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Earthquake swarm detected around underwater volcano near Hawaii

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Earthquake swarm detected around underwater volcano near Hawaii


HONOLULU, Hawaii – Seismologists believe a recent uptick in earthquake activity off the coast of Hawaii’s Big Island is likely associated with the movement of magma beneath an underwater volcano, but even if an eruption were imminent, it would not lead to major impacts for the archipelago.

The United States Geological Survey says it has detected dozens of earthquakes around Kamaʻehuakanaloa, with at least two measuring greater than a magnitude 4.0.

The underwater volcano is located about 30 miles southeast of the Big Island – far enough away that the earthquake swarm has rarely been felt.

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The agency says previous swarms around the volcano have led to thousands of tremors but did not result in eruptions that affected the islands.

“Elevated seismicity continues at Kamaʻehuakanaloa, but it is not expected to impact other volcanoes or any infrastructure on the Island of Hawaiʻi. The source of the earthquakes is difficult to determine at this time, but it may be related to the movement of magma beneath Kamaʻehuakanaloa. Prior swarms related to probable eruptions at the volcano have consisted of thousands of earthquakes over days to weeks. Eruptive activity at this volcano would have no impact on residents of the Island of Hawaiʻi,” the Hawaiian Volcano Observatory stated.

WATCH: KILAUEA’S VOLCANIC ERUPTION IN HAWAII SHOWS MOTHER NATURE’S RAW POWER

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The name “Kamaʻehuakanaloa” was changed in 2021 from “Lōʻihi” by the Hawaii Board on Geographic Names in an effort to preserve the indigenous Hawaiian language and traditions.

The name roughly translates into ‘the child of the deep ocean,’ reflecting the mountain’s status off the Hawaiian coast.

Kamaʻehuakanaloa is a shield volcano similar to the more notorious Kīlauea and Mauna Loa mountains on the Big Island. 

The underwater volcano rises about 10,200 feet above the ocean floor but even at its tallest peak, is still several thousand feet below the ocean surface, according to the USGS.

The volcano’s last known eruption occurred in 1996, with only around a handful of episodes during the last 150 years.

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4 CLASSIC TYPES OF VOLCANOES

The Hawaiian Volcano Observatory said it is closely monitoring the situation but has not issued any increased alerts.

Kilauea is currently the most volcano on the islands with occasional steam rising from a lava flow field, but the observatory says the mountain is not actively erupting.



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The Places Visitors Love Most In Hawaii Just Hit Their Limit

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The Places Visitors Love Most In Hawaii Just Hit Their Limit


If you’ve driven Hana Highway recently, as we have, tried to wedge your rental car onto the shoulder at Honolua Bay, inched along North Shore behind an hours-long nonstop line of brake lights, or followed a social media pin taking you to Hoopii Falls, Hawaii just put those exact places into specific future plans.

The state updated plans naming specific beaches, roads, trails, and bays where visitor pressure is highest and outlining what officials say could change at each. The first round of these (DMAPs) leaned heavily on broader goals and community meetings. The latest version, however, now lists the individual sites and attaches proposed actions. These are among the most in-demand places people build into their trips, not some policy abstractions.

Before assuming your next trip will look dramatically different, one basic reality is worth noting. The Hawaii Tourism Authority does not manage the roads, trails, bays, or neighborhoods in question, so the counties, DLNR, Hawaiian Home Lands, and private landowners will be needed to carry out most of what has just been described. In almost every case, the first year at least is focused on more studies, coordination, and setting up of what might come next.

Scenic Point from Road to Hana

Maui: Hana and Honolua finally get specific plans.

Maui’s plan centers squarely on the iconic Hana Highway, with six of the island’s nine site-specific actions targeting that single corridor.

The ideas are relatively straightforward. Paid community stewards at high-traffic stops such as Keanae Peninsula, a first-of-its-kind Hawaii tour guide certification program requiring culturally accurate mo’olelo (storytelling), safety guidance, and place-based knowledge instead of loosely scripted commentary, together with clearer signage identifying safe and legal pullouts while reminding drivers to let residents pass instead of backing up traffic for visitor photo opportunities.

