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

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

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

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

5. tsaunaamaI inamaI-taIcaI karNao
भूगर्भीय हालचाली-
समुद्रतळाशी होणारे भूस्खलन (landslides)-

6. tsaunaamaIcao pairNaama
ijavaItahanaI va iva<ahanaI

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

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

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

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

11. Gleebrook Village:June 23rd 2004
Before
DigitalGlobe

12. Gleebrook Village: December 28th 2004
After.
DigitalGlobe

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

15. Photographic sequence (2 of 2)

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

17. Tsunami Warning Centers
Hawaii and Alaska

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

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

20. 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

21. 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

22. 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

23. 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

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

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