Seismic velocity structure of the upper inner core in the north polar region

• Main Authors: Toshiki Ohtaki, Satoru Tanaka, Satoshi Kaneshima, Weerachai Siripunvaraporn, Songkhun Boonchaisuk, Sutthipong Noisagool, Kenji Kawai, Taewoon Kim, Yuki Suzuki, Yasushi Ishihara, Koji Miyakawa, Nozomu Takeuchi
• Other Authors: Geological Survey of Japan
• Format: Article
• Published: 2022
• Subjects: Earth and Planetary Sciences; Physics and Astronomy
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/76867
• Institution: Mahidol University

The Earth's upper inner core has a quasi-hemispherical velocity structure. One of the two quasi-hemispheres has a high-velocity region centered beneath Southeast Asia and is referred to as “East”. The remaining low-velocity region is referred to as “West”. The boundary positions between the qua...