Fig. 10From: Real-time crustal monitoring system of Japanese Islands based on spatio-temporal seismic velocity variationSchematic diagram of the ambient-noise monitoring system. The system comprises three operations: downloading ambient-noise data, processing the data, and displaying the spatio-temporal velocity variations on a website. A crontab module starts the update cycle every day at midnight. Presently we update the monitoring results every week on the websiteBack to article page