List of earthquakes in 1990
| Strongest magnitude | 7.8 Mw Indonesia |
|---|---|
| Deadliest | 7.4 Mw Iran 50,000 deaths |
| Total fatalities | 51,821 |
| Number by magnitude | |
| 9.0+ | 0 |
| 8.0–8.9 | 0 |
| 7.0–7.9 | 17 |
| 6.0–6.9 | 130 |
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This is a list of earthquakes in 1990. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC time.