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This webpage is a sound check for the Global Earthquake Warning
System of opefs.com.
The regular Audio Warning System only responds to quakes of magnitude
6 and above, whereas on this page every quake of the last 120 minutes
is vocalized.
To repeat the message click on the "Speak" image or refresh
the browser.
For greater cross-browser compatibility it is necessary
to have the RealPlayer
plugin installed and the browser Javascript enabled
to hear the voice.
On
the map are the latest USGS quakes colored green,
those from EMSC are colored
reddish
(coral).
What
am I looking at?
The Explanation Page will
give a guided tour.
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