| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 32.0 km |
| Coordinates | -9.889, 159.953 |
| UTC time | 1977-04-21 01:20:32.800 |
Earthquake details
Thursday, April 21, 1977 Earthquake
The earthquake hit Solomon Islands on Thursday, April 21, 1977 at 01:20 UTC with a magnitude of 5.5. The closest known location in the current dataset is Honiara (Solomon Islands - SB), about 50.7 km away. The epicenter is located at longitude 159.953 and latitude -9.889.
| Location | Honiara |
| Country | Solomon Islands (SB) |
| Severity | Strong |
Earthquake map 1977-04-21
Closest countries
The 12 closest cities near the epicenter.
| Honiara | 50.7 km |
| Arawa | 632.2 km |
| Port Vila | 1256.3 km |
| Port Moresby | 1405.5 km |
| Lae | 1469.8 km |
| Noumea | 1543.1 km |
| Mackay | 1704.6 km |
| Cairns | 1723.1 km |
| Townsville | 1757.8 km |
| Mount Hagen | 1790.4 km |
| Rockhampton | 1806.8 km |
| Gladstone | 1807.6 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
106.3 km
M 4.3
Honiara
Solomon Islands · 2026-03-26 01:52 UTC
39.8 km
M 4.3
Honiara
Solomon Islands · 2026-03-24 17:18 UTC
111.8 km
M 5.1
Honiara
Solomon Islands · 2026-02-14 03:12 UTC
69.4 km
M 4.3
Honiara
Solomon Islands · 2026-01-31 03:26 UTC
63.0 km
M 4.3
Honiara
Solomon Islands · 2026-01-31 02:42 UTC
66.1 km
M 4.9
Honiara
Solomon Islands · 2026-01-31 02:34 UTC
63.2 km
M 4.8
Honiara
Solomon Islands · 2026-01-30 22:57 UTC
73.6 km
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