Massive quake swarm happening in Hawaii. Upper East Rift Zone alert increased to orange

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https://earthquake.usgs.gov/earthquakes/map/?currentFeatureId=hv74355931&extent=19.33488,-155.27647&extent=19.40281,-155.15974

HVO/USGS Volcanic Activity Notice

Volcano: Kilauea

Current Volcano Alert Level: WATCH
Previous Volcano Alert Level: ADVISORY

Current Aviation Color Code: ORANGE
Previous Aviation Color Code: YELLOW

Issued: Tuesday, July 23, 2024, 4:06 AM HST
Source: Hawaiian Volcano Observatory
Notice Number: 2024/H178
Location: N 19 deg 25 min W 155 deg 17 min
Elevation: 4091 ft (1247 m)
Area: Hawaii

Volcanic Activity Summary:
Kilauea is not erupting. Increased earthquake activity and ground deformation at Kilauea’s upper East Rift Zone began at approximately 3:30 a.m. HST on July 23, 2024, indicating the likely movement of magma in the subsurface. Accordingly, the USGS Hawaiian Volcano Observatory (HVO) is raising the Volcano Alert Level for ground-based hazards from ADVISORY to WATCH and the Aviation Color Code from YELLOW to ORANGE.

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Earthquake activity is centered near Pauahi Crater. The situation is rapidly evolving, and, at this time, it is not possible to say with certainty if this activity will lead to an eruption; the activity may remain below ground. An eruption in Kilauea’s upper East Rift Zone within Hawai‘i Volcanoes National Park is one potential outcome. It is not possible to say where such an outbreak may occur, but the area between Hi’iaka crater and Maunaulu in Hawai‘i Volcanoes National Park, is potentially at risk for a new lava outbreak based on past patterns of eruptive activity in this area. Past eruptions in this region of Kilauea’s upper East Rift Zone, between Hi’iaka crater and Maunaulu, occurred over hours to about a month. The location of any future outbreak will determine what areas could be in the path of new lava flows.

A map of past eruptive activity is available here: [link to http://www.usgs.gov (secure)]

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HVO continues to closely monitor Kilauea. Should volcanic activity change significantly, a new Volcanic Activity Notice will be issued.

HVO is in close contact with Hawai‘i Volcanoes National Park. Temporary closures have been implemented as a result of this elevated activity: [link to http://www.nps.gov (secure)]

Hazards are present on Kilauea and are described below. Residents and visitors should stay informed and follow County of Hawai‘i and Hawai’i Volcanoes National Park guidelines.

For more information about the meaning of volcano alert levels and aviation color codes, see

https://www.usgs.gov/programs/VHP/volcanic-alert-levels-characterize-conditions-us-volcanoes

h/t Supreme Mister Pillar