Features: Deep Ocean Trenches and island arcs such as of Japan Aleutian Islands (of Alaska)

2. Oceanic-Oceanic - 2. Oceanic-Oceanic - ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Features: Deep Ocean Trenches and island arcs such as of Japan Aleutian Islands (of Alaska)

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2. Oceanic-Oceanic - 2. Oceanic-Oceanic - ________________________________________________________________________________________________________________________________________________________Deep powerful earthquakes, subduction

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We are going to fly over Alaska and the Aleutian Islands

Aleutian Islands

What features should we be looking for?

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Unimak Island Page 11

Unimak Island

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trenchPut with convergent plate boundary or volcanoes

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_____________________

-

- Features:

Convergent Boundary (Ocean-ocean)

Strong, deep earthquakesTrench, volcanic island arcs

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Subduction and Earthquake Depth

BLUE= shallow YELLOW= moderate RED= deep

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Continental crust colliding with continental crust

What features do we expect to find here?

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__________________

-

- Features:

Convergent Boundary (Continental-continental)

Strong, deep quakes

Folded Mountains

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__________________

-

- Features:

Convergent Boundary (Continental-continental)

Strong, deep quakes

Folded Mountains

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We’re off to Southeastern Asia, one of the best places to observe this type of plate boundary!

India

China

Nepal

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3. Continental-3. Continental-

ContinentalContinental

India colliding with Asia forming the Himalaya Mountains

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Himalayas

IndiaChina

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Mount Everest, Nepal

29,035 feet tall! (8850 meters)

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________________

-

Transform Boundary (Strike-slip fault)

Moderate, shallow quakes

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c. Transform Plate Boundaries- c. Transform Plate Boundaries- __________________________________________________________________________San Andreas Fault

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The San AndreasFault in California

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The most famous and most active transform fault

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A. Divergent Plate Boundaries- ____________________________________________________________________

1. Ocean (example)- _________________1. Ocean (example)- _________________

Where two plates are moving apart

Mid Atlantic Ridge

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______________________________________

--

- Features: - Features:

Divergent Plate Boundaries

Usually minor quakes, shallow depth

Mid- ocean ridges, volcanoes, & rift valleys

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2323

Earthquake Depth and Plate Tectonic Setting, Selfos, Iceland (June 2000)

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Plate Boundaries Data TableLocation Type of Boundary

Divergent Convergent Transform

East Pacific Ridge

Aleutian Trench

West side of the South American Plate

San Andres Fault

✔✔

✔✔

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Note Packet pages 12-13 questions 1-13Note Packet pages 12-13 questions 1-13

1. A2. C3. D4. A5. D6. D7. C

8. 19. C10.They move the

lithospheric plates

11. 35°N, 18°W12. Divergent13. Located on a

hot spot