BRYAN EATON/Staff photo. Amesbury Middle School science teacher Gale Regis shows students in groups the jump in seismic waves from the school's seismometer which recorded the earthquake about six miles northeast of the city near East Kingston, N.H. on Thursday morning. From, from left, Isabelle Penny and Ella Pothier, and back, Natalie Ward and Ava Maurer, all 12. Earthquakes are part of the students curriculum and they build their own seismometers for testing each spring.

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