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 - 174km E of Kuril'sk, Russia
Updated: 3/18/2018 at 18:20:14.040 UTC
45.3719 150.0962
M 5.1 - South of Tonga
Updated: 3/18/2018 at 13:42:00.040 UTC
-24.6033 -175.9933
M 5.3 - 12km WSW of Lemito, Indonesia
Updated: 3/18/2018 at 11:53:08.040 UTC
0.5003 121.4679
M 4.5 - 24km SE of Matias Romero, Mexico
Updated: 3/18/2018 at 12:32:59.040 UTC
16.7424 -94.8517
M 4.8 - 280km WSW of Merizo Village, Guam
Updated: 3/18/2018 at 06:42:12.040 UTC
11.9528 142.4575