Was the recent tsunami in Indonesia caused by a 7.7 magnitude earthquake?

  • Context: Java 
  • Thread starter Thread starter Astronuc
  • Start date Start date
Click For Summary
SUMMARY

The recent 7.7 magnitude earthquake off the southern coast of Java, Indonesia, triggered a devastating tsunami that resulted in at least 550 fatalities and left over 270 individuals missing. The tsunami struck popular beach resorts, particularly in Pangandaran, where the lack of an effective warning system exacerbated the disaster. The earthquake's shallow depth and location in the Sunda Trench contributed to the tsunami's severity, prompting panic and subsequent aftershocks in the region.

PREREQUISITES
  • Understanding of seismic activity and earthquake magnitudes
  • Knowledge of tsunami formation and warning systems
  • Familiarity with the geographical features of the Sunda Trench
  • Awareness of disaster response protocols in coastal regions
NEXT STEPS
  • Research the mechanisms of tsunami generation following undersea earthquakes
  • Study the effectiveness of tsunami warning systems in coastal areas
  • Examine the geological characteristics of the Sunda Trench and its seismic activity
  • Investigate disaster preparedness strategies for communities at risk of tsunamis
USEFUL FOR

Emergency management professionals, geologists, coastal community planners, and anyone involved in disaster response and preparedness efforts will benefit from this discussion.

Astronuc
Staff Emeritus
Science Advisor
Gold Member
2025 Award
Messages
22,525
Reaction score
7,502
Magnitude 7.7 - SOUTH OF JAVA, INDONESIA - Tsunamis formed.
http://earthquakes.usgs.gov/eqcenter/recenteqsww/Quakes/usqgaf.php

http://news.yahoo.com/s/ap/20060717/ap_on_re_as/indonesia_earthquake

JAKARTA, Indonesia - A powerful earthquake sent a 6-foot-high tsunami crashing into beach resorts on Indonesia's Java island Monday, killing at least 69 people and leaving scores missing and sending thousands fleeing to higher ground, officials and witnesses said.

Regional agencies had issued bulletins that the 7.7-magnitude undersea earthquake was strong enough to send a killer wave steaming toward the country worst hit by the 2004 tsunami, but they did not reach the victims because the island has no warning system.

The hardest-hit area appeared to be Pangandaran, an idyllic beach resort long popular with local and foreign tourists, where witnesses said people shouted " Tsunami! Tsunami!" and climbed trees or crowded inland mosques as the wave approached.

The earthquake was located in the Sunda Trench and was particularly strong (7.7 Mag) and shallow - hence the tsunami.

North coast of Australia may experience lesser tsunami.
 
Last edited by a moderator:
Technology news on Phys.org
http://news.yahoo.com/s/ap/20060719/ap_on_re_as/indonesia_tsunami_51
PANGANDARAN, Indonesia (July 19) -- Rumors of another killer wave sparked mass panic Wednesday in the town hardest hit by the Indonesian tsunami, and amateur video that captured some of the horror of the disaster surfaced. The death toll rose to 531, with more than 270 missing, and a new earthquake shook Indonesia's capital.
More recently - http://news.yahoo.com/s/nm/20060719/ts_nm/quake_indonesia_dc_15
PANGANDARAN, Indonesia (Reuters) - An aftershock in Indonesia's tsunami-ravaged region sent hundreds scrambling for high ground on Wednesday as the toll from Monday's disaster climbed to 550.

Rescuers pulled bodies from the debris and aid trickled into worst-hit Pangandaran town while a search continued for about 275 people still missing after the tsunami smashed into a 300-km (185 mile) stretch of coast along southern Java.

Meanwhile - http://news.yahoo.com/s/ap/20060719/ap_on_re_as/indonesia_earthquake
JAKARTA, Indonesia - A strong earthquake caused tall buildings to sway in the Indonesian capital Wednesday, witnesses said. The quake had a preliminary magnitude of 6.1 and was centered 24 miles beneath the Sunda straits, said Budi Waluyo, an official at Indonesia's meteorological office said.
Indonesia and much of western Pacific and eastern Indian Oceans are at risk for tsunami.
 
Last edited by a moderator:

Similar threads

  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 10 ·
Replies
10
Views
4K