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  1. #3801
    Join Date
    Aug 2006
    Posts
    6,451
    Yes. Just glad it was in the northern Sierra versus somewhere further away.

  2. #3802
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    4.7 per USGS. I felt and heard 2 quick loud bangs lasting less than a second. I thought someone's propane tank had exploded. Unlike any earthquake I've felt.

  3. #3803
    Join Date
    Jul 2005
    Location
    Verdi NV
    Posts
    9,067
    I was wondering if others caught this. I felt it in bed. And noticed my huge tv was moving a little. Then my phone went off with an earthquake alert. Google said it was a 6 16 miles from me. It was not a 6. A sharp 4 would be about right. Wonder if we start getting little shocks all the time like it was 15 years ago
    Own your fail. ~Jer~

  4. #3804
    Join Date
    Aug 2006
    Posts
    6,451
    Definitely had more of the multi-second jolts and shaking variety at my place. Followed by a 30 minute power outage for almost 14k peeps. I have a friend in fair oaks that felt it.

  5. #3805
    Join Date
    Oct 2008
    Location
    Wenatchee
    Posts
    9,354
    Quote Originally Posted by MTT View Post
    I was wondering if others caught this. I felt it in bed. And noticed my huge tv was moving a little. Then my phone went off with an earthquake alert. Google said it was a 6 16 miles from me. It was not a 6. A sharp 4 would be about right. Wonder if we start getting little shocks all the time like it was 15 years ago
    Maybe your seismometer isnít calibrated correctly?


    Sent from my iPhone using TGR Forums

  6. #3806
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    I finally figured out that the two bangs I heard were the bottom hinged plexiglass windows on my covered outside staircase banging against the wall. I don't know if I'd have noticed the quake otherwise--my house shakes when the people next door close their door.

  7. #3807
    Join Date
    Mar 2021
    Posts
    305
    Quote Originally Posted by Ottime View Post
    Not sure we want to see AEV NSFW. Just a guess.

    AEV - do you have a car? Mammoth is less then 3 hours and the Main Base is higher up than Granite Chief Peak. And they use salt.

    You wonít catch me driving to Mammoth this late in the season. Iíll make it up early next season.

    Looks like I can get 2 more days this weekend, with it freezing overnight. I can end the season with seven days, lucky number 7, Iím more OK with that than driving 6 hours per day to reach 10. Iím going to try to get 100 good days next season.

  8. #3808
    Join Date
    Feb 2010
    Posts
    258
    News report on last night's quake.

  9. #3809
    Join Date
    Nov 2003
    Location
    P-tex, CA
    Posts
    8,406
    In case you were wondering what 666'er was up to, he skied cold pow in AK 6 days ago...lucky guy eh?

    I'm in 'birthday/mothers day/little league/soccer hell' the next two weeks so doubt I can make it out for last closing day ever at SQUAW VALLEY USA

    And with these temps, just praying Mammy stays open for Memorial Day weekend.

  10. #3810
    Join Date
    Mar 2021
    Posts
    305
    ^^^ Lucky!

    I was living in Montana during that 5.8 a few years ago. Last night felt less, and I am much closer to the epicenter now than I was in MT.
    Last edited by AEV; 05-07-2021 at 01:50 PM.

  11. #3811
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    I was hoping to get one more day at AM. Finally got down to freezing last night. Summit on wind hold now. Maybe tomorrow. Back to raking the forest today.

  12. #3812
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    Quote Originally Posted by AEV View Post
    ^^^ Lucky!

    I was living in Montana during that 5.8 a few years ago. Last night felt less, and I am much closer to the epicenter now than I was in MT.
    5.8 is something like 10x bigger than 4.7.

  13. #3813
    Join Date
    Mar 2021
    Posts
    305
    Quote Originally Posted by old goat View Post
    5.8 is something like 10x bigger than 4.7.
    does distance from epicenter account for anything? Like a 5.8 felt 150 miles away, versus a 4.7 felt close by?

  14. #3814
    Join Date
    Jun 2007
    Location
    Cruzing
    Posts
    11,152
    Yup. A seismologist could provide more details, but the further away, the less you feel. How far and how much depends on a lot of things like how deep was the epicenter and what topography and landmass and water are between you and it along the surface. For instance, seismic waves roll through sand with little resistance but get absorbs by stiff materials like granite.

