World Map › Major Earthquakes Since 1900 › 1909
Historic Earthquake
1909 Usa Territory Earthquake
9 December 1909 · Usa Territory
On 9 December 1909 at 23:28 UTC, a magnitude 8.0 earthquake struck Usa Territory, at a depth of 100 km. It occurred on the Mariana Plate, 32 km from its boundary with the Pacific Plate (subduction zone). It triggered a tsunami.
- Date
- 9 December 1909
- Time
- 23:28 UTC
- Magnitude
- 8.0
- Depth
- 100 km
- Maximum Intensity
- VIII (Mercalli)
- Tsunami
- Yes
- Plate
- Mariana Plate
- Country
- Usa Territory
- Nearest Volcano
- Seamount X (135 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 2002Usa Territory · M 7.1
- 2001Usa Territory · M 7.0
- 19931993 Guam Earthquake · M 7.8
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth