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51. Iceberg Harmonic Tremor, seismometer data [MacAyealseismo_tremor_0229546]
Iceberg harmonic tremor (IHT) emanating from tabular icebergs in the Southern Ocean and around the coast of Antarctica is observed as seismoacoustic signals on islands in the equatorial Pacific, as ...


52. Ross Sea Icebergs (B15A, C16, B15J, B15K, C25 and Nascent): Drift, weather and seismic data. [macayeal_0229546]   CHILD DIFs
During 2001-2006, 6 giant icebergs (B15A, B15J, B15K, C16 and C25) adrift in the southwestern Ross Sea, Antarctica, were instrumented with global positioning system (GPS) receivers, magnetic compasses, ...


53. Seismometer data from calving front of Ross Ice Shelf [MacAyealsea_swell_0229546]
A broad-band seismometer (Guralp 40T, with Quanterra Q330 digitizer/baler) was operated at a site called "Nascent Iceberg" (located on the Ross Ice Shelf about 1 km north of a large rift expected ...


54. IRIS Program for Array Seismic Studies of the Continental Lithosphere (PASSCAL) [EARTH_INT_SEIS_IRIS_03]
IRIS has organized studies of the continental lithosphere using portable arrays of seismic receivers. Several of these use earthquakes as sources and several use explosive sources. Studies include ...


55. Quaternary Fault and Fold Database for the United States [USGS_QFAULTS]
This website contains information on faults and associated folds in the United States that are believed to be sources of M>6 earthquakes during the Quaternary (the past 1,600,000 years). Maps of these ...


56. NAMSS West Coast and Southern California Data [NAMSS_West_Coast]
High-quality seismic reflection data are essential to geological investigation of the offshore. Over the past thirty years the USGS has acquired approximately 12,000 km of 2D data off the west coast ...


57. Subsurface structure of the East Bay Plain ground-water basin: San Francisco Bay to the Hayward fault, Alameda County, California [USGS_OFR_2006_1084_EBP_AC_CA]
The area of California between the San Francisco Bay, San Pablo Bay, Santa Clara Valley, and the Diablo Ranges (East Bay Hills), commonly referred to as the &East Bay&, contains the East Bay Plain ...


58. Maryland Geological Survey (MGS) Seismic Network [md_seismic_network]
There are several options for viewing Maryland seismic network data. Near real-time data is available through the online helicorder and the online seismograph. Records of recent, significant events ...


59. Seismic Hazard Maps for Seattle, Washington, Incorporating 3D Sedimentary Basin Effects, Nonlinear Site Response, and Rupture Directivity [USGS_OFR_2007_1175]
This report presents probabilistic seismic hazard maps for Seattle, Washington, based on over 500 3D simulations of ground motions from scenario earthquakes. These maps include 3D sedimentary basin ...


60. Hawaiian Volcano Observatory Seismic Data, January to December 2006 [USGS_OFR_2007_1073]
The Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data. It is complete ...


61. Earthquake Data Base (Hypocenter Data Files) from 2100 B.C. to Present Including Associated Phenomena and other Seismic Events [FE00121]
The Earthquake Data Base (sometimes called hypocenter data files) contains information on approximately 750,000 earthquakes for the period 2100 BC through the present. The file includes for each ...


62. PASSCAL Assembled data set for Ouachita Experiment [OUACHITA_SEISMO_EXPT]
The 1986 Ouachita Lithospheric Seismology Experiment consisted of a 200 km seismic profile with 793 recording sites spaced approximately 250 m apart into which 29 shots were fired. The experiment ...


63. Adirondack Broad Band Array (ABBA) [PASSCAL_ABBA]
Objective: Determination of anistropy and depth/characteristics of discontinuties in the mantle and the Moho beneath the Adirondacks. Preliminary results: Azimuthal Anisotropy is oriented ENE-WSW ...


64. December 26, 2004 North Sumatra Earthquake and Tsunami: Novosibirsk Tsunami Laboratory Data [Tsunami_122604_NTL]
December 26, 2004 North Sumatra earthquake and tsunami data from the Novosibirsk Tsunami Laboratory (Institute of Computational Mathematics and Mathematical Geophysics, Russian Academy of Sciences, ...


65. NOAA Pacific Marine Environmental Laboratory (PMEL) Center for Tsunami Research: Tsunami Events and Data [NOAA_PMEL_TRP]
The NOAA PMEL Center for Tsunami Research seeks to mitigate tsunami hazards to Hawaii, California, Oregon, Washington and Alaska. Research and development activities focus on an integrated approach ...


66. Eastern Turkey Seismic Experiment: Lithospheric Structure in an Active Continental Collision Zone [GEO_CORNELL_ETSE]
One of the least understood processes within the framework of plate tectonics is the mechanisms for continent-continent collision, yet this process plays a critical role in the development and growth ...


