Yesterday at 7:11 p.m. HST, a magnitude-4.0 earthquake occurred 6 miles east of Pāhala, Island of Hawaiʻi, at a depth of 20 miles below sea level.
The earthquake, which had no apparent impact on either Mauna Loa or Kīlauea, is part of the seismic swarm under the Pāhala area, which has been going on since 2019. Earthquakes in this region have been observed at least as far back as the 1960s.
The Hawaiian Volcano Observatory continues to monitor Hawaiian volcanoes for any changes.
EARTHQUAKE DESCRIPTION
- Magnitude: 4.0 (https://earthquake.usgs.gov/earthquakes/eventpage/hv73118317)
- Date and time: August 22, 2022, 7:11 p.m. HST
- Location: 6 mi (9 km) east of Pāhala, Island of Hawaiʻi
- Depth: 20 mi (32 km) below sea level
- Aftershocks are possible in the coming days to weeks
INTENSITY OF EARTHQUAKES AND AFFECTED AREAS
- Potential Damage: No damage to buildings or infrastructure expected based on earthquake intensity
- Maximum Modified Mercalli Scale Intensity: IV—Light Shaking (https://www.usgs.gov/natural-hazards/earthquake-hazards/science/modified-mercalli-intensity-scale)
- Felt Reports: More than 100 within the first hour (http://earthquake.usgs.gov/dyfi/)
- Felt Area: Across the Island of Hawaiʻi