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HAWAIIAN VOLCANO OBSERVATORY MONTHLY UPDATE
U.S. Geological Survey
Thursday, March 7, 2024, 10:33 AM HST (Thursday, March 7, 2024, 20:33 UTC)
MAUNA LOA (VNUM #332020)
19°28'30" N 155°36'29" W, Summit Elevation 13681 ft (4170 m)
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN
Shallow seismicity beneath Mauna Loa's summit and upper-elevation flanks has been relatively low over the past month; approximately 42 small-magnitude earthquakes (below M3.0) were detected, which is expected for a post-eruption volcano. There were very few earthquakes deeper than 8 mi (13 km).
Data from Global Positioning System (GPS) instruments on Mauna Loa, record a small inflationary trend as the volcano recovers from the 2022 eruption, and magma begins to replenish the reservoir system.
Gas and temperature data from a station on Mauna Loa's Southwest Rift Zone show no significant changes in the past month.
HVO continues to closely monitor Mauna Loa and will issue another update in one month, or earlier, should conditions change significantly...
Ruang is a volcanic island. Mt. Ruang is 722 m above sea level, 1,700 m above the ocean floor (Fig. 7), and is active (Morrice et al. 1983). Eruption records go back to 1808. There were 13 major eruptions from 1808–2002 (Table 2). The eruption in 1871 triggered a tsunami that struck Tagulandang Island and killed about 400–450 people, including the King of Tagulandang (Brilman 2000; Manginsela-Tiendas 2001; GVP 2013; Paris et al. 2014).