Labels:text | screenshot | number | font OCR: Database for the Geologic Map of the Summit Region of Kilauea Volcano, Hawaii Introduction movement of Kilauea's flank in response to distension of The area covered by this map includes parts of four U.S. the volcano perpendicular to the rift zones and provide Geological Survey (USGS) 7.5' topographic quadrangles files for visualization in Google Earth, a global map (Kilauea Crater, Volcano, Ka'u Desert, and Makaopuhi). viewer. It encompasses the summit, upper rift zones, and Koa'e This digital release contains all the information used to Fault System of Kilauea Volcano and a part of the produce the geologic map published as USGS Geologic adjacent, southeast flank of Mauna Loa Volcano. Investigations Series 1-2759 (Neal and Lockwood, 2003). The map is dominated by products of eruptions from The main component of this digital release is a geologic Kilauea Volcano, the southernmost of the five volcanoes map database prepared using ArcInfo GIS. This release on the Island of Hawai'i and one of the world's most also contains printable files for the geologic map and accompanying descriptive pamphlet from 1-2759. active volcanoes. At its summit (1,243 m) is Kilauea Crater, a 3 km-by-5 km collapse caldera that formed, System Requirements possibly over several centuries, between about 200 and 500 years ago. Radiating away from the summit caldera This CD-ROM (DS_293) was produced in accordance are two linear zones of intrusion and eruption, the with the ISO 9660 Level 2 standard and Apple Computer's east and the southwest rift zones. Repeated subaerial hierarchical file system (HFS) standard. The data and text eruptions from the summit and rift zones have built on this CD-ROM require either a UNIX system-based or a gently sloping, elongate shield volcano covering Linux workstation, Macintosh or compatible computer, or approximately 1,500 km2. Much of the volcano lies an IBM or compatible personal computer, all equipped with under water: the east rift zone extends 110 km from the a CD-ROM drive and a color monitor that can display 256 summit to a depth of more than 5,000 m below sea level colors (16.7 million recommended). whereas, the southwest rift zone has a more limited Any use of trade, product, or firm names is for descriptive submarine continuation. South of the summit caldera, purposes only and does not imply endorsement by the U.S. mostly north-facing normal faults and open fractures Government. of the Koa'e Fault System extend between the two rift zones. The Koa'e Fault System is interpreted as a This report and any updates to it are available online at http://pubs.usgs.gov/ds/2007/293/ tear-away structure that accommodates southward U.S. DEPARTMENT OF THE INTERIOR COMPACT DIRK KEMPTHORNE, Secretary disc ISBN 978-1-4113-2035-2 HFS 0660 U.S. GEOLOGICAL SURVEY Mark D. Myers, Director DATA STORAGE 9 781411 320352