano Matthew M. Haney 1, Bernard A. Chouet.

Surface wave radiation.
Unraveling shallow conduit processes Integrating multiple data sets to evaluate volcanic hazards in Guatemala.
(50°) B D 1, N 2 N 1, D 2.
 Frequency Spectrum and Bandwidth  Other Definitions of Bandwidth  Digital Signals.
The following figures show three modeled measures of network capability 1) Minimum magnitude threshold 2) Network detection time 3) Earthquake Location.
Einstein A coefficients for vibrational-rotational transitions of NO
Harmonic Series and Spectrograms
Why does a violin sound different from a horn? Several kinds of audible information Pitch Timbre Attack Decay Vibrato.
Recent Applications of the Time-Domain Parabolic Equation (TDPE) Model to Ground Truth Events Robert Gibson and David Norris BBN Technologies Arlington,
Acoustic-gravity wave monitoring for global atmospheric studies Elisabeth Blanc 1 Alexis Le Pichon 1 Lars Ceranna 2 Thomas Farges 1 2- BGR / B3.11, Hannover,
Infrasounds and Background Free Oscillations Naoki Kobayashi [1] T. Kusumi and N. Suda [2] [1] Tokyo Tech [2] Hiroshima Univ.
Wave Propagation Theories Study
November, 2008 Bermuda ITW Numerical Simulation of Infrasound Propagation, including Wind, Attenuation, Gravity and Non-linearity Catherine de Groot-Hedlin.
Spot number ; H1 Supporting Information Figure 3. MS spectra of the identified proteins.
California Institute of Technology
Sound Lesson 2. Previously… Sound as product of vibrations Longitudinal nature of sound Medium required for transmission of sound Differing speed of sound.
Study of nano dust impacts on STEREO using the S/WAVES instrument A. Zaslavsky, N. Meyer-Vernet, K. Issautier, G. Le Chat and M. Maksimovic LESIA, Observatoire.
Continuous wavelet transform of function f(t) at time relative to wavelet kernel at frequency scale f: "Multiscale reconstruction of shallow marine sediments.
Milton Garces, Claus Hetzer, and Mark Willis University of Hawaii, Manoa Source modeling of microbarom signals generated by nonlinear ocean surface wave.
Mechanical Waves Wave Characteristics Say What?! Wave Examples Vocabulary $ $ $ $ $ $ $ $ $ $
。 33 投资环境 3 开阔视野 提升竞争力 。 3 嘉峪关市概况 。 3 。 3 嘉峪关是一座新兴的工业旅游城市,因关得名,因企设市,是长城文化与丝路文化交 汇点,是全国唯一一座以长城关隘命名的城市。嘉峪关关城位于祁连山、黑山之间。 1965 年建市,下辖雄关区、镜铁区、长城区, 全市总面积 2935.
Triggered tremor may simply be clock- advanced failure, which could make it useful as a widely available ambient tremor and perhaps slow slip ‘meter’.
Brain Electrophysiological Signal Processing: Postprocessing
Speed Formula - Waves.
California Institute of Technology
Lecture 2 Data and Signals
Light and the Atomic Spectra
Wave Properties.
Time domain & frequency domain
1-D Mississippi embayment sediment velocity structure and anisotropy: constraint from ambient noise analysis on a dense array Chunyu,Liu1; Charles A. Langston1.
Component: E Local quakes Broad frequency Two tremor bursts
Newtonian Noise Mitigation by Using Superconducting Gravity Gradiometers Ho Jung Paik Department of Physics University of Maryland ICGAC-XIII, Seoul.
Combining magma flow models with seismic signals
Why Do CPO Lead to Slow Light When the Laser
Foster et al, jgr sub LFM-simulated shock arrival;
Sound shadow effect Depends on the size of the obstructing object and the wavelength of the sound. If comparable: Then sound shadow occurs. I:\users\mnshriv\3032.
Uses of filters To remove unwanted components in a signal
Solar-like oscillations with HARPS …and SOPHIE
Features of A Wave Crest and Trough Crest:
Biochemical characterization of motif VI mutants—R592A and H594A
Repetitive series of midshipman growls.
Diagram showing the local impact of the deformation band network on oil saturation in model LL_1ORD, illustrating the controls of the deformation bands.
Discriminator rats exhibited an enhanced coherence between the Te1 and the PL cortex in the slow-gamma band. Discriminator rats exhibited an enhanced coherence.
Grand averages of stimulus-locked ERPs at Cz in the four groups.
A, Grand averages of response-locked ERPs at midline electrodes in participants homozygous for the C and T allele (DRD4–521). A, Grand averages of response-locked.
Infrasonic observations of chemical explosions
And other minutia KD7ZWV (Jan)
Presentation transcript:

VLPULPSPSonicGeodesy

McNamara and Buland (2004) BSSA

Infrasound ULP at Redoubt

Chouet et al. (2003) JGR VLP band at Stromboli

VLP tremor during Okmok eruption VLP tremor has been previously reported by De Lauro et al. (2005) at Stromboli Haney (2010) JGR, in press

Okmok network

Comparison of Amplitude Spectra

VLP tremor location Haney (2010) JGR, in press

Interception

Coherent waveforms between 1-5 Hz

dispersive wave propagation 540 m/s 320 m/s

M6.1 teleseism from Argentina

L 2L

“Eigenfunction expansion”