- Identification_Information:
-
- Citation:
-
- Citation_Information:
-
- Originator:
-
U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
- Publication_Date: 20130106
- Title:
-
Geophysical data of field activity S-1-96-WO in Cascadia,
Washington from 04/14/1996 to 06/06/1996
- Publication_Information:
-
- Publisher:
-
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
- Publication_Place: Menlo Park, CA
- Online_Linkage: <http://walrus.wr.usgs.gov/infobank/gos/s-1-96-wo.fmeta.xml>
- Online_Linkage:
-
<http://walrus.wr.usgs.gov/infobank/s/s196wo/html/s-1-96-wo.meta.html>
- Description:
-
- Abstract:
-
Chief Scientists: Mike Fisher, Ernst Flueh. Geophysical
data (bottomseismometer, GPS) of field activity S-1-96-WO in
Cascadia, Washington from 04/14/1996 to 06/06/1996,
<http://walrus.wr.usgs.gov/infobank/s/s196wo/html/s-1-96-wo.meta.html>.
- Purpose:
-
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
- Supplemental_Information:
-
Equipment Used -
bottomseismometer
GPS
Notes -
SUCCESSFUL SONNE CRUISE RESULTS ENHANCED BY EARTHQUAKE
The German research vessel Sonne came into port in Astoria, Oreg., on May 22,
after completing seismic studies of earthquake hazards
posed by the subduction zone off Washington and Oregon.
Co-chief scientist Mike Fisher
(the other co-chief was Ernst Flueh of GEOMAR, Germany)
was disappointed that strong currents in the Columbia River
forced the Sonne to be pulled into the dock stern-first by a tugboat,
thus preventing a more triumphant entry.
But Mike had little else to complain about,
reporting "spectacular success" for the cruise.
Generally good weather allowed data collection
on all but 3 days of the 5-week cruise.
As Mike reported to Steve Bohlen,
"Thanks to a highly skilled and motivated German-American crew
we achieved nearly everything we had proposed to do.
We have multichannel seismic lines that show
the downgoing oceanic plate 120 km eastward from the trench.
Using these data...with detailed, wide-angle information,
I'm confident that we will make decisive statements about
the earthquake environment of the subduction zone."
Tom Parsons led an onshore crew that set up and maintained three east-west lines
of seismometers to extend the Sonne results across western Washington.
Additional data were contributed by cooperators
Anne Trehu of Oregon State University,
who ran two lines of seismometers in northern Oregon, and
Steve Malone of the University of Washington,
who maintains a permanent network of seismometers around northern Washington.
An unexpected bonus was a magnitude 5.4 earthquake
centered east of Seattle that occurred on May 2 and
was recorded by seismometers on- and offshore.
Data from the earthquake and its aftershocks
may sharpen the picture of the downgoing oceanic plate.
In addition to getting good data, the project team also had good luck
with equipment and logistics:
Out of 22 ocean-bottom seismometers (OBS's), only one was lost;
two others were snagged by fishermen and eventually returned.
At the end of the cruise,
the USGS equipment was cleared from the Sonne in less than 24 hours,
amazing the ship's captain and the co-chief scientist Flueh.
The Germans were also amazed by Dave Scholl.
As Mike reported to Steve Bohlen,
"[The Germans] knew of his world-class status as a scientist,
but they were unprepared for a 65-year-old, Herr Professor Doktor
who relishes getting his hands dirty.
Most German scientists with his credentials
pass time sipping coffee with the captain.
In contrast, Dave made every streamer and airgun party,
activities we dubbed "deck sports."
He cheerfully wrapped miles of tape around wires, tugged on airgun hoses, and
hustled everywhere to toss in his muscle....Dave definitely leads from the front."
Another part of Mike's report to Bohlen reveals
just how far-reaching were the Sonne's effects:
"Steve Lewis (ex-USGS, now SRI) said that Navy, submarine, sound arrays
near Kamchatka were picking up odd noise from near Oregon and Washington.
Steve impressed the Navy types by guessing correctly that the odd sounds
were low- frequency bursts every 20 seconds.
He explained that he knew all about the Sonne because he had friends onboard."
Now begins the task of processing and interpreting the data,
which will take a couple of years.
Eventually the results will be used by scientists, planners,
government officials, and others to assess and mitigate earthquake hazards
in densely populated areas of the Pacific Northwest.
Geologic evidence suggests that a future earthquake there
may be as large as magnitude 9.
Publications -
Flueh, E.R., Fisher, M.A., Bialas, Joerg, Childs, J.R., Klaeschen, Dirk, Kukowski, Nina, Parsons, Tom, Scholl, D.W., ten Brink, Uri, Trehu, A.M., and Vidal, Neus, 1998, New seismic images of the Cascadia subduction zone from cruise SO108 -- ORWELL, Tectonophysics, 293, 69-84. URL:
<A HREF = "<http://dx.doi.org/10.1016/S0040-1951(98>)00091-2" target = "TC"><http://dx.doi.org/10.1016/S0040-1951(98>)00091-2</A>
Similar information is available for thousands
of other USGS/CMG-related Activities.
If known, available are Activity-specific
navigation, gravity, magnetics, bathymetry,
seismic, and sampling data; track maps; and
equipment information; as well as summary
overviews, crew lists, and information
about analog materials.
If available, access to physical samples is
described in the "WR CMG Sample Distribution
Policy" at:
<http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Primary access to the USGS/CMG Information
Bank's digital data, analog data, and
metadata is provided through...
<http://walrus.wr.usgs.gov/infobank/>
This page accomodates a variety of search
approaches (e.g., by platform, by region,
by scientist, by equipment type, etc.).
- Time_Period_of_Content:
-
- Time_Period_Information:
-
- Range_of_Dates/Times:
-
- Beginning_Date: 19960414
- Ending_Date: 19960606
- Currentness_Reference: ground condition
- Status:
-
- Progress: Complete
- Maintenance_and_Update_Frequency: As needed
- Spatial_Domain:
-
- Bounding_Coordinates:
-
- West_Bounding_Coordinate: -126.98272
- East_Bounding_Coordinate: -124.12401
- North_Bounding_Coordinate: 48.22310
- South_Bounding_Coordinate: 44.11871
- Keywords:
-
- Theme:
-
- Theme_Keyword_Thesaurus: ISO 19115 Topic Category
- Theme_Keyword: geoscientificinformation
- Theme_Keyword: oceans
- Theme:
-
- Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
- Theme_Keyword: EARTH SCIENCE > OCEANS
- Theme:
-
- Theme_Keyword_Thesaurus: USGS CMG InfoBank
- Theme_Keyword: Marine Geology
- Theme_Keyword: Marine Geophysics
- Theme_Keyword: Bathymetry
- Theme_Keyword: Water Depth
- Theme_Keyword: Seafloor Topography
- Theme_Keyword: Marine Seismic
- Place:
-
- Place_Keyword_Thesaurus: USGS CMG InfoBank
- Place_Keyword: Cascadia, Washington
- Place_Keyword: Juan de Fuca Ridge
- Place_Keyword: North Pacific Ocean
- Place_Keyword: Northern Pacific Ocean
- Place_Keyword: OR
- Place_Keyword: USA
- Place_Keyword: WA
- Place_Keyword: Washington / Oregon
- Place_Keyword: Washington-Oregon
- Access_Constraints:
-
Physical materials are under controlled on-site access.
If available, access to physical samples is described
in the "WR CMG Sample Distribution Policy" at:
<http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
- Use_Constraints:
-
Please recognize the U.S. Geological Survey (USGS) as
the source of this information.
Physical materials are under controlled on-site access.
Some USGS information accessed through this means
may be preliminary in nature and presented without
the approval of the Director of the USGS. This
information is provided with the understanding
that it is not guaranteed to be correct or complete
and conclusions drawn from such information are
the responsibility of the user.
This information is not intended for navigational
purposes.
Any use of trade, firm, or product names is for
descriptive purposes only and does not imply
endorsement by the U.S. Government.
- Point_of_Contact:
-
- Contact_Information:
-
- Contact_Organization_Primary:
-
- Contact_Organization:
-
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
- Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
- Contact_Position:
-
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
- Contact_Address:
-
- Address_Type: mailing and physical address
- Address: USGS, MailStop 999, 345 Middlefield Road
- City: Menlo Park
- State_or_Province: CA
- Postal_Code: 94025-3561
- Country: USA
- Contact_Voice_Telephone: (650) 329-5055
- Contact_Facsimile_Telephone: (650) 329-5190
- Contact_Electronic_Mail_Address:
-
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
- Data_Set_Credit:
-
Mike Fisher (Chief Scientist, USGS Western Region);
Ernst Flueh (Chief Scientist, Geomar, Germany)
- Native_Data_Set_Environment: Digital, ASCII
- Cross_Reference:
-
- Citation_Information:
-
- Originator:
-
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
- Publication_Date: Unknown
- Title: USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>
- Publication_Information:
-
- Publisher:
-
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
- Publication_Place: Menlo Park, CA
- Online_Linkage: <http://walrus.wr.usgs.gov/infobank/>
- Other_Citation_Details:
-
Flueh, E.R., Fisher, M.A., Bialas, Joerg, Childs, J.R., Klaeschen, Dirk, Kukowski, Nina, Parsons, Tom, Scholl, D.W., ten Brink, Uri, Trehu, A.M., and Vidal, Neus, 1998, New seismic images of the Cascadia subduction zone from cruise SO108 -- ORWELL, Tectonophysics, 293, 69-84. URL:
<A HREF = "<http://dx.doi.org/10.1016/S0040-1951(98>)00091-2" target = "TC"><http://dx.doi.org/10.1016/S0040-1951(98>)00091-2</A>
- Data_Quality_Information:
-
- Attribute_Accuracy:
-
- Attribute_Accuracy_Report: Identified as best available version.
