Redwood City Public Seismic Network Redwood City, California USA Current Weather Conditions Current Seismicity Image updated every 5 minutes - More images and information. PSN Station Map New - WinQuake Version 2.8.9 and WinSDR Version 2.0.5 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 ...