aseismic transient.
Posted by John Vidale on August 21, 2004 at 12:54:35:

that's just jargon for some deformation that is too slow to generate seismic waves, that is, deformation that takes minutes to days to take place rather than seconds.

John

Follow Ups:
     ● Yes, I figured as much. - Roger Hunter  14:30:30 - 8/21/2004  (22554)  (1)
        ● No, I'm going on vacation again - John Vidale  23:20:14 - 8/21/2004  (22556)  (1)
           ● What paper? - chris in suburbia  18:21:46 - 8/22/2004  (22557)  (1)
              ● a test of syzygy on a global scale - John Vidale  22:15:51 - 8/22/2004  (22564)  (0)