Search Results - "seismometer"

Digitization of Historical Seismograms by Feng, Shichen

“…The historical seismograms were produced before 1970s where there was no digital seismometer exists. They are all paper based record of the earthquake and have crucial information for the future earthquake research. …”
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Numerical modeling of small impacts on Mars by Rajšić, Andrea

“…The NASA InSight mission placed a seismometer on the surface of Mars in 2019. Since then, several hundred seismic signatures have been recorded. …”
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A New Crater Near InSight: Implications for Seismic Impact Detectability on Mars by Daubar, I.J., Lognonné, P., Teanby, N.A., Collins, G.S., Clinton, J., Stähler, S., Spiga, A., Karakostas, F., Ceylan, S., Malin, M., McEwen, A.S., Maguire, R., Charalambous, C., Onodera, K., Lucas, A., Rolland, L., Vaubaillon, J., Kawamura, T., Böse, M., Horleston, A., van Driel, M., Stevanović, J., Miljkovic, Katarina, Fernando, B., Huang, Q., Giardini, D., Larmat, C.S., Leng, K., Rajšić, A., Schmerr, N., Wójcicka, N., Pike, T., Wookey, J., Rodriguez, S., Garcia, R., Banks, M.E., Margerin, L., Posiolova, L., Banerdt, B.

“…The predicted amplitude falls near the lowest levels of the measured seismometer noise for the predicted frequency. Hence, it is not surprising this impact event was not positively identified in the seismic data. …”
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Influence of traffic vehicles against ground fundamental frequency prediction using ambient vibration technique by Kamarudin, A. F., Md Noh, M. S., Mokhatar, S. N., Mohd Anuar, M. A., Ibrahim, A., Ibrahim, Z., Daud, M. E.

“…Two units of 1 Hz tri-axial seismometer sensor were closely positioned in front of the main entrance Universiti Tun Hussein Onn Malaysia. 15 minutes of recording length were taken during peak and off peak periods of traffic flows. …”
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Analysis On Extra Low Frequency (Elf) Signal Due To Earthquake Activity by Muhammad Nabil Ashraf, Ruslan

“…Nature phenomena such as earthquake (EQ) release electromagnetic (EMT) wave during its process. A seismometer is often used as the detection tools for EQ detection. …”
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Imaging the pulsing Iceland mantle plume through the Eocene by Parkin, C., Lunnon, Z., White, R., Christie, P., Kusznir, N., Roberts, A., Chappell, A., Eccles, J., Fletcher, R., Healy, David, Hurst, N., Roberts, A., Smith, L., Spitzer, R., Tymms, V.

“…We show from both seismic refl ection imaging and wide-angle ocean bottom seismometer data from the Norwegian Sea that the temperature of the Iceland mantle plume decreased by ~50 °C over the fi rst 5 m.y. following continental breakup and then oscillated by ~25 °C over an ~3 m.y. period. …”
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Inversion of Meteor Rayleigh Waves on Earth and Modeling of Air Coupled Rayleigh Waves on Mars by Karakostas, F., Rakoto, V., Lognonne, P., Larmat, C., Daubar, I., Miljković, Katarina

“…We perform an amplitude comparison and we show that small impactors (diameter of 0.5 to 2 m), can be detected by the SEIS VBB seismometer of InSight mission, even in short epicentral distances, in the higher frequencies of the Rayleigh waves. …”
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An autonomous lunar geophysical experiment package (ALGEP) for future space missions: In response to Call for White Papers for the Voyage 2050 long-term plan in the ESA Science Pro... by Kawamura, T., Grott, M., Garcia, R., Wieczorek, M., de Raucourt, S., Lognonné, P., Bernauer, F., Breuer, D., Clinton, J., Delage, P., Drilleau, M., Ferraioli, L., Fuji, N., Horleston, A., Kletetschka, G., Knapmeyer, M., Knapmeyer-Endrun, B., Padovan, S., Plesa, A.C., Rivoldini, A., Robertsson, J., Rodriguez, S., Stähler, S.C., Stutzmann, E., Teanby, N.A., Tosi, N., Vrettos, C., Banerdt, B., Fa, W., Huang, Q., Irving, J., Ishihara, Y., Miljković, Katarina, Mittelholz, A., Nagihara, S., Neal, C., Qu, S., Schmerr, N., Tsuji, T.

“…We describe here a series of geophysical instruments that may be included as part of the geophysical package: a seismometer, a magnetometer, a heat flow probe, and a laser reflector. …”
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Newly formed craters on Mars located using seismic and acoustic wave data from InSight by Garcia, R.F., Daubar, I.J., Beucler, É., Posiolova, L.V., Collins, G.S., Lognonné, P., Rolland, L., Xu, Z., Wójcicka, N., Spiga, A., Fernando, B., Speth, G., Martire, L., Rajšić, Andrea, Miljković, Katarina, Sansom, Eleanor, Charalambous, C., Ceylan, S., Menina, S., Margerin, L., Lapeyre, R., Neidhart, Tanja, Teanby, N.A., Schmerr, N.C., Bonnin, M., Froment, M., Clinton, J.F., Karatekin, O., Stähler, S.C., Dahmen, N.L., Durán, C., Horleston, A., Kawamura, T., Plasman, M., Zenhäusern, G., Giardini, D., Panning, M., Malin, M., Banerdt, W.B.

