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Home Volcanoes
& Earthquakes Kilauea Volcano

Kilauea Volcano

May
23, 2007

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Kilauea Daily Update issued
Wednesday, May 23, 2007 07:51 HST

Current Volcanic-Alert Level WATCH

Current Aviation Color Code ORANGE

Report prepared by the Hawaiian
Volcano Observatory:

Summary: Kilauea volcano
continues to erupt from the Pu`u `O`o vent on the East
Rift Zone. The eruption is stable - the new Poupou ocean
entry, which first poured into the ocean on May 16,
continues to build a delta. The earthquake flurry that
started May 12 south and east of the summit
continues.

The long story that won't change
daily: Over the past several months, Kilauea caldera has
been expanding at a rate of 1.5 cm/month indicating
minimal magma storage there. Pu`u `O`o cone is slowly
collapsing as shown by cracks spreading on its south
flank and about 1 cm/month subsidence of its north
flank.

The PKK lava tube, the primary tube from
Pu`u `O`o, is active but only to feed the Campout tube
which starts about 1 km from the vent. The Campout tube
provides lava to the coast at the weakening Kamokuna
ocean entry, an eastward branch to the base of Royal
Gardens subdivision that reached the ocean on May 16 at
Poupou, and westward branch to the coastal plain inland
of the East Lae`apuki sea cliff that may no longer be
active. Lava continues to enter the ocean at Kamokuna
and Poupou within the Hawai`i Volcanoes National Park.

The last 24 hours at Kilauea summit: There are
still more than the typical number of earthquakes
clustering south of the summit. Since May 12, small
shallow quakes have been located south and/or east of
Halema`uma`u and at scattered locations in the south
flank. The focus of quakes in the last 24 hours has been
in the upper east rift zone between Keanakako`i and
Pauahi craters. The tiltmeter network shows no
summit-wide changes. Seismic tremor levels remain at low
levels.

Air quality was good.

Last 24
hours at Pu`u `O`o: No big changes. Incandescence is
visible occasionally reflected in the gas plumes from
East Pond, January, South Wall, and Drainhole vents. POC
tiltmeter recorded the usual oscillations with two
abrupt but small deflations; these may indicate surface
changes on the south side of Pu`u `O`o but did not
correlate with any activity changes visible in the
crater. Seismic tremor levels remain at moderate
levels.

NPS eruption crew report from the coast
for Tuesday evening: Incandescence was intermittently
visible from a source above the pali, possibly Pu`u
`O`o. No incandescence was visible on the pali nor on
the coastal plain. Incandescence was visible at the
Poupou entry at night.

May
22, 2007

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Kilauea Daily Update issued
Tuesday, May 22, 2007 07:49 HST

Current Volcanic-Alert Level
WATCH

Current Aviation Color Code
ORANGE

Report prepared by the
Hawaiian Volcano Observatory:

Summary:
Kilauea volcano continues to erupt from the Pu`u
`O`o vent on the East Rift Zone. The eruption is
stable - the new Poupou ocean entry, which first
poured into the ocean on May 16, continues to
build a delta. The earthquake flurry that has been
going on since May 12 south of the summit
continues.

The long story that won't change
daily: Over the past several months, Kilauea
caldera has been expanding at a rate of 1.5
cm/month indicating minimal magma storage there.
Pu`u `O`o cone is slowly collapsing as shown by
cracks spreading on its south flank and about 1
cm/month subsidence of its north flank.

The
PKK lava tube, the primary tube from Pu`u `O`o, is
active but only to feed the Campout tube which
starts about 1 km from the vent. The Campout tube
provides lava to the coast at the weakening
Kamokuna ocean entry, an eastward branch to the
base of Royal Gardens subdivision that reached the
ocean on May 16 at Poupou, and westward branch to
the coastal plain inland of the East Lae`apuki sea
cliff that may no longer be active. Lava continues
to enter the ocean at Kamokuna and Poupou within
the Hawai`i Volcanoes National Park.

The
last 24 hours at Kilauea summit: There are still
more than the typical number of earthquakes
clustering south of the summit. Since May 12,
small shallow quakes have been located south of
Halema`uma`u and at scattered locations in the
south flank. A magnitude-2.8 earthquake occurred
at 7:43 pm yesterday beneath Mauna Ulu on the east
rift zone. The tiltmeter network shows no net-wide
changes; the UWE tiltmeter is recording slow
inflation. Seismic tremor levels remain at low
levels.

