Answer:
The Moon is significantly smaller than the Earth and so its core contained less energy to begin with and also cooled significantly faster. Thus, the Moon's core is relatively cool and solid, whereas a portion of the Earth's core is liquid.
Explanation:
The Earthquake epicenter is located next to the Japanese islands, as it is seen and labeled on the picture.
The tectonic plate that is to the right and below the epicenter is the Pacific Plate- this is easy to see on the picture.
The plate to the left is a little more confusing, but if you look closely, it is the Okhotsk plate- you know this because there are no boundaries between the name of the plate and the epicenter.
It is true indeed. Hit that thanks button if this helped. C: