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Tuesday, July 25, 2017


Holoholo is a pigeon english word I've used since I was young, meaning going out for fun, many times associated with a leisurely ride.  15 Craigside has long offered a monthly van tour to various spots on Oahu.  More recently, our photography club has latched on and this past Sunday we were taken to Kualoa Regional Park and Laie Point.   At the end of this posting I also show what Molokai and Maui look like from Oahu, plus some dangerous nostalgia about Iwo Jima.

We left 15C (just above the first "l" in Honolulu in the top map) and drove to Kualoa Regional Park (lower right of bottom map).  Tony, our guide, talked about the Koolaus.  He correctly said this was not a traditional mountain range, for what you see is the inside of a very large crater, where the side we were currently driving on fell into the sea.  I covered this subject in SIMPLE SOLUTIONS for Planet Earth.  Here is a quote from this book in this blog site:

A particularly good example is the collapse on Oahu of Koolau Volcano a million years ago (give or take 500,000 years). Known as the Nuuanu Landslide or Nuuanu Debris Avalanche, where an apparent earthquake caused one third of the island to break off and fall into the sea. This might have been the largest landslide in the history of the planet, for just one chunk, known as the Tuscaloosa Seamount, is 20 miles (32 km) by 11 miles (18 km) and just more than one mile (1.8 km) high, and is located 60 miles (96 km) northeast of the Nuuanu Pali at a depth of 8800 feet (2680 m). As you drive towards Kaneohe/Kailua through the Pali or Wilson Tunnels and look back at the mountains, what you are viewing is that inside portion of the volcano that remained, although over the years, there has been considerable erosion and land build-up

That bathymetry shows these remnants.  Further:

Kenji Satake of the Japan National Institute of Advanced Industrial Science and Technology reconstructed the event and surmised on the resultant tsunami from computer models using digital bathymetric data obtained on cruises commissioned by the Japan Marine Science and Technology Center. Estimated were: volume of 3000 km3 and velocity range from 20 m/s to 100 m/sec. Calculated tsunami heights were 100 meters (328 feet) in north Oahu, but 30 meters (98 feet) on the opposite side of the island, Waikiki. Five hours after the slide, 10-40 meters hit the Pacific Northwest and 30-70 meters in California, and in eight hours, 5-10 meters on the Japanese coast. Satake indicated that the wave heights could well have been double those sizes in the Hawaii Islands.

At one time, Koolau Volcano was almost 10,000 feet tall, like Haleakala.  today, what you see is only 3100 feet high.  Here is the really scary part:  there are geological experts who say that this volcano can still someday again erupt!  The entire Hawaiian chain has now and then collapsed, with 16 other landslides clearly observable:

Well, that was my lesson for the day.  Most don't realize that Kualoa Regional Park is larger than Ala Moana Beach Park:  153 acres versus 100 acres.  Just one-third of a mile offshore is Mokolii Island, once called Chinaman's Hat, beginning with Lily.  I worked with her son Ed for three years in the U.S. Senate for Spark Matsunaga, where he met his wife Christine, who also was on the staff.

Laie Point Wayside Park should be a must stop for tourists.  This was the location of the cliff jump in Forgetting Sarah Marshall (which got decent reviews from Rotten Tomatoes:  85/76).  In reality, the setting is a lot more awesome and beautiful:

Not sure who that fisherman was, nor the girl taking a selfie, but that is our Wil in both shots.  Below, our guides, Tony from 15C and Laura from Arcadia:

Yesterday I took my own holoholo and noticed from the Diamond Head Lookout where cars are parked that you could see several islands on the horizon:

Former Hurricane Francesca must have cleared the air a bit on her way past Hawaii.

There remain six ocean storm, but Gregg and Irwin are not amounting to much.  Hilary is at 105 MPH and will further strengthen, but should fizzle before getting close to Hawaii:

Typhoon Noru seems now headed for Okinawa.  That is Japan to the top left.

As currently projected, Noru will roll over Iwo Jima.  Remember Sands of Iwo Jima, with John Wayne?  Rotten Tomatoes reviewers gave this film a 100 rating, and Wayne got an Academy Award nomination.  That iconic flag photo?  Mount Suribachi is on Iwo Jima.



assignments said...

With global warming being one of the biggest threats to planet earth at the moment, their should be more efforts put in these type of areas.


Yes, I certainly agree with you. Unfortunately, the President of the United States thinks global warming is a hoax. I know I can't influence him, but I keep trying: