- Type:
- Earthquake
- Date:
- August 30, 2009 CE
- Location:
- 154 km ENE of Hihifo, Tonga
- Magnitude:
- 6.6 Mwc
- Depth:
- 11 km
Cross-catalog records
This event is recorded in 6 separate scientific catalogs, each of which may give a different magnitude (the disagreement between catalogs is itself valuable for research):
- USGS_COMCAT: Mwc 6.6
- NOAA_SIGEQ: Mw 8.1
- USGS_COMCAT: Mwc 5.8
- USGS_COMCAT: Mwc 5.1
- USGS_COMCAT: Mwc 5.3
- USGS_COMCAT: Mwc 5.1
Other earthquake records of 2009 CE
- Indonesia, Sumatra: Padang · Mw 7.5 · 1,117 deaths
- Italy, L'aquila · Mw 6.3 · 309 deaths
- Samoa Islands · Mw 8.1 · 192 deaths
- Indonesia, Java · Mw 7 · 81 deaths
- Costa Rica, La Paz · Mw 6.1 · 23 deaths
- Afghanistan, Nangarhar · Mb 5.4 · 19 deaths
Source: U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat) · License: U.S. Public Domain (USGS) · institutional record ↗
Frequently asked questions
- When did M 6.6 - 154 km ENE of Hihifo, Tonga (2009 CE) happen?
- August 30, 2009 CE.
- Where does this information come from?
- This record comes from U.S. Geological Survey, Advanced National Seismic System (ANSS) Comprehensive Catalog (ComCat); it was not hand-authored and is stored together with its source.