Hawaiian Volcano Observatory

U.S. Geological Survey
Open-File Report 2008-1261
Version 1.0

Hawaiian Volcano Observatory Seismic Data, January to December 2007

By Jennifer S. Nakata and Paul G. Okubo

2008

map of the Hawaiian Islands showing the locations of earthquakes.  Larger quakes are shown by larger boxes.
2007 earthquake locations, Hawiian Islands, 0–60 km depth, M≥3.5 (from figure 11)

The U.S. Geological Survey (USGS), Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data and is complete in that most data for events of M≥1.5 are included. All latitude and longitude references in this report are stated in Old Hawaiian Datum.

The HVO summaries have been published in various forms since 1956. Summaries prior to 1974 were issued quarterly, but cost, convenience of preparation and distribution, and the large quantities of data necessitated an annual publication, beginning with Summary 74 for the year 1974. Beginning in 2004, summaries are simply identified by the year, rather than by summary number.

Summaries originally issued as administrative reports were republished in 2007 as Open-File Reports. All the summaries since 1956 are listed at http://geopubs.wr.usgs.gov/ (last accessed September 30, 2008).

In January 1986, HVO adopted CUSP (California Institute of Technology USGS Seismic Processing). Summary 86 includes a description of the seismic instrumentation, calibration, and processing used in recent years. The present summary includes background information about the seismic network to provide the end user an understanding of the processing parameters and how the data were gathered.

A report by Klein and Koyanagi (1980) tabulates instrumentation, calibration, and recording history of each seismic station in the network. It is designed as a reference for users of seismograms and phase data and includes and augments the information in the station table in this summary.


Download this report as a 99-page PDF document (of2008-1261.pdf; 4.1 MB)

For questions about the content of this report, contact Jennifer Nakata

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