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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 3 | Geoscience Letters

Fig. 3

From: The source detection of 28 September 2018 Sulawesi tsunami by using ionospheric GNSS total electron content disturbance

Fig. 3

Validation by using circle method. Blue circle indicates that the possible tsunami source locations centering at Pantoloan-Sulteng tide gauge with radii of the inner edge of 24 km (= 80 m/s × 5 min) and the outer edge of 29 km (= 80 m/s × 6 min) km. Gray circle indicates that the possible tsunami source locations centering at the Palu beach area with radii of the inner edge of 34 km (= 80 m/s × 7 min) and the outer edge of 58 km (= 80 m/s × 12 min) km

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