  15. #3815
    Join Date
    May 2011
    Location
    Truckee & Sonoma
    Posts
    12,916
    Still some fun laps at Squaw and the Shirley wiggle is still in prime condition, but got surprisingly crowded by 10:30 or so (alpine on wind hold so...).
    I ski 135 degree chutes switch to the road.

  16. #3816
    Join Date
    Feb 2010
    Posts
    258
    Interesting article on Tahoe Area Faults

  17. #3817
    Join Date
    Jul 2005
    Location
    Verdi NV
    Posts
    9,067
    Quote Originally Posted by skier666 View Post
    In case you were wondering what 666'er was up to, he skied cold pow in AK 6 days ago...lucky guy eh?

    I'm in 'birthday/mothers day/little league/soccer hell' the next two weeks so doubt I can make it out for last closing day ever at SQUAW VALLEY USA

    And with these temps, just praying Mammy stays open for Memorial Day weekend.
    Always nice to hear that someone went to AK and got to fly. Well done
    Own your fail. ~Jer~

  18. #3818
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    Quote Originally Posted by fomofo View Post
    Interesting article on Tahoe Area Faults
    We've had earthquake insurance for years. It's pretty cheap for this area.

  19. #3819
    Join Date
    Aug 2006
    Posts
    6,451
    Quote Originally Posted by old goat View Post
    We've had earthquake insurance for years. It's pretty cheap for this area.
    Cheap for now....

    Plenty of older homes in the area that do not meet current snow load code. Largish snow load on roofs in the midst of a winter storm plus moderate EQ (relative to the seismic hazard) plus a busy holiday winter weekend will equal a catastrophic disaster.

    BTW, Richter scale only provided so much info about severity of shaking experienced. Depth of epicenter and geology around an epicenter are very important factors related to the experienced surface ground shaking.

  20. #3820
    Join Date
    May 2011
    Location
    Truckee & Sonoma
    Posts
    12,916

    THE OFFICIAL 20/21 TAHOE SKI & SNOWBOARD THREAD. PANDEMIC SCHMANDEMIC!

    ^^ Yep. The Napa earthquake from several years back actually was closer to Sonoma but we sit on solid bed rock while Napa has a very soft sandy soil beneath it due to the river and delta. Almost no damage in Sonoma but quite a bit in Napa.

    Just read that some quakes can make Tahoe several feet deeper. Interesting.
    I ski 135 degree chutes switch to the road.

  21. #3821
    Join Date
    Jan 2008
    Location
    truckee
    Posts
    17,533
    Quote Originally Posted by bodywhomper View Post
    Cheap for now....

    Plenty of older homes in the area that do not meet current snow load code. Largish snow load on roofs in the midst of a winter storm plus moderate EQ (relative to the seismic hazard) plus a busy holiday winter weekend will equal a catastrophic disaster.

    BTW, Richter scale only provided so much info about severity of shaking experienced. Depth of epicenter and geology around an epicenter are very important factors related to the experienced surface ground shaking.
    More than snow loads--after all, older houses have survived many monster snow years--a lot of houses, including ours, lack adequate shear wall and will collapse in a moderate earthquake if there's a lot of snow on the roof. Or is that what you mean?

  22. #3822
    Join Date
    Aug 2006
    Posts
    6,451
    Quote Originally Posted by old goat View Post
    More than snow loads--after all, older houses have survived many monster snow years--a lot of houses, including ours, lack adequate shear wall and will collapse in a moderate earthquake if there's a lot of snow on the roof. Or is that what you mean?
    Yes. The combo is the bad scenario.

  23. #3823
    Join Date
    Apr 2007
    Location
    Tahoe
    Posts
    14,137
    Meanwhile, Kirkwood could still be offering up excellent top to bottom skiing
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  24. #3824
    Join Date
    May 2011
    Location
    Truckee & Sonoma
    Posts
    12,916

    THE OFFICIAL 20/21 TAHOE SKI & SNOWBOARD THREAD. PANDEMIC SCHMANDEMIC!

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    Closing day at Alpine was fun for a few hours. And also props to our own gone2alpine for skiing every single day of the season (167) they were open. Thatís nutty. Just added up my days and Iím at 69 (personal record) so Iím happy he didnít beat me by more than 100. I did miss 5-6 weeks with the knee however.
    I ski 135 degree chutes switch to the road.

  25. #3825
    Join Date
    Jan 2004
    Location
    the Low Sierra
    Posts
    14,528
    pussy




    I didn't believe in reincarnation when I was your age either.

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