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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Ground strains induced by the 2022 Hunga-Tonga volcanic eruption, observed by a 1500-m laser strainmeter at Kamioka, Japan

Fig. 3

Strain data preparation process. The theoretical tide (compression negative) was calculated using GOTIC2 and weighted (green) to best reproduce the raw observed strain (red). Their difference gives a detided strain (blue). Arbitrary offset is added to each curve for clarity. The arrows indicate a tiny glitch associated with the arrival time of the first Lamb wave (\({L}_{1}\))

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