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Kama’ehuakanaloa submarine volcano (Hawai'i): seismic swarm

lun, 18 lug 2022, 18:37
Swarm distribution under Kama’ehuakanaloa submarine volcano (image: HVO)
Swarm distribution under Kama’ehuakanaloa submarine volcano (image: HVO)
An elevated seismic activity has been registered beneath the submarine volcano by the Hawaiian Volcano Observatory (HVO) instruments starting about 02:00 local time on 16 July.
After almost 24 hours after the activity began, several dozens of quakes with magnitude range up to M 3.0 took place between 01:30 and 06:00 local time. Earthquakes were located 44 km southeast of Nāʻālehu at depths between 2 and 16 km. A swarm of earthquakes, characterized by seismic pulses at roughly regular intervals of 15-20 minutes, is still continuing. This may signalize magma movements under the surface.
According to the HVO scientist-in-charge Ken Hon, the activity is not expected to lead to an eruption.
Source: Hawaiian Volcano Observatory volcano activity update 18 July 2022

News precedente

Thu, 14 Jul 2022, 10:00

Kama'ehuakanaloa volcano (Hawaiian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 July-19 July 2022 (Continuing Activity)

An earthquake swarm began at Kama'ehuakanaloa at about 0200 on 16 July and was characterized by seismic tremor accompanied by pulses of seismic energy every 15-20 seconds. The pattern of elevated seismicity continued through at least 1453 on 17 July, the posting time of the HVO's information statement. The report also noted that around 24 earthquakes in the M 1.8-3 range were recorded during 0130-0600 on 17 July. ... Read all
Fri, 24 Dec 2021, 21:41

Loihi submarine volcano (Hawai'i): earthquake M 4.9 today

Arrow points to the earthquake position under the Loihi volcano today (image: HVO)
Seismic instruments of the Hawaiian Volcano Observatory (HVO) detected a volcano-tectonic earthquake with magnitude M 4.9 at 12 km depth centered about 42 km southeast of Nā'ālehu at 01:32 local time today. ... Read all
Mostra di più
Loihi vulcano
Submarine volcano -975 m / - 3,199 ft
United States, Hawaiian Islands, 18.92°N / -155.27°W
Stato attuale: normal or dormant (1 di 5) Eruzioni del vulcano Loihi:
Stile eruttivo tipico
non specificato
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