![]() Seismic activity remained low and on 20 June HVO reported that the eruption had paused.ĬENAPRED reported that ongoing activity at Popocatépetl during 14-20 June included 39-180 daily steam-and-gas emissions, sometimes containing minor amounts of ash. Around 1600 on 19 June activity rapidly declined, shown by a drop in the SW lake surface, decreased seismicity, and a transition to inflationary tilt from the deflationary trend of the previous two days. This activity continued into 19 June as the crater floor continued to rise, circulation in central basin slowed, and flows from the base of the SW wall cone changed paths. The central basin level has been dropping relative to the rising crater floor (due to lava accumulation underneath), allowing several flows from the SW lava lake to cascade into the basin.īy 16 June, renewed activity on the SW wall was producing vigorous fountaining to at least 10 m high with some higher spatters, with lava flowing into the SW lake. At 0800 on 15 June the top of the SW wall cone collapsed, leading to nearly constant spattering from the top vent and a change in activity from the base vent. Additionally, lava circulation continued within the central basin. The surface of the SW lava lake slowly rose about 0.5 m per day during 13-15 June. Other eruptive vents within the SW lava lake (previously dome fountains) had ceased by 13 June. Lava flows from vents at the base and top of a cone on the SW wall of Halema'uma'u entered the lava lake in the far SW portion of the crater intermittent spattering from the cone was visible at night. Activity was characterized by effusion primarily from the vent on the SW wall of the crater, circulation within the crater lakes, slow rise of the crater floor, eruptive tremor, and elevated sulfur dioxide levels (4,500-6,300 tonnes per day). HVO reported that the eruption on the floor of Kilauea’s Halema'uma'u Crater continued during 14-20 June. The Alert Level remained at 3 (on a 0-5 scale), and residents were reminded to stay away from the 6-km-radius Permanent Danger Zone (PDZ). The Disaster Response Operations Monitoring and Information Center (DROMIC) reported that by 20 June there had been 38,975 people affected, 20,139 displaced, and 18,749 taking shelter in 28 evacuation centers across Albay. Ashfall during 15-16 June was reported in the communities of Buga (36 km W), Nabonton (9 km W), Ligao (16 km W), Purok 7 (12 km S), and San Francisco (11 km SW). By 20 June lava flows reached 2.5 km down the Mi-Isi and 1.8 km down the Bonga drainages, and debris flows extended 3.3 km from the crater. Lava flows remained active, with debris collapses throughout the week sending material into the Mi-Isi (S) and Bonga (SE) drainages. The total number of rockfalls ranged from 265-309 events per day, resulting from partial collapses of the growing lava dome and lava flows. Sulfur dioxide emissions ranged from 149-193 tonnes per day (t/d) during 13-14 June, rising to 826-1,004 t/d during 15-18 June (above normal baseline values of 500 t/d), and then dropping to 389 t/d on 19 June. PHIVOLCS reported that lava-dome extrusion at Mayon’s summit crater continued during 14-20 June, generating frequent lava flows and pyroclastic density currents (PDCs, or pyroclastic flows), and additional evacuations. Complete updates are done about every 6-8 weeks, but information about newer eruptions can be found in the Weekly Report. An eruption listed here might have ended since the last data update, or at the update time a firm end date had not yet been determined due to potential renewed activity. The most recently started eruption is at the top, continuing as of the Stop Date given. The Smithsonian / USGS Weekly Volcanic Activity Report (WVAR) for the week ending on 20 June 2023 includes the 22 volcanoes shown below marked "Yes" in the WVAR column (rollover for report). Additional annual eruption data is available for recent years. There are typically 40-50 continuing eruptions, and out of those generally around 20 will be actively erupting on any particular day (though we do not keep detailed statistics on daily activity). An eruption marked as "continuing" does not always mean persistent daily activity, but indicates at least intermittent eruptive events without a break of 3 months or more. Overall, 48 volcanoes were in continuing eruption status as of 9 June 2023.
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