Global Change Master Directory (GCMD)

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The Missouri to Massachusetts Broadband Seismometer Experiment

Entry ID: PASSCAL_MOMA

Summary

Abstract: 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
spanning 1740 km. The goal of the experiment was to obtain new
information about the structure of the core-mantle boundary (CMB), the
structure of the crust and mantle beneath the eastern U.S. (including
mantle discontinuities, mantle anisotropy, and lateral velocity
variations), and the structure of subducting lithospheric slabs.

Geographic Coverage

Spatial coordinates

N: 42.5

S: 37.5

E: -71.25

W: -91.25

Data Set Citation

Dataset Originator/Creator: Karen Fischer, Brown University; Michael Wysession, Washington University; Timothy Clarke, New Mexico Tech

Dataset Title: The Missouri to Massachusetts Broadband Seismometer Experiment

Dataset Publisher: IRIS > Incorporated Research Institutions for Seismology

Version: Not provided

Temporal Coverage

Start Date: 1995-01-20

Stop Date: 1996-04-12

Location Keywords

SOLID EARTH > CORE

SOLID EARTH > CRUST

Science Keywords

SOLID EARTH > TECTONICS > EARTHQUAKES > EARTHQUAKE MAGNITUDE/INTENSITY

SOLID EARTH > TECTONICS > EARTHQUAKES > EARTHQUAKE OCCURRENCES

SOLID EARTH > TECTONICS > EARTHQUAKES > SEISMIC PROFILE > SEISMIC BODY WAVES

SOLID EARTH > TECTONICS > EARTHQUAKES > SEISMIC PROFILE > SEISMIC SURFACE WAVES

Platform

GSN > Global Seismic Network

IRIS-GSN > Incorporated Research Institutions for Seismology Network - Global Seismographic Network

PASSCAL > Program for Array Seismic Studies of the Continental Lithosphere

Instrument

Seismometers

Quality Please note that the CMG-3T instrument responses in the data archived
at the DMC were incorrect through August of 1998. All instrument
responses are now correct.

Data gaps related to low station power occurred at many
sites,particularly during the winter months due to snow and ice
accumulations on solar panels. Data gaps due to DAS failures were not
uncommon.

Access Constraints None

Use Constraints Please cite the data properly.

Ancillary Keywords

BROADBAND

CMB

Data Set Progress

COMPLETE

Data Center

PASSCAL Instrument Center, Incorporated Research Institutions for Seismology

Data Center URL: http://www.passcal.nmt.edu/

Data Center Personnel
Name: IRIS PASSCAL INSTRUMENT CENTER Phone: (505) 835-5070 Fax: (505) 835-5079 Email: passcal at passcal.nmt.edu Contact Address: PASSCAL Instrument Center New Mexico Tech 100 East Road City: Socorro Province or State: NM Postal Code: 87801 Country: USA

Incorporated Research Institutions for Seismology

Data Center URL: http://www.iris.edu/

Data Center Personnel
Name: TIM AHERN Phone: +1 206 547-0393 Email: tim at iris.washington.edu Contact Address: IRIS Data Management System 1408 NE 45 St, Suite 201 City: Seattle Postal Code: WA 98105 Country: United States

Distribution

Distribution Format: SEED

Personnel

KAREN M. FISCHER

Role: INVESTIGATOR

Phone: 401-863-1360

Email: Karen_Fischer at Brown.EDU

Contact Address:

Geological Sciences Department

Brown University

Box 1846

City: Providence

Province or State: Rhode Island

Postal Code: 02912-1846

Country: USA

GENE R. MAJOR

Role: METADATA AUTHOR

Email: gsfc-gcmduso at mail.nasa.gov

MICHAEL E. WYSESSION

Role: INVESTIGATOR

Role: TECHNICAL CONTACT

Phone: (314) 935-5625

Email: MICHAEL at WUCORE.WUSTL.EDU

Contact Address:

Department of Earth and Planetary Science

Washington University

Campus Box 1169

One Brookings Drive

City: ST LOUIS

Province or State: MO

Postal Code: 63130-4899

Country: USA

Extended Metadata Properties

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Creation and Review Dates

DIF Creation Date: 2001-03-31

Last DIF Revision Date: 2018-07-30

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