23°C
Porth, Newquay, Cornwall. UK
Updated:  24/05/2026 20:30 
 


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Past 24 hours
Updated
24 May 2026 00:00
 
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Highest Temp
30.5 °C at
Frittenden 26.7 °C at
Hurn
 
Lowest Temp
7 °C at
Glenanne No 2 9.9 °C at
Okehampton, East Okement Farm
 
Precipitation
13 mm at
Achnagart 0.2 mm at
Cardinham, Bodmin
 
Sunniest
14 hours at
Nottingham, Watnall 12.4 hours at
Hurn
 
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Volcano Alerts and Activity Reports

Provided by usgs.gov Recent Volcano Observatory Activity Reports
Recent Volcano Observatory Activity Reports

Recent Volcano Updates from the U.S. Geological Survey Volcano Hazards Program

May 24th, 2026 15:36:45 EDT -0400 HVO Kilauea YELLOW/ADVISORY - The Halemaʻumaʻu eruption of Kīlauea is paused. Glow was visible from both eruptive vents overnight. Summit inflation continues, and forecast models suggest that episode 48 will occur sometime between Monday, May 25 and Tuesday, May 26.
May 24, 2026 19:10 - Overview:The Halemaʻumaʻu eruption of Kīlauea is paused. Glow was visible from both eruptive vents overnight. Summit reinflation has continued since lava fountaining episode 47 ended on May 15. Forecast models suggest that episode 48 will occur sometime between Monday, May 25 and Tuesday, May 26. No significant activity has been noted along Kīlauea’s East Rift Zone or Southwest Rift Zone.NOTE: Significant changes in activity between Daily Updates are posted here: https://www.usgs.gov/observatories/hvo/observatory-messages Summit Observations:Glow was visible from ...
May 24th, 2026 15:36:45 EDT -0400 AVO Great Sitkin ORANGE/WATCH - Slow eruption of lava within the summit crater continues.
May 23, 2026 18:03 - Small earthquakes associated with lava dome growth and rockfalls were detected in seismic data. Overnight satellite images indicated slightly elevated surface temperatures, consistent with slow lava advance. Webcam images of the volcano were obscured by clouds.The current eruption began in July 2021 and, since then, lava flows have filled most of the summit crater and advanced into valleys below. There have been no explosions at Great Sitkin Volcano since an event in May 2021. The volcano is monitored using local seismic and infrasound sensors, satellite data, webcams, ...
May 24th, 2026 15:36:45 EDT -0400 AVO Shishaldin YELLOW/ADVISORY - Ongoing unrest detected with seismic and infrasound events, minor gas emissions.
May 23, 2026 18:03 - Seismic and infrasound sensors continue to detect frequent small events. Steam emissions were visible in clear webcam images, and sulfur dioxide was detected in satellite images drifting east from the volcano. Local seismic and infrasound sensors, web cameras, and a geodetic network are used to monitor Shishaldin Volcano. In addition to the local monitoring network, AVO uses nearby geophysical networks, regional infrasound and lightning data, and satellite images to detect eruptions.
May 24th, 2026 15:36:45 EDT -0400 AVO Kupreanof YELLOW/ADVISORY - Unrest continues with earthquakes detected.
May 23, 2026 18:03 - A few small earthquakes were detected with regional seismic stations over the last day. Satellite images were obscured by clouds.There is no real-time geophysical monitoring network at Mount Kupreanof. The closest functioning seismometers are approximately 17 miles (27 km) to the east of the volcano as part of the Mount Veniaminof network. Mount Kupreanof is also monitored by satellite data, remote infrasound and lightning networks, and visual observations from pilots and mariners passing by the volcano.
May 24th, 2026 15:36:45 EDT -0400 CVO Cascade Range GREEN/NORMAL - All volcanoes are at normal levels.
May 22, 2026 18:32 - Activity Update: All volcanoes in the Cascade Range of Oregon and Washington are at normal background activity levels. These include Mount Baker, Glacier Peak, Mount Rainier, Mount St. Helens, and Mount Adams in Washington State and Mount Hood, Mount Jefferson, Three Sisters, Newberry, and Crater Lake in Oregon.Past Week Observations: During the past week, small earthquakes (less than or equal to M1.1) were detected at Mount Rainier, Mount St. Helens, and Newberry Volcano. All monitoring data are consistent with background activity levels in the Cascade Range. Crews were ...
May 24th, 2026 15:36:45 EDT -0400 CALVO GREEN/NORMAL - CA volcanoes were at normal background levels of seismicity and deformation during the past week.
May 19, 2026 18:21 - Monitored CALIFORNIA VOLCANOESCurrent Volcano Alert Level: all NORMALCurrent Aviation Color Code: all GREENActivity Update: All volcanoes monitored by CalVO show normal background earthquake activity and deformation. Monitored volcanoes include Mount Shasta, Medicine Lake Volcano, Lassen Volcanic Center, Clear Lake Volcanic Field, Long Valley Volcanic Region, Coso Volcanic Field, Ubehebe Craters, and Salton Buttes.Past Week Observations for May 11 (0000h PDT) to May 17 (2359h PDT):Typical seismicity was recorded at The Geysers geothermal field south of the Clear Lake ...
May 24th, 2026 15:36:45 EDT -0400 HVO Ofu-Olosega GREEN/NORMAL - No activity of concern for Ofu-Olosega.
May 7, 2026 20:30 - No significant activity was detected at Ofu-Olosega volcano during the past month. The USGS National Earthquake Information Center reported no earthquakes of magnitude 2.5 or greater in the vicinity of the volcano.
