Significant earthquakes of 2009

February 20, 2009 Earthquake: Xinjiang Province, China

February 20, 2009 · M5.5 · 331 houses destroyed

A magnitude 5.5 earthquake struck Xinjiang Province, China on February 20, 2009 at 10:02:29 UTC, 17 km below the surface.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
February 20, 2009
Time
10:02:29 UTC
Place
Xinjiang Province, China
Magnitude
5.5 (mb)
Focal depth
17 km (11 mi)
Tsunami
None recorded
Epicenter
40.657° N, 78.692° E
Country
China
Region
Central Asia and Caucasus

The toll

Damage
Severe (about $5 to $25 million)
Houses destroyed
5,613; 331 with its tsunami and other effects
Houses damaged
331; 5,613 with its tsunami and other effects

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What happened

The USGS’s account of the effects of this earthquake.

At least 331 homes destroyed and 5,613 damaged in the Akqi-Kalpin area.

From the USGS event page for usp000gu7d. U.S. Geological Survey text and figures are in the public domain.

Magnitude estimates

The magnitudes the USGS catalog lists for this earthquake, by scale and by who computed them. NCEI’s own scales are in the table above.

Mag.ScaleComputed byNotes
5.3Mwc, centroid momentUSGS National Earthquake Information CenterPreferred · Reviewed
5.26Mw, momentISC-GEM global catalogFinal · ±0.1
5.3Mwc, centroid momentGlobal CMT projectPreliminary

What the record says

NCEI’s account, from the sources it cites.

At least 331 homes destroyed and 5,613 damaged in the Akqi-Kalpin area. (reference #1053)

Sources NCEI cites

The publications NCEI lists for this record. The numbers match the “reference #” notes in its account above.

  1. #1053 National Earthquake Information Center (NEIC) (1971 to 2013). Preliminary Determination of Epicenters (PDE), a weekly and monthly publication, National Earthquake Information Center, U.S. Geological Survey, Golden, Colorado, 1971 to 2013.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 2009The 2000sEvery quake the USGS located in 2009Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-10-01. NCEI earthquake 8279. The written accounts and the magnitude estimates are from the USGS earthquake catalog, event usp000gu7d, matched to this record by time, place and magnitude.