Final answer:
The Great East Japan Earthquake in 2011 is the biggest earthquake in the past 100 years with a magnitude of 9.1, resulting in over 15,500 deaths and significant destruction in Japan.
Step-by-step explanation:
The biggest earthquake in the past 100 years is the Great East Japan Earthquake that occurred on March 11th, 2011. This earthquake had a magnitude of 9.1, making it one of the most powerful earthquakes ever recorded. The earthquake, coupled with the subsequent tsunami, caused significant damage to the island of Honshu, Japan, leading to over 15,500 deaths and widespread destruction. Not only is it the strongest earthquake to hit Japan on record, but it also stands out as the biggest in recent history when considering global seismic events.