U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>
20130331
Geophysical data of field activity I-4-77-NP in Middle
America Trench, off Guatemala from 04/23/1977 to 05/23/1977
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
http://walrus.wr.usgs.gov/infobank/gos/i-4-77-np.fmeta.xml
http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.meta.html
University of Texas,United States Geological Survey, Menlo
Park, California. Chief Scientist: John Ladd. Geophysical
data (bathymetry, magnetics) of field activity I-4-77-NP in
Middle America Trench, off Guatemala from 04/23/1977 to
05/23/1977,
http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.meta.html.
These data and information are intended for science
researchers, students from elementary through
college, policy makers, and general public.
Equipment Used -
bathymetry
magnetics
Publications -
Ladd, J.W., Ibrahim, A.K., McMillen, K.J., Latham, G.V., Worzel, J.L., von Huene, R.E.,
Watkins, J.S., and Moore, J.C., 1978, Structures and tectonics associated with the Middle
America Trench, offshore Guatemala: Geological Society of America Abstracts with Programs,
v. 10, no. 7, p. 439.<BR>
<HR>
Ladd, J.W., Ibrahim, A.K., McMillen, K.J., Latham, Gary V., and von Huene, Roland, 1982,
Interpretation of seismic-reflection data of the Middle America Trench offshore Guatemala, in
Orlofsky, Susan, ed., Initial Reports of the Deep Sea Drilling Project covering Leg 67 of the
cruises of the drilling vessel Glomar Challenger, Manzanillo, Mexico to Puntarenas, Costa Rica:
Initial Reports of the Deep Sea Drilling Project, v. 67, p. 675-689.<BR>
<HR>
International Symposium on the February 4th, 1976, Guatemalan Earthquake
and the Reconstruction Process:<BR><A HREF="http://igsrglib02.er.usgs.gov/webpac-bin/wgbroker?0104132554040016400+1+search+select++7+4"</A>
<HR>
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.).
19770423
19770523
ground condition
As needed
-92.23440
-84.78140
13.85680
9.30700
ISO 19115 Topic Category
geoscientificinformation
oceans
Global Change Master Directory (GCMD)
EARTH SCIENCE > OCEANS
USGS CMG InfoBank
Marine Geology
Marine Geophysics
Marine Magnetic Field
Magnetic Anomalies
Bathymetry
Water Depth
Seafloor Topography
USGS CMG InfoBank
Central America
Middle America Trench, off Guatemala
North Pacific Ocean
Northern Pacific Ocean
Seafloor Topography
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
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.
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
John Ladd (Chief Scientist, University Of Texas);
Roland Von Huene (Unspecified, USGS Western Region);
Otis Murray (Ship Captain, Ida Green)
Digital, ASCII
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Unknown
USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>
Menlo Park, CA
U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Ladd, J.W., Ibrahim, A.K., McMillen, K.J., Latham, G.V., Worzel, J.L., von Huene, R.E.,
Watkins, J.S., and Moore, J.C., 1978, Structures and tectonics associated with the Middle
America Trench, offshore Guatemala: Geological Society of America Abstracts with Programs,
v. 10, no. 7, p. 439.
Ladd, J.W., Ibrahim, A.K., McMillen, K.J., Latham, Gary V., and von Huene, Roland, 1982,
Interpretation of seismic-reflection data of the Middle America Trench offshore Guatemala, in
Orlofsky, Susan, ed., Initial Reports of the Deep Sea Drilling Project covering Leg 67 of the
cruises of the drilling vessel Glomar Challenger, Manzanillo, Mexico to Puntarenas, Costa Rica:
Initial Reports of the Deep Sea Drilling Project, v. 67, p. 675-689.
International Symposium on the February 4th, 1976, Guatemalan Earthquake
and the Reconstruction Process:<BR><A HREF="http://igsrglib02.er.usgs.gov/webpac-bin/wgbroker?0104132554040016400+1+search+select++7+4"</A>
http://walrus.wr.usgs.gov/infobank/
Identified as best available version.
