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 4.9 - 84km W of Mendi, Papua New Guinea
Updated: 3/22/2018 at 23:45:10.040 UTC
-6.2799 142.8908
M 4.8 - 41km ESE of Ofunato, Japan
Updated: 3/23/2018 at 02:42:00.042 UTC
38.8696 142.1203
M 4.6 - 17km W of Humboldt Hill, CA
Updated: 3/23/2018 at 02:50:32.498 UTC
40.7513333 -124.3891667
M 5.1 - 12km SW of Port-Olry, Vanuatu
Updated: 3/22/2018 at 18:32:28.040 UTC
-15.1196 166.9613
M 4.9 - 181km W of Carahue, Chile
Updated: 3/22/2018 at 16:15:43.040 UTC
-38.7449 -75.2507