How many letters does the top answer for “the point on the earth's surface directly above the focus of an earthquake” have?

The most common answer is epicenter (9 letters).

Crossword clue: the point on the earth's surface directly above the focus of an earthquake

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

epicenter 9 letters wn-def

the point on the Earth's surface directly above the focus of an earthquake

epicentre 9 letters wn-def

the point on the Earth's surface directly above the focus of an earthquake