| Magnitude | 7.5 |
| Alert | Extreme |
| Depth | 19.0 km |
| Coordinates | -9.890, 160.348 |
| UTC time | 1977-04-20 23:42:50.500 |
Earthquake details
Wednesday, April 20, 1977 Earthquake
The earthquake hit Solomon Islands on Wednesday, April 20, 1977 at 23:42 UTC with a magnitude of 7.5. The closest known location in the current dataset is Honiara (Solomon Islands - SB), about 67.0 km away. The epicenter is located at longitude 160.348 and latitude -9.890.
| Location | Honiara |
| Country | Solomon Islands (SB) |
| Severity | Extreme |
Earthquake map 1977-04-20
Closest countries
The 12 closest cities near the epicenter.
| Honiara | 67.0 km |
| Arawa | 666.1 km |
| Port Vila | 1226.0 km |
| Port Moresby | 1448.8 km |
| Lae | 1512.1 km |
| Noumea | 1524.5 km |
| Mackay | 1733.4 km |
| Cairns | 1761.2 km |
| Townsville | 1792.1 km |
| Gladstone | 1829.2 km |
| Rockhampton | 1830.4 km |
| Mount Hagen | 1832.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.3
Honiara
Solomon Islands · 2026-03-26 01:52 UTC
|
4.0 km |
|
M 4.3
Honiara
Solomon Islands · 2026-03-24 17:18 UTC
|
94.0 km |
|
M 5.1
Honiara
Solomon Islands · 2026-02-14 03:12 UTC
|
108.3 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-31 03:26 UTC
|
105.1 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-31 02:42 UTC
|
108.2 km |
|
M 4.9
Honiara
Solomon Islands · 2026-01-31 02:34 UTC
|
104.9 km |
|
M 4.8
Honiara
Solomon Islands · 2026-01-30 22:57 UTC
|
111.9 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-15 03:41 UTC
|
68.5 km |
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