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Two earthquakes struck the South Bay Thursday morning (Jan. 7), the U.S. Geological Survey is reporting. Centered east-northeast of Milpitas, the first had a preliminary magnitude reading of 4.1 and struck at 10:09, the second — a 1.6 — followed at 10:22 a.m. The temblors were felt in Palo Alto as well.
Both followed another, 2.8 magnitude quake that occurred Wednesday night in the same area, near the intersection of the Calaveras and Hayward faultlines, David Oppenheimer of the Geological Survey told KCBS radio.
He cautioned residents not to fear that the quakes are foreshocks of a larger temblor.
“Not every magnitude 4 earthquake is followed by a magnitude 8 earthquake,” Oppenheimer said.
Thursday’s first earthquake had a depth of 5.6 miles. It was centered about 6 miles east-northeast of Milpitas and 11 miles north-northeast of San Jose City Hall.
The second had a depth of 0.2 miles and was centered in the same location as the first.
The Geological Survey maintains a map of recent quakes on its website.
I did not feel anything in Midtown.
Note that the epicenter was 6 miles east of Milpitas, which is a good distance from Palo Alto for only a 4.1 earthquake.
Felt it inside my eichler and the doors and windows rattled.
I didn’t feel anything either. I did think that I heard a rattle at my door (which caused me to check)…but I didn’t feel any shaking and nothing fell from the shelves.
Here is a link to our brief story:
http://www.paloaltoonline.com/news/show_story.php?id=15176
I heard a rumbling sound outside, then felt a quick jerk sideways.
Felt it here, near El Camino and Arastradero. Computer Monitor shook a little. Felt like a big truck going by. Lasted 2 – 3 seconds.
Definitely felt it at work in Mountain View, and my son at home in Midtown felt it too. Pretty sharp shake.
I heard tinkling of glasses and some sounds from the basement (heater- yikes, better check), but no movement.
This is a good reminder of our vulnerability. We live 2 blocks south or Oregon and felt the quake quite sharply. It is a good reminder to
1) make sure you have earthquake supplies for yourself and your family. Water (1 gallon/day/person) for 3-5 is essential
Please note that Quakecare still has its holiday sale for emergency prep items. See http://www.quakekare.com
2) make sure you have discussed an emergency plan with your family
3) back up your computer system
4) take a class such as the Palo Alto Neighborhoods (PAN) Emergency Preparedness training, PANDA (Palo Alto Disaster Activity), HAM radio, CPR or First Aid etc.
I felt it here, off Louis Rd. and Oregon Expressway.
The Tech Museum’s earthquake simulator is really good for those who want to feel an earthquake. But if we ever get one of its magnitude, we’re in trouble.
Annette, Way to go! Thanks for the wonderful advice above. Definitely need to get prepared as we all know, we are way overdue for a large earthquake, and I myself have clearly become to complacent and comfortable. I’ve lived here all of my 39 years of life. As a native, I should know better! Quakecare, here I come! THanks again for the link and sound advice. You’re awesome! I can tell.
Many felt it here in Mt. View at work. El Camino/Showers area.
Felt it on San Antonio Rd. and 101. Sharp one second jolt and over. exciting!!
Is it just me, or did we used to have a lot more earthquakes around here? Before the 1989 earthquake, I remember feeling earthquakes several times a year (usually 5.0 or bigger). I can only remember a few since 1989 (like once every 5 years). I’ve lived in the same house in Midtown for all of that time period.
in Fremont at 880 south and Cushing blvd, distinct muffled boom sound with moderate jolt followed in 1 second by single sharp shake, heard building walls creak, and lighting fixtures rattle, but nothing fell down.
I felt it here at Stanford and put it at a 4.0. It’s always odd during quakes, trying to quickly judge whether to take cover, go outside, et cetera.
Bill, I haven’t felt many lately either, now that you mention it.
Work downtown and my desk and computer monitor shook.
Many co-workers felt it too. Just a reminder of where we live and of 1989.
I felt a large boom, wondered if it was a car wreck outside my house or an explosion at Stanford. Not sure if any of the cracks in walls or cement outside house got any bigger.
Felt it yesterday here on campus. And felt another smaller one just now. Better than hurricanes or tornadoes I guess. I am always thinking it’s going to be the next big one.
At work in Mountain View, felt a single jolt at 11:50. Checked the USGS website and it claims a 3.7 earthquake in the same spot as yesterdays 4.7 quake.
I was in Los Altos on El Camino in a business office — felt things kind of roll and rumble. It felt kind of like muscle tremors to start to be honest, then with the rolling was clearly a quake (not me). It was so short, I waited for a minute wondering if there was more to come.
It seems in a time like this, we all could have used some survival kits. I really would have liked some for my family so that I could ensure that we would be safe. I linked to ones i like: http://3rdrocksurvival
I agree with Janie that a survival kit could be really beneficial. Her site that she put up, http://3rdrocksurvival seems like a good place if you don’t have time to make your own kits.