#maunaloa earthquake

6.0 earthquake off Hōnaunau-Nāpōʻopoʻo, no tsunami threat to Hawaiʻi

There is no tsunami threat to Hawaiʻi following a 6.0 (preliminary magnitude 5.9) earthquake that occurred at 9:46 p.m. on Friday, May 22, 2026, 12 km S of Hōnaunau-Nāpōʻopoʻo, on Hawaiʻi Island. The location is on the western flank of Maunaloa.

4.0 earthquake near top of Maunaloa Road was unrelated to magmatic activity

A magnitude-4.0 earthquake occurred 11 miles west-northwest of Volcano on the Island of Hawaiʻi at a depth of 13 miles below sea level.  The earthquake occurred at 8:40 a.m. on Saturday, Nov. 30, south of Maunaloa’s Northeast Rift Zone and is unrelated to magmatic activity, according to the Hawaiian Volcano Observatory. The HVO reports the earthquake had no apparent impact on either Maunaloa or Kīlauea volcanoes.