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Volcano, Storm, and News Updates for the Big Island of Hawaii.

M4.2 Earthquake at Kīlauea summit

1:47 AM · Apr 23, 2023

HAWAIIAN VOLCANO OBSERVATORY INFORMATION STATEMENT On Saturday, April 22 at 2:24 p.m. HST, a magnitude-4.2 earthquake occurred 2 km south southeast of Volcano, Island of Hawaiʻi, at a depth of 1.1 km below sea level. The earthquake was about 2 km north northeast of Kīlauea caldera, just within the boundaries of Hawaiʻi Volcanoes National Park. Moderate shaking occurred during the earthquake and light damage has been reported. The earthquake had no apparent impact on either Mauna Loa or Kīlauea volcanoes. The Hawaiian Volcano Observatory continues to monitor Hawaiian volcanoes for any changes. EARTHQUAKE DESCRIPTION Magnitude: 4.2 Date and time: April 22, 2023, 2:24 p.m. HST Location: 2 km south southeast of Volcano, Island of Hawaiʻi Depth: 1.1 km below sea level Aftershocks are possible in the coming days to weeks EARTHQUAKE INTENSITY AND AFFECTED AREA Potential Damage: Light damage is expected and has been reported from several residents. Maximum Modified Mercalli Scale Intensity: VI—Moderate shaking (https://www.usgs.gov/natural-hazards/earthquake-hazards/science/modified-mercalli-intensity-scale) Felt Reports: Forty-two reports within the first half hour (http://earthquake.usgs.gov/dyfi/) Felt Area: East-central portion of the Island of Hawaiʻi between Hilo and Volcano Visit NOAA’s Tsunami Warning Center website for updated information: https://www.tsunami.gov/ EARTHQUAKE MAPS AND ADDITIONAL INFORMATION USGS National Earthquake Information Center Maps and Reports for this Event: M 4.2 - 2 km SSE of Volcano, Hawaii (usgs.gov) USGS-HVO Interactive Earthquake Map of Hawaiʻi: https://www.usgs.gov/observatories/hawaiian-volcano-observatory/earthquakes **If you felt it, you can submit a report: https://earthquake.usgs.gov/earthquakes/eventpage/hv73372962/tellus

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