[JimSEA]

"Volcanologists have now proposed a new trigger mechanism: the sloshing of this bubbly magma. Sloshing—the movement of a surface of liquid—is a well-studied issue in engineering. Trucks carrying liquids (such as petroleum) must have specially designed tanks to withstand the sloshing fluid inside. Fractures and roof collapse can sometimes occur in static petroleum storage tanks after the ground motion from earthquakes moves the liquids inside. Inspired by these observations, volcanologist Atsuko Namiki of Hiroshima University in Japan and colleagues wondered what kind of effect earthquakes might have on a different contained liquid—volcanic magma."

Reading the entire article at the source is necessary to get an understanding of what they are talking about. A very large earthquake creating a "sloshing" of the magma in a partially filled magma reservoir triggering an explosion a fair amount of months later.

[rightwingcrazy]

Rising ocean levels are putting unnatural pressure on the Earth’s crust, triggering worldwide earthquakes, and, as we see here, causing increased volcanic activity. Woe, woe, shame on us.

They should pay me to write this stuff.

[CaptainAmiigaf]

I believe that the huge oil tanks in super tankers, freighters, and Naval vessels also are built with internal bulkheads that allow but restrict the SLOSHING of the oil when the ship is rolling with the seas.
Ships at sea roll port to starboard (right to left) and back with a steady rhythm and also bow to stern. If a ship is low on fuel, this steady sloshing can actually result in capsize in heavy storms and seas.

[Don Corleone]

The Earth is a living breathing entity. Anyone who understands rudimentary science knows that. Something is always going on within the Earth and for all practical purposes we humans are powerless to stop or start it.

[PAR35]

a volcano 42 kilometers away from the quake’s epicenter. A small eruption was occurring. Could the distant earthquake have triggered it?

42 km (roughly 26 miles) is about the length of a marathon race. It's distant only if you are trying to run that far on foot. And if I had a volcano erupting 26 miles from me in the same fault system, I'd consider it close instead of distant.

[Huskrrrr]

San Francisco is 250 miles from the active volcano Mt. Lassen. Several years after the 1903 earthquake, Mt. Lassen had a major eruption, in 1915. Probably a coincidence but still interesting to ponder.

[Smokin' Joe]

The earthquake is a symptom of plate movement. That plate movement may well cause point source compression waves to slosh around in the mantle, and that might stimulate volcanic activity elsewhere. I would think subduction zones would act as baffles and reflectors of those compression waves.

[JimRed]

42 kilometers or 100 kilometers are not what I’d call far away. And the earthquakes, rather than causing the volcanic activity may have been caused by the building pressure that resulted in the eruptions.

Surprisingly, no mention of global warming, fracking, offshore drilling...they must be slipping!

[Ozark Tom]

Water level changes in distant aquifers is a known consequence of earthquake activity. The same impetus operating on magmatic systems feeding volcanoes is not far-fetched.