EXISTING EARLY WARNING SYSTEMS IN TONGA

NEMO

TONGATAPU

HA’APAI

VAVA’U

Tsunamis from Nearby Earthquakes Take Only Minutes to Tonga

SEPTEMBER 30, 2009 TSUNAMI

AFTER BEFORE

BEFORE AFTER

HIHIFO

Before the Tsunami AFTER TSUNAMI

FALEHAU FALEHAU

Tsunami Impact in NTT

SEISMIC NETWORK

Public Consultation Workshop on Tongatapu Coastal Inundation Model, 27-28 March 2013

Tsunami Risk Profile

Tsunami Early Warning System

• Tonga Broadcasting/radio stations – PTWC – – Tonga Met Service/Geological Unit/NEMO – NEMO, National Emergency Operations Committee

activate system

• TCC/DIGICEL Text messages • Police stations • District/Town Officers • Public Awareness programme • Sirens

Tsunami Risk Reduction Arrangements

• Identify tsunami hot spots

• Build in less tsunami prone areas

• Tsunami signs and symbols in high risk areas

• Pre identify evacuation routes and safe places/buildings

• Tsunami hazard zones and mapping

• Establish Tsunami Plan and regular review

• Regular Exercising to test effectiveness of plan

URBAN AREA SIRENS

EASTERN SIREN – TALAFO’OU, AFA

WESTERN SIREN

Tsunami Sirens Testing Schedule Plan dated 17th June 2016 Digicel Towers

Sirens

Triggering Phone No

(35355&8740797)

Triggering Time Effective Or Ineffective

Sia 35355 1200pm Effective (twice)

Pili 35355 1205pm Ineffective

Popua 35355 1210pm Ineffective

Afaa 8740797/35355 1215pm Ineffective

Talafo’ou 8740797 1220pm Ineffective

ALL (Sia-Talafo’ou) 35355 1230pm Ineffective

Rest of the ½ hour for sirens that did not go off

Hihifo Sirens Triggering device Triggering time Effective Or Ineffective

Hihifo (Kolovai) Sirens Manually 1200pm Effective

Kanokupolu Manually 1220pm Effective

Meteorological Services Station Reports

Location 1 2 3 4 1254hrs 1257hrs

Sia –Ko-

veiongo

Busy unreachable unreachable unreachable unreachable unreachable

Pili Busy busy busy busy busy busy

Popua Busy Busy Busy Busy Busy Busy

Afa Busy Busy Busy Busy Busy Busy

Talafo’ou unreachable unreachable unreachable unreachable unreachable unreachable

SIRENS RANKING Siren Trigger

time

Location Ph# Title Audible.

Rank out of 3.

1-loud enough

to be heard,

2-heard but

not very loud,

3 –heard

nothing

Other

Remarks

Windy,

wind

direction,

cloudy,

rain, etc

Sia 1200pm GPS

Nuku’alofa

21906 Principal/

Teacher

3

GPS

Kolomotu’a

22073 Principal/

Teacher

3

Sio Tu’iano’s

home

7761215 Town Officer,

Kolomotu’a

3

MEIDECC 26340 NEMO Director 1

HMAF Head

Quarter

23099 Reception 1

NEMO-

Vaololoa

Technical

Officer, NEMO

Warehouse

3

Market Staff 3

Queen Salote

College

Staff 3

Kolofo’ou (26204) Town Officer 3

FWC Residence

Kolomotu’a

23884 Church Minister 3

FWC Residence

Kolofo’ou

21264 Church Minister 3

FWC Residence

Longolongo

21787 Church Minister 3

Pili 1205pm GPS Ngele’ia 21804 Teacher 3

GPS Fasi 23440 Teacher 3

‘Alotaisi Takau 7717450 Town Officer,

Ma’ufanga

3

FWC

Residence Pili

22779 Church Minister 3

Kolo

vai

1200pm GPS Kolovai 41265 Teacher 1

Kolovai 8493712 Resident 2

FWC

Residence

Fo’ui

41104 Church Minister 3

FWC

Residence

Ha’avakatolo

41768 Church Minister 3

Siren Trigger

time

Location Ph# Title Audible.

Rank out of 3.

1-loud enough to

be heard,

2-heard but not

very loud,

3 –heard nothing

Other

Remarks

Windy,

wind

direction,

cloudy,

rain, etc

Gas Station

Kolovai

Gas

Station

Operator

1

Kanoku

polu

1220PM GPS

Kanokupolu

Teacher 2

Liku’alofa 41967 Employee

Liku’alofa

Resort

1

Vakaloa

Beach Resort

41233 Employee,

Vakaloa

Beach

Resort

1

Ha’atafu

Beach Resort

41088 Employee,

Ha’atafu

Beach

Resort

1

Ha’atafu

(Tevita

Kaivelata)

8799909 Resident 1

FWC

Residence

‘Ahau

41325 Church

Minister

1

FWC

Residence

Ha’atafu

412772 Church

Minister

1

FWC

Residence

Kanokupolu

41309 Church

Minister

2

Afaa 1220pm GPS Afaa 33291 Teacher 3

Resident

Niutoua

7733098 &

8773361

Resident 3

NEMO Office

26340 NEMO

Driver

3

Talafo’o

u

1215pm GPS

Talafo’ou

Teacher 3

LDS

Talafo’ou

NEMO

Personnel:

- Carrie

Vaea

- Vea

‘Aniseko

3

GAPS & CHALLENGES

Popua

Ways Forward

• More technical training of staff

• Allow geoportals to align with other data and information sites

• Allow access among line Ministries for an overall result based outcome

• BSRP is building a GIS library for NEMO

• Networking with training facilities like AIT for ongoing training on Space and GIS application

2% HH Damage 10 People Displaced

3% HH Damaged 30 People Displaced

454 People Evacuated

4% HH Damaged 145 People Displaced

6 Evacuated

4% HH Damaged 5 People Displaced

17 Evacuated

Feletoa 5% HH Damaged

15 People Displaced 155 People Evacuated

‘Utulei 54% of HH Damaged

70 People Displaced 6 People Evacuated

6 People Evacuated

Ofu

‘Olo’ua 18 Evacuated

Mangia 26% HH Damaged

25 People Displaced 32 People Evacuated

Talihau 15% HH Damaged

15 People Displaced 38 People Evacuated

41 People Evacuated

6% HH Damaged 35 People Displaced

160 Evacuated

6% HH Damaged 30 People Displaced

100 People Evacuated

Toula 10% HH Damaged

40 People Displaced 76 People Evacuated

‘Utui 10% HH Damaged

45 People Displaced 130 Evacuated

10% HH Damaged 55 People Displaced

90 People Evacuated

10% HH Damaged 60 People Displaced

110 People Evacuated

10% HH Damaged 45 People Displaced

10% HH Damaged 10 People Displaced

52 People Evacuated

10% HH Damaged 15 People Displaced

80 People Evacuated

‘Utungake 11% HH Damaged

55 People Displaced

Koloa 11% HH Damaged

55 People Displaced 110 People Evacuated

12% HH Damaged 60 People Displaced

72 People Evacuated

12% HH Damaged 60 People Displaced 13% HH Damaged

65 People Displaced

155 People Evacuated

17% HH Damaged 85 People Displaced

43 People Evacuated

Ha’alaufuli 23% HH Damaged

95 People Displaced 320 People Evacuated

28% HH Damaged 140 People Displaced

103 People Evacuated

Ha’akio 29% HH Damaged

145 People Displaced

50% HH Damaged 35 People Displaced