.svg)    Approximate epicenters of the earthquakes in 1983
| |||
| Strongest magnitude |  Papua New Guinea, southeast of New Ireland (island), (Magnitude 7.6) March 18 | ||
|---|---|---|---|
| Deadliest |  Turkey, Erzurum Province, (Magnitude 6.8) October 30 | ||
| Total fatalities | 2,608 | ||
| Number by magnitude | |||
| 9.0+ | 0 | ||
| 8.0–8.9 | 0 | ||
| 7.0–7.9 | 14 | ||
| 6.0–6.9 | 125 | ||
| 5.0–5.9 | 1,664 | ||
| 4.0–4.9 | 3,517 | ||
← 1982 1984 → | |||
This is a list of earthquakes in 1983. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. Events in remote areas will not be listed but included in statistics and maps. Countries are entered on the lists in order of their status in this particular year. All dates are listed according to UTC time. Maximum intensities are indicated on the Mercalli intensity scale and are sourced from United States Geological Survey (USGS) ShakeMap data.