Solid engineering solutions making seismic compliance straightforward and affordable.

Welcome to Petra Seismic Design, LLC.

Petra Seismic Design provides cost effective seismic restraint design services for the commercial, institutional, and industrial facilities. Our services include risk analysis, field inspections, and training. We work with industry and organizations to address real construction issues in order to improve the effectiveness of seismic design applications and contribute to the technological advancement of the seismic industry. It is our desire to be a customer's single source for seismic information and seismic design.

Our staff has extensive experience in all areas of construction from schools and hospitals to nuclear facilities. With over 28 years of experience in seismic restraint design, risk assessment, field inspection, research oversight, and evaluating shake table testing of equipment; we offer clients confidence in our ability to address every issue.

Browse our website to see the services, resources and information we offer.

The 5 Most Recent M4.5+ Earthquakes
Real-time, worldwide data provided by
M 5.2 - 31km WSW of Raoul Island, New Zealand
Updated: 8/23/2019 at 00:23:26.040 UTC
-29.4107 -178.1781
M 5.6 - 154km NNW of Sola, Vanuatu
Updated: 8/23/2019 at 00:55:33.926 UTC
-12.5796 167.0469
M 4.7 - 74km ESE of Sigave, Wallis and Futuna
Updated: 8/23/2019 at 03:08:25.040 UTC
-14.4803 -177.5025
M 4.9 - 81km WSW of Corinto, Nicaragua
Updated: 8/22/2019 at 21:36:41.040 UTC
12.0944 -87.812
M 5.0 - 18km E of Little Lake, CA
Updated: 8/23/2019 at 03:09:42.349 UTC
35.9073333 -117.709