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Kīlauea Volcano Update for Tuesday, April 15

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Kīlauea Volcano Update for Tuesday, April 15


(BIVN) – The ongoing eruption at the summit of Kīlauea remains paused as of Tuesday morning, and scientists expect the next episode of lava activity to begin at any moment. 

The USGS Hawaiian Volcano Observatory reported Monday night that if prior patterns of inflation hold, Episode 18 is likely to start between now and late Wednesday. 

Overnight, both the north and south vents within Halemaʻumaʻu crater were degassing and displaying a strong glow. 



USGS webcam view of the volcanic vents at the summit of Kīlauea

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The USGS HVO posted this analysis on Monday:

The current eruption has been characterized by episodic fountaining not seen in any of the other Halemaʻumaʻu eruptions since 2020. Fountains and lava flows have erupted from two vents that we refer to as the north vent and south vent. Each of the previous 16 fountaining episodes lasted from a few hours to over a week and has been accompanied by strong deflation of the summit region. Pauses between the fountaining episodes have been marked by an immediate change from deflation to inflation as the magma chamber recharges and repressurizes.

USGS: “This reference map depicts the Kīlauea summit eruption within Halema‘uma‘u crater that began on December 23, 2024. As of this posting on April 9, the eruption has had seventeen episodes, with the most recent concluding earlier this morning. However, most of the map data included here were collected during a Hawaiian Volcano Observatory helicopter overflight on April 2, immediately following episode 16; for this reason, the provided statistics only reflect the first sixteen episodes of the eruption. Additionally, the collected data were insufficient to calculate the total lava volume for the eruption at that time.”



Analysis of inflationary tilt patterns prior to the onset of each fountaining episode allows a time window of probability for the onset of new episodes to be estimated. These are calculated using both minimum inflation necessary to start a new eruption and the rate of inflation fit to data derived from past eruptive episodes. The onset of episode 17 occurred earlier than forecasted, as the fountaining began prior to the tilt rebounding to the expected threshold that had been previously associated with episode onsets. If the eruption returns to pre-episode 17 inflation behavior, data suggest episode 18 is likely to start as early as today or as late as Wednesday of this week, within the 0-3 days, with Tuesday most likely. This window may be adjusted if inflation rates change significantly. Based upon prior cycles of fountaining and deflation, episode 18 fountaining is likely to be less than 24 hours long.

The USGS Volcano Alert Level for Kīlauea is WATCH.





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Flood advisory in effect for Oahu, Maui and Hawaii island | Honolulu Star-Advertiser

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Flood advisory in effect for Oahu, Maui and Hawaii island | Honolulu Star-Advertiser


UPDATE: 11:13 a.m.

A flood advisory is in effect for Oahu until 2:15 p.m. today due to flooding caused by excessive rainfall.

At 11:09 a.m., the radar showed heavy rain developing and traveling slowly eastward over Oahu.

“The heaviest rain is currently over the western half of the island, but is expected to fill in and move over the remainder of the island over the next few hours. Rain was falling at a rate of 0.5 to 2 inches per hour,” forecasters said.

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Some locations that will experience flooding include Honolulu, Waipio, Mililani, Pearl City, Waikele, Wahiawa, Wheeler Field, Waipahu, Aiea, Kunia, Halawa, Waiahole, Waikane, Schofield Barracks, Salt Lake, Kahaluu, Moanalua, Ahuimanu, Iroquois Point and Ewa Beach.

Meanwhile, the flood advisories have been extended for Hawaii County and 1:45 p.m. and Maui County until 2:30 p.m.

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At 10:30 a.m., the radar showed heavy rain moving over portions of the Puna and Kau coasts. Rain was falling at a rate of 1 to 2 inches per hour, with the heaviest rates of up to 3 inches per hour between Hawai‘i Volcanoes National Park and Pahoa, including portions of Pahoa Kalapana Road and Highway 11.

Some locations that will experience flooding include Hilo, Hawaii Volcanoes National Park, Volcano, Glenwood,

Mountain View, Wood Valley, Hawaiian Acres, Pahala, Orchidlands Estates, Keaau, Pahoa, Punaluu Beach, Kawa Flats, Papaikou, Naalehu, and Fern Forest.

At 11:04 a.m., the radar showed heavy rain over portions of eastern Maui. Rain was falling at a rate of 1 to 2 inches per hour with the highest rainfall rates in the upslope areas between Kaupo and Nahiku.

“While no significant impacts have been noted as of yet, additional rainfall over that area today is expected to produce more flooding concerns,” forecasters said.

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The flood watch remains for all Hawaiian Islands.

EARLIER COVERAGE

A flood watch is in effect for all Hawaiian Islands today through Monday afternoon due to the possibility of flash flooding caused by excessive rainfall, according to the National Weather Service.

A deepening Kona low north of Kauai is expected to move southwest today and Monday before turning west. Thunderstorms and heavy showers will affect the region over the next couple days leading to the flash flood threat. Winds may strengthen to wind advisory levels Monday for lower elevations and high wind warnings on Hawaii island summits. Lingering moisture may keep rain over the state through the week.

