| Magnitude | 5.4 |
| Alert | Strong |
| Depth | 20.0 km |
| Coordinates | -10.183, 160.146 |
| UTC time | 1977-04-21 16:12:35.500 |
Earthquake details
Thursday, April 21, 1977 Earthquake
The earthquake hit Solomon Islands on Thursday, April 21, 1977 at 16:12 UTC with a magnitude of 5.4. The closest known location in the current dataset is Honiara (Solomon Islands - SB), about 86.2 km away. The epicenter is located at longitude 160.146 and latitude -10.183.
| Location | Honiara |
| Country | Solomon Islands (SB) |
| Severity | Strong |
Earthquake map 1977-04-21
Closest countries
The 12 closest cities near the epicenter.
| Honiara | 86.2 km |
| Arawa | 669.5 km |
| Port Vila | 1218.3 km |
| Port Moresby | 1427.4 km |
| Lae | 1498.0 km |
| Noumea | 1504.4 km |
| Mackay | 1694.4 km |
| Cairns | 1726.5 km |
| Townsville | 1754.8 km |
| Gladstone | 1789.9 km |
| Rockhampton | 1791.0 km |
| Mount Hagen | 1818.7 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.2
Honiara
Solomon Islands · 2026-05-11 09:48 UTC
143.7 km
M 4.3
Honiara
Solomon Islands · 2026-03-26 01:52 UTC
35.9 km
M 4.3
Honiara
Solomon Islands · 2026-03-24 17:18 UTC
131.5 km
M 5.1
Honiara
Solomon Islands · 2026-02-14 03:12 UTC
106.1 km
M 4.3
Honiara
Solomon Islands · 2026-01-31 03:26 UTC
96.2 km
M 4.3
Honiara
Solomon Islands · 2026-01-31 02:42 UTC
99.1 km
M 4.9
Honiara
Solomon Islands · 2026-01-31 02:34 UTC
97.1 km
M 4.8
Honiara
Solomon Islands · 2026-01-30 22:57 UTC
110.6 km
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