What Everyone Should Know About Earthquakes and Structures

Most people understand that earthquakes can produce catastrophic damage to the built environment. However, given that large earthquakes are relatively rare, and that the television news cameras typically move on a few days after any disaster, a lot of people‚Äôs understanding of the effects of earthquakes may be shaped more by bad disaster movies than …

The Perils of Seal Renting and Permission Slips

I was once contacted by a marketing official of renewable energy firm looking for help with a small solar array project. His company had a solar installation designed offshore but needed an engineer licensed in the proper jurisdiction to seal the drawings…that afternoon. I balked at the request. I could not possibly perform a sufficient …

Delaware Earthquake or Earthquakes Can Happen Anywhere

As reported by the United States Geological Survey and various news organizations, a magnitude 4.1 earthquake occurred outside Dover Delaware on November 30, subjecting much of the mid-Atlantic region to weak to light shaking. Assuming the magnitude is not revised down, it would be tied for the largest magnitude earthquake in Delaware history. No damage …