Unspecified
Start and end date/times of data
>Navigation Data (i-4-77-np.050 [SINS])
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197704232356000 197705181850000
>197705181915000 197705192020000
>197705192100000 197705200320000
>197705200350000 197705201030000
>197705201120000 197705201238000
>197705201300000 197705220805000
>197705220900000 197705220900000
>197705220954000 197705220954000
>197705221126000 197705221148000
>197705221330000 197705221330000
>197705221355000 197705221422000
>197705221448000 197705230530000
>197705230730000 197705230730000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Magnetics Data (i-4-77-np.220_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197704241100000 197704241140000
>197704241200000 197704241205000
>197704241250000 197704241745000
>197704241755000 197704242235000
>197704242300000 197704250330000
>197704250355000 197704272215000
>197704272235000 197704272250000
>197704272305000 197704280440000
>197704280450000 197704280455000
>197704280505000 197704280700000
>197704280725000 197704280730000
>197704281730000 197704292230000
>197704300000000 197704300000000
>197704300010000 197704301020000
>197704301530000 197704301600000
>197704301805000 197704301940000
>197704301950000 197705011245000
>197705031300000 197705031715000
>197705031735000 197705032005000
>197705061455000 197705061510000
>197705061520000 197705062155000
>197705070850000 197705070940000
>197705070946000 197705071635000
>197705071645000 197705071715000
>197705071725000 197705090012000
>197705090020000 197705091750000
>197705091800000 197705100500000
>197705100520000 197705101300000
>197705110240000 197705110825000
>197705111645000 197705111810000
>197705111840000 197705122300000
>197705130000000 197705130010000
>197705130020000 197705130200000
>197705150650000 197705151700000
>197705151850000 197705160100000
>197705160145000 197705160200000
>197705172130000 197705172150000
>197705172200000 197705180725000
>197705180925000 197705181255000
>197705212025000 197705212125000
>197705212335000 197705220300000
>197705220435000 197705220730000
>197705221550000 197705221630000
>197705221705000 197705221740000
>197705222350000 197705230315000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>Bathymetry Data (i-4-77-np.300_050)
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
>197704240040000 197704250300000
>197704250340000 197704250400000
>197704250435000 197704250710000
>197704250750000 197704251030000
>197704251040000 197704251430000
>197704251436000 197704260815000
>197704260830000 197704261005000
>197704261055000 197704261445000
>197704261500000 197704261600000
>197704261610000 197704261710000
>197704261720000 197704261815000
>197704261830000 197704262210000
>197704262220000 197704262245000
>197704262255000 197704270400000
>197704270530000 197704270940000
>197704270950000 197704280400000
>197704280415000 197704280805000
>197704280815000 197704280840000
>197704280855000 197704281150000
>197704281200000 197704281210000
>197704281230000 197704282110000
>197704282130000 197704290400000
>197704290415000 197704290640000
>197704290700000 197704290800000
>197704290815000 197704290820000
>197704290830000 197704291025000
>197704291035000 197704292225000
>197704292235000 197704292315000
>197704292325000 197704300310000
>197704300320000 197704300400000
>197704300500000 197704300500000
>197704300510000 197704300515000
>197704300535000 197704300535000
>197704300550000 197704301415000
>197704301430000 197704301530000
>197704301540000 197704301740000
>197704301755000 197704301840000
>197704301855000 197704301940000
>197704301950000 197704302350000
>197705010000000 197705011320000
>197705011445000 197705011735000
>197705011745000 197705020840000
>197705021325000 197705021450000
>197705021515000 197705021540000
>197705021605000 197705022330000
>197705022345000 197705022345000
>197705030010000 197705030230000
>197705030240000 197705030400000
>197705030410000 197705030440000
>197705030450000 197705030520000
>197705030530000 197705030645000
>197705031220000 197705031755000
>197705031820000 197705031940000
>197705032000000 197705032040000
>197705061440000 197705070455000
>197705070920000 197705071215000
>197705071230000 197705071230000
>197705071240000 197705071250000
>197705071300000 197705072245000
>197705072255000 197705080735000
>197705080745000 197705081025000