67. 1989 Archean-Proterozoic transition Experiment [PASSCAL_APT]
Twenty-five 3-component stations installed along a 1500 km transect from western Ontario to eastern Wyoming recorded a total of 324 teleseismic and regional events with body wave magnitude greater ...


68. Pinyon Flat High Frequency Array Data Set [PASSCAL_PINON1]
58 3-component short period seismometers were deployed in a grid pattern covering an area about 250 meters square near the Pinon Flats Observatory. The goal was to record the unaliased seismic wavefields ...


69. Lithoprobe Abitibi-Grenville geologic transect [PASSCAL_ABITIBI]
Abstract from Harvard Workshop on continental roots, Oct 10-13, 1997: Thermomechanical erosion of the continental lithosphere beneath the Precambrian Superior and Grenville provinces Canada relation ...


70. 1990 EDGE Experiment off of Virginia Coast [PASSCAL_EDGE_EXPT_VA]
The EDGE seismic experiment shot on the M/V GECO Searcher in September 1990 recorded seismic reflection profiles to 16 sec. in a 560 km grid off the coast of Virginia. Shots of a 10,000 cu. inch, ...


71. A comprehensive geophysical investigation to assess seismic hazards in the coassesment of seismicity in the Wabash Valley [PASSCAL_WABASH]
Recent paleoseismic evidence had shown there were 5-8 magnitude greater than 6 earthquakes in this region in the past 20,000 years. The study area has always been at the fringe of previously operated ...


72. Characterization of Gravity Gradient Noise at LIGO (Laser Interferometer Gravitational Wave Observatory), Livingston, LA [PASSCAL_LIGO]
The researchers wish to characterize the gravity gradient seismic noise at the LIGO Livingston Observatory (LLO). LIGO (Laser Interferometer Gravitational Wave Observatory) consists of two almost ...


73. Chicxulub Passive seismic experiment, Yucatan Peninsula, Mexico [PASSCAL_CHICXULUB_PASSIVE]
The objectives of the above experiment were: - To record seismic data from local, regional and teleseismic data over the chicxulub impact structure. - To study this data and determine if any anisotropy ...


74. Chicxulub Seismic Experiment [PASSCAL_CHICXULUB_ACTIVE]
These data are from 91 PASSCAL instruments located on land and recording shots from a marine seismic vessel near the Yucatan Penninsula of Mexico.


75. Data from the PASSCAL NOMAD Experiment, Southern New York [PASSCAL_NOMAD]
STS-2s were deployed at four sites in southern New York (VASR, WIND, WICK, and SCCC) in June, 1997. The instruments at VASR and WIND were moved to UCON and UHRT in October, 1998, and the experiment ...


76. Glendora Seismic Experiment, Glendora Lake, Indiana [PASSCAL_GLENDORA]
Approximately 50 units were deployed to look at energy coupling of C4 explosive sources under water. Charge sizes ranged from 5 lbs to 100 lbs. This data set is also ideal for studying topographic ...


77. New England Broadband Experiment [PASSCAL_NEWE]
Three broadband (CMG-40T) stations were operated in New England between March 1995 and March 1996. This data set contains event data from this deployment.


78. The Missouri to Massachusetts Broadband Seismometer Experiment [PASSCAL_MOMA]
In the MOMA experiment, 18 broadband seismometers were deployed between permanent IRIS/GSN stations CCM (Cathedral Caves, Missouri) and HRV (Harvard,Massachusetts), providing a linear 20-station array ...


79. IRIS/IDA Seismic Wave Travel Times Data Set [IDA_TRAVEL_TIMES]
[Adapted from the IDA Web site, "http://ida.ucsd.edu/AboutIDA/index.html"] Project IDA (International Deployment of Accelerometers) is a global network of broadband and very long period seismometers ...


80. Hawaiian Volcano Observatory Seismic Data, January to December 2004 [USGS_OFR_2005_1315]
The Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data. It is complete ...


81. Vulcanism, Seismicity, Magnetism and Geodynamics of the South Shetland Island [CNDA-ESP_ANT95-0094_PAD]   CHILD DIFs
In English: The project for the study of Vulcanism, Seismicity, Magnetism and geodynamics of the South Shetland Island: Seismic station at BAE (Livingston) contained three coordinated projects: -CNDA-ESP_ANT95-0094-CO1, ...


82. University of Washington Pacific Northwest Seismograph Network (PNSN) Earthquake Data [EARTH_CRUST_USGS_WASH_QUAKE_FTP]
The Pacific Northwest Seismograph Network (PNSN), a member of the Center for National Security Studies CNSS, is centered at the University of Washington's Dept. of Earth and Space Sciences . The PNSN ...


