one time a year
3
Earthquakes occur most often along the boundaries of tectonic plates.
The edge of the oceanic and continental plates.
Tectonic plates rubbing against each other.
Yes, lunar eclipses can occur on the Ides of March, which is March 15th. The occurrence of a lunar eclipse is not tied to a specific date but rather to the alignment of the Earth, Moon, and Sun. So it is possible for a lunar eclipse to happen on any date of the year, including the Ides of March.
About twice a year.
once a year
several times a year
The Ides of March or the 15th of May. The Ides was the middle of the month in the Roman calendar and in the year 44BC, the Ides of March is when Julius Caesar was assassinated.
direct observation
About twice a year.
every 4 years
about 1 year tops
Once
TWICE!!
It is very very rare that they will occur maybe 12 tornadoes a year