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Chillán Viejo, Chile

Full City Profile

28,735 Population 8,187/sq mi density
384 ft Elevation 117 meters
58°F Avg Temperature 14°C
Chillán Viejo enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 70°F in January while summers reach 48°F in July. The area gets 289 sunny days per year. Annual precipitation totals 54.9 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 48°F Jul (9°C)
Annual Average57.6°F
7% above US avg
January Average70°F (21°C)
July Average48°F (9°C)
Sunny Days289 days/yr

Geography

Elevation384 ft (117 m)
Area3.5 sq mi (9.1 km²)
Population Density8,187/sq mi
Coordinates-36.6230°N, 72.1319°W
TimezoneAmerica/Santiago

Precipitation & Snow

Annual Rainfall 54.9"
44% above US avg
Snowfall 0.0"
Wettest Month (Jun) 8.66"
Driest Month (Feb) 0.63"

Air Quality

Earthquake History

1,516 earthquakes (M2.5+) within 150 km since 1990. Strongest: M8.8. Most recent: M4.1 on Jun 22, 2025.

Feb 27, 2010 2010 Maule, Chile Earthquake M8.8 88 km
Feb 11, 2011 21 km N of Tomé, Chile M6.9 77 km
Mar 16, 2010 52 km NNW of Tomé, Chile M6.7 110 km
Mar 5, 2010 23 km WNW of Talcahuano, Chile M6.6 111 km
Apr 21, 1990 15 km WNW of Coronel, Chile M6.3 112 km
Mar 18, 2015 75 km NW of Tomé, Chile M6.2 137 km
May 14, 1990 18 km ESE of Linares, Chile M6.2 101 km
Mar 15, 2010 76 km NW of Quirihue, Chile M6.2 130 km
Sep 9, 2010 23 km WNW of Lota, Chile M6.2 123 km
Feb 27, 2010 36 km NW of Tomé, Chile M6.1 101 km
Jan 23, 2012 24 km NNW of Tomé, Chile M6.1 84 km
Mar 3, 2010 25 km WNW of Talcahuano, Chile M6.1 110 km
Feb 12, 2011 13 km SSE of Chiguayante, Chile M6.1 86 km
Mar 5, 2010 14 km NW of Talcahuano, Chile M6.1 97 km
Feb 27, 2010 27 km NNW of Yumbel, Chile M6.0 55 km
Feb 13, 2011 9 km NNW of Talcahuano, Chile M6.0 93 km
Apr 2, 2010 30 km W of Quirihue, Chile M6.0 80 km
Apr 23, 2010 26 km W of Nacimiento, Chile M6.0 125 km
Feb 11, 2011 11 km ENE of Arauco, Chile M5.9 114 km
Feb 27, 2010 15 km NW of Angol, Chile M5.9 134 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

7 tsunamis recorded within 500 km. Highest wave on record: 29.0 m (95 ft).

Year Location Cause Max Wave Deaths Distance
2010 CENTRAL CHILE Earthquake 29.0 m 558 88 km
1835 CENTRAL CHILE Earthquake 24.0 m 53 83 km
1751 CENTRAL CHILE Earthquake 3.5 m 65 88 km
1923 CENTRAL CHILE Unknown 1.5 m 146 km
2011 CENTRAL CHILE Earthquake 0.2 m 90 km
1657 CENTRAL CHILE Earthquake 40 83 km
1570 CENTRAL CHILE Earthquake 2,000 79 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

13 volcanoes within 200 km. Closest: Chillan, Nevados de (73 km).

Name Type Elevation Last Eruption Distance
Chillan, Nevados de Stratovolcano 3,180 m (10,433 ft) 2020 73 km
Antuco Stratovolcano 2,979 m (9,774 ft) 1869 111 km
San Pedro-Pellado Stratovolcano(es) 3,621 m (11,880 ft) Unknown 135 km
Domuyo Stratovolcano 4,702 m (15,427 ft) Unknown 152 km
Callaqui Stratovolcano 3,164 m (10,381 ft) 1980 156 km
Maule, Laguna del Caldera 2,162 m (7,093 ft) -50 160 km
Copahue Stratovolcano 2,953 m (9,688 ft) 2019 161 km
Azul, Cerro Stratovolcano 3,788 m (12,428 ft) 1967 164 km
Trolon Lava dome(s) 2,360 m (7,743 ft) Unknown 165 km
Descabezado Grande Stratovolcano(es) 3,953 m (12,969 ft) 1933 170 km
Calabozos Caldera 3,508 m (11,509 ft) Unknown 189 km
Tolhuaca Stratovolcano 2,739 m (8,986 ft) -4000 192 km
Tromen Stratovolcano(es) 4,114 m (13,497 ft) 1822 196 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 70°F (21°C) 0.7 in Warmest
February 66°F (19°C) 0.6 in Driest
March 62°F (16°C) 1.0 in
April 56°F (13°C) 2.3 in
May 51°F (10°C) 7.8 in
June 47°F (8°C) 8.7 in Coldest, Wettest
July 48°F (9°C) 8.4 in
August 47°F (9°C) 5.6 in
September 51°F (10°C) 3.6 in
October 55°F (13°C) 2.5 in
November 60°F (16°C) 1.5 in
December 65°F (18°C) 1.1 in

Chillán Viejo has a seasonal temperature swing of 23°F / from 47°F in June to 70°F in January. Total annual precipitation is 43.8 inches, with June being the wettest month (8.7") and February the driest (0.6").

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