| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | -48.884, 121.497 |
| UTC time | 1981-04-18 05:38:51.000 |
Earthquake details
Saturday, April 18, 1981 Earthquake
The earthquake hit western Indian-Antarctic Ridge on Saturday, April 18, 1981 at 05:38 UTC with a magnitude of 5.1. The closest known location in the current dataset is Albany, about 1570.8 km away. The epicenter is located at longitude 121.497 and latitude -48.884.
| Location | western Indian-Antarctic Ridge |
| Country | western Indian-Antarctic Ridge |
| Severity | Strong |
Earthquake map 1981-04-18
Closest countries
The 12 closest cities near the epicenter.
| Albany | 1570.8 km |
| Bunbury | 1798.7 km |
| Mandurah | 1883.5 km |
| Kwinana | 1914.5 km |
| Perth | 1943.0 km |
| Warrnambool | 2045.0 km |
| Adelaide | 2092.9 km |
| Hobart | 2098.5 km |
| Adelaide Hills | 2100.4 km |
| Launceston | 2163.2 km |
| Geelong | 2185.6 km |
| Ballarat | 2194.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
western Indian-Antarctic Ridge
Unknown · 2026-02-16 21:35 UTC
48.9 km
M 4.4
western Indian-Antarctic Ridge
Unknown · 2025-11-23 11:03 UTC
93.6 km
M 4.1
western Indian-Antarctic Ridge
Unknown · 2025-06-29 08:54 UTC
25.6 km
M 4.4
western Indian-Antarctic Ridge
Unknown · 2025-01-05 03:05 UTC
76.0 km
M 4.4
western Indian-Antarctic Ridge
Unknown · 2024-11-05 10:12 UTC
43.3 km
M 5.2
western Indian-Antarctic Ridge
Unknown · 2024-10-31 05:44 UTC
16.0 km
M 4.6
western Indian-Antarctic Ridge
Unknown · 2024-10-01 16:02 UTC
18.9 km
M 4.5
western Indian-Antarctic Ridge
Unknown · 2024-10-01 15:29 UTC
21.0 km
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