Hello George - Are you writing about the spiky lines? Those are telemetry problems, and not seismic signals. Thanks, Cheryl -------- George Makar wrote: Just curious - are the recent readouts due to inclement weather? Alot of recent activity showing on the summit webicorder isn't showing on the base webicorder... -- Cheryl Cameron Geologist, Alaska Volcano Observatory Alaska Division of Geological & Geophysical Surveys voice: 907-451-5012 fax: 907-451-5050