“SEISMOSCOPE” INVENTED IN CHINA IN 133 BC (HAN DYNASTY)

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Presentation transcript:

“SEISMOSCOPE” INVENTED IN CHINA IN 133 BC (HAN DYNASTY)

Collapsed buildings: Dec. 7, 1988, Armenia, M6.9, ~25,000 people died

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September 21, 1999 M 7.6 Taichung, Taiwan, killing 2,375 people. The quake toppled 13,000 high-rise apartments

Collapsed Buildings: 1985 Mexico City

Building collapse styles, Mexico City earthquake, 1985

Skyscraper swaying

Collapsed transportation infrastructure: Kobe

Collapsed freeway, 1989 Loma Prieta earthquake, CA

Collapsed freeway, 1971 San Fernando CA earthquake

Freeway damage, 1971 San Fernando earthquake (CA)

Earthquake retro-fitting on a bridge over the Willamette river, Oregon.

Collapsed freeway, 1971 San Fernando CA earthquake

Collapsed Infrastructure: 1964 Good Friday earthquake, Alaska

COMPRESSED RAILROAD, 1964 GOOD FRIDAY EARTHQUAKE, ALASKA

COLLAPSED BRIDGE, NIIGATA, JAPAN, JUNE 16, 1964, M=7.4

Soil Liquefaction: magnitude 7.4 earthquake on June 16, 1964 in Niigata, Japan

Ground moving and liquefaction on street Ground moving and liquefaction in park

Foundered/fractured ground: 1964 Good Friday earthquake, Anchorage hts., AK

Foundered/fractured ground: 1964 Good Friday earthquake, Anchorage hts., AK

Surface Rupture: magnitude of near Meckering, Australia

LANDSLIDING UNDER RAILROAD, SEATTLE, WA, APRIL 29, 1965, M=6.5

Landslides: 1994 Northridge earthquake, CA

Landslides: photo shows dust rising from landslides in Simi valley, CA after the 1994 Northridge earthquake

Landslides: aftershock of 2008 Seichuan earthquake, China

Landslides: 2008 Seichuan earthquake, China

Landslides: 2008 Seichuan earthquake, China

Dammed rivers: 2008 Seichuan earthquake, China

Cracked earthen dam: after 1994 Northridge earthquake

Slumped earthen dam: 1971 San Fernando earthquake

Slumped earthen dam: 1971 San Fernando earthquake Photo by Al Boost, taken from: Natural Disasters, by Patrick Abbot (used w/o permission)

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Sand blow:

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A 2-dimensional seismic gap

From: Natural Disasters, by Patrick Abbot (used w/o permission)

Building at USGS Menlo Park, retro-fitted to be earthquake-resistant Photo by Donald Hyndman, taken from: Natural Hazards and Disasters by Hyndman & Hundman (used w/o permission)

Photo by Patrick Abbot, taken from: Natural Disasters, by Patrick Abbot (used w/o permission)

techniques_for_earthquake_resistance.html

From: Natural Disasters, by Patrick Abbot (used w/o permission)

CENTER FOR THE STUDY OF ACTIVE VOLCANISM (CSAV) OUTREACH

From: Natural Disasters, by Patrick Abbot (used w/o permission)