September 28, 2006 Earthquake: Samoa Islands

Name: September 28, 2006 Earthquake: Samoa Islands
Start: 2006-09-28
Location: Samoa Islands

September 28, 2006 · M6.9

A magnitude 6.9 earthquake struck Samoa Islands on September 28, 2006 at 06:22:09 UTC, 28 km below the surface. It caused a tsunami.

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: September 28, 2006
Time: 06:22:09 UTC
Place: Samoa Islands
Magnitude: 6.9 (Mw)
Focal depth: 28 km (17 mi)
Intensity: 4 on the Modified Mercalli scale
Tsunami: Yes: the tsunami it caused
Epicenter: 16.592° S, 172.033° W
Country: Samoa

The toll

The record gives no deaths, injuries or damage for this earthquake.

What the record says

NCEI’s account, from the sources it cites.

Felt (IV) at Alofi and (III) at Tamakautoga, Niue. Felt (III) at Apia. Also felt (III) at Neiafu, Tonga.A tsunami with a wave height of 16 cm (peak-to-trough) was recorded at Pago Pago, American Samoa.

(above from reference #1053)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

Significant earthquakes of 2006 The 2000s Every quake the USGS located in 2006 Recent earthquakes near here This 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 2026-09-24. NCEI earthquake 7369.