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At Bamboo Forest off Hana Highway, the plan addresses repeated trespassing onto private land. There have been 35 rescues there over the past decade, most requiring use of emergency helicopters. The proposal calls for signage clearly indicating no access. But because that land is privately owned, any real restriction there depends on the owner’s full cooperation.

Honolua Bay carries perhaps the boldest concept of all in the statewide package of suggested changes, including a reservation and shuttle system to eliminate illegal roadside parking, a cultural trail staffed by stewards before visitors ever reach the water, and water stewards who will be paddling out to orient snorkel boat passengers. No procurement process has started, and no shuttle contract exists, so the idea remains on paper for now. Kaupo, where a recently paved road has attracted more traffic and complaints, would also get sensor-linked warning signs at blind hills to focus on driving safety.

Big Island: Kealakekua Bay may see closings.

Kealakekua Bay is the main headline site here, as might be expected. The draft introduces the possibility of “rest days” during coral spawning or other sensitive periods, coordinated by the DLNR, when the bay would be closed to visitors. It is still a concept and would require coordination beyond HTA.

At Keaukaha near Hilo, cruise ship impacts drive the conversation ideas, and the community has pushed for a permanent role in shaping how visitor flow is handled around the port. A steward program piloted in 2023 is now being formalized rather than remaining as a short-term experiment.

South Point, or Ka Lae, sits on Hawaiian Home Lands, so the state’s role here is to support the Department of Hawaiian Home Lands’ existing plan rather than create a new one from scratch. Hilo itself is described as needing more visitor activity even as other Big Island sites seek to manage crowding.

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Kaena Point State Park OahuKaena Point State Park Oahu

Oahu: North Shore, pillboxes, and parking reality.

On Oahu, it’s the iconic North Shore that anchors the plan. Five sequenced actions are listed, but the first year focuses on studies, coordination, and groundwork.

There is no shuttle system scheduled for immediate rollout and no reservation platform ready to launch. During the public webinar, officials said any fees would be site-specific and pointed to the extremely limited parking infrastructure as a major constraint.

Lanikai Pillboxes and Maili Pillbox are cited as trails that have seen steep increases in use due to social media exposure. Lanikai already has daytime parking restrictions on residential streets between 10 am and 4 pm, and Maili has experienced a recent fatality. The plan for Lanikai is to evaluate managed access, while for Maili, it begins with determining who is responsible for the trail and what authority exists in order to manage it.

Downtown Honolulu appears in the draft as a future walkable corridor linking Iolani Palace, Honolulu Hale, and nearby historic sites and shops.

Waipo'o Falls Trail at Waimea Canyon KauaiWaipo'o Falls Trail at Waimea Canyon Kauai

Kauai: this waterfall became a neighborhood fight.

Hoopii Falls in Kapaa has become one of the most tense sites in the statewide plans. What was once a local waterfall became a high-traffic destination after intense social media exposure. The trail crosses private, lease, and state lands and is not formally maintained, and residents have placed rocks and tree stumps at neighborhood access points to slow or block visitor flow. The plan’s near-term focus is to gather more data and bring landowners together to clarify jurisdiction and what can legally be done before any formal access system is devised.

The Kapaa Crawl along Kuhio Highway is listed as a priority, but the proposed response, which is a shuttle and visitor hub concept centered on Coconut Marketplace, has no funding, no operator, and no timeline.

Kokee and Waimea Canyon are also included. Two of four proposed actions are already deferred beyond the first funding year, and the near-term steps focus has moved to installing visitor counters and studying whether a reservation system would be feasible.

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What changes on your next trip.

Across all four islands, social media is repeatedly cited as a significant accelerant, turning lesser-known spots into must-see stops almost overnight. And in that regard, there is no end in sight.

There are no additional statewide fees attached to these newly identified sites, no disclosed budgets for even the most ambitious concepts, and HTA does not gain or lose any new enforcement authority through these drafts.

If you are visiting in the coming months, you are unlikely to encounter reservation systems at Honolua Bay, formalized rest-day closures at Kealakekua, shuttles operating on the North Shore, or state-managed access changes at Ho’opi’i. Most of what is described for year one is groundwork.

