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Ershui, Taiwan

Full City Profile

14,080 Population 861/sq mi density
279 ft Elevation 85 meters
73°F Avg Temperature 23°C
Ershui has a warm climate with an average annual temperature of 73°F (23°C). Winters average 61°F in January while summers reach 82°F in July. The area gets 211 sunny days per year. Annual precipitation totals 75.4 inches. The area receives 0.0 inches of snow annually.

Temperature

61°F Jan (16°C) 82°F Jul (28°C)
Annual Average72.7°F
35% above US avg
January Average61°F (16°C)
July Average82°F (28°C)
Sunny Days211 days/yr

Geography

Elevation279 ft (85 m)
Area16.4 sq mi (42.3 km²)
Population Density861/sq mi
Coordinates23.8099°N, 120.6169°W
TimezoneAsia/Taipei

Precipitation & Snow

Annual Rainfall 75.4"
99% above US avg
Snowfall 0.0"
Wettest Month (Jul) 15.35"
Driest Month (Nov) 0.59"

Air Quality

Earthquake History

2,104 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M0.0 on Aug 29, 2025.

Sep 20, 1999 21 km S of Puli, Taiwan M7.7 37 km
Apr 2, 2024 15 km S of Hualien City, Taiwan M7.4 100 km
Sep 18, 2022 90 km E of Yujing, Taiwan M6.9 105 km
Dec 13, 1990 28 km S of Hualien City, Taiwan M6.7 103 km
Mar 22, 2022 65 km S of Hualien City, Taiwan M6.7 112 km
Sep 25, 1999 31 km SE of Puli, Taiwan M6.5 56 km
Sep 17, 2022 96 km SE of Lugu, Taiwan M6.5 112 km
Feb 5, 2016 25 km SE of Yujing, Taiwan M6.4 97 km
Jun 10, 2000 29 km ESE of Puli, Taiwan M6.4 62 km
Apr 3, 2024 15 km NNE of Hualien City, Taiwan M6.4 113 km
Feb 6, 2018 18 km NNE of Hualien City, Taiwan M6.4 112 km
Dec 19, 2009 20 km S of Hualien City, Taiwan M6.4 101 km
Sep 20, 1999 44 km SSE of Lugu, Taiwan M6.4 59 km
Sep 22, 1999 33 km SE of Puli, Taiwan M6.4 57 km
Dec 13, 1990 7 km SSE of Hualien City, Taiwan M6.3 104 km
Oct 31, 2013 46 km SSW of Hualien City, Taiwan M6.3 87 km
Nov 1, 1999 66 km S of Hualien City, Taiwan M6.3 104 km
Mar 4, 2010 41 km SE of Yujing, Taiwan M6.3 101 km
Sep 20, 1999 54 km SW of Hualien City, Taiwan M6.3 74 km
Apr 19, 1992 12 km S of Hualien City, Taiwan M6.2 100 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Podul Category 2 101 km
2025 Danas Category 2 12 km
2024 Kong-rey Category 4 23 km
2024 Krathon Category 4 136 km
2024 Gaemi Category 4 113 km
2023 Koinu Category 4 200 km
2023 Haikui Category 3 103 km
2023 Doksuri Category 3 178 km
2021 Chanthu Category 4 171 km
2020 Mekkhala Category 1 267 km
2019 Mitag Category 2 233 km
2018 Maria Category 2 281 km
2017 Nesat Category 2 125 km
2016 Meranti Category 5 153 km
2016 Nepartak Category 5 93 km
2016 Megi Category 4 24 km
2016 Malakas Category 4 244 km
2015 Dujuan Category 4 34 km
2015 Soudelor Category 3 24 km
2015 Goni Category 2 282 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

6 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 44 km
2024 E. TAIWAN-RYUKYU ISLANDS Earthquake 1.0 m 20 96 km
1917 TAIWAN Earthquake 0.5 m 121 km
1986 TAIWAN Earthquake 0.3 m 15 98 km
1951 TAIWAN Earthquake 0.3 m 68 110 km
1990 TAIWAN Earthquake 0.0 m 103 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

1 volcano within 200 km. Closest: Tatun Volcanic Group (179 km).

Name Type Elevation Last Eruption Distance
Tatun Volcanic Group Lava dome(s) 1,120 m (3,675 ft) 648 179 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 61°F (16°C) 1.2 in Coldest
February 62°F (17°C) 2.2 in
March 67°F (19°C) 4.0 in
April 73°F (23°C) 4.7 in
May 77°F (25°C) 8.6 in
June 81°F (27°C) 14.3 in
July 82°F (28°C) 15.4 in Warmest, Wettest
August 81°F (27°C) 15.0 in
September 80°F (27°C) 7.2 in
October 76°F (24°C) 1.3 in
November 70°F (21°C) 0.6 in Driest
December 64°F (18°C) 1.0 in

Ershui has a seasonal temperature swing of 21°F / from 61°F in January to 82°F in July. Total annual precipitation is 75.4 inches, with July being the wettest month (15.4") and November the driest (0.6").

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