Fire is "hi" in Japanese.
Erza would be one of the female Japanese names that mean fire. Akari is another name meaning bright. Kouen, MaiKa, Kaen are some of the names that attribute to fire.
She is Caeda. Sheeda was the Japanese name.
Salamander
A traditional Japanese heating device is called HIBACHI. (Isle of Wight lady)
It could be Kako, Satoko, or Honoko.
The name Fuji has several possible meanings. In ancient Japanese it could mean "fire " or deity of fire.
Hitsune; "kitsune" means fox, and "hi" can mean fire, so "Hitsune"
Fire wolf is kaji ookami in Japanese. However, there are many words for fire in Japanese, and I am not certain if kaji is the best word to use in this context. Other words for fire in Japanese are "hi" and "ka".
火之迦具土 (Hinokagatsuchi) is the god of fire that burned the ancient Japanese female deity Izanami. He is also known as 火産霊 (Homusubi).
Yes. The Japanese islands are part of the ring of fire.
Caeda (English) shiida (Japanese)
"Giniro no honoo" would be "silver fire/flame" in Japanese.