83. BDSN Continuous and Triggered Broadband Waveform data from Northern California Earthquake Data Center [BDSN-NCEDC]
[Adapted from Berkeley Digital Seismic Network (BDSN) Overview: "http://quake.geo.berkeley.edu/bdsn/bdsn.overview.html"] The Berkeley Digital Seismic Network (BDSN) is one of several networks of ...


84. Seismotectonic Map of Afghanistan [USGS_OFR_2005_1264]
A seismotectonic map shows geologic, seismological, and other information that is pertinent to seismic hazards but previously was scattered among many sources. Afghanistan is part of the Eurasian ...


85. Depth to the Juan De Fuca Slab Beneath the Cascadia Subduction Margin: A 3-D Model for Sorting Earthquakes [USGS-DS-91]
The USGS presents an updated model of the Juan de Fuca slab beneath southern British Columbia, Washington, Oregon, and northern California, and use this model to separate earthquakes occurring above ...


86. Continuous Very Broad Band seismographic data from station Terra Nova Bay (TNV). [SeismographicData_TNVstation]
Permanent seismographic station established at Terra Nova Bay, the Italian Station in Antarctica located in Victoria Land, in order to record very broad band and high dynamics signals in continuous ...


87. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) during 1995 [SeismologicalDataEsperanza1995]
Seismic data recorded at Base Esperanza during 1995 by station ESPZ are currently available in Reftek SEGY format after processing of the field DAT tapes using ref2segy program. The dataset contains ...


88. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) during 1997 [SeismologicalDataEsperanza1997]
Seismic data recorded at Base Esperanza during 1997 by station ESPZ are currently available in Reftek SEGY format after processing of the field DAT tapes using ref2segy program. The data set contains ...


89. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) during 1998 [SeismologicalDataEsperanza1998]
Seismic data recorded at Base Esperanza during 1998 by station ESPZ are currently available in Reftek SEGY format after processing of the field DAT tapes using ref2segy program. The dataset contains ...


90. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) during 1999 [SeismologicalDataEsperanza1999]
Seismic data recorded at Base Esperanza during 1999 by station ESPZ are currently available in Reftek SEGY format after processing of the field DAT tapes using ref2segy program. The dataset contains ...


91. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) during 2000 [SeismologicalDataEsperanza2000]
Seismic data recorded at Base Esperanza during 2000 by station ESPZ are currently available in Reftek SEGY format after processing of the field DAT tapes using ref2segy program. The dataset contains ...


92. Very Broad Band Seismological Data recorded at Esperanza (ESPZ) from 1992 to 1994 [SeismologicalDataESPZ92-94]
Seismic data recorded at Base Esperanza in the period 1992 - 1994 are currently available in PDAS (DADISP) format. The seismic signals have been recorded on three primary channels at a rate of 2 ...


93. The Long Valley Caldera GIS Database [USGS-DDS-081]
The Long Valley Caldera GIS Database provides an overview of the studies being conducted by the Long Valley Observatory in eastern California from 1975 to 2001. The database includes geologic, monitoring, ...


94. Earthquake Ground-Motion Amplification in Southern California [USGS_OFR_2001_164]
The two most important factors influencing the level of earthquake ground motion at a site are the magnitude and distance of the earthquake. The map available here shows the influence of a third important ...


95. SISMOANTAR, Seismological Data from Stations in Antarctica from the Instituto Antartico Argentino [CDA_AR_GEO_SISMOLOGICAL_DATA]
This data set contains 450 earthquake sections digitally recorded in Antarctica.


96. Seismography Data for the Larsen Basin and James Ross Islands from the Instituto Antartico Argentino [CDA_AR_GEO_SEISMOGRAPHY_DATA]
This data set contains terrestrial seismic sections across Larsen Basin (James Ross Islands).


97. Volcanology Data for Deception Island in the South Shetland Islands off Antarctica from the Instituto Antartico Argentino [CDA_AR_GEO_VOLCANOLOGY_DATA]
Instituto Antartico Argentino Antarctic Data Base describes volcano data from Deception Island in the South Shetland Islands off Antarctica. The data includes 400 terrestrial gravimetric measurement ...


98. Volcanology, seismicity, magnetism and geodynamic at South Shetland Islands: geophysical network for volcanic activity monitoring at Deception Island [CNDA-ESP_ANT95-0094-CO1]   PARENT DIF
In English: The present project is focused in: The detection of volcano magnetic signals in order to monitor the volcanic activity of Deception I. Besides this, the register of total intensity of ...


99. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2002 [USGS_OFR_2003_267]
The Alaska Volcano Observatory (AVO), a cooperative program of the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and ...


100. Geological Framework Data from Long Island Sound, 1981-1990: A Digital Data Release [USGS_OFR_2002_002]
Since 1980 the Coastal and Marine Geology Program of the U.S. Geological Survey and Connecticut Department of Environmental Protection have conducted a joint program of cooperative geologic research ...


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