Earthquakes in October 1983
Events per day
Strongest earthquakes
- 7.4
M7.4 earthquake near Caldera, Atacama
15 km deep
Extreme - 7.2
M7.2 earthquake - South Sandwich Islands region
24 km deep
Extreme - 6.9
M6.9 earthquake - The 1983 Borah Peak Earthquake, Idaho
10 km deep
Major - 6.8
M6.8 earthquake near Oltu, Erzurum
12 km deep
Major - 6.7
M6.7 earthquake near Caldera, Atacama
16 km deep
Major - 6.6
M6.6 earthquake near Toli-Toli, Central Sulawesi
28 km deep
Major - 6.5
M6.5 earthquake near Toli-Toli, Central Sulawesi
33 km deep
Major - 6.5
M6.5 earthquake - South Sandwich Islands region
33 km deep
Major - 6.5
M6.5 earthquake near Toli-Toli, Central Sulawesi
40 km deep
Major - 6.5
M6.5 earthquake - 58 km W of Gizo, Solomon Islands
7 km deep
Major - 6.4
M6.4 earthquake near Tambolaka, East Nusa Tenggara
83 km deep
Major - 6.4
M6.4 earthquake - Azores-Cape St. Vincent Ridge
10 km deep
Major - 6.3
M6.3 earthquake - South Sandwich Islands region
33 km deep
Major - 6.3
M6.3 earthquake - 125 km SSE of Pangai, Tonga
30 km deep
Major - 6.1
M6.1 earthquake near Antofagasta, Antofagasta
66 km deep
Major - 6.1
M6.1 earthquake near Dongning, Heilongjiang
558 km deep
Major - 6.0
M6.0 earthquake near Shimoda, Shizuoka
12 km deep
Major