You can review the full island-by-island drafts here: https://www.hawaiitourismauthority.org/what-we-do/destination-management-action-plans/

Do these plans go far enough or too far at the sites you know best?

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Hawaii County Surf Forecast for March 04, 2026 | Big Island Now

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Hawaii County Surf Forecast for March 04, 2026 | Big Island Now


Forecast for Big Island Windward and Southeast


Shores Tonight Wednesday
Surf Surf
PM AM AM PM
North Facing 2-4 2-4 2-4 2-4
East Facing 3-5 4-6 4-6 5-7
South Facing 1-3 1-3 1-3 1-3
TONIGHT
Weather Mostly cloudy. Numerous showers.
Low Temperature In the upper 60s.
Winds East winds 5 to 10 mph.
Tides
Hilo Bay High 1.9 feet 03:26 PM HST.
Low -0.1 feet 09:20 PM HST.
High 2.4 feet 03:40 AM HST.
WEDNESDAY
Weather Partly sunny. Numerous showers.
High Temperature In the upper 70s.
Winds East winds 10 to 15 mph.
Tides
Hilo Bay Low -0.1 feet 10:00 AM HST.
High 2.0 feet 04:04 PM HST.
Sunrise 6:37 AM HST.
Sunset 6:27 PM HST.

Forecast for Big Island Leeward


Shores Tonight Wednesday
Surf Surf
PM AM AM PM
West Facing 2-4 2-4 2-4 1-3
South Facing 1-3 1-3 1-3 1-3
TONIGHT
Weather Mostly sunny until 6 PM, then mostly
cloudy. Hazy.
Low Temperature In the upper 60s.
Winds West winds around 5 mph early in the
afternoon, becoming light and variable.
Tides
Kona High 1.5 feet 04:04 PM HST.
Low -0.1 feet 09:57 PM HST.
High 1.9 feet 04:18 AM HST.
Kawaihae High 1.4 feet 04:36 PM HST.
Low -0.1 feet 10:20 PM HST.
High 1.9 feet 04:38 AM HST.
WEDNESDAY
Weather Partly sunny. Hazy.
High Temperature In the mid 80s.
Winds Light and variable winds, becoming west
around 5 mph in the afternoon.
Tides
Kona Low -0.1 feet 10:37 AM HST.
High 1.6 feet 04:42 PM HST.
Kawaihae Low -0.2 feet 11:01 AM HST.
High 1.6 feet 05:13 PM HST.
Sunrise 6:41 AM HST.
Sunset 6:31 PM HST.

The current moderate northwest swell will continue a gradual decline through Thursday. A small west-northwest swell will arrive on Friday and hold through the weekend, followed by a small north-northwest swell early next week. Choppy east shore surf will build to near seasonal average by Wednesday as trade winds strengthen over and east of the islands. Little change is expected along east facing shores through the weekend, followed by a possible decline early next week if winds veer southerly. Surf along south facing shores will remain small to tiny through the weekend, and some islands may an increase in choppy surf if southerly winds develop early next week.

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NORTH EAST

am        pm  

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Surf: Minimal (ankle high or less) surf.

Conditions: Semi choppy with ESE winds 5-10mph in the morning increasing to 10-15mph in the afternoon.

NORTH WEST

am        pm  

Surf: Minimal (ankle high or less) surf.

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Conditions: Clean in the early morning with ESE winds less than 5mph. Bumpy/semi bumpy conditions move in during the morning hours with the winds shifting W 5-10mph.

WEST

am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Semi glassy in the morning with N winds less than 5mph. Bumpy/semi bumpy conditions for the afternoon with the winds shifting WNW 5-10mph.

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SOUTH EAST

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am        pm  

Surf: Minimal (ankle high or less) surf.

Conditions: Light sideshore texture in the morning with NE winds 10-15mph. This becomes Sideshore texture/chop for the afternoon.

Data Courtesy of NOAA.gov and SwellInfo.com



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Hawaii delegation continues to blast U.S. attack on Iran | Honolulu Star-Advertiser

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Hawaii delegation continues to blast U.S. attack on Iran | Honolulu Star-Advertiser




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