5.5 magnitude earthquake 50 km from Honiara, Guadalcanal, Solomon Islands

1977-04-21 01:20:32 UTC

UTC time: Thursday, April 21, 1977 01:20 AM
Your time: 1977-04-21T01:20:32Z
Magnitude Type: mb
USGS status: Reviewed by a seismologist
Reports from the public: 0 people


A

5.5 magnitude earthquake

1977-04-21 01:20:32 UTC at 01:20
April 21, 1977 UTC

Location:
Epicenter at -9.889, 159.953
50.2 km from Honiara (31.2 miles)

Solomon Islands

Depth: 32 km

Aftershocks:
B

5.1 magnitude earthquake

1977-04-21 01:34:04 UTC at 01:34
April 21, 1977 UTC

Location:
Epicenter at -9.916, 160.348
68.2 km from Honiara (42.2 miles)

Solomon Islands

Depth: 33 km

C

5.2 magnitude earthquake

1977-04-21 01:37:52 UTC at 01:37
April 21, 1977 UTC

Location:
Epicenter at -9.501, 159.726
25.2 km from Honiara (15.2 miles)

Solomon Islands

Depth: 33 km

D

4.9 magnitude earthquake

1977-04-21 02:53:22 UTC at 02:53
April 21, 1977 UTC

Location:
Epicenter at -9.755, 159.978
35.2 km from Honiara (22.2 miles)

Solomon Islands

Depth: 33 km

E

5.4 magnitude earthquake

1977-04-21 03:26:58 UTC at 03:26
April 21, 1977 UTC

Location:
Epicenter at -9.834, 160.312
59.2 km from Honiara (36.2 miles)

Solomon Islands

Depth: 22 km

F

5.2 magnitude earthquake

1977-04-21 03:34:26 UTC at 03:34
April 21, 1977 UTC

Location:
Epicenter at -9.914, 160.176
58.2 km from Honiara (36.2 miles)

Solomon Islands

Depth: 33 km

G

5.0 magnitude earthquake

1977-04-21 03:44:30 UTC at 03:44
April 21, 1977 UTC

Location:
Epicenter at -9.745, 159.767
39.2 km from Honiara (24.2 miles)

Solomon Islands

Depth: 33 km

H

5.1 magnitude earthquake

1977-04-21 04:07:44 UTC at 04:07
April 21, 1977 UTC

Location:
Epicenter at -9.853, 159.925
46.2 km from Honiara (28.2 miles)

Solomon Islands

Depth: 27 km

I

7.5 magnitude earthquake

1977-04-21 04:24:09 UTC at 04:24
April 21, 1977 UTC

Location:
Epicenter at -9.965, 160.731
96.2 km from Taro’a (60.2 miles)

Solomon Islands

Depth: 33 km

J

4.9 magnitude earthquake

1977-04-21 04:56:19 UTC at 04:56
April 21, 1977 UTC

Location:
Epicenter at -9.819, 160.305
57.2 km from Honiara (35.2 miles)

Solomon Islands

Depth: 34 km