“…Here we report observations of seismic and acoustic waves from the NASA InSight lander’s seismometer that we link to four meteoroid impact events on Mars observed in spacecraft imagery. …”
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Seismic Efficiency for Simple Crater Formation in the Martian Top Crust Analog by Rajšić, Andrea, Miljkovic, Katarina, Collins, G.S., Wünnemann, K., Daubar, I.J., Wójcicka, N., Wieczorek, M.A.

“…The first seismometer operating on the surface of another planet was deployed by the NASA InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) mission to Mars. …”
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Ambient noise analysis for characterizing sub-surface dynamic parameters by B., Setiawan, T., Saidi, A., Yuliannur, U., Polom, Putra Jaya, Ramadhansyah, Mohamad Idris, Ali

“…A Guralp CMG-6TD broadband seismometer was used in this study to cover a wide frequency range from 0.033 Hz to 50 Hz in standard operation. …”
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Penetrators for in situ subsurface investigations of Europa by Gowen, R., Smith, A., Fortes, A., Barber, S., Brown, P., Church, P., Collinson, G., Coates, A., Collins, G., Crawford, I., Dehant, V., Chela-Flores, J., Griffiths, A., Grindrod, P., Gurvits, L., Hagermann, A., Hussmann, H., Jaumann, R., Jones, A., Joy, K., Karatekin, O., Miljkovic, Katarina, Palomba, E., Pike, W., Prieto-Ballesteros, O., Raulin, F., Sephton, M., Sheridan, S., Sims, M., Storrie-Lombardi, M., Ambrosi, R., Fielding, J., Fraser, G., Gao, Y., Jones, G., Kargl, G., Karl, W., MacAgnano, A., Mukherjee, A., Muller, J., Phipps, A., Pullan, D., Richter, L., Sohl, F., Snape, J., Sykes, J., Wells, N.

“…A payload of two penetrators is proposed to provide redundancy, and improve scientific return, including enhanced networked seismometer performance and diversity of sampled regions. …”
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Ambient noise analysis for characterizing sub-surface dynamic parameters by B., Setiawan, T., Saidi, A., Yuliannur, U., Polom, Putra Jaya, Ramadhansyah, Mohamad Idris, Ali

“…A Guralp CMG-6TD broadband seismometer was used in this study to cover a wide frequency range from 0.033 Hz to 50 Hz in standard operation. …”
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Structural health monitoring on medium rise reinforced concrete building using ambient vibration method by Kamarudin, A. F., Mokhatar, S. N., Zainal Abidin, M. H., Daud, M. E., Rosli, M. S., Ibrahim, A., Ibrahim, Z., Md Noh, M. S.

“…For determination of fo, popular method of Fourier Amplitude Spectra (FAS) was used to transform the ambient vibration time series by using 1 Hz tri-axial seismometer sensors and CitySharkII data recorder. From the results, it shows the first mode frequencies from FAS curves indicate at 2.04 Hz in 2012 and 1.97 Hz in 2017 with only 3.14% of frequency reduction. …”
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Impact-Seismic Investigations of the InSight Mission by Daubar, I., Lognonné, P., Teanby, N., Miljkovic, Katarina, Stevanovic, J., Vaubaillon, J., Kenda, B., Kawamura, T., Clinton, J., Lucas, A., Drilleau, M., Yana, C., Collins, G., Banfield, D., Golombek, M., Kedar, S., Schmerr, N., Garcia, R., Rodriguez, S., Gudkova, T., May, S., Banks, M., Maki, J., Sansom, E., Karakostas, F., Panning, M., Fuji, N., Wookey, J., van Driel, M., Lemmon, M., Ansan, V., Böse, M., Stähler, S., Kanamori, H., Richardson, J., Smrekar, S., Banerdt, W.

“…Effects of the material properties at the impact point and at the seismometer location are considered. We also discuss the processes by which airbursts and acoustic waves emanate from bolides, and the feasibility of detecting such signals. …”
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Integrated protocol for ground and structures condition assessments using ambient vibration by Kamarudin, Ahmad Fahmy

“…AV testing was performed using a tri-axial seismometer on ground and reinforced concrete (RC) school buildings, with different geotechnical profiles, building configurations and structural health conditions. …”
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Otolithic receptor mechanisms for vestibular-evoked myogenic potentials: A review by Curthoys, I., Grant, J., Burgess, A., Pastras, C., Brown, Daniel, Manzari, L.

“…The new explanation is that it is due to the otoliths acting as seismometers at high frequencies and accelerometers at low frequencies. …”
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Hybrid Wavelet and Principal Component Analyses Approach for Extracting Dynamic Motion Characteristics from Displacement Series Derived from Multipath-Affected High-Rate GNSS Obser... by Kaloop, M., Yigit, Cemal, El-Mowafy, Ahmed, Dindar, A., Bezcioglu, M., Hu, J.

“…Nowadays, the high rate GNSS (Global Navigation Satellite Systems) positioning methods are widely used as a complementary tool to other geotechnical sensors, such as accelerometers, seismometers, and inertial measurement units (IMU), to evaluate dynamic displacement responses of engineering structures. …”
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