| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | 44.423, -129.455 |
| UTC time | 1988-10-23 13:48:35.680 |
Earthquake details
Sunday, October 23, 1988 Earthquake
The earthquake hit off the coast of Oregon on Sunday, October 23, 1988 at 13:48 UTC with a magnitude of 5.5. The closest known location in the current dataset is Corvallis, about 491.9 km away. The epicenter is located at longitude -129.455 and latitude 44.423.
| Location | off the coast of Oregon |
| Country | off the coast of Oregon |
| Severity | Strong |
Earthquake map 1988-10-23
Closest countries
The 12 closest cities near the epicenter.
| Corvallis | 491.9 km |
| McMinnville | 501.6 km |
| Albany | 504.3 km |
| Eugene | 509.4 km |
| Salem | 511.3 km |
| Keizer | 512.4 km |
| Springfield | 514.7 km |
| Hillsboro | 523.5 km |
| Aloha | 532.3 km |
| Walnut Creek Ct, Tigard | 534.5 km |
| Beaverton | 537.0 km |
| Tigard | 538.4 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.6
off the coast of Oregon
Unknown · 2026-09-07 01:30 UTC
86.5 km
M 4.0
off the coast of Oregon
Unknown · 2026-04-07 20:49 UTC
26.0 km
M 4.3
off the coast of Oregon
Unknown · 2025-12-20 14:05 UTC
77.5 km
M 4.0
off the coast of Oregon
Unknown · 2025-12-09 15:12 UTC
2.2 km
M 5.4
off the coast of Oregon
Unknown · 2025-10-29 14:00 UTC
18.6 km
M 4.8
off the coast of Oregon
Unknown · 2025-10-29 13:42 UTC
36.1 km
M 4.2
off the coast of Oregon
Unknown · 2025-05-22 05:11 UTC
30.8 km
M 4.2
off the coast of Oregon
Unknown · 2024-12-21 01:27 UTC
58.6 km
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