Search found 201 matches

by SheilaH
Thu Dec 31, 2020 7:46 am
Forum: EARTHQUAKES AND RELATED TSUNAMIS
Topic: Nashville Bombing Waveform and Spectro
Replies: 2
Views: 423

Re: Nashville Bombing Waveform and Spectro

Wow! Thanks MVL for asking if it registered and thank you dear for tracking it down!
by SheilaH
Thu Dec 17, 2020 8:23 pm
Forum: VOLCANOES, SUPERVOLCANOES AND LARGE IGNEOUS PROVINCES
Topic: El Hierro Volcano 2011
Replies: 0
Views: 249

El Hierro Volcano 2011

El Hierro. a volcano in the Canary Islands put on quite the show in 2011, Spectacular harmonic tremor at El Hierro Volcano located in Canary Islands in 2011. http://www.ign.es/web/resources/volcanologia/SIS/animaciones/IGN_EL_HIERRO_tremor_resumen.m4v Between 4.15 and 4.20am on 10 October 2011 the e...
by SheilaH
Sat Dec 05, 2020 5:34 am
Forum: SOLAR AND LUNAR ACTIVITY
Topic: I love the SDO
Replies: 2
Views: 887

Re: I love the SDO

Thanks...and welcome to forums!!!! I try hard with space weather but I may need more tutoring! And Human gave up on me hahahaha!
by SheilaH
Sat Dec 05, 2020 5:09 am
Forum: EARTHQUAKES AND RELATED TSUNAMIS
Topic: Bizarre Signature at Mt. Hood
Replies: 6
Views: 643

Re: Bizarre Signature at Mt. Hood

Andy works for USGS... I have enjoyed this indeed! Andy Lockhart This is a great thread! I think we really need someone experienced in TIMB noise. Its a rich environment for artificial noise. For starters, it's at a water tank as Renate points out. And there are groomers. And ski lifts, starting and...
by SheilaH
Fri Dec 04, 2020 6:01 pm
Forum: EARTHQUAKES AND RELATED TSUNAMIS
Topic: Bizarre Signature at Mt. Hood
Replies: 6
Views: 643

Re: Bizarre Signature at Mt. Hood

This reply was interesting.... Chris Wiley The station appears to be at some sort of round structure just uphill from timberline Lodge. My guess is it is a cistern. John Vidale badge icon That's cool! you can see the signal going up past 50, then 100, then 150 Hz, reversing course on the plot as it ...
by SheilaH
Fri Dec 04, 2020 5:01 pm
Forum: VOLCANOES, SUPERVOLCANOES AND LARGE IGNEOUS PROVINCES
Topic: A super volcano hiding in plain site?
Replies: 1
Views: 223

Re: A super volcano hiding in plain site?

Great...just what we need in the Alleutians! My oh my!!!!
by SheilaH
Fri Dec 04, 2020 4:42 pm
Forum: EARTHQUAKES AND RELATED TSUNAMIS
Topic: Bizarre Signature at Mt. Hood
Replies: 6
Views: 643

Re: Bizarre Signature at Mt. Hood

So I posted this over at PNSN Discussion group. It generated some responses indeed. Helicopter was ruled out. Another stated it was similar to iceberg movements in Antartica but that was ruled out. Here's a couple responses from John Vidale: John Vidale badge icon The upper line(s?) look like harmon...
by SheilaH
Fri Dec 04, 2020 7:54 am
Forum: EARTHQUAKES AND RELATED TSUNAMIS
Topic: Bizarre Signature at Mt. Hood
Replies: 6
Views: 643

Re: Bizarre Signature at Mt. Hood

Begs the question...where are the tracks? Alien choo choo?