[Ernest_at_the_Beach]

Dropping a link to:

Magnitude 8 and Greater Earthquakes Since 1900

[Ernest_at_the_Beach]

And:

2004 Indian Ocean earthquake

With a magnitude of between 9.1 and 9.3, it is the second largest earthquake ever recorded on a seismograph. This earthquake had the longest duration of faulting ever observed, between 8.3 and 10 minutes. It caused the entire planet to vibrate as much as 1 cm (0.5 inches)^[4] and triggered other earthquakes as far away as Alaska.^[5]