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Hazards
Current Hazards
Recent Earthquakes (Past 7 Days)
| Date(UTC) |
Magnitude |
Depth(Km) |
Region |
Lat/Long |
| 23-May-2013 21:15:58 |
5.0 |
-153.5 |
Tonga |
20.59° S / 175.71° W |
| 23-May-2013 21:07:46 |
6.3 |
-154.1 |
Tonga |
20.56° S / 175.74° W |
| 23-May-2013 21:07:44 |
6.5 |
-144.4 |
Tonga |
20.71° S / 175.33° W |
| 23-May-2013 17:19:04 |
7.4 |
-171.4 |
south of the Fiji Islands |
23.02° S / 177.11° W |
| 23-May-2013 17:19:03 |
7.4 |
-207.7 |
south of the Fiji Islands |
23.13° S / 176.58° W |
| 22-May-2013 19:21:33 |
4.6 |
-594.1 |
Fiji region |
17.8° S / 178.61° W |
| 22-May-2013 03:43:22 |
4.6 |
-10.1 |
Tonga |
16.57° S / 173.26° W |
| 19-May-2013 20:38:49 |
4.8 |
-341.3 |
Fiji region |
20.78° S / 177.56° W |
| 18-May-2013 05:17:13 |
4.6 |
-630.7 |
Fiji region |
17.89° S / 178.63° W |
| 17-May-2013 11:14:41 |
4.7 |
-595.5 |
Fiji region |
20.79° S / 178.75° W |
Active Tropical Storms (Current and 3-day Forecast Positions)
| Name |
Advisory Date(UTC) |
Wind Speed |
Wind Gusts |
Heading |
Track Speed |
Status |
Pressure |
Lat / Long |
| None found for the area chosen. |
|
|
|
|
|
|
|
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Active Volcanoes
| Name |
Region |
Activity |
Primary Observatory |
More Information |
Last Updated |
Lat/Long |
| Tofua |
Tonga |
Unknown |
|
GVP Site Link |
Wed Jul 20 07:56:17 HST 2011 |
19.75° S / 175.07° W |
| West Mata |
Tonga |
Unknown |
|
GVP Site Link |
Thu May 21 00:00:00 HST 2009 |
15.1° S / 173.75° W |
| Hunga Tonga-Hunga Ha'apai |
Tonga |
Unknown |
|
GVP Site Link |
Wed Mar 25 00:00:00 HST 2009 |
20.57° S / 175.38° W |
| Monowai Seamount |
New Zealand |
Unknown |
New Zealand GeoNet Project |
GVP Site Link |
Wed Aug 15 08:13:07 HST 2012 |
25.89° S / 177.19° W |
Recent Hotspots (Fire)
| Date of First Obs(UTC) |
Date of Last Obs(UTC) |
Description |
Mean Lat. |
Mean Long. |
| None found for the area chosen. |
|
|
|
|
Historical Hazards
Historical Earthquakes
(Resulting in significant damage or deaths)
Last 50 Years
5 Most Recent Earthquakes
| Date(UTC) |
Magnitude |
Depth(Km) |
Intensity |
Deaths |
Location |
Lat / Long |
| Sep 29 2009 00:17 |
8.0 |
18 |
|
0 |
SAMOA ISLANDS |
15.49° S / 172.1° W |
| Mar 19 2009 00:18 |
7.6 |
34 |
|
0 |
TONGA ISLANDS |
23.05° S / 174.66° W |
| Dec 09 2007 00:07 |
7.8 |
153 |
|
0 |
KERMADEC ISLANDS |
26.0° S / 177.51° W |
| Sep 28 2006 00:06 |
6.9 |
28 |
4 |
0 |
SAMOA ISLANDS |
16.59° S / 172.03° W |
| May 03 2006 00:15 |
7.9 |
55 |
7 |
0 |
TONGA ISLANDS |
20.19° S / 174.12° W |
5 Largest Earthquakes
| Date(UTC) |
Magnitude |
Depth(Km) |
Intensity |
Deaths |
Location |
Lat / Long |
| Jan 01 1919 00:02 |
8.3 |
180 |
|
0 |
FIJI ISLANDS |
19.5° S / 176.5° W |
| Apr 30 1919 00:07 |
8.3 |
25 |
|
0 |
TONGA ISLANDS |
19.0° S / 172.5° W |
| Jun 26 1917 00:05 |
8.3 |
25 |
|
0 |
SAMOA ISLANDS |
15.5° S / 173.0° W |
| Apr 16 1937 00:03 |
8.1 |
400 |
|
0 |
FIJI ISLANDS |
21.5° S / 177.0° W |
| Nov 18 1865 00:00 |
8.0 |
0 |
|
0 |
TONGA ISLANDS |
19.5° S / 173.5° W |
Volcanic Eruptions
Note: Historical eruptions data last updated in year 2000.
Last 100 Years Eruptions
5 Most Recent Eruptions
| Name |
Date(UTC) |
Magnitude |
Location |
Lat / Long |
| UNNAMED |
Jan 08 1999 00:00 |
1.0 |
TONGA |
21.08° S / 175.02° W |
| MONOWAI SEAMOUNT |
Dec 05 1997 00:00 |
2.0 |
KERMADEC IS |
25.89° S / 177.19° W |
| MONOWAI SEAMOUNT |
Dec 19 1996 00:00 |
0.0 |
KERMADEC IS |
25.89° S / 177.19° W |
| METIS SHOAL |
Dec 06 1995 00:00 |
2.0 |
TONGA-SW PACIFIC |
19.18° S / 174.86° W |
| MONOWAI SEAMOUNT |
Dec 08 1988 00:00 |
0.0 |
KERMADEC IS |
25.89° S / 177.19° W |
Tsunami Runups
Note: For each Tsunami event, there may be many locations of recorded runups of the same date for the chosen area.
