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:


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:

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

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