Evaluating The Reliability Of Phones As Seismic

102 shake table tests referred to as st1 subsequently the phone sensors were mounted on the 103 large multidirectional shake table at the uc berkeley richmond field station during three 104 weeks of testing the second series of shake table tests st2 through these experiments.

Facilities University Of California Berkeley

2 small shaking tables up to 3 x 4 in dimension dynamic actuators peer is an organized research unit of the uc berkeley college of engineering a wide range of multidisciplinary earthquake engineering research is carried out by the 9 core universities participating in peer.

Jack Reilly University Of California Berkeley

A series of 1d and 3d shaking table tests were performed at ucsan diego and uc berkeley respectively to evaluate the performance of a class of cell phones inthese tests seven iphones and ipod touch devices that were mounted at different orientations weresubjected to 124 earthquake ground motions to characterize their response and.

Earthquake Early Warning At The Berkeley Seismo Lab

The above is a video capture of the warning received at the uc berkeley seismological laboratory it shows the 5 second countdown to the beginning of shaking in berkeley and the expected shaking intensity in berkeley which was 4 shown iv on the intensity scale and described as light shaking.

12132001 Shake Table Experimentation Berkeleyedu

Berkeley in a testament to the value of highquality construction a fullscale threestory woodframe apartment building sustained only minor to moderate damage after university of california berkeley engineers put it through a series of powerful shake tests in the earthquake simulation conducted dec 21 at uc berkeleys richmond field.

Peer is organizing a blind prediction contest for a bridge bent that consists of two selfcentering resilient columns tested on the peer uc berkeley shaking table in october 2017 the specimen was subjected to increasing intensity shaking using several nearfault ground motion records until significant peak drifts are reached.

Mobile App Would Bring Earthquake Early Warning To All

Drop cover and hold on strong shaking expected i grab my phone and run to my daughters room the myeew app an earthquake earlywarning app released by our research team at the berkeley seismological laboratory is glowing bright orange shaking intensity 8 she writes we have 10 seconds until the shaking begins.

Earthquake Early Warning At The Berkeley Seismo Lab

Earthquake early warning is the rapid detection of earthquakes realtime assessment of the shaking hazard and notification of people in the area of shaking warnings can arrive before during or after the shaking depending on your location and how big the earthquake is the further you are away from the epicenter the more warning time.