A new fissure eruption has begunat Kilauea volcano in Hawaii on 5th
March 2011. The floor of Pu'u O'o crater collapsed over a period of 10
minutes. The event was preceded by a rapid deflationof Pu'u O'o and
increased tremor along Kilauea's middle east rift zone near Makaopuhi
and Napau craters. There was also deflation at the summit. New fissure
opened between Pu'u O'o and Napau crater. The fissure ejected lava
spatter 20 m high.
2009 Bench Collapse
A bench collapse occurred at Waikupanaha ocean entry, KilaueaVolcano,
Hawaii, on the afternoon of 17th February 2009 (local time). Four
explosions were recorded between 12:45 and 1:15 pm. The lava delta and
nearby areas remain dangerous and should not be approached.
Benchcollapse can occur without warning, and result in explosions and
ejection of hot lava, and localwaves.
2008 Summit Eruption
An explosive eruption occurred on 19th March 2008, at Halema`uma`u
Crater at the summit of Kilauea Volcano in Hawaii. This was the first
explosiveeruption in the summit crater since1924. The explosion
occurred at the location of the new gas vent which formed the week
before. The eruption was probably phreatic, and created a crater 30 m
in diameter. Debris was thrown as far as Crater Rim Drive near
Halema`uma`u parking area 350 m away. Crater Rim Drive has been closed
recently due to high level of gas emission in the area. The explosion
occurred 3 miles from the town of Volcano with a population of 2200.
Kilauea Volcano Safety
Hiking at Kilauea volcano is a demanding activity, and is best pursued by those
who are physically fit, experiencedin hiking, have suitable clothes,
enough water, and be informed about the risks.
Deflation-inflation events at Kilauea volcano in Hawaii are caused by
changes in a secondary magma chamber east of Halemaumau Crater at
about 750 m below ground level. This secondary magma chamber produces
episodic deformation events.
Kilauea Volcano Eruptions
1983-2012, 1982, 1980, 1979, 1977, 1975, 1969-74, 1967-68, 1965, 1963,
1962, 1961, 1960, 1959, 1954, 1952, 1934, 1931-1932, 1930, 1929, 1927,
1906-24, 1905-06, 1903-04, 1902-03, 1897, 1896, 1823-94, 1820, 1790,
1750.
Earlier eruptions are not accuratelydated.
*. Kilauea
*. Mauna Loa
*. Hualalai
*. Mauna Kea
*. Kohala
*. Loihi Lanai
*. Lanai Kohoolawe
*. Kahoolawe Maui
*. West Maui
*. Haleakala Kauai
*. Kauai Molokai
*. East Molokai (Wailau)
Hawaii Volcano Evolution
Hiking Trails
Soils of Hawaii Oahu
*. Waianae
*. Honolulu Vents
*. Koolau Other
*. Kaula
*. Niihau
*. Kalaupapa
*. 1955 Underwater eruption
*. 1956 Underwater eruption
*. Hawaiian-Emperor Chain
Saturday 25th February 2012
Kilauea Volcano, Hawaii
A seismic swarm continues on theBig island of Hawaii between Kilauea
and Mauna Loa volcanoes. The Ka`oiki seismic swarm began on 21st
February 2012 at a location 5km NW of Halemaumau crater. Between
21-24th February there were morethan 100 earthquakes associated with
the swarm. Between 23-24 February there were 74 earthquakes in the
swarm, with two over magnitude 4. The earthquakes were felt at the
Hawaii volcano observatory wherebooks fell off the shelves. Minor
damage occurred at residences inVolcano Golf Course subdivision,
located about 3 km from the earthquake epicentre. This area
experienced previous seismic swarms in 1990, 1993, 1997, and 2006,
which lasted up to several weeks.2011 Fissure Eruption
A new fissure eruption has begunat Kilauea volcano in Hawaii on 5th
March 2011. The floor of Pu'u O'o crater collapsed over a period of 10
minutes. The event was preceded by a rapid deflationof Pu'u O'o and
increased tremor along Kilauea's middle east rift zone near Makaopuhi
and Napau craters. There was also deflation at the summit. New fissure
opened between Pu'u O'o and Napau crater. The fissure ejected lava
spatter 20 m high.
2009 Bench Collapse
A bench collapse occurred at Waikupanaha ocean entry, KilaueaVolcano,
Hawaii, on the afternoon of 17th February 2009 (local time). Four
explosions were recorded between 12:45 and 1:15 pm. The lava delta and
nearby areas remain dangerous and should not be approached.
Benchcollapse can occur without warning, and result in explosions and
ejection of hot lava, and localwaves.
2008 Summit Eruption
An explosive eruption occurred on 19th March 2008, at Halema`uma`u
Crater at the summit of Kilauea Volcano in Hawaii. This was the first
explosiveeruption in the summit crater since1924. The explosion
occurred at the location of the new gas vent which formed the week
before. The eruption was probably phreatic, and created a crater 30 m
in diameter. Debris was thrown as far as Crater Rim Drive near
Halema`uma`u parking area 350 m away. Crater Rim Drive has been closed
recently due to high level of gas emission in the area. The explosion
occurred 3 miles from the town of Volcano with a population of 2200.
Kilauea Volcano Safety
Hiking at Kilauea volcano is a demanding activity, and is best pursued by those
who are physically fit, experiencedin hiking, have suitable clothes,
enough water, and be informed about the risks.
Deflation-inflation events at Kilauea volcano in Hawaii are caused by
changes in a secondary magma chamber east of Halemaumau Crater at
about 750 m below ground level. This secondary magma chamber produces
episodic deformation eventsMagnitude 3.1 - ISLAND OF HAWAII, HAWAII
2012 February 25 01:45:05 UTC
Details
Maps
Scientific & Technical
Earthquake Details
This is a computer-generated message -- this event has not yet been
reviewed by a seismologist.
Magnitude 3.1
Date-Time
Saturday, February 25, 2012 at 01:45:05 UTC
Friday, February 24, 2012 at 03:45:05 PM at epicenter
Time of Earthquake in other Time Zones
Location 19.423°N, 155.327°W
Depth 4.4 km (2.7 miles)
Region ISLAND OF HAWAII, HAWAII
Distances
10 km (6 miles) WSW (253°) from Volcano, HI
21 km (13 miles) WSW (255°) from Fern Forest, HI
23 km (14 miles) SW (236°) from Mountain View, HI
40 km (25 miles) SW (219°) from Hilo, HI
334 km (208 miles) SE (128°) from Honolulu, HI
Location Uncertainty horizontal +/- 0.3 km (0.2 miles); depth +/- 0.8
km (0.5 miles)
Parameters Nph= 50, Dmin=3 km, Rmss=0.12 sec, Gp= 47°,
M-type=duration magnitude (Md),Version=1
Source
U.S. Geological Survey, Hawaiian Volcano Observatory
Hawaii National Park, Hawaii
Event ID hv60314861
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