Fault lines

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

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 …

Geology

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 …

Earthquakes

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 …

Earthquakes

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 …

Biology

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 …

New Zealand News

Machine-Learning Algorithm Predicts Laboratory Earthquakes

The breakthrough has astonished geologists and raises the possibility that real earthquake prediction could be next.<p>Earthquakes take a dreadful human …

Machine Learning

New study says Alpine Fault quake interval shorter than thought: GNS Science

The Alpine Fault last ruptured three hundred years ago in 1717, shaking the South Island at an intensity of at least magnitude-8 and causing the …

Science

Bay Area long overdue for earthquake along Hayward fault, according to US Geological Survey

California remains one of the most earthquake-prone regions in the United States, according to a 2017 U.S. Geological Survey, or USGS, forecast that …

UC Berkeley

A section of the San Andreas fault close to L.A. could be overdue for a major earthquake

Southern California could be overdue for a major earthquake along the Grapevine north of Los Angeles, according to a sobering new study by the U.S. Geological Survey.<p>The research found earthquakes happen there on average every 100 years. The last major temblor occurred 160 years ago, a catastrophic …

Geology

Going deep to learn the secrets of Japan's earthquakes

When Martin Landrø, a geophysicist at the Norwegian University of Science and Technology (NTNU), read about the Japanese earthquake and learned that …

Science

'Slow slip' earthquake season raises risk of 'The Big One'

Phenomenon raises risk of 'Big One' roughly every 14 months<p>B.C. is headed back into another one of its riskier seismic seasons, raising the risk of …

The science of earthquakes explained

EARTH SCIENCE: Earthquakes can cause immense damage to buildings and infrastructure, trigger tsunamis, and reshape the Earth's surface with their …

Geology

Can Artificial Intelligence Predict Earthquakes?

Predicting earthquakes is the holy grail of seismology. After all, quakes are deadly precisely because they’re erratic—striking without warning, …

Machine Learning

In Santa Monica, a new frontier in earthquake safety could soon begin

Santa Monica is now poised to enter a new frontier in earthquake safety that could have implications for other cities looking at seismic retrofitting.<p>The City Council on Tuesday tentatively approved the nation’s most extensive seismic retrofitting effort, which could require safety improvements to …

Construction

Deja vu but different: how the fall of one New Zealand city helped save another

Infrastructure became a national talking point after a 6.3-magnitude earthquake devastated Christchurch in 2011, but were lessons learned? At three minutes past midnight on 14 November last year, Wellington found out<p>There was an uneasy sense of recognition as Mike Gillooly, Christchurch’s chief …

Earthquakes

Earthquakes converse by the transfer of stress: The strong evidence for short-distance, long-period interactions

During the 75 years before the great 1906 earthquake on the San Andreas fault, the San Francisco Bay area suffered at least 14 shocks of moment …

Earthquakes

Prediction of large earthquake probability improved

Researchers of the Mathematics Research Centre (CRM) and the UAB have developed a mathematical law to explain the size distribution of earthquakes, …

Quantum Mechanics

When the walls were shaking: earthquakes triggered by human activity, say scientists

AC/DC had it right: when the walls are shaking, and the earth is quaking, it's definitely caused by humans<p>This article was originally published on The Conversation.<p>People knew we could induce earthquakes before we knew what they were. As soon as people started to dig minerals out of the ground, …

Earthquakes

Initial earthquake behavior does not predict outcome

Can seismologists tell from the first few seconds of recorded seismic data how big an earthquake is going to be, or does it take longer and require …

23 Years Later, Costs For Another Devastating Northridge-Style Quake Skyrocket

<b>NORTHRIDGE (CBSLA.com)</b> — Twenty-three years after the Northridge quake, authorities say residential damage in the area could be as high as $79 …

Extreme Science: The San Andreas Fault

How California is predicting and preparing for the inevitable<p>OUR FAULT<p>OUR FAULT<p>Extreme Science San Andreas <i>by PopSci</i><p>There’s a crack in California. It stretches for 800 miles, from the Salton Sea in the south, to Cape Mendocino in the north. It runs through vineyards and subway stations, power lines …

Earthquakes

WATCH: Caltrans Explains Readying for the Next Big Earthquake in California

In this easy to understand News Flash, the agency focuses on some bridges in southern California, in particular.

California

Here are a few things you may not have known about earthquake insurance in California

This 1994 staff file photo shows a Los Angeles city limit sign on the 5 Freeway after the Northridge earthquake. Photo By Hans Gutknecht, Los Angeles …

Oklahoma sees drop in wastewater injection and earthquakes in 2016

<i>By David Jacobson, Temblor</i><p>According to year-end data from the Oklahoma Corporation Commission, there was a 23% drop from 2015 to 2016 in the amount …

Mapping Canada's biggest earthquakes

British Columbia is widely known to be Canada's seismic danger zone, but every so often the shifting Earth reminds us that the rest of the country …

Why have there been so many large earthquakes in Ecuador?

• Temblor<br>• 3 months ago<br>• Categories: Earthquake Insights, Earthquake Map<p><i>By Gabriel Lotto, Temblor</i><p><i>Earthquake Map</i><p>The April 16, 2016 Pedernales, Ecuador, …

Earthquakes

The science behind California's earthquake swarms

More than 250 earthquakes have struck the state's Southern border since New Year's Eve, and it's not the first time this has happened.<p>A "swarm" of …