Question 1

Recent archaeological research has revised the estimated age of ancient structures on Tongatapu, Tonga, indicating they were built around what year A.D.?

Accepted Answer

300 A.D.

Question 2

According to a 2024 report, the South-West Pacific experienced its hottest year on record, with significant increases in which of the following climate indicators?

Accepted Answer

Sea surface temperatures and marine heatwaves

Question 3

What significant discovery regarding human migration into the Pacific was made with the finding of the oldest plant artifact outside of Africa, located in West Papua?

Accepted Answer

It indicates humans were skilled seafarers and arrived before 50,000 years ago.

Question 4

The Pacific Ring of Fire has shown an unprecedented surge in volcanic activity. How many confirmed eruptions occurred in 2024 from 65 different volcanoes, a significant increase from previous years?

Accepted Answer

74

Question 5

Researchers have discovered 24 new deep-sea amphipod species in the Clarion-Clipperton Zone (CCZ) of the central Pacific Ocean. What notable evolutionary finding was also part of this discovery?

Accepted Answer

A new family and an entirely new superfamily of amphipods.

Question 6

A new analysis by NASA's sea level change team indicates that by the 2050s, nearly all Pacific Island nations will experience an increase in high-tide flooding days by what factor?

Accepted Answer

An order of magnitude

Question 7

Recent genomic studies of Near Oceania populations have revealed interbreeding with which group of ancient hominins?

Accepted Answer

Denisovans

Question 8

The 'State of the Climate in the South-West Pacific 2024' report highlighted that 2024 was the warmest year on record for the region. What was a key contributing factor mentioned in the report?

Accepted Answer

The 2023-2024 El Niño event

Question 9

In the deep Pacific Ocean, scientists discovered a formation on the ocean floor that resembled a 'yellow brick road' at a depth of over 3,000 meters. What geological process is thought to be responsible for this formation?

Accepted Answer

Volcanic activity and seamounts

Question 10

The Pacific Ring of Fire has seen a significant increase in seismic activity. What was the magnitude of a notable earthquake on May 23, 2026, that occurred west of the Kamchatka Peninsula and displayed an unusual faulting mechanism?

Accepted Answer

5.3

Question 11

A recent study utilizing measurements of rare isotopes in a ferromanganese crust from the Pacific Ocean concluded that debris from a giant cosmic explosion is still reaching Earth. Approximately how long ago did this explosion occur?

Accepted Answer

1 billion years ago

Question 12

What is a key objective of the Innovation Grant Facility (IGF) for Pacific Agro-SMEs, which supports agribusiness development in countries like Fiji and Samoa?

Accepted Answer

To provide grants for accessing knowledge, technologies, and expertise to improve agribusiness.

Question 13

In the South-West Pacific, 2024 saw unprecedented ocean warming. According to the WMO report, approximately how much of the global ocean surface was affected by marine heatwaves?

Accepted Answer

Over 10%

Question 14

Australian astronomers, using a new technology called CRACO with the ASKAP radio telescope, have recently discovered new astronomical objects. Which of these was NOT among the discoveries mentioned?

Accepted Answer

Brown dwarf planets

Question 15

The 'State of the Climate in the South-West Pacific 2024' report noted an unprecedented tropical cyclone season in the Philippines. How many storms occurred between September and November 2024?

Accepted Answer

12

Oceanic Frontiers: Ancient Cities, Volcanic Fury, and Deep-Sea Discoveries Across the Pacific

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