• Hawaiian Volcano Observatory seismographic network
• Automatic processing of seismographic data is a product of the USGS Earthworm Seismic Software.
• Software used in manual processing of seismographic data and issuing earthquake notifications at HVO is the Caltech-USGS Seismic Processing (CUSP)/ Information on Seismic Activity in a Hurry (ISAIAH). CUSP is the product of a number of seismologists and programmers based at USGS regional earthquake network centers in Menlo Park and Pasadena, California. ISAIAH was added to CUSP in Pasadena to post earthquake information in near-real time.

Programs and Maps

• The HVO implementation of the Recent Earthquakes in Hawai`i maps is modeled after the Recent Earthquakes web pages designed and run for integrated Northern and Southern California earthquake reporting. At HVO, Stuart Koyanagi and Philip Ong installed and subsequently modified the software designed by Bob Simpson and colleagues at the U.S. Geological Survey, Menlo Park. Philip Ong further refined the HVO Recent Earthquakes system to incorporate automated Earthworm data sources and Jim Luetgert's "eqwaves" waveforms, as well as migrated the system to the current server.
• Maps are updated using the subroutine library gd written by Thomas Boutell, and the gd interpreter tgd written by Bradley K. Sherman.
• Waveform pages are generated using the Earthworm "eqwaves" module developed and maintained by Jim Luetgert of the USGS Northern California Seismic Net.
• The earthquake location data, seismologist comments, and additional information (e.g., seismogram images) are distributed among various operators of the recenteqs software using a program called QDDS written by Stephen Jacob and Alan Jones.