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Tsunami in Bali, Indonesia

What to Do when a Tsunami Strikes Near Your Hotel in Bali

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Tsunami warning sign in Tanjung Benoa, South Bali

Tsunami warning sign in Tanjung Benoa, South Bali

Image © Mike Aquino, licensed to About.com

The lovely shoreline surrounding the island of Bali holds a deadly secret: the seas around Bali are very vulnerable to tsunami.

The December 2004 tsunami may not have affected Bali (it hit other parts of Indonesia - Aceh in particular), but the same factors in play during that deadly incident should make any Bali visitor uneasy. That tsunami was triggered by a sudden rupture along the Sunda Megathrust (Wikipedia) , a major collision zone between two tectonic plates (the Australian plate and the Sunda Plate) that also runs immediately south of Bali.

Should the Sunda Megathrust rupture closer to Bali, massive waves may rush north towards the island and overwhelm the tourist settlements located there. Kuta, Tanjung Benoa, and Sanur in South Bali are considered to be most exposed to the danger. All three areas are low-lying, tourist-saturated areas facing the Indian Ocean and the volatile Sunda Megathrust. (source)

Bali's Siren System, Yellow and Red Zones

To compensate for Bali's vulnerability to tsunami, the Indonesian government and Bali stakeholders have set up detailed evacuation plans for residents and tourists based in these areas.

The government's weather service, Badan Meteorologi, Klimatologi dan Geofisika (BMKG) runs the Indonesian Tsunami Early Warning System (InaTEWS), instituted in 2008 in the wake of the Aceh tsunami event. (Check out BMKG's Recent Earthquakes Map; Bahasa Indonesia language only, offsite.)

Complementing government efforts, the Bali Hotels Association (BHA) and the Indonesian Ministry of Culture and Tourism (BUDPAR) coordinate with the Balinese hotel sector to promote the "Tsunami Ready" evacuation and protection protocol. Read their site: TsunamiReady.com (English, offsite).

  • Ring for service: For a list of Tsunami Ready Certified hotels and designated vertical evacuation centers in selected areas in South Bali, read this article: Tsunami Ready Hotels in Bali.

At present, a siren system is in place around Kuta, Tanjung Benoa, Sanur, Kedonganan (near Jimbaran), Seminyak and Nusa Dua. On top of this, certain areas have been designated as red zones (high-risk areas) and yellow zones (lower likelihood of being swamped).

When a tsunami is detected by the Center for Disaster Mitigation (Pusdalops) in Denpasar, the sirens will sound a three-minute wail, giving residents and tourists about fifteen to twenty minutes to leave the red zones. Local officials or volunteers are trained to direct people to evacuation routes, or if reaching higher ground is not an immediate option, to the upper floors of designated evacuation buildings.

Bali Tsunami Evacuation Procedures

Guests staying at Sanur will hear the siren at Matahari Terbit beach in the event of a tsunami. (While the sirens are designed to carry for miles, it's been reported that guests staying in the southern part of Sanur are often unable to hear it.)

Hotel staff will guide guests to the proper evacuation areas. If out on the beach, proceed west to Jalan Bypass Ngurah Rai. In Sanur, all areas east of Jalan Bypass Ngurah Rai are considered "red", unsafe areas for tsunami. If you have no time to proceed to higher ground, seek refuge in buildings with three floors or higher.

A number of hotels in Sanur have been designated as vertical evacuation centers for people who do not have time to evacuate to higher ground.

Guests staying at Kuta should proceed to Jalan Legian or to one of Kuta/Legian's three designated vertical evacuation centers, when they hear the siren wail.

Hard Rock Hotel (compare rates), Pullman Nirwana Bali (compare rates) and Discovery Shopping Mall (discoveryshoppingmall.com|read about shopping malls in South Bali) have been designated as vertical evacuation centers for people in Kuta and Legian who do not have time to evacuate to higher ground.

Areas west of Jalan Legian have been designated as "red zones", to be immediately evacuated in the event of a tsunami.

Tanjung Benoa is a special case: there is no "higher ground" on Tanjung Benoa, as it is a low, flat, sandy peninsula. "Its only main road is small and badly maintained," a government paper explains. "In the event of an emergency, the population would not be able to reach higher ground in time. The only viable option is vertical evacuation into existing buildings." (source)

Tips on Coping with a Tsunami in Bali

Prepare yourself for the worst. If you are staying at one of the vulnerable areas mentioned above, study the attached evacuation maps, and familiarize yourself with the escape routes and the direction of the yellow zone.

Cooperate with your Bali hotel. Ask your hotel in Bali for the tsunami preparation procedures. Do participate in tsunami and earthquake drills, if requested to by the hotel.

Assume the worst when an earthquake strikes. After an earthquake, move away from the beach immediately without waiting for the siren, and head for the designated yellow zone in your immediate vicinity.

Keep your ears open for the siren. If you hear the siren sound a three-minute long wail, head immediately for the designated yellow zone, or if that is impossible, look for the vertical evacuation center closest to you.

Check broadcast media for tsunami updates. The Bali local radio station RPKD Radio 92.6 FM (radio.denpasarkota.go.id) is assigned to send tsunami updates live on the air. National TV channels will also broadcast tsunami warnings as breaking news.

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