Fault lines

By ICLR | Earthquake-related news from the Institute for Catastrophic Loss Reduction (ICLR).

Earthquake physics on multiple scales

Scientists are working hard to determine the how, why and when of earthquakes, but getting answers is a complex team effort, says a Victoria …

Earthquakes

Earthquake fault maps for Beverly Hills, Santa Monica and Westside to bring restrictions on development

Officials on Thursday released new draft maps showing the locations of earthquake faults in Santa Monica, Beverly Hills and the Westside, raising the prospect of development restrictions in areas directly above the fissures.<p>The quake faults run along some of Southern California’s most expensive …

Earthquakes

Eastern Canada could be out billions in the event of an earthquake, report finds

People living in Ontario, Quebec and Atlantic Canada are ill-prepared for an earthquake, unlike their counterparts in the West, despite a long history of seismic activity in those areas, according to a report from Swiss Re, a reinsurance company.<p>Swiss Re predicts $10.6-billion in private …

Canada

A M=7 aftershock is 300 times more likely in the week after a M=7 mainshock in new study

By David Jacobson and Ross Stein, Temblor<p>Tomorrow, a new study on the California earthquake hazard model will be published, which shows, through …

Earthquakes

The Fragile Ground Beneath 66 Million Barrels of Oil

(Inside Science) -- Three miles below the town of Cushing, Oklahoma, tectonic forces squeeze the rock with a pressure of more than 7,000 pounds per …

Earthquakes

Snow and rain tug on earthquake faults in California

Winter weather brings seismic tremors. A new study reveals how water buildup and runoff throughout the year can increase stress along faults in …

Earthquakes

Weekend earthquakes along the San Andreas Fault mark tips of great historic quakes

By David Jacobson, Temblor<p>Over the weekend, there were earthquakes on either end of the San Andreas Fault system, highlighting the tips of two great …

The World's Most Powerful Earthquake Ended With An Eruption And A Human Sacrifice

It’s not surprising that the most powerful natural disasters in the world have often been signs of impending doom; indications that the gods up above, or the demons down below, are unhappy. As a result, offerings have often been made to the fires of a volcano, the depths of the sea, and the chasms …

20th Century

This earthquake fault in northeast L.A. and Pasadena isn't well known, but experts say it poses dangers

California officials have mapped a new stretch of an earthquake fault through northeast Los Angeles — a fault that could cause major damage in the heart of the metro area.<p>The Raymond fault has long been known as a potentially dangerous fault for Los Angeles and the San Gabriel Valley, and caused …

Earthquakes

More than 2,100 buildings are already being retrofitted under L.A.'s earthquake safety law

Eighteen months after Los Angeles passed the nation’s most sweeping seismic retrofit law, more than 15% of the city’s earthquake-vulnerable wood apartment buildings have begun the process of retrofits.<p>More than 2,100 buildings have either been retrofitted or are in the process of being strengthened …

Earthquakes

Novel Seismic Software Sheds Light on Earthquake Paths

ArticleResearchers achieve record performance in new seismic simulations.Contributed Author: Alexander Breuer, Ph.D., University of California, San …

Research

Deep in a South African gold mine, scientists drill for the heart of an earthquake

Shaft gives a 3-kilometer head start to drillers seeking the aftermath of a "fresh" rupture

Earthquakes

Researchers drill deep to understand why the Sumatra earthquake was so severe

An international team of scientists has found evidence suggesting the dehydration of minerals deep below the ocean floor influenced the severity of …

Nowcasting may help forecast big earthquakes in 53 major cities

The ground can start shaking under your feet with almost no warning. Earthquakes have proven nearly impossible to forecast so far, but a technique …

Californians need to be so afraid of a huge earthquake that they take action, scientists say

Fear of earthquakes is part of life in California.<p>But people experience this anxiety in different ways. For some, the fear prompts them to take steps to protect themselves: strapping down heavy furniture, securing kitchen cabinets and retrofitting homes and apartments.<p>For others, the fear prompts …

Earthquakes

After years of planning, California is likely to roll out its earthquake warning system next year

California will likely roll out a limited public earthquake early warning system sometime next year, researchers building the network say.<p>New earthquake sensing stations are being installed in the ground, software is being improved, and operators are being hired to make sure the system is properly …

Earthquakes

A M~8.3 Chile earthquake has become more likely

<i>By David Jacobson and Ross Stein, Temblor</i><p>Since 22 April 2017, an earthquake swarm has been in progress offshore the port city of Valparaíso, which …

New model could help predict major earthquakes

A Nagoya University-led team reveals the mechanisms behind different earthquakes at a plate boundary on the west coast of South America, shedding …

Nepal's earthquake disaster: Two years and $4.1bn later

Despite the billions pledged, the majority of Nepalis affected by the earthquake still don't have proper housing.<p>On April 25, 2015, a powerful earthquake killed nearly 9,000 people and destroyed more than 824,000 homes in Nepal. Shortly after, the country's Reconstruction Authority published a …

Ripple effects of New Zealand earthquake continue to this day

November tremor sparked slow, deep movements in Earth’s crust that increase the chances of a similar severe quake within a year.<p>The consequences of a …

A major earthquake could hit Ottawa. Are we prepared?

Share<p>A major earthquake could hit Ottawa. Are we prepared?<p>Tumblr<br>• Pinterest<br>• Google Plus<br>• Reddit<br>• LinkedIn<br>• Email<p>Share<p>A major earthquake could hit Ottawa. Are …

Do you have an earthquake relocation plan? You should

How bad could it get when a major quake strikes Seattle? Let’s just say you had better plan on moving out of the area for some time.

Earthquakes

UVic geologist discovers an active fault under Greater Victoria | CHEK

<i>WATCH: Research led by a UVic geologist has found an active fault under Vancouver Island’s most populated area. Isabelle Raghem reports</i><p>A study …

How a massive New Zealand earthquake broke the rules

Earthquakes can hop from one fault to another as long as the faults are less than three miles apart, say scientists. So how did a NZ quake 'jump' …

Notorious L.A. earthquake fault more dangerous than experts believed, new research shows

The Newport-Inglewood fault has long been considered one of Southern California’s top seismic danger zones because it runs under some of the region’s most densely populated areas, from the Westside of Los Angeles to the Orange County coast.<p>But new research shows that the fault may be even more …

Earthquakes

Overlooked Data Source Improves Quake Intensity Maps

For the popular, crowdsourced earthquake monitoring website Did You Feel It?, even not contacting the website can count as valuable data, a new study …

The Lifesaving Potential of Underwater Earthquake Monitors

Sending sensors deep into the ocean could allow for earlier and more accurate tsunami warnings.<p>The seconds between the warning of an impending earthquake and the moment the quake hits can be the difference between life or death. In that time, automatic brakes can halt trains; people can duck for …

Study reveals two seismic processes by which hydraulic fracturing induces tremors

In some parts of western Canada, small-to-moderate earthquakes have been induced by oil and gas hydraulic fracturing operations. In Alberta, this …

Fracking

Kaikoura Earthquake: The most complex ever?

Four months on, scientists still sifting through the aftermath of the Kaikoura Earthquake say the 7.8 event could be the most complex ever …

Earthquakes