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#SciOTD 𝗣𝗜𝗡𝗔𝗧𝗨𝗕𝗢 𝗘𝗥𝗨𝗣𝗧𝗜𝗢𝗡 𝗢𝗡 𝗜𝗡𝗗𝗘𝗣𝗘𝗡𝗗𝗘𝗡𝗖𝗘 𝗗𝗔𝗬 On this day in 1991, as the Philippines commemorated Independence Day, Pinatubo Volcano had its first major eruption, sending an ash column up to nearly 24 km high! Nearly 48 hours after the government raised the alarm and Clark Airbase evacuated, Pinatubo unleashed...

12,334 просмотров • 3 месяцев назад •via X (Twitter)

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🌋Kīlauea eruption episode 48 summary - a historic new record for Kīlauea! Episode 48 of the Kīlauea summit eruption in Hawai‘i Volcanoes National Park stopped at 1:37 pm HST June 1 after 9 hours of lava fountaining. This eruption has now surpassed the number of fountaining episodes in the opening years of the Puʻuʻōʻō eruption from 1983-1986 (47), setting a new record number of fountaining episodes in any one Kīlauea eruption. 🌋 Lava flowed from the south vent about 95 times in the days before episode 48, but only the north vent produced a lava fountain (up to 650 ft/200 m) during the episode. This pattern has been followed during the past several episodes. An estimated 7.3 million cubic yards (5.6 million cubic meters) of lava spilled across Halemaʻumaʻu. 💨 The eruptive plume rose to about 24,000 ft (7,300 m) above sea level; higher level winds from the south caused tephra to fall north and east of Kaluapele (Kīlauea caldera) at overlooks within Hawaiʻi Volcanoes National Park, as well as on Highway 11 near Nāmakanipaio Campground, Volcano village, Mauna Loa Estates, and Ohia Estates. The National Weather Service issued an ashfall advisory for these areas downwind. ⛔️ The USGS kept the Kīlauea alert level/aviation color code at WATCH/ORANGE throughout the episode because fallout was not extensive and did not last very long. After the episode ended, USGS lowered Kīlauea to ADVISORY/YELLOW reflecting that volcanic activity had decreased significantly but continues to be closely monitored for possible renewed increase. Kīlauea summit region inflation since the end of episode 48 indicates that another fountaining episode is possible; however, more time is needed to collect data to generate the model to forecast episode 49, which will set a another new record for Kīlauea. 📹 Video clips show Kīlauea episode 48 lava fountaining on June 1, 2026. #Kilauea #Lava #Eruption

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21,513 просмотров • 4 месяцев назад

Kīlauea Eruption Episode 46 Update May 5, 2026, 11:30 am HST Episode 46 of lava fountaining in Halemaʻumaʻu at the summit of Kīlauea began at 8:17 a.m. HST on May 5 and continues at this time. Lava fountains from the north vent are currently reaching 650 feet (200 m) above ground level and the eruptive plume is reaching 20,000 feet (6,000 m) above sea level. Lower-level winds from the southeast distributed some tephra to the northwest in the first hours of the eruption. First-sized and smaller clasts were reported at Uēkahuna overlook in Hawaiʻi Volcanoes National Park and between mile markers 31 and 32 on Highway 11. Hawaiʻi Volcanoes National Park temporarily closed some overlook areas on the west rim of the caldera, but Highway 11 remains open. Fallout in these areas has since decreased and the USGS is keeping Kīlauea Volcano Alert Level at WATCH and the Aviation Color Code at ORANGE. Higher-level winds are southwesterly, which suggests that the plume and tephra may be transported to the northeast with time as the eruption continues and the plume develops. The National Weather Service Ashfall Advisory remains in effect. Kīlauea has been erupting episodically since December 23, 2024, from two vents (north and south) in Halema‘uma‘u, in Hawai’i Volcanoes National Park. Lava fountaining episodes, which generally last for less than 12 hours, are separated by pauses that can be longer than three weeks. 🎥 Video of episode 46 on May 5, 2026. #Eruption #Kilauea #Lava

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13,315 просмотров • 5 месяцев назад

On This Day — June 4, 1967 Israel stood completely alone — betrayed by its allies and facing annihilation. France — Israel’s main arms supplier — imposed a total weapons embargo on Israel at the direct order of President Charles de Gaulle. Already, every major Western power, including the United States, had Israel under a weapons embargo. The Israeli Cabinet met in emergency session as massive Arab armies gathered on its borders. Egypt alone had nearly 100,000 troops and 1,000 tanks in Sinai, with Jordan, Syria, and Iraq adding more forces. Arab leaders were openly calling for Israel’s destruction. A cable from U.S. President Lyndon Johnson made the situation brutally clear: “Israel will not be alone unless it decides to go it alone.” Israel got the message. With no strategic depth, vastly outnumbered, and abandoned by its supposed friends, the Cabinet voted 12–2 to launch a preemptive strike on the largest Arab military, Egypt (which had already committed an act of war by closing the Straits of Tiran). The war would begin the next morning. The mood across Israel was somber and resolute. Parks were dug up for mass graves. Schools became bomb shelters. Teenagers filled sandbags. The entire nation understood it faced an existential threat — a potential second Holocaust. Yet on June 5, Israel acted. This was the moment a small, isolated nation chose survival over waiting for the mercy of others. Never forget how alone Israel truly was on the eve of the Six Day War.

Captain Allen

108,236 просмотров • 4 месяцев назад