Mercalli Intensity Scale - Historical Analysis

Historical Analysis

Earthquake Death Toll Moment Magnitude Mercalli intensity
1920 Haiyuan earthquake 235,502 7.8–8.5 XII
1976 Tangshan earthquake 242,769 7.8–8.2 XI
2008 Sichuan earthquake 69,195 7.9 XI
1556 Shaanxi earthquake 830,000 7.9–8.0 XI
1960 Valdivia earthquake 2,230–6,000 9.5 XI
1908 Messina earthquake 150,000–200,000 7.2 XI
1964 Good Friday/Anchorage/Alaska earthquake 143. Totals include tsunami. 9.2 XI
1995 Kobe/Great Hanshin earthquake 6,434 6.8–7.3 X–XI
1994 Northridge/Los Angeles earthquake 60 6.7 X
1977 Vrancea earthquake 1,578 7.2 X–XI
2010 Canterbury earthquake 0 7.1 X
2010 Haiti earthquake 316,000 7.0 X
1980 Irpinia earthquake 2,914 6.5 X
2011 Van earthquake 432 7.2 X
2004 Indian Ocean earthquake and tsunami 230,000–280,000. Totals included tsunami. 9.1–9.3 IX
2011 Japan earthquake and tsunami 18,500. Totals include tsunami. 9.0 IX
1906 San Francisco earthquake 3,425 7.8 IX
2011 Christchurch earthquake 182 6.3 IX
1755 Boston/Massachusetts/New England earthquake 0 5.9–6.3 VIII

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