Earthquake, Seismic Services & Emergency Supplies

Cal-quake Seismic Construction

Phone: (310) 621-7390
Contact: George Boujie

Greg Sylvis General Contractor

Phone: (626) 449-2006
Fax Number: (626) 449-0897
Contact: Greg Sylvia

Earthquake Safety, Seismic Retrofit -- Foundation Bolting and Chimney Repair

Kinemetrics Inc.

Phone: (626) 795-2220
Fax Number: (626) 795-0868
Contact: Veronica Paredes

Kinemetrics is the only company that not only designs and manufactures seismic instrumentation, but also supports and runs several substantial size seismic networks in several countries. Among the largest are the Italian Civil Defense Network (Dipartimento Protezione Civile, DPC) of ~500 stations with 99.2% uptime, as well as the NSF funded USArray TA, part of the EarthScope project ( In the case of the USArray, Kinemetrics provides support around the clock for ~500 seismic stations generating more than 2,800 data streams and the USArray Network Facility ( acquiring almost 23,000 SOH channels and achieving a stunning 99.5% data availability based on more than 5 years of operation! Moreover, another 100 stations of the Plate Boundary Observatory (PBO; project implemented the ASPEN solution as well.

Seismic Safety

Phone: (626) 791-2300
Contact: Ed Sylvis

Residential earthquake retrofit and foundation repair experts. In the last 20 years our team of professionals have inspected more than 17,500 homes. Seismic Safety has been in business since 1954.