Along a plate boundary or a fault line.
yes
It could be days or YEARS before the major earthquake. Plate tectonics are always moving.
Yes. An earthquake may occur in the ocean.
Aftershocks can occur hours or days after an earthquake.
A tsunami is an ocean wave that is caused by an earthquake. It would occur after an earthquake.
on 11th march 2011 at 9.am earthquake occur exactly in japan
Small foreshocks that precede a major earthquake can occur
It is impossible to predict when an earthquake will occur.
A tsunami could occur at any time, as they are often triggered by something like an earthquake. They are not always down to tidal influences.
There is no requirement for nausea to occur due to an earthquake or any other natural phenomenon.
No, a tsunami MAY occur after an earthquake, if the epicenter of the quake was underwater. Tsunamis do not always follow an underwater earthquake, though. That adds to people's uncertainty after a quake, especially about whether they should flee to higher ground after a quake.
Earthquake