>> Prepare for rainy weather as Kona low hits Hawaii

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“Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams,” according to the forecast. “Urban areas may receive more significant flooding and property damage due to rapid runoff. Significant flooding may occur due to the overflow of streams and drainages. Landslides may also occur in areas with steep terrain.”

The greatest flood risk is along the southeastern mountain slopes of Maui and Hawaii counties as deep moisture spreads up the slopes.

The flood watch may be extended into Tuesday if weather conditions persist.

Flood advisories are also in effect for Hawaii County until 10:45 a.m. today, while Maui County will remain in effect until 11:30 a.m. today.

At 7:45 a.m. today, the Hawaii island radar indicated heavy rain traveling over portions of Puna and Kau coasts. Rain was falling at a rate of 1 to 2 inches per hour, with isolated heavier rainfall rates of 3 inches per hour between Pahala and Pahoa including areas of Pahoa Kalapana Road and Highway 11.

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Some locations that will experience flooding include Hilo, Hawaii Volcanoes National Park, Volcano, Glenwood, Mountain View, Wood Valley, Hawaiian Acres, Pahala, Orchidlands Estates, Keaau, Pahoa, Punaluu Beach, Kawa Flats, Papaikou, Naalehu, and Fern Forest.

At 8:19 a.m. today, the Maui County radar showed heavy rain continuing to develop and move over the eastern portions of the island. Rain was falling at a rate of 1 to 2 inches per hour with the highest rates and totals found in the upslope areas between Kaupo and Nahiku.

Some locations that will experience flooding include Kipahulu, Kaupo, Hana, Haleakala National Park and Hamoa.



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Volcanic Ash: Tom Coffman a must read for understanding Hawaii | Honolulu Star-Advertiser

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Volcanic Ash: Tom Coffman a must read for understanding Hawaii | Honolulu Star-Advertiser




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Hawaii delegation raises legal concerns over Venezuela

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Hawaii delegation raises legal concerns over Venezuela


HONOLULU (KHON2) — Three of Hawaii’s Congressional Delegation released statements on Saturday, Jan.3, in response to President Trump’s overnight operation in Venezuela.

“At a time when Americans can’t afford rent, healthcare, or groceries, the Trump administration found time and money for regime change in Venezuela, risking a war that Americans don’t want. Before we spend another dollar on this reckless conflict, the American people deserve answers, including what this administration’s exit strategy is. Americans wanted help and hope in 2026, not another war,” said Tokuda.

U.S. Representative Jill Tokuda (HI-02)

Others echoed concerns about the legality of the operation, pointing to both international law and the U.S. Constitution. While acknowledging Venezuela’s political situation, some members of Hawaii’s congressional delegation said military action raises serious questions that extend beyond the actions of any one leader.

“Nicholas Maduro is an illegitimate and oppressive dictator and the people of Venezuela deserve better. But that alone doesn’t justify an armed attack on a sovereign country and forced regime change in violation of international law,” said Case. “And unless there was an imminent threat to our country, it doesn’t justify violating our Constitution and war powers law, which wisely reserves to Congress the grave decision to go to war.”

U.S. Representative Ed Case (HI-01)

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Case also emphasized that Congress plays a critical role in decisions involving war and military force.

“I don’t yet know the full facts or the President’s justification to attack Venezuela, place our troops in harm’s way, capture Maduro and administer the country,” said Case. “But the precedent of any President taking our country to war arbitrarily, single-handedly and without the approval of Congress has cascading effects that are far more dangerous.”

U.S. Representative Ed Case (HI-01)

Senator Brian Schatz also weighed in, saying the operation could put American lives and interests at risk.

“President Trump is jeopardizing American lives and interests — and stating plainly that the purpose is for U.S. oil companies to make money in Venezuela. Either these companies knew about these plans in advance, or he’s ordering corporations to be a part of his effort to overthrow another government,” said Schatz. “This operation is illegal under international law and unconstitutional without prior congressional approval. The United States should not be running other countries for any reason. We should have learned by now not to get involved in endless wars and regime change missions that carry catastrophic consequences for Americans.”

U.S. Senator Brian Schatz (D-Hawai‘i)

Hawaii’s congressional lawmakers stressed that, while the situation in Venezuela is complex, military action should not be taken lightly.

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“Nicolas Maduro should be held accountable for his actions, but Donald Trump’s unilateral decision to overthrow his regime does nothing to make our country safer. Instead, without any authorization from Congress or any clear plan for what comes next, Trump is plunging our nation into a conflict that could put American lives at risk while destabilizing the region and our relationships with our allies,” said Hirono. “Trump’s characteristically chaotic suggestion that the U.S is “going to run” Venezuela indefinitely, without any details, shows his disregard for the consequences of decades of misguided American intervention around the world. Trump promised to “end forever wars” and not engage in regime change. As usual, he says one thing and does another.”

U.S. Senator Mazie K. Hirono (D-HI)

With questions still surrounding the operation, Hawaii’s congressional leaders say transparency and oversight are critical moving forward. They stated that decisions of this extent should not be made without the involvement of Congress or the public.



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