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M6.1 in

@USGS_Quakes PAGER alert suggests large number of casualties and lots of damage

Read more in report from 2020: earthjay.com/?p=9288

earthquake.usgs.gov/earthquake

for M7.0 offshore of

@USGS_Quakes mechanism shows this to be in downgoing slab (probably?), not on meagthrust

Regional tectonics in 2017 report: earthjay.com/?p=5182

earthquake.usgs.gov/earthquake

for M7.0 offshore of

@USGS_Quakes models suggest modest chance for triggered landslides and high likelihood for induced liquefaction

Regional tectonics in 2017 report: earthjay.com/?p=5182

earthquake.usgs.gov/earthquakes/ev…

for M 6.9 offshore of

Cocos Isle gage updated due to twitter peer review from Harold Tobin thanks!

also added Bintuhan record

interp poster and plots updated in report here
earthjay.com/?p=10545

for M 6.9 offshore of

probably slip along megathrust subduction zone where Chlieh modeled low seismogenic coupling doi.org/10.1029/2007JB004981

*in area absent of GPS/microatoll data

read more here:
earthjay.com/?p=10545

for M 6.9 offshore of

appears to be a megathrust subduction zone fault earthquake

generated a small tsunami recorded on tide gages

read more here:
earthjay.com/?p=10545

for in 2019

M7.1 offshore of

fascinating subduction dipping both east & west

generated modest

read more: regional tectonics, seismic hazard/risk
earthjay.com/?p=9106

for M 7.3 near Tonga Trench

Here are the plots for gages that the PTWC listed as having waves

Pago Pago record is clear, Nukualofa record is more noisy (is it a tsunami?).

Note the difference in scale on tsunami size axis (on the right)

updated these to the report
earthjay.com/?p=10493

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for M 7.3 Tonga trench

I missed this since the gage is on the nodal plane for the earthquake. BUT there was a recorded on the Pago Pago tide gage.

Here is a screenshot

report here: earthjay.com/?p=10493

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for M 7.3 near the Tonga trench

thrust (compressional) earthquake along the outer rise

no observed on tide gages

report here includes my interpretation and a regional tectonic summary:
earthjay.com/?p=10493

for M 7.3 along outer rise near the Tonga trench

reverse (compressional) mechanism

south of analogues incl tsunamigenic 2009 M 8.1 (tho that was extensional)

earthquake.usgs.gov/earthquake

learn more abt regional tectonics here
earthjay.com/?p=5926

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