On a sidenote, the trace on "keyw" (reference the http://www.iris.edu/amaseis/schools/ link) has "data-breaks" where the trace appears to stick.

Has any reason been identified as to what is causing this? I have the same 'problem'.

 

 

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11:40:17 UTC today M 6.6 earthquake in the Andaman Islands region of the Bay of Bengal. There were no reports of casualties or Tsunami warning. The PAUL Helicorder is now on http://www.iris.edu/amaseis/schools/

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Just discernible on the PAUL helicorder trace a M5.4 earthquake off the coast of southern Greece on Saturday 21st June 11:36:25 UT what made it discernible was the relative shallow depth of 16.9 km compared to the M5.4 event in southern greece on 18th June 01:58 UT at a depth of 65.8Km.

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The BBC news page reports 2 dead and 20 injured , mainly due to falling roofs. it shows a short video clip showing the shaking and subsequent damage. The European-Mediterranean Seismological site reports some 26 subsequent earthquakes / aftershocks in the area.

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{{file:671}} 20:02 UT today  M 5.6 earthquake just off the coast of Northern Algeria, no reports of casualties.

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The Helicorder trace from PAUL shows the two M 6.4 earthquakes today , the first at 01:57 UT in the Batan Islands region of the Phillipines and the second at 14:31 UT in the Macquarie Lslands.

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