Air quality was
moderate.

Last 24 hours at Pu`u `O`o: No
big changes. A shift to kona winds two days ago
brought rain and blew the gas plumes directly into
the webcam permitting only occasional views of
incandescence reflected in the gas plumes from
East Pond, January, South Wall, and Drainhole
vents. POC tiltmeter recorded the usual
oscillations. Seismic tremor levels remain at
moderate levels.

NPS eruption crew report
from the coast for Monday evening: Incandescence
was visible from a source above the pali, possibly
Pu`u `O`o. No incandescence was visible on the
pali nor on the coastal plain. A steam plume was
visible from the Poupou ocean entry during the
day; incandescence was visible at both the
Kamokuna and Poupou entries at night.

May
21, 2007

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Kilauea Daily Update issued
Monday, May 21, 2007 07:13 HST

Current Volcanic-Alert Level
WATCH

Current Aviation Color Code
ORANGE

Report prepared by the
Hawaiian Volcano Observatory:

Summary:
Kilauea volcano continues to erupt from the Pu`u
`O`o vent on the East Rift Zone. The eruption is
stable - the new Poupou ocean entry, which first
poured into the ocean on May 16, continues to
build a delta. The earthquake flurry that has been
going on since May 12 south of the summit
continues.

The long story that won't change
daily: Over the past several months, Kilauea
caldera has been expanding at a rate of 1.5
cm/month indicating minimal magma storage there.
Pu`u `O`o cone is slowly collapsing as shown by
cracks spreading on its south flank and about 1
cm/month subsidence of its north flank.

The
PKK lava tube, the primary tube from Pu`u `O`o, is
active but only to feed the Campout tube which
starts about 1 km from the vent. The Campout tube
provides lava to the coast at the weakening
Kamokuna ocean entry, an eastward branch to the
base of Royal Gardens subdivision that reached the
ocean on May 16 at Poupou, and westward branch to
the coastal plain inland of the East Lae`apuki sea
cliff that may no longer be active. Lava continues
to enter the ocean at Kamokuna and Poupou within
the Hawai`i Volcanoes National Park.

The
last 24 hours at Kilauea summit: The tiltmeter
network shows no net-wide changes. Seismic tremor
levels remain at low levels. Since May 12, small
shallow quakes have been located south of
Halema`uma`u and at scattered locations in the
south flank.

Air quality continues to be
poor.

Last 24 hours at Pu`u `O`o: No big
changes. A shift to kona winds brought rain and
blew the gas plumes directly into the webcam only
occasionally permitting views of incandescence
reflected in the gas plumes from East Pond,
January, South Wall, and Drainhole vents. POC
tiltmeter recorded the usual oscillations. Seismic
tremor levels remain at moderate
levels.

NPS eruption crew report from the
coast for Sunday evening: No incandescence was
visible on the pali. Small steam plumes were
visible from both the Kamokuna and the Poupou
ocean entries during the day; incandescence was
visible at night. The eruption crew reported that
the best viewing was from the coastal road pullout
nearest the ranger station with a telescope.

May
15, 2007

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Kilauea Daily Update issued
Tuesday, May 15, 2007 07:45 HST

Current Volcanic-Alert Level
WATCH

Current Aviation Color Code
ORANGE

Report prepared by the
Hawaiian Volcano Observatory:

Summary:
Kilauea volcano continues to erupt from the Pu`u
`O`o vent on the East Rift Zone. The eruption is
stable - there have been no significant changes in
the last 24 hours.

Over the past several
months, Kilauea caldera has been widening at a
rate of 1.5 cm/month indicating minimal magma
storage there. Pu`u `O`o cone is slowly collapsing
as shown by widening cracks on its south flank and
about 1 cm/month subsidence of its north
flank.

The PKK lava tube, the primary tube
from Pu`u `O`o, is active and only feeding
breakouts well above the top of the pali. The
Campout lava tube, which branches from the PKK
tube about 2 km from the vent, provides lava to
the coast at the Kamokuna ocean entry, an eastward
branch to the base of Royal Gardens subdivision,
and westward branch to the coastal plain inland of
the East Lae`apuki sea cliff. Lava continues to
enter the ocean at Kamokuna within the Hawai`i
Volcanoes National Park.

