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Usab, Philippines

Full City Profile

2,404 Population 8/sq mi density
75 ft Elevation 23 meters
81°F Avg Temperature 27°C
Usab has a warm climate with an average annual temperature of 81°F (27°C). Winters average 79°F in January while summers reach 82°F in July. The area gets 178 sunny days per year. Annual precipitation totals 87.3 inches. The area receives 0.0 inches of snow annually.

Temperature

79°F Jan (26°C) 82°F Jul (28°C)
Annual Average81.2°F
50% above US avg
January Average79°F (26°C)
July Average82°F (28°C)
Sunny Days178 days/yr

Geography

Elevation75 ft (23 m)
Area311.1 sq mi (805.7 km²)
Population Density8/sq mi
Coordinates12.3297°N, 123.5809°W
TimezoneAsia/Manila

Precipitation & Snow

Annual Rainfall 87.3"
130% above US avg
Snowfall 0.0"
Wettest Month (Dec) 11.26"
Driest Month (Apr) 2.68"

Air Quality

Earthquake History

335 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.4 on Jul 28, 2025.

Feb 15, 2003 11 km SSW of San Vicente, Philippines M6.3 57 km
Jun 9, 1994 18 km ENE of Rapu-Rapu, Philippines M6.2 128 km
Feb 15, 2023 9 km NNE of Miaga, Philippines M6.1 31 km
Jun 26, 2003 4 km ENE of Miaga, Philippines M6.0 31 km
Feb 22, 2005 17 km W of Tigbao, Philippines M5.8 52 km
Sep 1, 2003 30 km SE of Tugdan, Philippines M5.8 139 km
Feb 15, 2003 2 km N of Palanas, Philippines M5.8 41 km
Aug 19, 2024 21 km NNW of Bugko, Philippines M5.7 132 km
May 23, 2003 5 km ENE of Limbuhan, Philippines M5.6 74 km
Mar 5, 2012 5 km ENE of Mobo, Philippines M5.6 13 km
Sep 29, 2000 34 km SW of Taclobo, Philippines M5.6 134 km
Aug 15, 1999 23 km ESE of Limbuhan, Philippines M5.4 93 km
Jun 28, 2004 26 km WSW of Osmeña, Philippines M5.4 63 km
May 23, 2003 10 km NNE of Limbuhan, Philippines M5.4 69 km
May 2, 2003 14 km NE of Limbuhan, Philippines M5.4 71 km
Jul 30, 2001 6 km NE of Tigbao, Philippines M5.4 37 km
Aug 19, 1993 15 km NNE of Rapu-Rapu, Philippines M5.3 127 km
Jun 26, 1996 38 km N of Bugko, Philippines M5.3 141 km
Apr 17, 1991 7 km N of Biri, Philippines M5.3 97 km
Aug 1, 1998 7 km E of Batuan, Philippines M5.3 29 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

63 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5.

Year Name Category Closest
2025 Fung-wong Category 4 228 km
2025 Kalmaegi Category 2 161 km
2024 Man-yi Category 5 207 km
2022 Noru Category 4 297 km
2021 Rai Category 4 250 km
2021 Conson Category 1 242 km
2020 Goni Category 5 130 km
2020 Vamco Category 3 242 km
2020 Vongfong Category 3 30 km
2020 Molave Category 1 116 km
2019 Kammuri Category 4 86 km
2019 Phanfone Category 3 73 km
2016 Nock-ten Category 5 132 km
2016 Sarika Category 3 241 km
2015 Melor Category 4 53 km
2015 Mekkhala Category 1 246 km
2014 Hagupit Category 4 19 km
2014 Rammasun Category 4 112 km
2013 Haiyan Category 5 126 km
2010 Conson Category 1 219 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

2 tsunamis recorded within 500 km. Highest wave on record: 1.3 m (4 ft).

Year Location Cause Max Wave Deaths Distance
1973 QUEZON Earthquake 1.3 m 15 146 km
2003 SAMAR SEA Eruption + Earthquake 1.0 m 57 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Bulusan (71 km).

Name Type Elevation Last Eruption Distance
Bulusan Stratovolcano(es) 1,535 m (5,036 ft) 2017 71 km
Pocdol Mountains Compound 1,102 m (3,615 ft) Unknown 90 km
Biliran Compound 1,301 m (4,268 ft) 1939 137 km
Isarog Stratovolcano 1,966 m (6,450 ft) -3500 149 km
Silay Stratovolcano 1,510 m (4,954 ft) Unknown 178 km
Mandalagan Complex 1,885 m (6,184 ft) Unknown 190 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 79°F (26°C) 6.9 in Coldest
February 79°F (26°C) 3.9 in
March 80°F (27°C) 3.7 in
April 83°F (28°C) 2.7 in Driest
May 84°F (29°C) 4.5 in Warmest
June 83°F (28°C) 6.8 in
July 82°F (28°C) 8.7 in
August 82°F (28°C) 7.6 in
September 82°F (28°C) 9.4 in
October 81°F (27°C) 10.6 in
November 81°F (27°C) 11.2 in
December 79°F (26°C) 11.3 in Wettest

Usab has a seasonal temperature swing of 5°F / from 79°F in January to 84°F in May. Total annual precipitation is 87.3 inches, with December being the wettest month (11.3") and April the driest (2.7").

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