These seismograms display the vertical component of the broadband
channel of station WUAZ. The digitizer samples activity 20 times per second.
There are three images available.
What is the difference between
the following 3 seismograms?
- This displays the recent broadband vertical data.
Vertical long period.
- This displays the recent long-period data which will clearly
display large (M>5.5) earthquakes.
Vertical short period.
- This displays the recent high-frequency data
around Sunset Crater Arizona.
Vertical long period., or
Vertical short period. at station TUC,
The images are updated every 5-10 minutes. If you are using Netscape as
your browser you can force the image to be reloaded by hitting
the reload button in the Netscape toolbar.
If there is no image, it may be that a new image is under construction.
Try waiting a 15-30 seconds, and then reload this page.
Current display status
The seismogram display software was developed by Steve Sorenson.