Tremors may occur in an active region.Logical formLearned from3 sentences. Tremors can be in a hand.Logical formLearned from3 sentences. Casualties can be from a tremor.Logical formLearned from3 sentences. A tremor may reduce parts of province to rubble.Logical formLearned from3 sentences. Some tremor can be strong.Logical formLearned from3 sentences. Tremors may cause a swath of damage.Logical formLearned from3 sentences. Depth may give a tremor impact.Logical formLearned from3 sentences. Tremors may indicate that something-is-the-case.Logical formLearned from3 sentences. A tremor may measure magnitude.Logical formLearned from3 sentences. An activity of volcanic tremor may increase.Logical formLearned from3 sentences. Tremors may continue under a crater.Logical formLearned from3 sentences. Monitors may detect tremors.Logical formLearned from3 sentences. Hundreds of tremors may shake an area.Logical formLearned from3 sentences. A wave may be spawned by a tremor.Logical formLearned from3 sentences. A seismologist may detect (ground tremors).Logical formLearned from3 sentences.