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Alert Level: ADVISORY,
Color Code: YELLOW
2024-07-07
HAWAIIAN VOLCANO OBSERVATORY INFORMATION STATEMENT U.S. Geological Survey Saturday, July 6, 2024, 9:28 PM HST (Sunday, July 7, 2024, 07:28 UTC)
KILAUEA (VNUM #332010) 19°25'16" N 155°17'13" W, Summit Elevation 4091 ft (1247 m) Current Volcano Alert Level: ADVISORY Current Aviation Color Code: YELLOW
On Saturday, July 6, 8:47 p.m. HST, a magnitude-4.1 earthquake occurred 9 mi (14 km) south of Fern Forest on the Island of Hawaiʻi at a depth of 4 mi (7 km) below sea level. It was followed by three aftershocks in a similar area within 10 minutes: a M2.0, M2.6 and one M3.3; other aftershocks are possible. The earthquake had no apparent impact on either Mauna Loa or Kīlauea volcanoes. Most earthquakes in this region are caused by abrupt motion of Kīlauea volcano's south flank, which moves to the southeast over the oceanic crust. The location, depth, and waveforms recorded as part of today's earthquake are consistent with slip along faults related to the south flank detachment fault.
The USGS Hawaiian Volcano Observatory continues to monitor Hawaiian volcanoes for any changes.
EARTHQUAKE DESCRIPTION
Magnitude: 4.1
Date and Time: July 6, 2024, at 8:47 p.m. HST
Location: 9 mi (14 km) S of Fern Forest
Depth: 4 mi (7 km) below sea level
Aftershocks: Three aftershocks occurred in a similar area within 10 minutes: a M2.0, M2.6 and one M3.3; other aftershocks are possible
EARTHQUAKE INTENSITY AND AFFECTED AREA
Potential Damage: No damage to buildings or infrastructure expected based on earthquake intensity
The Hawaiian Volcano Observatory is one of five volcano observatories within the U.S. Geological Survey and is responsible for monitoring volcanoes and earthquakes in Hawaiʻi and American Samoa.