The Philippine Trench is an
oceanic trench, a depression in the seafloor that tends to count among the
deepest places of the ocean floor. It runs from the northern Maluku islands of
Indonesia going north-northwest, running along the Philippine Sea east of
Mindanao and the Visayas before veering towards Luzon. It is separated from the
Luzon Trench to its north by the Benham, or Philippine Rise. As stated, ocean
trenches are as deep as the ocean can get, and the Philippine Trench has the
Emden deep, touted as the third deepest place on Earth. Ironically, no Filipino
has even gone down those depths, until now.
GMA News reports that at last, a Filipino scientist has descended
into the third deepest part of the Earth’s oceans, Emden Deep in the Philippine
trench. Dr. Deo Florence Onda, an associate professor at the University of the
Philippines (UP) and an oceanographer, made the nationally historic descent
before noon this past Tuesday, March 23. He was part of a deep-sea exploration
team from EYOS Expeditions, under the sponsorship of Caladan Oceanic, a private
oceanographic company founded by American deep-sea explorer Victor Vescovo.
Vescovo and Dr. Onda were aboard a Deep Submergence Vehicle (DSV) that went
into the Emden Deep.
Emden Deep is 10,045 meters or
34,100 feet at its deepest point. For comparison, the highest mountain on Earth
above sea level, Mount Everest, will be completely submerged in the water, and
more than a dozen Burj Khalifa skyscrapers of Dubai (the world’s current
tallest building at 828 meters) can be stacked end to end from seafloor to sea
level. So extreme is the depth that Ondo and Vescovo reached their destination
down below before Tuesday noon, when they cast off from their mother-ship the
DSSV Pressure Drop, at 6:30 AM earlier in the morning.
Before going on his momentous
journey into the ocean deep, Dr. Onda wrote his reflections on what he was
about to do on Facebook, calling the descent a giant leap for the country and
something Filipinos can be proud to count among their national heritage. “With
the ship are the Filipino crew who are contributing their skills and talents to
make the voyages and dives safe and meaningful,” he says, noting the Filipino
crewmen of the DSSV Pressure Drop ship. “They are the reasons why the aquanauts
are able to accomplish their missions and tell tales of the deep seas.”
Onda was in good hands in this
trip with his veteran companion Vescovo, a retired US Navy man turned undersea
explorer. He holds the current record for the deepest manned ocean descent
since 2019 when he went down by DSV into the Mariana Trench, deepest place on
Earth bar none.
Image: Rappler
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