HAWAIIAN VOLCANO OBSERVATORY INFORMATION STATEMENT U.S. Geological Survey Saturday, April 22, 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