The last 24 hours
at Kilauea summit: The tiltmeter network recorded
slight inflation on some instruments. UWE
tiltmeter recorded inflation until an abrupt
deflation starting at 3:41 this morning. The rate
of deflation was small and was not clearly
detected by other tiltmeters in the network.
Seismic tremor levels remain at low levels. The
number of small earthquakes located beneath
Kilauea jumped up this morning. A flurry of
earthquakes, located beneath Koko`olau crater,
accompanied the abrupt deflation recorded by the
UWE tiltmeter. There were also small shallow
earthquakes beneath the upper southwest rift zone
and the south flank. A magnitude 2.7 earthquake
occurred in the Poliokeawe area at 7:09 am
HST.

Air quality was good.

Last 24
hours at Pu`u `O`o: No big changes, but there may
be a slight increase in level of activity. Clear
weather provided views of East Pond, January,
South Wall, and Drainhole vents; between 22:44 and
1:04, East Pond vent displayed some spattering and
bright flashes of incandescence - these signs
haven't been seen in the crater for months. POC
tiltmeter recorded the usual oscillations with an
abrupt but small deflation at 1:02 am that
coincided with about 15-20 seconds of seismic
tremor detected on all seismometers in the area.
Other than this brief burst, seismic tremor levels
remain at moderate levels.

NPS eruption
crew report from the coast for Monday evening: The
viewing report was more promising last night
indicating that another surge may be starting.
Bright incandescence was reflected in clouds from
a source above the top of the pali, possibly Pu`u
`O`o. There was also strong incandescence visible
at the top of the pali on the Campout flow near
the adjacent kipuka, suggesting that surface flows
are making their way over the top of the pali but
haven't quite arrived there yet. Visitors reported
surface flows on the east side of the flow field
in the vicinity of Royal Gardens. The Kamokuna
ocean entry remains active with a very small wispy
steam plume visible during the day and visible
incandescence at night.

May
14, 2007

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E-mail

Kilauea Daily Update issued
Monday, May 14, 2007 08:27 HST

Current Volcanic-Alert Level
WATCH

Current Aviation Color Code
ORANGE

Report prepared by the
Hawaiian Volcano Observatory:

Summary:
Kilauea volcano continues to erupt from the Pu`u
`O`o vent on the East Rift Zone. The eruption is
stable - there have been no significant changes in
the last 24 hours.

Over the past several
months, Kilauea caldera has been widening at a
rate of 1.5 cm/month indicating minimal magma
storage there. Pu`u `O`o cone is slowly collapsing
as shown by widening cracks on its south flank and
about 1 cm/month subsidence of its north
flank.

The PKK lava tube, the primary tube
from Pu`u `O`o, is active and only feeding
breakouts well above the top of the pali. The
Campout lava tube, which branches from the PKK
tube about 2 km from the vent, provides lava to
the coast at the Kamokuna ocean entry, an eastward
branch to the base of Royal Gardens subdivision,
and westward branch to the coastal plain inland of
the East Lae`apuki sea cliff. Lava continues to
enter the ocean at Kamokuna within the Hawai`i
Volcanoes National Park.

The last 24 hours
at Kilauea summit: The tiltmeter network recorded
slight inflation on some instruments. Seismic
tremor levels remain at low levels. The number of
small earthquakes located beneath Kilauea tapered
off yesterday. They were concentrated in two
areas: about 2 km south of Halema`uma`u and the
upper east rift zone between Puhimau and Pauahi
craters.

Air quality was good.

Last
24 hours at Pu`u `O`o: No changes. Incandescence
from vents in the crater floor lit gas plumes when
fog permitted views from HVO's webcam. East Pond
and Drainhole vents appeared the most active;
January and South Wall Complex vents appear
occasionally. POC tiltmeter recorded the usual
oscillations. Seismic tremor levels remain at
moderate levels.

NPS eruption crew report
from the coast for Sunday evening: No
incandescence was visible anywhere. Visitors
reported finding some active lava about a 4.5
miles walk from the road end. The Kamokuna ocean
entry remains active with a very small wispy steam
plume visible during the day.

More...

May
11, 2007

May
9, 2007

May
8, 2007

May
7, 2007

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