Number of Earthquakes Worldwide for 1980 - 1989
Located by the US Geological Survey National Earthquake Information Center

Magnitude 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
8.0 to 9.9 1 0 0 0 0 1 1 0 0 1
7.0 to 7.9 13 13 10 14 8 13 5 11 8 6
6.0 to 6.9 105 90 85 126 91 110 89 112 93 79
5.0 to 5.9 1299 1168 1425 1673 1579 1674 1665 1437 1485 1444
4.0 to 4.9 3271 3209 3232 3563 3683 4281 4476 4146 4018 4090
3.0 to 3.9 1725 1082 1128 1578 1579 1764 1942 1806 1932 2452
2.0 to 2.9 79 109 170 291 442 935 1169 1037 1479 1906
1.0 to 1.9 2 3 3 8 37 97 153 102 118 418
0.1 to 0.9 0 0 0 1 0 0 0 0 3 0
No Magnitude 853 1155 1694 2588 3074 4240 3218 2639 3575 4189
Total 7348 6829 7747 9842 10493 13115 12718 11290 12711 14585
Estimated
Deaths		 8620 5223 3328 2372 174 9846 1068 1080 26552 617

Number of Earthquakes in the United States for 1980 - 1989
Located by the US Geological Survey National Earthquake Information Center

Magnitude 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
8.0 to 9.9 0 0 0 0 0 0 0 0 0 0
7.0 to 7.9 1+1 1 0 1 0 0 1 2 1 1
6.0 to 6.9 8 2 4 8 3 5 10 11 2 4
5.0 to 5.9 72 42 62 66 68 60 182 100 96 73
4.0 to 4.9 525 308 289 313 306 306 599 426 388 378
3.0 to 3.9 1321 513 493 800 731 643 801 699 606 647
2.0 to 2.9 61 69 90 60 76 235 233 222 251 274
1.0 to 1.9 2 2 1 0 1 3 24 15 14 6
0.1 to 0.9 0 0 0 0 0 0 0 0 1 0
No Magnitude 128 139 131 128 79 545 509 578 489 718
Total 2119 1076 1070 1376 1264 1797 2359 2053 1848 2101
Estimated
Deaths		 1 0 0 2 1 0 1 11 1 63

. URL: http://neic.usgs.gov/neis/eqlists/1980s.html