Volcano Reports

AVO Great Sitkin YELLOW/ADVISORY - No significant activity observed in satellite or seismic data.

USGS Volcano Current Alerts - Wed, 07/11/2018 - 14:30
Jul 11, 2018 19:26 - Unrest continues at Great Sitkin Volcano. No significant activity was observed in seismic or satellite data over the past day. Local observers reported steaming activity from the fumaroles on Great Sitkin yesterday afternoon. Great Sitkin Volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption would be accomplished using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

AVO Cleveland ORANGE/WATCH - Unrest continues.Weakly elevated surface temperatures observed in satellite.

USGS Volcano Current Alerts - Wed, 07/11/2018 - 14:30
Jul 11, 2018 19:26 - Unrest continues at Cleveland volcano. Weakly elevated surface temperatures consistent with cooling lava were observed in high resolution satellite data over the past day. No significant activity was observed in seismic or pressure sensor (infrasound) data. Cleveland volcano is monitored by only two seismic stations, which restricts AVO's ability to detect precursory unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption may be possible using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

AVO Great Sitkin YELLOW/ADVISORY - No significant activity observed today.

USGS Volcano Current Alerts - Tue, 07/10/2018 - 17:30
Jul 10, 2018 20:06 - Unrest continues at Great Sitkin Volcano. No significant activity was observed in seismic or satellite data over the past day. Great Sitkin Volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption would be accomplished using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

AVO Cleveland ORANGE/WATCH - Unrest continues.Weakly elevated surface temperatures observed in satellite.

USGS Volcano Current Alerts - Tue, 07/10/2018 - 17:30
Jul 10, 2018 20:06 - Unrest continues at Cleveland volcano. Weakly elevated surface temperatures consistent with cooling lava were observed in high resolution satellite data over the past day. No significant activity was observed in seismic or pressure sensor (infrasound) data. Cleveland volcano is monitored by only two seismic stations, which restricts AVO's ability to detect precursory unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption may be possible using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; summit collapse-explosion events continue almost daily.

USGS Volcano Current Alerts - Tue, 07/10/2018 - 17:30
Jul 10, 2018 19:57 - Kīlauea Volcano Lower East Rift Zone Fissure 8 continues to erupt lava steadily into the perched channel leading northeastward from the vent. Disruptions to the mid-channel occurred yesterday afternoon producing localized overflows along the margins of the flowfield, mostly atop earlier lavas. A significant overflow north of the cinder quarry advancing yesterday and last night towards Cinder Rd. has stalled. An overflow lobe moving around the west side of Kapoho Cone remains active this morning and small brushfires are reported along the margins. Downstream, lava ...
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; summit collapse-explosion events continue almost daily.

USGS Volcano Current Alerts - Mon, 07/09/2018 - 22:30
Jul 10, 2018 03:05 - Kīlauea Volcano Lower East Rift Zone Early this afternoon observers reported multiple overflows occurring along both sides of the main lava channel, in an area extending from near the "Y" intersection at Pohoiki Road eastwards to an area just west of Kapoho Crater. Overflows on the upper part of the channel did not extend beyond areas previously covered in lava. Overflows further down the channel have reached beyond the flow field, including one flow lobe that is moving northeast from the main channel towards Cinder Rd. Residents are urged to heed warnings and ...
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; summit collapse-explosion events continue almost daily.

USGS Volcano Current Alerts - Mon, 07/09/2018 - 17:30
Jul 9, 2018 20:45 - Kīlauea Volcano Lower East Rift Zone The eruption in the lower East Rift Zone (LERZ) continues with no significant change during the past 24 hours. Fountains from Fissure 8 spatter cone continue to supply lava to the open channel with only small, short-lived overflows. The spatter cone remains about 55 m (180 ft) tall at its highest point with low fountaining contained within the cone walls. As shown by the July 08 thermal map of the flow field, the main lava channel has reorganized and is nearly continuous to the ocean on the south side of the flow, expanding the ...
Categories: Volcano Reports

AVO Great Sitkin YELLOW/ADVISORY - No significant activity observed today.

USGS Volcano Current Alerts - Mon, 07/09/2018 - 17:30
Jul 9, 2018 20:05 - Unrest continues at Great Sitkin Volcano. No significant activity was observed in seismic data and clouds obscured views of the volcano by satellite over the past day. Great Sitkin Volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption would be accomplished using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

AVO Cleveland ORANGE/WATCH - No significant activity observed today.

USGS Volcano Current Alerts - Mon, 07/09/2018 - 17:30
Jul 9, 2018 20:05 - Unrest continues at Cleveland volcano. No significant activity was observed in seismic, pressure sensor (infrasound), or satellite data over the past day. Cleveland volcano is monitored by only two seismic stations, which restricts AVO's ability to detect precursory unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption may be possible using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; summit collapse-explosion events continue almost daily.

USGS Volcano Current Alerts - Sun, 07/08/2018 - 16:31
Jul 8, 2018 21:18 - Kīlauea Volcano Lower East Rift Zone The eruption in the lower East Rift Zone (LERZ) continues with no significant change during the past 24 hours. Fountains from Fissure 8 spatter cone continue to supply lava to the open channel with only small, short-lived overflows. The spatter cone is now about 55 m (180 ft) tall at its highest point, and fountains rarely rise above that point. As shown by the July 06 thermal map of the flow field, the main lava channel no longer directly enters the ocean—the open channel flow ends about 2 km (1.2 mi) inland of the coast. Lava ...
Categories: Volcano Reports

AVO Great Sitkin YELLOW/ADVISORY - No significant activity observed today.

