Why is the ocean less studied than space? How do scientists collect data from the deep sea? What can cause a tsunami—and can humans accidentally trigger one? Igor Medvedev, Head of the Tsunami Laboratory at the Institute of Oceanology of the Russian Academy of Sciences; Dmitry Glukhovets, Head of the Ocean Optics Laboratory at the Institute of Oceanology of the Russian Academy of Sciences; and Alexander Gavrikov, Head of the Ocean-Atmosphere Interaction Laboratory at the Institute of Oceanology of the Russian Academy of Sciences, spoke to Drobyshevsky about these issues.

00:00 "Drobyshevsky Plus." Tsunamis
01:06 What is oceanology?
03:03 How do scientists collect data from the ocean?
10:09 Is the ocean less studied than space?
12:02 How justified are the millions spent on ocean research?
20:33 How often do tsunamis occur?
27:19 When does a tsunami become dangerous?
28:46 Record Tsunamis
32:01 What are the average tsunamis?
33:40 About paleotsunamis
36:43 What other types of tsunamis are there?
45:44 What was the tsunami like after the Toba eruption?
48:26 How do tsunamis spread?
52:10 Are there cases of two tsunamis colliding at the same time?
53:59 Can humans somehow cause a tsunami?
58:04 What does a tsunamiologist even do?
1:00:25 How do tsunami warning services work?
1:04:32 Why are tsunamis predicted?
1:07:54 How long does it take from an eruption to a tsunami?
1:10:09 Was Atlantis sunk by a tsunami?
1:13:51 Is it true that animals sense the approach of a tsunami?
1:16:10 Was there a global flood, and will there be another?

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