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 earthquake.usgs.gov
M 4.5 - 120km WNW of Sabang, Indonesia
Updated: 6/25/2017 at 16:22:30.040 UTC
6.2685 94.2948
M 4.6 - 17km NE of Calama, Chile
Updated: 6/25/2017 at 14:48:55.406 UTC
-22.367 -68.804
M 5.0 - Southeast of Easter Island
Updated: 6/25/2017 at 10:04:29.040 UTC
-41.3049 -90.6283
M 4.7 - 66km SSE of Amukta Island, Alaska
Updated: 6/25/2017 at 09:17:32.040 UTC
51.9763 -170.7531
M 4.5 - 94km S of Sarangani, Philippines
Updated: 6/25/2017 at 07:58:35.040 UTC
4.56 125.5907