AVO lowered both the Aviation Color Code and the Volcano Alert Level for Davidof to Unassigned on 21 April, noting that the earthquake swarm which began in January had declined in the previous few weeks. It is unknown if the swarm was due to tectonic processes or volcanic unrest. The level ?Unassigned? means that there is not sufficient instrumentation on the volcano for AVO to characterize a base level of activity; the closest seismometer was on Little Sitkin (15 km E).
A satellite image of Davidof volcano on 2 Apr (image: Sentinel 2)
The swarm of small earthquakes, that began on 24 January, has been decreasing over the past few weeks.
Thu, 17 Mar 2022, 09:53
According to AVO the earthquake swarm that began on 24 January in the vicinity at Davidof continued at least through 15 March with a few small earthquakes recorded each day by seismometers on Little Sitkin (15 km E). The rate was variable, though the total number of events was similar to the previous week. The Aviation Color Code remained at Yellow and the Volcano Alert Level remained at Advisory.
Read allThu, 10 Mar 2022, 18:22
A satellite image of Davidof volcano on 3 March (image: Sentinel 2)
The swarm of small earthquakes that began on 24 January continued over the past few days at least through 8 March detected by seismometers located on Little Sitkin, 15 km east of the volcano.
Read allWed, 9 Mar 2022, 18:59
According to AVO the earthquake swarm that began on 24 January in the vicinity at Davidof continued at least through 8 March with a few small earthquakes recorded each day by seismometers on Little Sitkin (15 km E). The earthquakes were shallow (less than 10 km deep) and the largest recorded during the last 7-10 days was a M 3.9. The swarm was either related to tectonic processes or volcanic unrest.
Read allThu, 3 Mar 2022, 00:50
According to AVO the earthquake swarm that began on 24 January in the vicinity at Davidof continued at least through 1 March with a few small earthquakes recorded each day. The swarm was either related to tectonic processes or volcanic unrest. The Aviation Color Code remained at Yellow and the Volcano Alert Level remained at Advisory.
Read allWed, 23 Feb 2022, 18:46
According to AVO the earthquake swarm that began on 24 January in the vicinity at Davidof continued at least through 22 February with a few small earthquakes recorded on most days. The swarm was either related to tectonic processes or volcanic unrest. The Aviation Color Code remained at Yellow and the Volcano Alert Level remained at Advisory.
Read allWed, 16 Feb 2022, 12:41
An earthquake swarm, either related to tectonic processes or volcanic unrest, began in the vicinity of Davidof on 24 January. The swarm continued at low levels during 9-13 February with small earthquakes recorded on most days. A shallow M 2.9 earthquake located 5 km N of the volcano was recorded on 11 February.
Read allThu, 10 Feb 2022, 09:25
An earthquake swarm, either related to tectonic processes or volcanic unrest, began in the vicinity of Davidof on 24 January. The swarm continued at low levels during 1-8 February with daily small earthquakes. The Aviation Color Code remained at Yellow and the Volcano Alert Level remained at Advisory.
Read allThu, 3 Feb 2022, 00:27
An earthquake swarm, either related to tectonic processes or volcanic unrest, was recorded in the vicinity of Davidof during 25-26 January. The largest earthquake was a M 4.9 recorded at 1602 on 25 January. AVO raised the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory due to the possibility of escalating volcanic unrest.
Read allThu, 27 Jan 2022, 04:42
Davidof volcano from the satellite on 3 December (image: Sentinel 2)
A swarm of earthquakes occurred at the volcano over the past two days.
Read allWed, 29 Dec 2021, 16:26
AVO lowered both the Aviation Color Code and the Volcano Alert Level for Davidof to Unassigned on 31 December, noting that the earthquake swarm that had begun in early December had subsided. The closest seismometers are approximately 15 km E, on Little Sitkin Island. Davidof is also monitored by satellite data and remote infrasound and lightning networks.
Read allWed, 15 Dec 2021, 16:13
AVO reported that the earthquake swarm at Davidof declined during 14-21 December with up to two shallow earthquakes recorded per day. A shallow earthquake recorded on 17 December was a M 3.9. The closest seismometers are approximately 15 km E, on Little Sitkin Island.
Read allSun, 12 Dec 2021, 06:00
Earthquake swarms either related to tectonic processes or volcanic unrest were recorded in the vicinity of Davidof during 8-10 December. The largest earthquake was a M 4.2 recorded at 1045 on 10 December. AVO raised the Aviation Color Code to Yellow and the Volcano Alert Level to Advisory due to the possibility of escalating volcanic unrest.
Read allSat, 11 Dec 2021, 04:35
The satellite image of Davidof volcano in 2020 (image: AVO)
A swarm of earthquakes occurred at the volcano over the past week and is still ongoing.
Read all