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Eject!: A program for the calculation of ballistic trajectories of volcanic blocks
 Entry ID: USGS_EJECT

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Summary
Abstract: Eject is a program developed by Volcano-Groundwater Interaction Project Chief,
Larry G. Mastin, at the U.S. Geological Survey's Cascades Volcano Observatory.
The program is a simple Microsoft Windows-based tool to calculate the ballistic
trajectories of projectiles ejected during volcanic eruptions.
Related URL
Link: GET SERVICE > GET SOFTWARE PACKAGE
Description: 2.4 Mbytes, self-extracting zip file of the executable program for Windows 95
or later, version 1.3, updated March 2004
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Service Citation
Originators: Larry G. Mastin
Title: A Simple Calculator of Ballistic Trajectories for Blocks Ejected during Volcanic Eruptions
Provider: U.S. Geological Survey
Edition: Version 1.3, updated March 2004
URL: http://vulcan.wr.usgs.gov/Projects/Mastin/Publications/OFR01-45/fra...
Service Keywords
MODELS >PHENOMENOLOGICAL MODELS Parameter Definition
MODELS >GEOLOGIC/TECTONIC/PALEOCLIMATE MODELS Parameter Definition

Science Keywords
SOLID EARTH >TECTONICS >VOLCANIC ACTIVITY >ERUPTION DYNAMICS Parameter Definition
SOLID EARTH >TECTONICS >VOLCANIC ACTIVITY >ERUPTION DYNAMICS >PYROCLASTICS COMPOSITION/TEXTURE Parameter Definition
ISO Topic Category
GEOSCIENTIFIC INFORMATION
Access Constraints None
Use Constraints Please cite Service Provider, Larry G. Mastin, Project Chief,
Volcano-Groundwater Interaction, Cascades Volcano Observatory, U.S. Geological
Survey.
Ancillary Keywords
VOLCANOES
VOLCANIC ERUPTIONS
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Service Provider
DOI/USGS/GD/VHP/CVO > Cascades Volcano Observatory, Volcano Hazards Program, Geological Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Service Organization URL: http://vulcan.wr.usgs.gov/

Service Provider Personnel
Name: LARRY G. MASTIN
Phone: (360) 993-8925
Fax: (360) 993-8980
Email: lgmastin at usgs.gov
Contact Address:
Cascades Volcano Observatory
USGS
1300 SE Cardinal Court, Bldg. 10, Suite 100
City: Vancouver
Province or State: Washington
Postal Code: 98683
Country: USA
Distribution Media
Distribution_Media: Online (HTTP)
Distribution_Size: 2.4 Mbytes
Distribution_Format: self-extracting zip file
Fees: None
Personnel
LARRY G. MASTIN
Role: TECHNICAL CONTACT
Phone: (360) 993-8925
Fax: (360) 993-8980
Email: lgmastin at usgs.gov
Contact Address:
Cascades Volcano Observatory
USGS
1300 SE Cardinal Court, Bldg. 10, Suite 100
City: Vancouver
Province or State: Washington
Postal Code: 98683
Country: USA
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Publications/References
Mastin, L. G. (2001), A Simple Calculator of Ballistic Trajectories for Blocks Ejected during Volcanic Eruptions: USGS Open-File Report 01-45, version 1.1, http://vulcan.wr.usgs.gov/Projects/Mastin/Publications/OFR01-45/fra...
Creation and Review Dates
SERF Creation Date: 2004-05-12
SERF Last Revision Date: 2011-06-01
Future SERF Review Date: 2005-05-12
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