Aktiivsed vulkaanid

 
KuvaAsukohtKirjeldus
KuvaKilauea (United States)

During 18-24 April HVO reported that the lava lake continued to rise, fall, and spatter in Kilauea?s Overlook crater. The lake level was high, and by late on 21 April had overflowed the S crater rim. As of midday on 23 April the new flows has covered about 16 ha of the floor, or about 30%. Overflows of the crater rim continued through 24 April, flowing as far as 375 m onto the N, SW, and S parts of the crater floor. HVO noted that the overflows were the first significant ones since May 2015. Surface lava flows were active above Pulama pali. On 18 April geologists observed the pit crater on the W side of Pu'u 'O'o Crater, noting that overflows had built up the crater rim to several meters above the crater floor and 7 m higher compared to late March.

Source: US Geological Survey Hawaiian Volcano Observatory (HVO)

KuvaAira (Japan)

JMA reported that there were eight events and 13 explosions at Minamidake crater (at Aira Caldera?s Sakurajima volcano) during 16-23 April. Tephra was ejected as far as 1.1 km from the crater, and plumes rose as high as 2.5 km above the crater rim. At 0038 on 22 April an explosion produced an ash plume that rose 3.3 km and ejected tephra as far as 1.3 km. Crater incandescence was visible on most nights. The Alert Level remained at 3 (on a 5-level scale).

Source: Japan Meteorological Agency (JMA)

KuvaSabancaya (Peru)

Observatorio Vulcanológico del Sur del IGP (OVS-IGP) and Observatorio Vulcanológico del INGEMMET (OVI) reported that explosive activity at Sabancaya increased compared to the previous week; explosions averaged 19 per day during 16-22 April. Seismicity was dominated by long-period events, with a rise in signals indicating emissions. Gas-and-ash plumes rose as high as 2.2 km above the crater rim and drifted 40 km NW, W, and SW. The MIROVA system detected five thermal anomalies, and on 17 April the sulfur dioxide gas flux was high at 3,421 tons/day. The report noted that the public should not approach the crater within a 12-km radius.

Sources: Instituto Geofísico del Perú (IGP),Instituto Geológico Minero y Metalúrgico (INGEMMET)

KuvaMayon (Philippines)

PHIVOLCS reported that during 18-24 April white steam plumes from Mayon drifted NW, W, SW, and NE. Crater incandescence was visible at night. The sulfur dioxide flux was 796 tonnes/day on 17 April. The Alert Level remained at 2 (on a 0-5 scale) and PHIVOLCS reminded residents to stay away from the 6-km-radius Permanent Danger Zone and the 7-km Extended Danger Zone on the SSW and ENE flanks.

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)

KuvaEbeko (Russia)

Volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, observed explosions during 15 and 17-19 April that sent ash plumes as high as 2.6 km (8,500 ft) a.s.l. The Aviation Color Code remained at Orange (the second highest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

KuvaDukono (Indonesia)

Based on analyses of satellite imagery, wind model data, and notices from PVMBG, the Darwin VAAC reported that during 19-24 April ash plumes from Dukono rose to an altitude of 2.1 km (7,000 ft) a.s.l. and drifted in multiple directions.

Sources: Darwin Volcanic Ash Advisory Centre (VAAC),Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

KuvaAmbae (Vanuatu)

Vanuatu Geohazards Observatory (VGO) reported that during April the eruption from a cone in Ambae?s Lake Voui continued through 23 April, with ash emissions and some lava fountaining. Ash, scoria, and acid rain fell on the island. Observations on 21 April confirmed that the cone had grown, and that the crater in the center of the cone was larger; a small lake was present in the crater. The Alert Level remained at 3 (on a scale of 0-5), and the report reminded residents to stay at least 3 km away from the active crater.

Source: Vanuatu Geohazards Observatory

KuvaSinabung (Indonesia)

PVMBG reported that during 18-22 April gray-to-white plumes from Sinabung rose as high as 500 m above the crater rim and drifted in multiple directions. At 1604 on 20 April an event produced an ash plume that rose 3 km and pyroclastic flows that traveled 1 km down the E, SE, W, and NW flanks. The Alert Level remained at 4 (on a scale of 1-4), with a general exclusion zone of 3 km and extensions of 7 km on the SSE sector, 6 km in the ESE sector, and 4 km in the NNE sector.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

KuvaAgung (Indonesia)

PVMBG reported that although there were often foggy conditions during 18-24 April, white plumes were observed rising as high as 300 m above Agung?s crater rim and drifting E. The Alert Level remained at 3 (on a scale of 1-4) and the exclusion zone continued at a 4-km radius.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

KuvaLangila (Papua New Guinea)

Based on analyses of satellite imagery and model data, the Darwin VAAC reported that on 24 April an ash plume from Langila rose to an altitude of 4 km (13,000 ft) a.s.l. and drifted SW. An image acquired around six hours later indicated that the ash from the event had dissipated.

Source: Darwin Volcanic Ash Advisory Centre (VAAC)

KuvaKarymsky (Russia)

KVERT reported that the last explosive event at Karymsky occurred on 27 January, and the last thermal anomaly was detected on 26 March. The Aviation Color Code was lowered to Yellow (the second lowest level on a four-color scale).

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

KuvaSheveluch (Russia)

KVERT reported that a weak thermal anomaly over Sheveluch was identified in satellite images during 14-18 April. The Aviation Color Code remained at Orange.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

KuvaIbu (Indonesia)

PVMBG reported that at 0637 on 20 April an eruption at Ibu generated a gray-white ash plume that rose at least 600 m above the crater rim and drifted S. The Alert Level remained at 2 (on a scale of 1-4), and the public was warned to stay at least 2 km away from the active crater, and 3.5 km away on the N side.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)

KuvaKanlaon (Philippines)

PHIVOLCS reported that during 17-19 April dirty-white steam plumes from Kanlaon rose as high as 1.2 km above the crater rim and drifted SW, NW, and NE. White steam plumes rose 300-600 m and drifted SW and NW during 20-24 April. The Alert Level remained at 2 (on a scale of 0-5).

Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)

KuvaKirishimayama (Japan)

An explosive eruption at Iwo-yama (also called Ioyama, NW flank of Karakuni-dake), a stratovolcano of the Kirishimayama volcano group, occurred at 1555 on 19 April prompting JMA to raise the Alert Level to 3 (on a scale of 1-5). This was the first eruption in that area since 1768; frequent and recent activity has occurred from Shinmoedake (Shinmoe peak). Ash plumes rose as high as 500 m above new vents in the SE part of the crater, and a large amount of ejected tephra including boulders were deposited around the crater area. Webcams showed expansion of vents by 2100. A new fumarole was observed at 1630 on 20 April in the vicinity of the highway, on the W side of Iwo-yama. During overflights on 20 and 21 April scientists observed multiple vents with fumarolic emissions, and intermittent ejections of black-gray muddy water. The activity continued through 23 April.

Source: Japan Meteorological Agency (JMA)

KuvaMaly Semyachik (Russia)

KVERT reported that activity at Maly Semyachik increased during the second half of March; the ice covering the crater lake melted within a 5-6-day period, and a weak thermal anomaly was visible in satellite images. The Aviation Color Code was raised to Yellow (the second lowest level on a four-color scale) on 22 March. A weak thermal anomaly continued to be detected through 20 April, though no further activity prompted KVERT to lower the Aviation Color Code to Green.

Source: Kamchatkan Volcanic Eruption Response Team (KVERT)

KuvaNevados de Chillan (Chile)

Servicio Nacional de Geología and Minería (SERNAGEOMIN) Observatorio Volcanológico de Los Andes del Sur (OVDAS) reported continuing activity during 17-18 April associated with growth of the Gil-Cruz lava dome in Nevados de Chillán?s Nicanor Crater. Seismicity consisted of long-period events and tremor associated with explosions. The webcam recorded pulsating white gas emissions with possible ash, nighttime incandescence, and an intermittent ejection of ballistics from explosions. The Alert Level remained at Orange, the second highest level on a four-color scale. ONEMI maintained an Alert Level Yellow (the middle level on a three-color scale) for the communities of Pinto, Coihueco, and San Fabián.

Sources: Buenos Aires Volcanic Ash Advisory Center (VAAC) ,Oficina Nacional de Emergencia-Ministerio del Interior (ONEMI) ,Servicio Nacional de Geología y Minería (SERNAGEOMIN)

KuvaAmbrym (Vanuatu)

On 25 April the Vanuatu Geohazards Observatory (VGO) reported that the lava lakes in Ambrym?s Benbow and Marum craters continued to be active, and produced gas-and-steam emissions. The Alert Level remained at 2 (on a scale of 0-5); the report reminded the public to stay outside of the Permanent Danger Zone defined as a 1-km radius from Benbow Crater and a 2.7-km radius from Marum Crater.

Source: Vanuatu Geohazards Observatory

KuvaKuchinoerabujima (Japan)

JMA reported that a low-temperature thermal anomaly persisted near the W fracture in Kuchinoerabujima Shindake crater. In addition, both the number of volcanic earthquakes (generally occurring in a large quantity) and sulfur dioxide flux remained above baselines levels in August 2014. No eruptions have occurred since 19 June 2015, and deflation had been recorded since January 2016; the Alert Level was lowered to 3 (on a scale of 1-5).

Source: Japan Meteorological Agency (JMA)

KuvaPacaya (Guatemala)

INSIVUMEH reported increased activity at Pacaya?s Mackenney Crater during 18-19 April. Strombolian explosions ejected material as high as 50 m above the crater rim, and four lava flows traveled 200-500 m down the SW, W, and NW flanks. Strombolian explosions continued to be detected during 21-23 April.

Source: Instituto Nacional de Sismologia, Vulcanologia, Meteorologia, e Hidrologia (INSIVUMEH)


26. aprilli ekstreemumid 2008-2018

AastaMaks.KeskmineMin.
20186,6°C4,76°C1,4°C
20178,1°C3,24°C-0,7°C
201612,1°C3,57°C-0,6°C
201517,7°C8,58°C3,6°C
201419,5°C7,55°C-4,7°C
20139,1°C3,58°C-1,7°C
201217,4°C10,08°C3,8°C
201122,4°C10,59°C-0,2°C
201015,0°C6,41°C-3,2°C
200920,6°C10,84°C-0,4°C
200818,3°C8,81°C-2,4°C

Ilmateenistuse ennustus

0...5°C
6...12°C
1...6°C
7...12°C
1...6°C
9...13°C
0...5°C
8...17°C

Rõhkkonnad Eestis

PäevMadal- rõhkkondKõrg- rõhkkond
25.04.Madeleine
24.04.Madeleine
23.04.Onni
22.04.Lis
21.04.Lis

Ennustuse täpsuse jooksva kuu parimad

AllikasPäevi%
Yr.no191,86%
Yr.no290,78%
Yr.no389,41%
Forecast.io188,14%
Ilmateenistus 187,88%

Päevarekordid

Täna Tallinnas kõige soojem on olnud 24,2°C (1986) ja külmem -3,9°C (2003).

Täna Tartus kõige soojem on olnud 23,3°C (1986) ja külmem -7,3°C (2003).

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