Earlier this week in California we had the Parkfield 2004 earthquake, a 6.0 roller with an epicenter near Paso Robles in central California. Not much damage, fortunately. Paso Robles residents were grateful for that, especially considering that their downtown had been hit in 2003 with another more disruptive quake that leveled several older, unreinforced buildings. You can find out more on this week's quake at
http://www.sciencedaily.com/releases/2004/10/041001090002.htm if you're interested.
I was on the 14th floor in an office tower in San Jose, chatting with a co-worker of mine, when the Parkfield quake hit. The building was built in the 1980s and designed to roll with the earth's movement. It swayed for a good thirty seconds, making the vertical blinds on the windows slap against each other. No one was hurt and there was no damage, but the movement was strong enough that it spooked everyone in the office. Here in the Bay Area, people remember the Loma Prieta 1989 quake, a shaker that emptied the kitchen cabinets and dumped everything on the floor in our place, and caused my in-laws' chimney to collapse. That one really felt to me like God had picked up the building and started shaking it, but structural damage to the building was nil. Others in places like the Marina in San Francisco (built on fill), Los Gatos (near a subfault and not far from the epicenter) or Santa Cruz (also close to Loma Prieta) were less fortunate we were.
After the Parkfield quake, I called my wife, who was outside when it hit. She didn't feel a thing. We're 160 miles from the Parkfield area. Being high up in a building designed to move really exaggerates the quakes.
Our firm will be moving out of this building we're in at the end of the year, and we're all grateful for it. Even though it seems earthquake-friendly, it has other problems. A month before the quake, someone's window on our floor began to splinter without apparent cause on a Saturday when he was working long hours; he moved away from it, and then it broke entirely. Pieces of the glass fell out, and could have hit people on the sidewalks below if anyone had been down there. We've been told that this isn't the first window in this building this has happened to.
Do you remember the John Hancock building in Boston back in the 1970s? The wind whipped around that new building and sucked window glass out of it on a regular basis. The owners had to install awnings around the entire perimeter of the ground floor to protect pedestrians from falling glass.
Our building's owners, by contrast, don't seem terribly concerned about the windows or public safety in general. There's still a piece of plywood where a new window should have been installed. The elevator safety inspection certificates are long expired, and the landings by the elevators have signs that instruct people to use the stairs in case of fire, but these areas are closed off from the stairwells unless you're lucky enough to have a key card. If there were a fire and someone got stuck on the landing without a key, they'd have nowhere to go--the elevators are brought automatically to the ground floor in such a case.
Ironically, the building (from the sides that don't have plywood on them, anyway) looks very impressive on the outside; like many of the oversized, contemporary office towers around it, it was built during one of the Silicon Valley booms. It's half empty like the rest; there may still be 60 million square feet of vacant office space here in the Valley.
I've told people I have a nice view from my office on the 14th floor there, and some tell me they envy me for that. It's then that I feel the need to explain why they shouldn't be quite so envious. Not to mention that our firm's decreasing everyone's office space when we move, and that I'll be in a cubicle in a couple of months, in a building where the HVAC system recently caught fire and the occupants had to evacuate. But from the outside and even in the hallways, the building we'll be moving to is really very impressive looking.
Should I be grateful for what we have? We never have to worry about hurricanes--just the threat of the Towering Inferno, spontaneously shattering window glass, or another shaker like the 1989 one. Most of the time, I don't even think about it.