USGS Volcano Current Alerts - Sun, 07/08/2018 - 16:31
Jul 8, 2018 19:34 - Unrest continues at Great Sitkin Volcano. Seismicity remains only slightly above background levels. No significant activity was observed in seismic data and clouds obscured views of the volcano by satellite over the past day. Great Sitkin Volcano is monitored with a local real-time seismic network, which will typically allow AVO to detect changes in unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption would be accomplished using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

AVO Cleveland ORANGE/WATCH - No significant activity observed today.

USGS Volcano Current Alerts - Sun, 07/08/2018 - 16:31
Jul 8, 2018 19:34 - Unrest continues at Cleveland volcano. No significant activity was observed in seismic, pressure sensor (infrasound), or satellite data over the past day. Cleveland volcano is monitored by only two seismic stations, which restricts AVO's ability to detect precursory unrest that may lead to an explosive eruption. Rapid detection of an ash-producing eruption may be possible using a combination of seismic, infrasound, lightning, and satellite data.
Categories: Volcano Reports

HVO Mauna Loa GREEN/NORMAL - Seismicity and deformation reduced to near-background levels.

USGS Volcano Current Alerts - Sat, 07/07/2018 - 22:31
Jul 8, 2018 03:30 - HVO seismic and deformation monitoring networks have been recording near-background levels of seismicity and ground motion at Mauna Loa Volcano for at least the last six months. These observations indicate that the volcano is no longer at an elevated level of activity. Accordingly, on June 21, HVO reduced the Mauna Loa alert level to NORMAL and the aviation color code to GREEN.
Categories: Volcano Reports

HVO Lo`ihi UNASSIGNED/UNASSIGNED - No activity of concern.

USGS Volcano Current Alerts - Sat, 07/07/2018 - 22:31
Jul 8, 2018 03:30 - No significant activity in June. HVO recorded 6 earthquakes in the vicinity of Lō‘ihi.
Categories: Volcano Reports

HVO Hualalai GREEN/NORMAL - No activity of concern.

USGS Volcano Current Alerts - Sat, 07/07/2018 - 22:31
Jul 8, 2018 03:30 - No significant activity in June. HVO recorded 4 earthquakes in the vicinity of the volcano. HVO's continuously recording Global Positioning System (GPS) receiver atop Hualālai recorded no significant deformation.
Categories: Volcano Reports

HVO Haleakala GREEN/NORMAL - No activity of concern.

USGS Volcano Current Alerts - Sat, 07/07/2018 - 22:31
Jul 8, 2018 03:30 - No significant activity in June. No earthquakes were recorded in the vicinity of the volcano and the continuously recording Global Positioning System (GPS) instrument atop Haleakalā volcano recorded no significant deformation.
Categories: Volcano Reports

HVO Mauna Kea GREEN/NORMAL - No activity of concern.

USGS Volcano Current Alerts - Sat, 07/07/2018 - 22:31
Jul 8, 2018 03:30 - No significant activity in June. HVO recorded 8 earthquakes greater than 13 km (8 miles) depth and 32 earthquakes shallower than 13 km (8 miles) depth in the vicinity of the volcano. The shallow earthquakes do represent a modest increase compared with previous months. A single, continuously recording Global Positioning System (GPS) receiver atop Mauna Kea (operated by NASA’s Jet Propulsion Laboratory) recorded no significant deformation.
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; sporadic ash emissions continue from Halema'uma'u

USGS Volcano Current Alerts - Sat, 07/07/2018 - 15:31
Jul 7, 2018 18:30 - Kīlauea Volcano Lower East Rift Zone The eruption in the lower East Rift Zone (LERZ) continues with no significant change during the past 24 hours. Fountains from Fissure 8 spatter cone continue to supply lava to the open channel with small, short-lived overflows early last night. The spatter cone is now about 55 m (180 ft) tall at its highest point, and fountains rarely rise above that point. As shown by the July 06 thermal map of the flow field, the main lava channel no longer reaches the coast, the channel flow seems to stall about 2 km (1.2 mi) inland of the ...
Categories: Volcano Reports

HVO Kilauea ORANGE/WARNING - LERZ lava eruption ongoing; sporadic ash emissions continue from Halema'uma'u

USGS Volcano Current Alerts - Fri, 07/06/2018 - 17:30
Jul 6, 2018 21:25 - Kīlauea Volcano Lower East Rift Zone The eruption in the lower East Rift Zone (LERZ) continues with no significant change during the past 24 hours. Fountains from Fissure 8 spatter cone continue to supply lava to the open channel with intermittent small, short-lived overflows. The spatter cone is now about 55 m (180 ft) tall at its highest point, and fountains rarely rise above that point. As shown by the July 02 thermal map of the flow field, the main lava channel no longer reaches the coast, the channel flow seems to stall about 0.8 km (0.5 mi) inland of the coast; ...
Categories: Volcano Reports

AVO Great Sitkin YELLOW/ADVISORY - Color Code/Alert Level lowered to GREEN/NORMAL this week.

USGS Volcano Current Alerts - Fri, 07/06/2018 - 17:30
Jul 6, 2018 20:01 - Unrest at Great Sitkin Volcano resumed this week prompting AVO to raised the Aviation Color Code and Volcano Alert level to YELLOW/ADVISORY based on an increase in earthquake activity. Seismic activity over the past week has been above background levels. Other than possible weakly elevated surface temperatures observed in satellite data on July 2, no significant activity has been observed in satellite data over the past week and AVO has received no reports of activity at the volcano. The most recent significant activity was a small emission of ash and steam on June 10, ...
Categories: Volcano Reports

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