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Definition of Harmonic tremor
1. Noun. (geology) A rhythmic shaking of the ground detectable by a seismograph, and associated with volcanic activity. Often a symptomatic warning of an eruption. ¹
¹ Source: wiktionary.com
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1. Noun. (geology) A rhythmic shaking of the ground detectable by a seismograph, and associated with volcanic activity. Often a symptomatic warning of an eruption. ¹
¹ Source: wiktionary.com