Mon 28 March 2022, 22:00
10:00 p.m. | BY: SEVERAL CONTRIBUTORS
Map of today’s active volcanoes
Seismic trace of the ROSA station on the island of São Jorge, showing small earthquakes and what could be an episode of tremor (image:
Distribution of earthquakes on the island of São Jorge in an elongated NW-SE zone (image: CIVISA)
Tokyo Volcanic Ash Advisory Center ash plume warning
Satellite image of the Dukono volcano on March 28, 2022
São Jorge (Azores, Portugal): While hundreds of people have already left the island, especially from Velas, the authorities seem to be taking the situation very seriously. Contingency plans are activated and the army sets up camps in case people need to evacuate their homes.
…March 28:
Preliminary satellite radar data confirms that a section of the northern part of the island, roughly corresponding to where the recent earthquakes occurred, has experienced uplift.
This almost certainly confirms that deep magma intrusion is the cause of the seismic swarm.
… [read more]
…March 28:
The volcano-seismic crisis on the island continues.
Seismic instruments recorded about 839 earthquakes at midnight and 10 p.m. local time today, although seismic activity has decreased in recent days. All detected earthquakes are characterized by low magnitude levels and tectonic origin so far.
Source: Seismovolcanic Information and Volcano Activity Monitoring Center of the Azores updated March 27, 2022
Kita-Ioto (volcanic islands): A new eruption began on the remote island volcano yesterday afternoon. According to the Japan Meteorological Administration (JMA), explosions in the underwater Funka Asane crater near Ioto Island produced plumes of ash and steam that reached an altitude of 24,000 feet (8,000 m ) and drifted northeast.
The eruptions continued throughout the night. Media reports suggest the activity is underwater. Aircraft and ships have been warned to avoid the area due to the risk of plumes of ash, gas, as well as floating pumice and other debris from the eruption.
… [read more]
Suwanose-jima (Ryukyu Islands): (March 28) Volcanic Ash Advisory Center Tokyo (VAAC) has issued the following report: VA AT 20220328/0505Z SUWANOSEJIMA FL080 EXTD N-NE REPORTED
Semeru (East Java, Indonesia): (March 28) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume that rose to an estimated altitude of 15,000 feet (4,600 m) or flight level 150.
The full report is as follows: VA TO FL150 MOV N OBS FM GND AT 27/2340Z OBS VA DTG: 27/2340Z at 15,000 ft (4,600 m)
Dukono (Halmahera): (March 28) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume that rose to an estimated altitude of 8,000 feet (2,400 m) or flight level 080.
The full report is as follows: CONTINUOUS VA TO FL080 OBS 28/0010Z MOV ENE to 8000 ft (2400 m)
Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) in Washington warned of a volcanic ash plume that rose to an estimated altitude of 16,000 feet (4,900 m) or flight level 160.
The full report is as follows: FREQUENT VA EMS to 16000 ft (4900 m)
Nevado del Ruiz (Colombia): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) in Washington warned of a volcanic ash plume that rose to an estimated altitude of 22,000 feet (6,700 m) or flight level 220.
The full report is as follows: VA EMS OBS at 22,000 feet (6,700 m)
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) published the following report: VA NOT IDENTIFIABLE FM STLT DATA
Nevados de Chillán (Central Chile): (March 28) The Buenos Aires Volcanic Ash Advisory Center (VAAC) released the following report: NOT DETECTED
Volcano activity summary for March 28, 2022:
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