- Type:
- Earthquake
- Date:
- October 30, 1984 CE
- Location:
- 131 km SSW of Hihifo, Tonga
- Magnitude:
- 6.6 Mw
- Depth:
- 141 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: Mw 6.6
- USGS_COMCAT: Mw 5.8
- USGS_COMCAT: Mw 5.4
- USGS_COMCAT: Mw 5.5
- USGS_COMCAT: Mw 5.5
- USGS_COMCAT: Mw 5.5
Other earthquake records of 1984 CE
- Japan, Honshu: Central: Mt Ontake · Ms 6.1 · 29 deaths
- India, Assam, Cachar District · Mb 5.6 · 20 deaths
- Japan, Kyushu: Nobeoka · Ms 6.7 · 20 deaths
- Dominican Republic, Santo Domingo · Ms 6.7 · 5 deaths
- Pakistan-Nw Afghanistan, Hindu Kush: Chitral-Landi · Mb 6.1 · 4 deaths
- Italy, S Central: Abruzzo · Ms 5.8 · 3 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 - 131 km SSW of Hihifo, Tonga (1984 CE) happen?
- October 30, 1984 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.