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You are browsing the archive for earthquake Archives - Page 2 of 6 - AGU Blogosphere.

31 January 2017

Equipment Repairs in SW Bangladesh

After a night in Dhaka, our group temporarily split up. Chris and Dan headed to Khulna in the SW at 4 am to avoid the hartal (general strike) that was planned for 6am-2pm. Liz and I stayed in Dhaka for a day.

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27 January 2017

Sleuthing the site of a century-old earthquake

The second-largest earthquake on the planet in 1904 happened somewhere in Alaska. It could have been St. Michael, Rampart, Fairbanks, Coldfoot or a place called Sunrise on the Kenai Peninsula. People felt the magnitude 7.3 at each place.

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Cromwell Gorge: earthquake-induced groundwater changes in very deep-seated landslides

In new paper, O’Brien et al. (2016) report that regional earthquakes generate substantial changes in the groundwater level in landslides in Cromwell Gorge, New Zealand

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16 January 2017

Future shock – the failure to learn from the 2015 earthquake in Nepal

To mark National Earthquake Day, the Nepal Times has a series of articles entitled Future Shock that examines the failure to learn from the 2015 earthquake

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30 December 2016

Gas released from rocks can predict impending breakage

Small amounts of helium and argon gas released from rocks under stress could be used to predict rock breakage before it occurs, such as during an earthquake or in an underground mine, according to new research. This kind of early-warning signal could be useful for keeping people safe in situations where rock is under high stress, like mining or construction operations, according to the study’s authors.

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21 December 2016

New study differentiates between Utah’s natural and induced earthquakes

Mining activity caused nearly half of all earthquakes in Utah over the past three decades, according to a new study. By studying the epicenters of 6,846 earthquakes occurring in the state between 1982 and 2016, scientists at the University of Utah determined 3,957 of them occurred naturally and 2,889 were caused by coal mining.

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13 December 2016

Landslides caused by the 1929 M=7.8 Murchison earthquake in New Zealand

GNS Science have just released a report detailing an inventory of landslides triggered by the 1929 Murchison Earthquake in New Zealand

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2 December 2016

The North Canterbury Landslide Dams website

Canterbury Maps has created the North Canterbury Landslide Dams portal to provide information about valley blocking landslides after the Kaikoura Earthquake

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30 November 2016

Earthquake induced landslides in the Himalayan mountains – new evidence for earthquake potential in Bhutan

A recently-published paper suggests that the Himalayan country of Bhutan suffered a major (approx M=8.0) earthquake in 1714, emphasing the potential for a future event that would probably lead to extensive landsliding.

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28 November 2016

A revised landslide map for the M=7.8 Kaikoura earthquake

Valkaniotis Sotiris of the University of Thessaloniki has posted a revised map of landslides triggered by the M=7.8 Kaikoura earthquake in New Zealand

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22 November 2016

Here’s what earthquake early warning looks like

When a large earthquake struck the coast of Japan near Fukushima Tuesday morning, people all across the country were alerted nearly immediately–most in advance of significant shaking at their location–by the nation’s sophisticated early warning system. Early warning doesn’t predict the onset of an earthquake, but it does predict the shaking level and time of arrival at locations all around the epicenter once one has begun but before its seismic …

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20 November 2016

Geonet commentary on landslides triggered by the Kaikoura Earthquake

Geonet have now provided an initial commentary on the >80,000 landslides triggered by the Kaikoura Earthquake in New Zealand.

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18 November 2016

Complex, compound New Zealand earthquake – Part 2: Faulting by Day

Reeling from the massive M7.8 earthquake at midnight, its relentless aftershocks, and the continuing coastal threat of tsunami, New Zealanders awaited daylight on Monday to see the full extent of the destruction. The bizarre seismic records observed overnight had raised confusion and speculation about what faults were to blame for this earthquake. With an epicenter on land but also a several meter tsunami, it was clear that some complicated combination of on- …

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17 November 2016

Hapuku River: a major landslide dam after the earthquake in New Zealand

A very large valley blocking landslide has occurred on the Hapuku River in New Zealand following the Kaikoura earthquake, creating a 150 m high dam

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16 November 2016

Complex, compound New Zealand earthquake – Part 1: Seismology by Night

Just after midnight last Sunday, the whole country of New Zealand was rocked by a massive earthquake at the north end of the South Island. From the outset, this earthquake was more confounding than most, and as more reports and data amass, we’re gaining a picture of a complicated earthquake that stemmed from the failure of several large faults in succession. These successive failures may have resulted from structural linkages …

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15 November 2016

Kaikoura earthquake landslides: the picture slowly emerges

Over the last 24 hours further information has started to emerge about Kaikoura earthquake landslides on the coast and inland.

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14 November 2016

First news of landslides from the Kaikoura Earthquake sequence in New Zealand yesterday

Images are just starting to emerge of multiple large landslides triggered by the Kaikoura earthquake in New Zealand yesterday.

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4 November 2016

The Nera River landslide triggered by the Norcia earthquake

The Norcia earthquake last weekend triggered the Nera River landslide, a 600,000 cubic metre rock slope failure that blocked the river

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Landslides from the Norcia earthquake sequence in Italy

Salvatore Martino has kindly provided an update on landslides triggered by the M=6.5 Norcia earthquake in Italy this weekend

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25 October 2016

Stone walls, railway lines and carbon fibers record Turkey’s westward drift

A new study finds movement of North Anatolian fault may provide clues to future earthquakes.

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