Earthquakes
Researchers at Arizona State University have published a new study looking at the likelihood of a 7.5-magnitude (or stronger) quake occurring and rupturing the entire fault line.
It has long been thought that the central section of the fault line, which stretches 90 miles from San Juan Bautista southward to Parkfield, was creeping steadily in such a way that provided for the safe release of energy. That "creeping" movement, scientists believed, lessened the chances of a huge quake rupturing the entire fault line - but new research casts doubt over old assumptions.
An 80-year-old man and a young 9yo girl were killed in Japan, crushed by collapsing walls, public broadcaster NHK reported. Several others are reported in a state of "cardiopulmonary arrest," a condition usually used by Japanese authorities until a formal examination has been conducted to confirm death.
At least 217 people were injured, mainly across the northern Osaka and neighboring prefectures, the broadcaster reports, citing data from local police and fire departments
Some 170,000 households remain without power in Osaka, as well as neighboring Hyogo prefecture, according to local electricity operator Kansai.
According to the Geophysical Institute (I) of the National Polytechnic School, the Galapagos' La Cumbre volcano - located on Fernandina island - erupted Saturday.
The eruption took place between 11:00 a.m. and 11:15 a.m. (Galapagos time) and was preceded by a series of nine earthquakes ranging from 2.5-magnitude to 4.1-magnitude. La Cumbre volcano measures 1,476-meter high and occupies almost the entire island. The eruption occurred on the northeastern sector of the volcano.
Lava flows and a gas column spanning about two to three kilometers high have been a feature of the eruption. Reports are that a flow has already reached the sea.
"There are some species that could be affected, however, being a flow (of lava) that is in only one direction, on only one side of the island, the possible impacts that there would be would not have a significant impact on biodiversity," director of the Galapagos National Park (PNG), Jorge Carrion, assured.
The 2.6 magnitude was in Wilkes County less than a mile from the town of Hays, the U.S. Geological Survey said.
The earthquake was felt in Blowing Rock, about 40 miles away, officials said.
The quake, which hit around 8 p.m., had a depth of 4.3 kilometers.
A weather website based in the area reported on Facebook that they heard a "loud boom." Others commented on Facebook that they heard two "loud booms."
Geologists say the earthquake was recorded at 8:59 a.m. Saturday about 16 miles (26 kilometers) east of Cherokee, about 100 miles (160 kilometers) northwest of Oklahoma City. The earthquake was recorded at a depth of five miles (8 kilometers).
The BGS said the 3.9 magnitude quake was felt in the north east and north of Lincolnshire, Kingston-upon-Hull and East Riding of Yorkshire at 11.14pm on Saturday.
It was centred near Grimsby and had a depth of 11 miles.
One Twitter user in Hull said: "Our house moved and the furniture shifted", while another wrote: "(It would) only have lasted seconds but scary nonetheless".
Comment: Following a 4.6 magnitude earthquake in the UK in February this year, the strongest to have hit the UK in 10 years, a British Geological Survey tweet stated that, "Events of this magnitude only happen in the UK every 2-3 years."
Actually, there have been about 7 similar-strength quakes in the UK in the last 3 years alone...
22 May 2015 - A 4.2 magnitude earthquake 'causes homes to shake' in Kent, UK
25 May 2015 - Magnitude 3.0 earthquake recorded in North Wales
29 Jan 2015 - Britain's second earthquake in 48 hours strikes in East Midlands
7 Mar 2016 - Earthquake 'shook houses' in south-east England
3 Jan 2017 - 3.9 magnitude tremor strikes off UK coast - biggest quake for nearly a decade
4 July 2017 - Earthquake recorded off Shetland was largest in UK for nine years
5 Aug 2017 - Scottish Highlands are rocked by their biggest earthquake for 30 years
We are seeing a marked increase in seismic activity around the world lately, could it be related to scientists' predictions that major earthquakes for 2018 due to slowdown in Earth's rotation?
While most of the earthquakes have been relatively mild at magnitude 2 or 3, the largest earthquake was a massive 6.9 magnitude tremor on May 4, along with a 5.5 magnitude quake on June 4.
Brian Shiro, a supervisory geophysicist at the USGS Hawaiian Volcano Observatory, said the island was witnessing the highest rate of quakes ever measured at the summit.
Comment: The planet is witnessing a rapid upsurge in extreme weather according to a recent report. For more details on these events from around the world, see our Earth Changes Summaries.
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- Scientists predict upsurge in major earthquakes for 2018 due to slowdown in Earth's rotation
- Volcanoes are erupting all over the place right now. Scientists have figured out why: A minute slowdown in the planet's rotation
- The effect of volcanoes on climate and climate on volcanoes
- Ice age on the way: Gulf Stream is slowing down faster than ever, scientists say
- Solar-system-wide 'climate' change: More galactic cosmic rays are reaching Earth than normal
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Comment: The world is seeing a rapid upsurge in extreme weather according to a recent report. For more information on these events from around the world, check out our Earth Changes Summaries. The latest video: SOTT Earth Changes Summary - April 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs
Related articles include:
- Cosmic rays found to be a trigger for explosive volcanic eruptions
- Scientists predict upsurge in major earthquakes for 2018 due to slowdown in Earth's rotation
- Volcanoes are erupting all over the place right now. Scientists have figured out why: A minute slowdown in the planet's rotation
- Ice age on the way: Gulf Stream is slowing down faster than ever, scientists say
- As we approach solar minimum, cosmic ray flux continues upward trend
- Solar-system-wide 'climate' change: More galactic cosmic rays are reaching Earth than normal

Part of the seismic array that researchers installed in East Antarctica to detect new earthquakes.
Since the first earthquake was detected in 1982, there have been just eight more seismic events recorded in East Antarctica. But after a team that included Amanda Lough, Ph.D. - then a student but now an assistant professor in Drexel University's College of Arts and Sciences-set up the first winter-through-summer seismic array, 27 earthquakes were recorded in 2009 alone, tripling the total number of events recorded on East Antarctica's section of the Earth's crust.
So instead of being exceptionally stable, it appears East Antarctica just wasn't being watched closely enough.
Comment: Whether activity in Antarctica is increasing remains to be seen, but with the uptick in activity around the world, they got there just in time:
- Indonesia's Mount Merapi explodes in biggest eruption this year, red alert issued with flight warnings
- Guatemala's Fuego volcano erupts, killing 25 and injuring hundreds
- Hawaii shook by very shallow 5.5 magnitude earthquake as Kilauea volcano eruption continues
- Geologists discover London sitting on two serious fault lines, capital at risk of dangerous earthquake
- Engine of climate change: Thousands, and possibly millions, of underwater volcanoes remain undiscovered
It is the largest earthquake to strike the island since a 6.9 earthquake rocked Hawaii on May 4 near the erupting volcano.
The Pacific Tsunami Warning Centre said some areas may have experienced strong shaking.
However, they have currently not issued a tsunami warning.
No damages or injuries have currently been reported.
The tremor was located near Mount Kilauea, Hawaii Volcanoes National Park, Kilauea Military Camp, Volcano House and Volcano Winery.
There have been over 500 earthquakes in the summit area of Kilauea in the last 24 hours.
The quake sent a plume of ash up to 8,000 ft as the wind blew in the southwest direction.
Brian Shiro, a supervisory geophysicist at the USGS Hawaiian Volcano Observatory, said it was the highest rate of quakes ever measured at the summit area.













Comment: Fracking is likely to be a contributor to the quakes but it seems that geologic activity in general is on the rise: