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Hawaii: Earthquakes, Structure and Volcanism

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Presentation on theme: "Hawaii: Earthquakes, Structure and Volcanism"— Presentation transcript:

1 Hawaii: Earthquakes, Structure and Volcanism http://hvo.wr.usgs.gov/kilauea/ http://hvo.wr.usgs.gov/kilauea/

2 Hot Spots of the World

3 Mantle Plumes GSA: Plumes and Flood Basalts

4 Hawaii: What a load…

5 Lithospheric Flexure Watts and Zhong, 2000

6 Hawaii Flexure

7 Hawaii Plume from Global Seismology

8 Upper Mantle Tomography Wolfe et al.

9 Seismic and MT Tomo Laske et al.

10 Shallow Tomo Chouet, 2003

11 Magma from Tomography Chouet, 2003

12 Magma Plumbing from Microearthquakes Ryan et al., 1981

13 Seismicity of Hawaii

14 Loihi: The Newest Hawaiian Island

15 Volcanic Earthquakes USGS: Volcanic earthquakes “Tornillos” Swarms Volcanic Tremor

16 Earthquake Swarms: Kileaua Okubo and Nakata, 2002

17 The Hilana Fault Issue Cannon and Burgmann, 2001

18 Hilina Fault Geometry Cannon et al., 2001

19 Tsunami Potential

20 Models of Hilina Fault Geometry Morgan et al, 2000

21 Offshore structure Morgan et al, 2000

22 Offshore Structure seismics Morgan et al, 2000

23 Interpretation of Marine Data Morgan et al, 2000

24 GPS Measured Motion Courtesy J. Kauahekaua

25 GPS Deformation Budget Cannon et al., 2001

26 ERZ: Earthquake Tomography

27 ERZ Seismicity Wolfe et al, 2003

28 ERZ Seismicity Relocated

29 ERZ: Onshore-offshore experiment

30 ERZ: Controlled Source Tomography

31 Surface Geology of ERZ

32 In conclusion....


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