A recent study has uncovered fossils from a bygone era, revealing a glimpse into ancient oceanic disasters. The discovery of seafloor amber with wavelike patterns suggests that massive waves inundated what is now northern Japan 115 million years ago.
Seafloor Amber May Hold Hints of Ancient Tsunamis
Unveiling the Secrets of the Deep Sea
A recent study published in Scientific Reports has shed new light on the mysteries of ancient tsunamis, with researchers discovering a layer of amber that suggests massive waves inundated what is now northern Japan 115 million years ago.
Tsunamis have been a recurring phenomenon throughout human history, with evidence of devastating waves dating back to ancient civilizations.
Archaeological findings suggest that tsunamis struck coastal regions in Mesopotamia around 2800 BC, while another massive wave hit the Indus Valley Civilization around 1900 BC.
In Greece, the city of Helike was destroyed by a 'tsunami' in 373 BC.
These events demonstrate the catastrophic impact of tsunamis on ancient societies, often leading to mass displacement and loss of life.
The discovery was made by Aya Kubota and her team at the National Institute of Advanced Industrial Science and Technology in Tsukuba, Japan. They analyzed sediments quarried from a sand mine on Hokkaido‘s northernmost island, which were once at the bottom of the Pacific Ocean. The team found a peculiar layer of amber, characterized by wavelike patterns known as ‘flame structures.’
These formations are typically seen in amber when it is soft and interlocks with surrounding sediments. However, tree resin forms on land and solidifies quickly when exposed to air, suggesting that something must have rapidly transported the fresh resin out to sea to allow it to remain soft enough to form the flame structures.
The Aftermath of Ancient Tsunamis
The researchers‘ findings suggest that they were witnessing the aftermath of several ancient tsunamis, each depositing layers of resin-rich wood on the seafloor. This is a novel approach to studying ancient tsunamis, as amber has been used in the past to study geological events.
However, the team’s conclusions are not without controversy. Carrie Garrison-Laney, a geologist at Washington Sea Grant and liaison at the National Oceanic and Atmospheric Administration’s Center for Tsunami Research, expressed skepticism about the idea that tree resin would remain soft in cold ocean waters.
Implications for Understanding Ancient Tsunamis
While more evidence is needed to confirm the findings, the discovery of seafloor amber with wavelike patterns has significant implications for our understanding of ancient tsunamis. The fact that these formations are rare and only found in specific sediments suggests that they may be a valuable tool for studying these events.
Amber is a vibrant, golden-orange color that evokes feelings of warmth and energy.
Derived from the Arabic word 'anbar,' meaning 'ambergris,', this color has been prized for centuries for its unique properties.
In nature, amber is a fossilized tree resin that contains organic compounds, giving it a distinct hue.
Today, amber is used in various industries, including art, design, and fashion.
Its rich history and versatility have cemented its place as a beloved color around the world.
Further research is necessary to fully understand the significance of this discovery, but the study highlights the importance of exploring new sources of information in the search for answers about our planet’s history.
- sciencenews.org | Seafloor amber may hold hints of a tsunami 115 million years ago
