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Sanzhi, Taiwan

Full City Profile

23,452 Population 920/sq mi density
236 ft Elevation 72 meters
68°F Avg Temperature 20°C
Sanzhi enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 55°F in January while summers reach 79°F in July. The area gets 119 sunny days per year. Annual precipitation totals 123.2 inches. The area receives 0.0 inches of snow annually.

Temperature

55°F Jan (13°C) 79°F Jul (26°C)
Annual Average67.5°F
25% above US avg
January Average55°F (13°C)
July Average79°F (26°C)
Sunny Days119 days/yr

Geography

Elevation236 ft (72 m)
Area25.5 sq mi (66.0 km²)
Population Density920/sq mi
Coordinates25.2578°N, 121.5018°W
TimezoneAsia/Taipei

Precipitation & Snow

Annual Rainfall 123.2"
224% above US avg
Snowfall 0.0"
Wettest Month (Sep) 15.39"
Driest Month (Apr) 7.60"

Air Quality

Earthquake History

1,522 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M0.0 on Aug 27, 2025.

Mar 31, 2002 67 km ENE of Hualien City, Taiwan M7.1 129 km
Jun 5, 1994 31 km SSE of Yilan, Taiwan M6.4 93 km
May 31, 2016 Taiwan region M6.4 110 km
Apr 3, 2024 15 km NNE of Hualien City, Taiwan M6.4 130 km
Apr 20, 2015 75 km WSW of Yonakuni, Japan M6.4 143 km
Feb 6, 2018 18 km NNE of Hualien City, Taiwan M6.4 126 km
Dec 13, 1990 7 km SSE of Hualien City, Taiwan M6.3 150 km
Mar 5, 1996 63 km ENE of Hualien City, Taiwan M6.3 148 km
May 15, 2002 21 km SE of Yilan, Taiwan M6.2 81 km
Feb 23, 1995 17 km N of Hualien City, Taiwan M6.2 125 km
Apr 18, 2019 8 km NE of Hualien City, Taiwan M6.1 137 km
Feb 4, 2018 22 km NNE of Hualien City, Taiwan M6.1 124 km
Jun 25, 1995 18 km SSW of Yilan, Taiwan M6.0 76 km
Jun 14, 2001 39 km SE of Yilan, Taiwan M5.9 99 km
Jun 9, 2012 54 km ESE of Yilan, Taiwan M5.9 107 km
Mar 29, 1996 62 km ENE of Hualien City, Taiwan M5.8 143 km
Aug 7, 2019 35 km SSE of Yilan, Taiwan M5.8 97 km
Mar 19, 2014 68 km ENE of Hualien City, Taiwan M5.8 149 km
May 10, 2024 38 km NE of Hualien City, Taiwan M5.8 126 km
Jun 9, 2003 46 km SE of Yilan, Taiwan M5.8 108 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

91 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Danas Category 2 191 km
2025 Podul Category 1 278 km
2024 Gaemi Category 4 63 km
2024 Kong-rey Category 3 173 km
2023 Haikui Category 3 262 km
2023 Doksuri Category 2 295 km
2022 Muifa Category 3 253 km
2021 Chanthu Category 3 81 km
2020 Hagupit Category 1 145 km
2019 Lekima Category 4 221 km
2019 Mitag Category 2 122 km
2018 Maria Category 2 123 km
2017 Nesat Category 2 73 km
2016 Megi Category 4 129 km
2016 Malakas Category 4 126 km
2016 Nepartak Category 2 275 km
2015 Dujuan Category 4 124 km
2015 Goni Category 3 251 km
2015 Soudelor Category 3 141 km
2015 Noul Category 1 297 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 30.0 m (98 ft).

Year Location Cause Max Wave Deaths Distance
1781 KAOHSIUNG Unknown 30.0 m 1 149 km
1867 E. CHINA SEA Earthquake 15.0 m 580 42 km
2002 TAIWAN Earthquake 0.2 m 5 129 km
1963 E. TAIWAN-RYUKYU ISLANDS Earthquake 0.2 m 15 113 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tatun Volcanic Group (10 km).

Name Type Elevation Last Eruption Distance
Tatun Volcanic Group Lava dome(s) 1,120 m (3,675 ft) 648 10 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 55°F (13°C) 8.3 in Coldest
February 56°F (13°C) 9.5 in
March 60°F (15°C) 9.5 in
April 66°F (19°C) 7.6 in Driest
May 71°F (22°C) 10.5 in
June 76°F (24°C) 11.3 in
July 79°F (26°C) 8.2 in Warmest
August 79°F (26°C) 12.2 in
September 75°F (24°C) 15.4 in Wettest
October 70°F (21°C) 13.3 in
November 64°F (18°C) 9.3 in
December 58°F (15°C) 8.2 in

Sanzhi has a seasonal temperature swing of 24°F / from 55°F in January to 79°F in July. Total annual precipitation is 123.2 inches, with September being the wettest month (15.4") and April the driest (7.6").

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