| Magnitude | 7.5 |
| Alert | Extreme |
| Depth | 33.0 km |
| Coordinates | -9.844, 160.822 |
| UTC time | 1977-04-20 23:49:13.100 |
Earthquake details
Wednesday, April 20, 1977 Earthquake
The earthquake hit Solomon Islands on Wednesday, April 20, 1977 at 23:49 UTC with a magnitude of 7.5. The closest known location in the current dataset is Honiara (Solomon Islands - SB), about 106.1 km away. The epicenter is located at longitude 160.822 and latitude -9.844.
| Location | Honiara |
| Country | Solomon Islands (SB) |
| Severity | Extreme |
Earthquake map 1977-04-20
Closest countries
The 12 closest cities near the epicenter.
| Honiara | 106.1 km |
| Arawa | 705.3 km |
| Port Vila | 1194.4 km |
| Port Moresby | 1500.7 km |
| Noumea | 1508.4 km |
| Lae | 1561.9 km |
| Mackay | 1772.5 km |
| Cairns | 1809.6 km |
| Tarawa | 1833.4 km |
| Townsville | 1836.8 km |
| Gladstone | 1860.6 km |
| Rockhampton | 1863.9 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
|
55.9 km |
|
M 4.3
Honiara
Solomon Islands · 2026-03-24 17:18 UTC
|
91.9 km |
|
M 5.1
Honiara
Solomon Islands · 2026-02-14 03:12 UTC
|
156.8 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-31 03:26 UTC
|
155.9 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-31 02:42 UTC
|
159.1 km |
|
M 4.9
Honiara
Solomon Islands · 2026-01-31 02:34 UTC
|
155.5 km |
|
M 4.8
Honiara
Solomon Islands · 2026-01-30 22:57 UTC
|
160.0 km |
|
M 4.3
Honiara
Solomon Islands · 2026-01-15 03:41 UTC
|
113.1 km |
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