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Earthquake Information Statement for December 20th, 2020

No Tsunami Threat to the Island of Hawaii following a magnitude 4.4 earthquake that occurred near Mauna Ulu within Hawai'i Volcanoes National Park (HVNP) Sunday evening (December 20th).

Published by: HIRSC - Hawaii Island (Holualoa) Team


The United States Geological Survey (USGS) reports a magnitude 4.4 (initially magnitude 4.3 upgraded to a 4.4 earthquake) occurred at 10:36 pm Sunday evening (December 20th) in the area of Mauna Ulu within the Hawai'i Volcanoes National Park (HVNP) on South Flank of Kīlauea in Ka'u Sunday evening (December 20th).

Based on all assessments completed by the USGS and Pacific Tsunami Warning Center (PTWC), there is NO TSUNAMI THREAT TO THE ISLAND AND STATE OF HAWAI'I, again NO TSUNAMI THREAT. The earthquake was not strong enough to generate a localized tsumani.

This will be the only statement unless further data is received.

HIRSC Team on Hawaii Island has received numerous reports from residents throughout East Hawaii reporting a moderate to strong shaking was reported. We have not heard any reports of damage or injuries related to the earthquake at Mauna Ulu.

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