To avoid duplicate results, the Regional Reporter tool applies a filter to display only one result per tsunami event.
5 Most Recent Tsunami Runups
| Date(UTC) |
Country |
Location |
Runup(meters) |
Deaths |
Lat / Long |
| Feb 27 2010 20:24 |
TONGA |
NUKUALOFA (NUKU'ALOFA) |
0.1 |
0 |
21.13° S / 175.17° W |
| Sep 29 2009 18:44 |
TONGA |
NUKUALOFA (NUKU'ALOFA) |
0.2 |
0 |
21.13° S / 175.17° W |
| May 03 2006 16:00 |
TONGA |
NUKUALOFA (NUKU'ALOFA) |
0.2 |
0 |
21.13° S / 175.17° W |
| Jun 23 2001 11:40 |
TONGA |
NUKUALOFA (NUKU'ALOFA) |
0.1 |
0 |
21.13° S / 175.17° W |
| Apr 30 1919 07:53 |
TONGA |
HAAPAI |
2.5 |
0 |
19.78° S / 174.34° W |
5 Largest Tsunami Runups
| Date(UTC) |
Country |
Location |
Runup(meters) |
Deaths |
Lat / Long |
| Sep 29 2009 00:00 |
TONGA |
Tafahi 2, Tafahi Island |
22.4 |
0 |
15.85° S / 173.75° W |
| Jun 26 1917 00:00 |
TONGA |
HAAPAI |
4.2 |
0 |
19.78° S / 174.34° W |
| May 10 1877 00:00 |
TONGA |
TONGA ISLANDS |
3.6 |
0 |
20.4° S / 174.6° W |
| Apr 30 1919 07:53 |
TONGA |
HAAPAI |
2.5 |
0 |
19.78° S / 174.34° W |
| May 03 2006 16:00 |
TONGA |
NUKUALOFA (NUKU'ALOFA) |
0.2 |
0 |
21.13° S / 175.17° W |
Large Wildfires
(Greater than 40 sq. km.)
| Start Date(UTC) |
End Date(UTC) |
Intensity |
Size (sq. km.) |
Mean Lat. |
Mean Long. |
| No data found for the area chosen. |
|
|
|
|
|
Earthquake Intensity Zones
Probable maximum MMI intensity once in 50 years
| Maximum Zone |
| None found for the area chosen. |
Storm Intensity Zones
Wind Speed with a 10% chance of occurring within 10 years
| Maximum Zone (km/hr) |
| 250+ |
Demography
Population 2001
| Total Population |
Maximum Density (ppl/km2) |
| 124,193 |
21,623 |
Population 2002
| Total Population |
Maximum Density (ppl/km2) |
| 125,755 |
9,453 |
Population 2006
| Total Population |
Maximum Density (ppl/km2) |
| 135,574 |
10,970 |
Population 2007
| Total Population |
Maximum Density (ppl/km2) |
| 138,087 |
13,230 |
Countries
Major Cities
| Country |
Name |
Population |
Status |
Lat / Long |
| Niue |
Alofi |
Less than 50,000 |
Provincial capital |
19.02° S / 169.92° W |
| Tonga |
Nuku' alofa |
Less than 50,000 |
National capital |
21.13° S / 175.25° W |
Infrastructure
Airports
Nuclear Power Plants
| Name |
Country |
Number of Reactors |
Lat / Long |
| None found for the area chosen. |
|
|
|
Environment
Urban/Rural Mask (SEDAC)
| Land Cover |
Area (km2) |
% |
| Urban |
193 |
0.01 |
| Rural |
2,368 |
0.2 |
| Not classified |
1,423,079 |
100 |
MODIS IGBP Land Cover
(excluding water area)
| Land Cover |
Area (km2) |
% |
| Evergreen Broadleaf Forest |
1,246 |
54 |
| Unclassified |
783 |
34 |
| Evergreen Needleleaf Forest |
134 |
6 |
| Cropland/Natural Vegetation Mosaic |
70 |
3 |
| Savannas |
16 |
0.7 |
| Croplands |
13 |
0.6 |
| Mixed Forests |
11 |
0.5 |
| Woody Savannas |
11 |
0.5 |
| Open Shrublands |
7 |
0.3 |
| Closed Shrublands |
4 |
0.2 |
| Deciduous Needleleaf Forest |
2 |
0.1 |
| Permanent Wetlands |
2 |
0.1 |
| Deciduous Broadleaf Forest |
1 |
0.03 |
Elevation (meters)
(land only)
| Minimum |
Maximum |
Average |
| -3 |
1,052 |
114 |
Average Temperature (degrees C)
| |
May |
Jun |
Jul |
| low |
22.7 |
22.0 |
20.8 |
| high |
27.9 |
27.1 |
26.3 |
Average Precipitation
| |
May |
Jun |
Jul |
| mm/day |
4.1 |
3.0 |
2.7 |
Current Meteorological Observations (METAR)
| Station Name |
Observation Time (UTC) |
Temp (F) |
Wind Speed (MPH) |
Wind Direction |
Sky Condition |
Lat / Long |
| ALOFI COOK IS |
Mon Mar 18 2013 23:00 |
86F |
10.0 |
NNW |
Scattered clouds 1800 ft. |
19.07° S / 169.92° W |
End.