Ali Sahabi, GEC

Ali Sahabi

About Ali Sahabi

Ali Sahabi has been a licensed General Engineering Contractor (GEC) since 1993, and is a principal at Optimum Seismic, Inc. He has completed hundreds of seismic retrofitting and adaptive reuse projects for multifamily residential, commercial, and industrial buildings throughout California.
14 January, 2019

Northridge earthquake, 25 years later. Are we safer?

By |2019-01-14T18:25:14+00:00January 14th, 2019|Related News|

A quarter century has passed since the 1994 Northridge earthquake, that displaced thousands of people and cost over a billion dollars in damages. Are we safer? If another one were to strike, will we be better off, than last time? The answers vary. For more info, please read the original article by The Press Enterprise: [...]

11 January, 2019

1994 Northridge Earthquake Timeline

By |2019-01-11T21:37:04+00:00January 11th, 2019|Related News|

In just a few days, the 25th anniversary of the 1994 Northridge Earthquake will happen. This earthquake not only injured more than 9,000 people, and displaced 20,000. The timeline NBC provided shows the magnitude of the earthquake and the destruction it caused. For more info, please read the original article by LA Times: [...]

10 January, 2019

3.8 magnitude earthquake hits Canada area northwest of Hampton

By |2019-01-10T18:22:40+00:00January 10th, 2019|Related News|

An earthquake in Canada has just been confirmed. It was of a 3.8-magnitude around northwest of Hampton in southern New Brunswick. It hit at 9:49 a.m. AST. The earthquake was an “intraplate earthquake,” which means, it happened inside the tectonic plate. For more info, please read the original article by CBC: [...]

10 January, 2019

If you don’t know the condition of your apartment or house, you won’t know the risks when the big one hits

By |2019-01-10T20:29:30+00:00January 10th, 2019|Related News|

This is a guide for most people in California who rent. It discusses advice on what you should do or ask your landlord to make sure your building is safe. A building that is retrofitted has a greater chance of having a minimal impact to no impact when the big one strikes. Unlike buildings that [...]

8 January, 2019

The double-deck Alaskan Way Viaduct spells disaster in an event of an earthquake

By |2019-01-08T19:03:00+00:00January 8th, 2019|Related News|

The double-deck Alaskan Way Viaduct will cause a disaster in an event of an earthquake in Seattle. The viaduct goes over the Great Northern railroad tunnel that was built in 1905 and it suffered no damaged at all during the 2001, 6.8 Nisqually Earthquake. Tunnels are safer during an earthquake. The Washington State Department of [...]

8 January, 2019

Japan hit with a 6.3 earthquake

By |2019-01-08T18:59:57+00:00January 8th, 2019|Related News|

Japan was hit with an earthquake of 6.3 magnitude at 12:39pm GMT. It happened on the island of Tangegashima in Kagoshima Prefecture. There are no immediate reports of casualties or injuries, no tsunami warnings in place. Japan accounts for roughly 20 percent of the world’s earthquakes of magnitude 6 or greater. For more info, please [...]

8 January, 2019

Long Beach: Home to Southern California’s Deadliest Quake

By |2019-01-08T00:50:22+00:00January 8th, 2019|earthquake preparedness, Earthquake Protection, Earthquake Retrofits, Earthquakes|

The front wall of John Muir School on Pacific Avenue, Long Beach, following the 1933 quake. (Credit: USGS) California’s devastating wildfires and the recent quake in Alaska may distract us from our own vulnerability to natural disaster.But did you know that Southern California’s deadliest earthquake occurred right here in the Apartment Association of California [...]

8 January, 2019

Seismic Hazard Map Identifies Building Risks

By |2019-01-08T00:32:35+00:00January 8th, 2019|Earthquake Retrofits, Seismic Resilience, Seismic Retrofit|

Green areas on this hazards map indicate liquefaction zones that are particularly vulnerable to earthquake damage. (Credit USGS) Is your apartment building located within a fault, landslide or liquefaction zone? The United States Geological Survey has published an interactive map online, enabling the public to search by property address to determine the [...]

8 January, 2019

What Can San Diego Learn from the Anchorage Earthquake?

By |2019-01-08T00:15:21+00:00January 8th, 2019|earthquake preparedness, Earthquake Protection, Earthquake Retrofits|

Minimal damage in the Anchorage earthquake is attributed to action taken to upgrade building codes after the Great Alaska Earthquake of 1964. (Credit: USGS) “Here’s who to thank that we all survived the quake on Friday,” a headline in the Anchorage Daily News recently read. Striking images from the Nov. 30 earthquake [...]

7 January, 2019

More Cities Adopting Seismic Retrofit Ordinances

By |2019-01-07T19:54:44+00:00January 7th, 2019|Seismic Waves|

January 2019 Newsletter. The New Year is a time for self-reflection: What is it that we failed to accomplish in the previous year, and what can we do in the next 12 months to be better, fitter, more productive versions of ourselves? Several California cities are practicing [...]