Pacific’s Age after Challenger deep Deepening
Present east boundary of the Pacific Ocean is seen at Cape Mendocino 40.439N latitude; it’s a primary Reference, but the longitude position is moving west. Petrolia is a nearby town with an abandoned oilfield, as is Talara, Peru 4.561S, but still producing. White shallow novacenters are shallow, although the Pacific’s deepening.
Geo culture’s fascinated with “broken plates moving around”, so they imagine that the Pacific has been replaced by older plates! 750 million years has been replaced by 180-200 m.y. I calculate 321 million years and this is Mississippian. 
Photo shows that eruptions are caused By uplift, and shown by Japan’s offshore:
Japan’s offshore deep black novacenters, and indicate that the mantle is brittle- hence younger. This indicates that the W. Pacific’s younger than that east of the Marianas’ 40 million and older rocks!
Earth’s interior is analyzed via Seismic waves. Shown is a Shear or S wave. 
Illustration of a large-scale wave is shown for Alaska- where a killer earthquake.usgs.gov hit the SE:
Eruptions travel in unknown patterns now, and Merapi is the simplest, in repeating in 10-20 year cycles. One is predicted to occur at the Full Moon of March 2020-9th within 2 days of microcracks to fractures. Fire mountain or process translates to Merapi.
Rayleigh waves are surface vibrations as are Love waves
Time scale of 460 million Earth is shown based on fossils and their time intervals. 
Enigmatic is the Hawaii Emperor chain, where it has formed an archipelago in the last 5 million years; still below the Pacific’s surface is Loihi- shown in the accompanying frame. It’s 53.5 km from Kilauea, which is on a track 33.4 km west of the young crater. 
Two tracks of the bifurcation are 53.5/20=2.675 Earth tides apart, and this separation is a clue to the Heat production by friction of one traveling faster than the other. Western track of Mauna Loa should be slower, and Kilauea, Loihi are erupting faster. Basalt moves slower and Mauna Loa should be more explosive!
earthquake.usgs.gov
Energy is transmitted in Waves: from Gravitational (photos) to Erosional, to regular spacing of Gullies- sort them by category:
Anomaly to the NW of Hawaii is a crater sunk within a CCW rotating fan, and is 1,000 km from an arc with a radius of that amount. Dividing by 20 km/million years yields 50- which is larger than the Kinmei seamount after which 39 m.y. Komo started the eastward turn there. Using 28 m.y. Midway atoll to correct the calculations, the anomalous crater-fan is from the 39 million year Apolaki feature (probably a strike crater).
Mesozoic layers are shown to note how Earth tides create undulations are formed. 
Anomaly referred above is an interference with the Mendocino transform, and has information about its Concentric Arcs; spacing between 1,207/20 and 1,135/20 is 60.35 and 56.75 km= 3.6 million years difference; this is an interval not a cycle. Cycles of 20-30 million may depend upon catastrophes such as are shown in Geological discontinuities in marine environments, but obscure on land- due to erosion. Regular cycles of our Sun may be found by the Parker probe, but not yet known.
Eocene is the longest epoch at 22 million years: 
Review the Mendocino transform offshore California’s Cape at 40.439N latitude- since it’s a Primary Reference. It is the further most E-West transform, and is 7.2 degrees latitude (800 km) north of another lesser transform. Tilt angle of our Sun of 7.25 degrees Precession is tracked further west, but not in the Atlantic where our Moon inflicts a S-North Rift. 
“Red of a Morning is Sailors warning”- but not on Mars, since there’s no ocean!
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