- Type:
- Earthquake
- Date:
- February 22, 2011 CE
- Location:
- 6 km SSE of Christchurch, New Zealand
- Magnitude:
- 5.5 Mwr
- Depth:
- 5.9 km
- Intensity (MMI):
- 6.901
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: Mwr 5.5
- NOAA_SIGEQ: Mw 6.1
- NOAA_SIGEQ: Mw 5.8
- NOAA_SIGEQ: Mw 6
- USGS_COMCAT: ML 5.1
- USGS_COMCAT: Mww 6.1
Other earthquake records of 2011 CE
- Japan, Honshu · Mw 9.1 · 18,423 deaths
- Turkey, Ercis, Van · Mw 7.1 · 604 deaths
- New Zealand, Christchurch, Lyttelton · Mw 6.1 · 185 deaths
- India, Sikkim, Nepal, China, Bhutan · Mw 6.9 · 127 deaths
- Myanmar, Tachilek, Thailand · Mw 6.8 · 104 deaths
- Turkey, Van · Mw 5.7 · 40 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 5.5 - 6 km SSE of Christchurch, New Zealand (2011 CE) happen?
- February 22, 2011 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.