No, there is no such thing as "would of" ... the term is would have, as in "I would have felt terror at the earthquake if I'd been there."
will more shocks be felt after a storng earthquake
An intensity 5 earthquake is felt by a few number of people outdoors while an intensity 7 earthquake is felt generally by people outdoors
A small earthquake is anything not felt or is felt but does not do any damage to property. An earthquake of magnitude 2.5 or less is usually not felt, but can be recorded by seismograph. Earthquakes above magnitude 2.5 and under magnitude 5.4 are often felt but only cause minor damage.
they felt sad
Aftershock
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depends on where you are. if you are on like, the tip of cuba, not to likely but it is possibal. other wise,no
The quake was felt in Nevada.
It would have been detected by seismographs in Australia, but it would not have been noticed by people. I live about 300km from Christchurch, and we felt it as only a slight swaying.
All other factors being equal, the seismic waves will be felt most strongly at or near to the epicentre of the earthquake.
because the earthquake wasn't strong enough for Havana to feel it