Redwood City Public Seismic Network

Redwood City, California USA Current Weather Conditions

Current Seismicity

Image updated every 5 minutes

PSN Station Map

2017 Eclipse Trip to Oregon

New Earthquake Data Files. This list is updated ~5 minutes after an event and is purged after 7 days.
Earthquake Data Files by year and month. You can also search the event archives by day and PSN station ID.
Hawaii security camera videos of volcano related earthquakes 5.5, 5.2 and a 5.3. More information...
Station Information on the event data files recorded by my system. PSN Station List by file extension.
Teleseismic and Other Interesting Events recorded on my system.
Download Software (WinQuake and Quakevu) to view PSN and SAC binary event data files.
Utility Software. This page currently has a basic program to calculate bearing and distance.
Homebuilt Seismograph FAQ has information on how to build your own seismograph station.
Information, Equipment and Software to help you build your own seismograph station.
Public Seismic Network Mailing Lists Subscribe or unsubscribe to the PSNLIST, NewEvent, and NewFile mailing lists. Updated: 6/27/15
Archives of past PSNLIST messages.
Block Diagram of the Redwood City PSN system.
Request Data from any USGS or local sensor monitored by my data logging systems.
Dec. 8th, 1998 Northern California PSN meeting summary and photos.
Dec. 20th, 1997 Northern California PSN meeting summary.
Sept. 5th, 2015 Northern California PSN meeting video.
Please Read if your are planning to build the ADXL05 sensor based on the April 1996 Scientific American article.
Strong Motion data comparing an ADXL05 based sensor and a Kinemetrics FBA-23A commercial sensor. Other strong motion data.
PSN Type 4 event file format.
e-Quake's Seismic Explorer software to link PSN stations in real-time with regional networks.
Nevada Seismological Laboratory's "Real-Time" K-12 Educational Seismic Network
History of the Public Seismic Network
Locating Earthquakes Using Earthworm
Running Earthworm on a Raspberry Pi Board
Running WinSDR and WinQuake on a Raspberry Pi Board
North Korean Nuclear Test on 2016-09-09 recorded in Australia
GPS Timing for the SHAKE or Raspberry PI Board
Short video of our last PSN meeting on Sept. 5th, 2015
Period Extension Filters This type of filter can be used to extend the frequency range of your sensor.
How the Richter Scale Measures Earthquakes
VolksMeter Sensor sold by RLL Instruments - More Information: State-of-the-art Digital Seismometer

Software Downloads:

WinSDR 4.7.8b9 - Added support for all versions of the Raspberry PI Shake. Release Date: May 19, 2018

WinSDR 4.7.8b - Release Notes - Added support for the Shake digitizer. Release Date: Feb. 13, 2017

WinQuake 3.4.2 - Added support to run under Linux using Wine - Release Date: June. 17, 2017

Earthworm Modules - PsnAdSend Earthworm Module - Updated: Dec. 22, 2014

EwConsole, a Windows GUI replacement for the Earthworm startstop_nt.exe module

Linux Driver Library and Windows DLL for my 16 Bit and 24 Bit A/D Boards - Updated April 23, 2018

WinPlotGPS 1.5 - Release Date March 14, 2003

Search for documents and files on this website

Other PSN Web Sites

Additional Seismometer and Earthquake Information

Information on Seismic Waves, Magnitude and Plate Tectonics from the University of Nevada, Reno.
Locating Earthquakes (A tutorial on how earthquake locations are determined) from the USGS Home Page in Menlo Park, California
Seismo-surfing the Internet and LW's Geo Site home pages have links to more information related to Seismology and Geology.
Princeton Earth Physics Project home page. WinQuake Ver. 2.2 can now read PEPP data files.
Dave Nelson's home page has information on New Zealand seismology and astronomy.
New Zealand seismology Interactive Earthquakes and Quake Trackers.
Quake Pro has earthquake hazard reduction equipment like automatic shutoff valves, water storage containers, and emergency kits.
Virtual Earthquakes is an excellent site for learning about how earthquakes are located and how magnitudes are determined.
Earthquake References maintain by the British Geological Survey.
Recent World Wide Earthquakes. This Web site is maintain by the USGS in Menlo Park, Ca.
Manual of Seismological Observatory Practice Lots of useful information on earthquakes.
OhioSeis Department of Geology at The College of Wooster.
Information on Australian Seismicity
Seismogram Analysis Training Outline Manual (1.2MB pdf file)
Mauro Mariotti's iNFO-EQ (Italiano) (English)
Seismo-Watch is a leading source of earthquake news and information on the Internet.
The Seismic Workgroup School Seismograph Station in Monschau Germany
Investigating Earthquakes through Regional Seismicity
Manuals for Seismograph Equipment
SeismicNews.com
Clickable Fault Maps for California
Sprengnethers and their Seismographs by Deborah Warner, National Museum of American History
Australian Regional Seismic Users Group Website
New - Astronomical Society of South Australia

Equipment Information

This items are no longer in production now that I am retired

24-Bit 4-Channel Digitizer Board - Schematic and Gerber files are available for this board
8-Channel 16-Bit Analog to Digital Converter Board - Schematic and Gerber files are available for this board
One to Four Channel Amplifier / Filter Board - Schematic and Gerber files are available for this board
3 Channel Seismic Amplifier/Filter Board - Schematic and Gerber files are available for this board
Garmin GPS 18-LVC OEM Timing Sensor
Pickup Coil and Magnet Set for Lehman sensors
4-Channel Strong Motion Accelerometer Sensor Board
Triaxial Accelerometer Sensor Board
Telemetry Demodulator Board

Local Weather and Radiation Conditions

Detail Weather Conditions and Plots - Weather Station Information - Radiation Monitoring Plots and Information

Page Last Updated: May 18, 2021

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Larry Cochrane - Contact Information