Dianya, China

Full City Profile

2,005 ft Elevation 611 meters

55°F Avg Temperature 13°C

Dianya experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 75°F in July. The area gets 238 sunny days per year. Annual precipitation totals 48.9 inches. The area receives 6.4 inches of snow annually.

Temperature

35°F Jan (2°C) 75°F Jul (24°C)

Annual Average	55.3°F
	2% above US avg
January Average	35°F (2°C)
July Average	75°F (24°C)
Sunny Days	238 days/yr

Geography

Elevation	2,005 ft (611 m)
Area	270.8 sq mi (701.5 km²)
Population Density	0/sq mi
Coordinates	31.3988°N, 111.3337°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 48.9"

29% above US avg

Snowfall 6.4"

Air Quality

Earthquake History

15 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.1. Most recent: M4.5 on Jun 26, 2025.

Dec 16, 2013	92 km WNW of Yichang, China	M5.1	95 km
Mar 29, 2014	49 km WNW of Yichang, China	M5.1	81 km
Mar 26, 2014	56 km WNW of Yichang, China	M4.8	81 km
Dec 13, 2001	68 km NW of Yichang, China	M4.8	59 km
Jun 16, 2017	95 km WNW of Yichang, China	M4.6	92 km
May 27, 2014	93 km SW of Shiyan, China	M4.5	124 km
Jun 26, 2025	63 km N of Yichang, China	M4.5	13 km
Jun 18, 2017	96 km WNW of Yichang, China	M4.4	89 km
Oct 30, 2012	70 km WNW of Yichang, China	M4.4	92 km
Feb 22, 2017	54 km W of Yichang, China	M4.2	102 km
Apr 17, 1991	54 km SW of Yichang, China	M4.2	123 km
Jun 20, 2023	57 km N of Yichang, China	M4.2	19 km
Mar 24, 2019	95 km NE of Enshi, China	M4.1	123 km
Apr 20, 2014	90 km WNW of Yichang, China	M4.1	103 km
Jun 2, 2007	19 km W of Jingzhou, China	M4.0	130 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 54.0 m (177 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1985	QUYUAN, ZIGUI COUNTY	Meteorological	54.0 m	10	72 km
2003	QINGGAN RIVER, HUBEI PROVINCE	Meteorological	39.0 m	24	84 km
2008	WU GORGE, WUSHAN COUNTY	Meteorological	13.1 m	—	139 km
2015	WUSHAN, CHONGQING	Meteorological	6.2 m	2	141 km
2012	ZHAOJUN BRIDGE, HUBEI PROVINCE	Meteorological	5.2 m	—	59 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

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