- Logical_Consistency_Report: Unspecified
- Completeness_Report:
-
Start and end date/times of data
Navigation Data (s-1-96-wo.060 [GPS])
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199604230030277 199604231212278
199604231230278 199604231853429
199604242017062 199604250359363
199604250415213 199604251020364
199604251053364 199604251851214
199604271500088 199604281650390
199604300237392 199605010053393
199605010101393 199605010643394
199605030100001 199605032126003
199605032141003 199605040504003
199605052315004 199605071759007
199605090838599 199605101425001
199605111926579 199605120954534
199605121904026 199605131156454
199605132127165 199605141720499
199605142319140 199605150937512
199605150946151 199605151612452
199605160110204 199605161413546
199605161656136 199605162152407
199605170006018 199605171810531
199605181426055 199605190337477
199605190730118 199605191049398
199605191551039 199605200208531
199605200216351 199605200734442
199605201712199 199605202002470
199605202114110 199605212202344
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Bathymetry Data (s-1-96-wo.300_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199604230030277 199604231212278
199604231230278 199604231853429
199604242017062 199604250359363
199604250415213 199604251020364
199604251053364 199604251851214
199604271500088 199604281650390
199604300237392 199605010053393
199605010101393 199605010643394
199605030100001 199605032126003
199605032141003 199605040504003
199605052315004 199605071759007
199605090838599 199605101425001
199605111926579 199605120954534
199605121904026 199605131156454
199605132127165 199605141720499
199605142319140 199605150937512
199605150946151 199605151612452
199605160110204 199605161413546
199605161656136 199605162152407
199605170006018 199605171810531
199605181426055 199605190337477
199605190730118 199605191049398
199605191551039 199605200208531
199605200216351 199605200734442
199605201712199 199605202002470
199605202114110 199605212202344
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Seismic Shots Data (s-1-96-wo.400_060)
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
199604230030277 199604231212278
199604231230278 199604231853429
199604242017062 199604250359363
199604250415213 199604251020364
199604251053364 199604251851214
199604271500088 199604281650390
199604300237392 199605010053393
199605010101393 199605010643394
199605030100001 199605032126003
199605032141003 199605040504003
199605052315004 199605071759007
199605090838599 199605101425001
199605111926579 199605120954534
199605121904026 199605131156454
199605132127165 199605141720499
199605142319140 199605150937512
199605150946151 199605151612452
199605160110204 199605161413546
199605161656136 199605162152407
199605170006018 199605171810531
199605181426055 199605190337477
199605190730118 199605191049398
199605191551039 199605200208531
199605200216351 199605200734442
199605201712199 199605202002470
199605202114110 199605212202344
YYYYMMDDHHMMSST YYYYMMDDHHMMSST
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Navigation Data
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Bathymetry Data
11/03/2008 jpaz /infobank/s/s196wo/bath/s-1-96-wo.300_060
/infobank/programs/edit/automerge/automerge
Input was...
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1 2 3
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- Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
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- Contact_Organization:
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U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
- Contact_Person: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
- Contact_Position:
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InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
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- City: Menlo Park
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- Contact_Voice_Telephone: (650) 329-5055
- Contact_Facsimile_Telephone: (650) 329-5190
- Contact_Electronic_Mail_Address:
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infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
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Downloadable Data S-1-96-WO data set <http://walrus.wr.usgs.gov/infobank/s/s196wo/html/s-1-96-wo.meta.html>
- Distribution_Liability:
-
Please recognize the U.S. Geological Survey (USGS) as
the source of this information.
Physical materials are under controlled on-site access.
Some USGS information accessed through this means
may be preliminary in nature and presented without
the approval of the Director of the USGS. This
information is provided with the understanding
that it is not guaranteed to be correct or complete
and conclusions drawn from such information are
the responsibility of the user.
This information is not intended for navigational
purposes.
Any use of trade, firm, or product names is for
descriptive purposes only and does not imply
endorsement by the U.S. Government.
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U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
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InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
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- City: Menlo Park
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- Contact_Voice_Telephone: (650) 329-5055
- Contact_Facsimile_Telephone: (650) 329-5190
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infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
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|
