Loc: Sunnyvale, CA mostly
Yeah, the land around our Murrieta (ghosttown - abandoned homes and strip malls ) sprawltopian home (it's nice, actually, now - wine country is safe for a while, and the routes to the vast Santa Rosa Plateau Ecological Preserve, 28000 acres, IIRC, are quickly accessible at any time of day) is bedrock, with that decomposed granite stuff capped off with a thin layer of parent material sand and clay and negligible organic material.<br><br>In Sunnyvale, however, we're on a section that's jello. We'll get a good Newtonian shake, every which way, upside down and sideways, all at once, and we'd get phasing harmonics-accumulations and no cancellations.<br><br>I've been in two 6.5s in Washington state. One in an old house of cards two story brick former high school. Many parked cars in the parking lot collided with each other. Amazingly, that building survived and was serviceable for years after that (until it was demolished for a new building). That valley was unbelievably fertile - I dug a burn hole for my parents one time - I quit at around four feet, and still hadn't gotten past topsoil!!!<br><br>Another remarkable house of cards building that had survived over a century of big shakes was an old brick warehouse that I'd renovated into studio-living space, at the south end of Seattle's Pioneer Square, directly across from the old Seahawks-Mariners stadium, the King Dome (since demolished for one of those state-of-art retractable roof stadiums for the Mariners, with the Seahawks getting their own somewhere else - it was quite a fiasco - I liked the old stadium, despite its ugliness, for its cleverness - the roof was folded reinforced concrete, and quite an engineering statement).<br><br>Oh yeah, that loft-studio building was also on a section of jello, too. When they started construction on the nearby new Mariner stadium (which actually located on the parking lot of the old stadium), they turned on the pile drivers one morning, running them nonstop 24/7, not shutting down til months later. It was just a bad, anomalous, freak section.<br><br>The walls of the warehouse were 2' thick brick (ballast unloaded for clipper ships' timber payload back to the East), the thickness of which is immaterial to a big shake (other than just even more brick raining down), however the interior posts were also 28" thick hand-planed timber, with no taper over 40' of length (10' in the basement, and 30' above), so, those were cut out of big honking trees.<br><br>Yeah, I can't believe that building survived a century of bad shakes. A friend did tell me, however, that after we'd moved to California, that it had become condemned after another fairly sizeable earthquake.<br><br>I remember laying at night, staring up the ceiling and massive beams over our bed, thinking of earthquakes everytime I'd feel the shake of a passing train on the tracks that were around a mile away. Jello. <br><br>Ed<br><br>[color:purple]Information isn't a connection - It doesn't stir people</font color=purple><br>
#374378 - 07/30/0806:11 PMRe: Just Got Shaken !!
We had one here in Massachusetts that I can recall. It was the first one I ever experienced. I was sitting on the sofa watching CNN when the chandelier started swinging back and forth and the whole house was swaying. I heard a rumbling, then I heard cracking sounds (some of the walls in the house cracked). Then they announced on CNN that New England just had an earthquake... <br><br>Later on we discovered that a corner of the stone foundation had collapsed. (The house was built in 1890.) Good thing they built it with oak beams... <br><br>
Loc: Beautiful Southern California
There's much to be said about older homes, more natural materials and solid foundations, they just last longer.<br>Our house is still young (built in 1953) compared to your house, but I feel a whole lot safer n my house compared to my nephews new home just built last year 3 stories high and a few miles away from the earthquakes epicenter. My brother-in-law say the house seems fine, but they still need to give it a complete "once-over" to be sure.<br><br>
#374380 - 07/31/0806:22 PMRe: Just Got Shaken !!
Well, I sold that place (for a very low price) shortly, after it was hit by lightening. After the foundation collapsed, because of the earthquake, the floors used to shake when you walked on them and all the walls were cracking. Then the lightening strike happened. I took that as a sign from God that it was time to be moving on. <br><br>Our present house was built in 1966, so it has a poured concrete basement, rather than a rubble dirt cellar. It's a little bit more solid. <br><br>Newer homes in earthquake-prone areas are built to better standards, so I hope your brother-in-law's house is OK. Not a bad idea, though, for them to have a structural engineer check it out. A decent structural evaluation will probably cost from $500 to $750, and is well worth it. <br><br><br><br><br>
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