Seismic Codes

Millennium Tower

San Francisco Considers More Aggressive Measures to Earthquake-Proof High Rises

The city has proposed tighter rules for new construction and a more active approach to securing existing tall structures from collapse.

October 14, 2018 - Governing

Earthquake damage

When the Earth Turns to Liquid

A 7.5 magnitude earthquake struck the Indonesian island of Sulawesi on Sept. 25, followed by a massive tsunami. Soil liquefaction caused by the tremor resulted in 1,700 homes being "swallowed" as the soil shifted. Deaths exceeded 1,400 on Oct. 3.

October 5, 2018 - The Independent

Nimitz Freeway

Bay Area Not Prepared for Next Big One

As the death toll from Mexico's 7.1 magnitude earthquake on Sept. 19 climbs above 300, the San Francisco Chronicle investigates how well prepared the Bay Area is for an earthquake of comparable magnitude. Not very well.

September 25, 2017 - San Francisco Chronicle

Mexico City Earthquake Should Raise Questions About Building Safety

The epicenter of Tuesday's quake was in the state of Puebla, 80 miles southeast of Mexico City. Soft soil and unreinforced buildings magnified the damage. The quake comes two weeks after an 8.1 quake struck off the coast of the state of Oaxaca.

September 20, 2017 - The Washington Post

Midwest Earthquakes Are Redrawing the Risk Map

Setting aside the debate about fracking's responsibility for swarms of earthquakes in states like Kansas, Texas, and Oklahoma, seismic experts are recognizing a need to rethink building safety.

February 9, 2015 - Center for Investigative Reporting

When it Comes to Seismic Safety, It's Each City for Itself

Buildings constructed of unreinforced masonry get much if not most of the media's attention on seismic safety, but so-called 'soft story' wood buildings, often with garages on the ground floor, compose the greatest numbers of vulnerable buildings.

August 28, 2014 - San Francisco Chronicle

Napa Earthquake Shows Urgency of Building Retrofits

Sunday's powerful Bay Area earthquake brought attention to the urgent need to retrofit existing buildings in California. One expert stated the damage in Napa "was predictable." Do you know the three types of construction that need to be reinforced?

August 27, 2014 - The Wall Street Journal

Garcetti Proposes "Chief Resilience Officer" to Tackle L.A.'s Earthquake Preparedness

Recent controversies have called into question whether Los Angeles officials have done all they can to prepare the city for its next big earthquake. Mayor Eric Garcetti is making earthquake preparedness a top priority.

October 20, 2013 - Los Angeles Times

Why Have L.A. Officials Ignored the Dangers of Concrete Buildings for 40 Years?

Across Los Angeles, more than a thousand concrete buildings built before the mid-1970s are at risk of collapse during an earthquake. With the area overdue for a substantial shaker, time is running out to identify at-risk structures and save lives.

October 14, 2013 - Los Angeles Times

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