May 24th, 2026 15:36:45 EDT -0400 HVO Ta'u Island GREEN/NORMAL - No activity of concern for Taʻū Island
May 7, 2026 20:30 - No significant activity was detected at Taʻū volcano during the past month. The USGS National Earthquake Information Center reported no earthquakes of magnitude 2.5 or greater in the vicinity of the volcano. A Global Positioning System (GPS) instrument on Taʻū Island recorded no significant deformation.The FAGA broadband seismometer located on eastern Taʻū Island is currently out of service. The TAU broadband seismometer on western Taʻū Island remains operational.
May 24th, 2026 15:36:45 EDT -0400 HVO Tutuila Island GREEN/NORMAL - No activity of concern for Tutuila Island
May 7, 2026 20:30 - No significant activity was detected at Tutuila volcano during the past month. The USGS National Earthquake Information Center reported no earthquakes of magnitude 2.5 or greater in the vicinity of the volcano.
May 24th, 2026 15:36:45 EDT -0400 HVO Haleakala GREEN/NORMAL - No activity of concern for Haleakalā.
May 7, 2026 19:50 - No significant activity was detected at Haleakalā volcano during the past month. HVO seismometers recorded no earthquakes in the vicinity of the volcano. The continuously recording Global Positioning System (GPS) instrument on Haleakalā recorded no significant deformation in the past month.
May 24th, 2026 15:36:45 EDT -0400 HVO Hualalai GREEN/NORMAL - No activity of concern for Hualālai.
May 7, 2026 19:50 - No significant activity was detected at Hualālai volcano during the past month. Seismic activity remained low, and was representative of background activity levels at the volcano. The continuously recording Global Positioning System (GPS) instrument on Hualālai remains offline since March 15, 2026. HVO field engineers will service the station within the next few months to get it back online.
May 24th, 2026 15:36:45 EDT -0400 HVO Kama'ehuakanaloa UNASSIGNED/UNASSIGNED - No activity of concern for Kamaʻehuakanaloa.
May 7, 2026 19:50 - No significant activity was detected at Kamaʻehuakanaloa (formerly Lōʻihi Seamount) during the past month. Seismic activity remained low, and was representative of background activity levels at the volcano; all earthquakes were of small magnitudes.
May 24th, 2026 15:36:45 EDT -0400 HVO Mauna Kea GREEN/NORMAL - No activity of concern for Mauna Kea.
May 7, 2026 19:50 - Mauna Kea seismic activity has decreased and returned to long-term rates following a swarm in March, attributed to the underlying and inactive Kohala volcano. Continuous GPS instruments on Mauna Kea volcano did not record significant changes in ground deformation trends through April 2026.
May 24th, 2026 15:36:45 EDT -0400 HVO Mauna Loa GREEN/NORMAL - Mauna Loa earthquake counts slightly increased in March, and inflationary ground deformation continued.
May 7, 2026 19:50 - Mauna Loa had a slight increase in seismic activity compared to the previous month, with clustering of events under Mokuʻāweoweo and the upper Southwest Rift Zone still present. A total of 132 earthquakes were detected beneath Mauna Loa's summit region in the April reporting period, while March had 86 earthquakes. Data from Global Positioning System (GPS) instruments on Mauna Loa show variable rates of inflation at the summit over the past six months. This is associated with refilling of the summit reservoir system following the 2022 eruption.Gas and temperature data ...
May 24th, 2026 15:36:45 EDT -0400 AVO Aniakchak GREEN/NORMAL - Port Heiden Receive Facility repairs have sufficiently restored power, moving monitoring status of Aniakchak Volcano from UNASSIGNED to GREEN/NORMAL
May 5, 2026 22:31 - Power has been sufficiently restored to the Port Heiden Receive Facility, allowing stable data flow from Aniakchak seismic stations. There are now enough reliable data to establish the real-time state of the volcano. Due to this, Aniakchak Volcano is moving from UNASSIGNED to GREEN/NORMAL.Aniakchak Volcano had been at UNASSIGNED since December 23, 2025 due to a lack of data received from Aniakchak seismic stations following a power outage at the Port Heiden Receive Facility. Repairs have since been made to the Port Heiden Receive Facility, sufficiently restoring data flow ...

 

Volcano Alert Levels
NORMAL
Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state.
ADVISORY
Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
WATCH
Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway but poses limited hazards.
WARNING
Hazardous eruption is imminent, underway, or suspected.
UNASSIGNED

 

Aviation Alert Color Codes ICAO
GREEN
Volcano is in typical background, noneruptive state or, after a change from a higher level, volcanic activity has ceased and volcano has returned to noneruptive background state.
YELLOW
Volcano is exhibiting signs of elevated unrest above known background level or, after a change from a higher level, volcanic activity has decreased significantly but continues to be closely monitored for possible renewed increase.
ORANGE
Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, OR eruption is underway with no or minor volcanic-ash emissions [ash-plume height specified, if possible].
RED
Eruption is imminent with significant emission of volcanic ash into the atmosphere likely OR eruption is underway or suspected with significant emission of volcanic ash into the atmosphere [ash-plume height specified, if possible].