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Earthquakes in New England

Earthquakes in New England. By: Laura Masinick and Chelsea Bonollo. Past. 6.0 mag. Cape Ann, MA, 1755 1927: Maine to Delaware First recorded: 1638 epicenter in c. NH 6.5-7 1940 Ossipee NH Seismographs in early 1900’s. Present. NE densely populated –more people at risk

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Earthquakes in New England

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  1. Earthquakes in New England By: Laura Masinick and Chelsea Bonollo

  2. Past • 6.0 mag. Cape Ann, MA, 1755 • 1927: Maine to Delaware • First recorded: 1638 epicenter in c. NH 6.5-7 • 1940 Ossipee NH • Seismographs in early 1900’s

  3. Present • NE densely populated –more people at risk • Solid bedrock=widespread but not as dangerous -40 times more • Historical and red brick structures • Updated building codes • Unknown how they happen here

  4. Cause (in NH) • Not caused by known faults (NE) • Far from plate boundaries • “intra-plate” activity • Sudden release of stress along a fault • Movement-rocks move past each other • Wave-like vibrations

  5. Probability • 40-50 per year • From 1638-2007 NH 360 earthquakes • NH is at a moderate risk

  6. Federal Emergency Management Agency (FEMA) • Preparation • What to do while • After

  7. Citations • http://images.huffingtonpost.com/gen/135095/US-FAULT-LINES.jpg • http://www.fema.gov/hazard/earthquake/risk.shtm • http://www.bing.com/images/search?q=+seismograph&view=detail&id=95B0B6B302F6279D7814D84BCF655B2949E486D2&first=1&FORM=IDFRIR&qpvt= • http://www.bing.com/images/search?q=FEMA+logo&view=detail&id=49943AE4AA114789586A30D9A2D4AB67EC1B3C15&first=1&FORM=IDFRIR&qpvt=

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