>197705081050000 197705081100000
>197705081110000 197705082000000
>197705082020000 197705082340000
>197705082350000 197705092350000
>197705100000000 197705100430000
>197705100500000 197705101300000
>197705101630000 197705110830000
>197705111605000 197705111840000
>197705111910000 197705120230000
>197705120240000 197705120315000
>197705120900000 197705121210000
>197705121225000 197705121320000
>197705121330000 197705121340000
>197705121355000 197705122300000
>197705130000000 197705130200000
>197705130730000 197705130830000
>197705131700000 197705140555000
>197705140705000 197705141200000
>197705141300000 197705141845000
>197705141915000 197705150540000
>197705150645000 197705150940000
>197705150950000 197705152030000
>197705152115000 197705160200000
>197705172120000 197705172150000
>197705172200000 197705180230000
>197705180240000 197705180720000
>197705180730000 197705181300000
>197705181310000 197705181830000
>197705181850000 197705181850000
>197705181915000 197705182235000
>197705182245000 197705190900000
>197705190910000 197705191035000
>197705191045000 197705191905000
>197705191925000 197705191935000
>197705191945000 197705192020000
>197705192100000 197705192100000
>197705192120000 197705200320000
>197705200350000 197705201030000
>197705201300000 197705210100000
>197705210115000 197705210220000
>197705210235000 197705210520000
>197705210530000 197705210550000
>197705210600000 197705210645000
>197705210655000 197705220020000
>197705220030000 197705220240000
>197705220255000 197705220300000
>197705220330000 197705220755000
>197705221355000 197705221420000
>197705221520000 197705221605000
>197705221620000 197705221620000
>197705221630000 197705230530000
>YYYYMMDDHHMMSST YYYYMMDDHHMMSST
Unspecified
Unspecified
Navigation Data
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.IDAGREEN]I477NP.050;
>DUA0:[DATA.IDAGREEN]TEMP.EXE;
>
19951205
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Magnetics Data
>06/20/2012 carolyn i-4-77-np.220_050
>
>Reprocessed using subroutines from Susan Macmillan's
>IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
>with IGRF-11 coeffiecients integrated into the source code.
>/infobank/programs/mag/magred11/magred11.for
>Using geodetic coordinate system (Earth shape approximated by spheriod)
>with altitude 0.0 km (for sea level).
>
>Input was...
>10/31/1998 /tiger/i/i477np/mag/i-4-77-np.200_050
>/bear/programs/edit/automerge/automerge
>
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.IDAGREEN]I477NP.200;
>DUA0:[DATA.IDAGREEN]TEMP.EXE;
>
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.IDAGREEN]I477NP.050;
>DUA0:[DATA.IDAGREEN]TEMP.EXE;
>
>time, lat, long, time(sec) to nearest nav fix, data values
20120620
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Bathymetry Data
>10/31/1998 /tiger/i/i477np/bath/i-4-77-np.300_050
>/bear/programs/edit/automerge/automerge
>
>Input was...
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.IDAGREEN]I477NP.300;
>DUA0:[DATA.IDAGREEN]TEMP.EXE;
>
>Input was...
>Converted to time format with year at start.
>
>05/01/86 CLINT DUA0:[DATA.IDAGREEN]I477NP.050;
>DUA0:[DATA.IDAGREEN]TEMP.EXE;
>
>time, lat, long, time(sec) to nearest nav fix, data values
19981031
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Middle America Trench, off Guatemala
Point
Point
0.00001
0.00001
Decimal degrees
North American Datum of 1927
Clarke 1866
6378206.4
294.98
Local surface
0.1
meters
Attribute values
Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
Downloadable Data I-4-77-NP data set <http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.meta.html>
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.
ASCII
No compression applied
0.3
http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.nav.html
ASCII
No compression applied
0.2
http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.mag.html
ASCII
No compression applied
0.3
http://walrus.wr.usgs.gov/infobank/i/i477np/html/i-4-77-np.bath.html
None
20130331
U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
mailing and physical address
USGS, MailStop 999, 345 Middlefield Road
Menlo Park
CA
94025-3561
USA
(650) 329-5055
(650) 329-5190
infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>
FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/>
FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>
universal time
none
none