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 5.0 - 71km SW of Yonakuni, Japan
Updated: 11/19/2018 at 06:46:27.798 UTC
23.9951 122.5245
M 4.9 - 77km WNW of Pakokku, Burma
Updated: 11/19/2018 at 04:38:23.040 UTC
21.5107 94.3816
M 5.1 - 105km E of Port-Olry, Vanuatu
Updated: 11/19/2018 at 04:22:51.040 UTC
-14.924 168.0199
M 4.5 - 28km SE of Pamandzi, Mayotte
Updated: 11/19/2018 at 04:14:18.040 UTC
-12.9498 45.4962
M 4.5 - 249km SE of Iwo Jima, Japan
Updated: 11/19/2018 at 03:45:32.040 UTC
23.4628 143.3163