Multiple choice Which one of the following statements is not correct ? The largest known flood basalt region in the world is the Deccan trap area of peninsular India. The largest flood basalt region in the United States of America is the Columbia Plateau. The two shield volcanoes Mauna Loa and Mauna Kea have summit elevations of more than 6500 m above sea level. The island of Hawaii includes at least seven coalesced volcanic domes. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Mauna Loa and Mauna Kea are shield volcanoes, but their summit elevations are approximately 4,169 m and 4,207 m above sea level, respectively. The statement claiming they are more than 6,500 m above sea level is incorrect.