ŸÃÖã­ÖÖ´Öß (Tsunami) Kaaola samaud`taLavar Jaalaolyaa BaUkMpaamauLo inamaa-Na haoNaa%yaa mahakaya laaTaMnaa tsaunaamaI Asao mhNataata

ha japaanaI Sabd Aaho. खोल समुद्रामध्ये त्सुनामीची तरंगलांबी २०० कि.मी. व तरंगउंची १ मीटर असते. त्यावेळी वेग साधारण ताशी ८०० कि.मी. असतो.

त्सुनामींचे दोन प्रकार – स्थानिक वा निकटक्षेत्र (Local or Nearfield) दूरस्थ वा दूरक्षेत्र (Distant or Farfield/Remote)

tsaunaamaI inamaI-taIcaI karNao ÃÖ´Öã¦üŸÖôûÖ¾Ö¸üᯙ ³ÖæÓú¯ÖÖ´Öæôêû samaud`taLavar Jaalaolyaa jvalaamauKaI {d`okamauLoà

tsaunaamaI inamaI-taIcaI karNao भूगर्भीय हालचाली- समुद्रतळाशी होणारे भूस्खलन (landslides)- http://geology.com/articles/tsunami-geology.shtml

tsaunaamaIcao pairNaama ijavaItahanaI va iva<ahanaI

baMdraMcao naUksaana baaoTI va jahajaaMnaa jalasamaaQaI. payaa-varNa va pairsaMsqaovar pairNaama

Tsunami waves radiated away from the fault that produced the earthquake and produced damage across the Indian Ocean.

BANDA ACEH, INDONESIA: June 23, 2004 A satellite image of the waterfront area of Aceh province's capital city before the tsunami.

BANDA ACEH, INDONESIA: December 28, 2004 An image taken after the tsunami shows destroyed housing and the shoreline nearly wiped out.

Gleebrook Village:June 23rd 2004 Before DigitalGlobe

Gleebrook Village: December 28th 2004 After. DigitalGlobe

Photographic sequence from hotel balcony in Thailand (1 of 2)

Photographic sequence (2 of 2)

Detecting a tsunami Pressure recorder on bottom of ocean Buoy to communicate readings via satellite Tsunami Warning Centers issue warning

Tsunami Warning Centers Hawaii and Alaska

Tsunami Hazard Mitigation Since there’s no way to prevent tsunami, mitigation emphasizes warning and zoning.

Sumatra Tsunami 2004 A emergency reaction example (thanks to Benz, USGS)

Propagation, Response and Warning Times for the M9.0 Sumatra EQ Northern Sumatra Significant structural damage in Banda Aceh Tsunami inundation along the Sumatran coast EQ is widely felt throughout the region NEIC Short period alarm on eight stations in the region PTWC Short period alarm on western Pacific stations 10 minutes after OT P S Short-period alarm stations

Propagation, Response and Warning Times for the M9.0 Sumatra EQ Northern Sumatra Tsunami inundation spreads further along the Sumatran coast NEIC Short period alarm on sixteen stations In the region Mb6.2, Mwp8.2 earthquake located off the north coast of Sumatra Pager notification to duty seismologists and others at PTWC Mwp8.2 earthquake located off the north coast of Sumatra No tsunami advisor for the Pacific Ocean 12 minutes after OT P S 90

Propagation, Response and Warning Times for the M9.0 Sumatra EQ Northern Sumatra Tsunami inundation spreads further along the Sumatran coast and reaches the Nicobar Islands NEIC First automatic location released at NEIC Pager notification to about 10 people in the USGS PTWC Confers with NEIC on the location and magnitude of the Earthquake Release Tsunami Information Bulletin 16 minutes after OT P S

Measuring from Space? Great 2004 Sumatra tsunami wave 2 hours after quake In the future, it may also be possible to detect tsunami waves from space. The 2004 tsunami happened to coincide with a satellite flyover that permitted calculation of the sea surface elevation, and thus the tsunami wave. Tsunami wave height measured by satelites

Philippines, Drill In all cases, people have to practice so that they can evacuate quickly. This is a tsunami evacuation drill in the Philippines.

Once a tsunami wave has been positively identified, warnings go out to places in advance of the wave. These are tsunami sirens in Hawaii.