4.9 magnitude earthquake 69 km from Honiara, Guadalcanal, Solomon Islands

1977-04-21 08:38:43 UTC

UTC time: Thursday, April 21, 1977 08:38 AM
Your time: 1977-04-21T08:38:43Z
Magnitude Type: mb
USGS status: Reviewed by a seismologist
Reports from the public: 0 people


A

4.9 magnitude earthquake

1977-04-21 08:38:43 UTC at 08:38
April 21, 1977 UTC

Location:
Epicenter at -10.0, 160.233
69.2 km from Honiara (43.2 miles)

Solomon Islands

Depth: 8 km

Aftershocks:
B

5.0 magnitude earthquake

1977-04-21 09:36:58 UTC at 09:36
April 21, 1977 UTC

Location:
Epicenter at -10.147, 160.749
113.2 km from Taro’a (70.2 miles)

Solomon Islands

Depth: 51 km

C

5.6 magnitude earthquake

1977-04-21 09:45:38 UTC at 09:45
April 21, 1977 UTC

Location:
Epicenter at -10.276, 160.749
126.2 km from Taro’a (78.2 miles)

Solomon Islands

Depth: 33 km

D

5.0 magnitude earthquake

1977-04-21 10:26:03 UTC at 10:26
April 21, 1977 UTC

Location:
Epicenter at -9.953, 160.462
80.2 km from Honiara (49.2 miles)

Solomon Islands

Depth: 33 km

E

4.9 magnitude earthquake

1977-04-21 12:10:13 UTC at 12:10
April 21, 1977 UTC

Location:
Epicenter at -9.875, 160.287
61.2 km from Honiara (38.2 miles)

Solomon Islands

Depth: 26 km

F

4.6 magnitude earthquake

1977-04-21 12:24:45 UTC at 12:24
April 21, 1977 UTC

Location:
Epicenter at -9.865, 160.028
48.2 km from Honiara (30.2 miles)

Solomon Islands

Depth: 24 km

G

4.6 magnitude earthquake

1977-04-21 16:00:15 UTC at 16:00
April 21, 1977 UTC

Location:
Epicenter at -10.222, 160.847
117.2 km from Taro’a (72.2 miles)

Solomon Islands

Depth: 14 km

H

5.4 magnitude earthquake

1977-04-21 16:12:35 UTC at 16:12
April 21, 1977 UTC

Location:
Epicenter at -10.183, 160.146
85.2 km from Honiara (53.2 miles)

Solomon Islands

Depth: 20 km

I

5.4 magnitude earthquake

1977-04-21 16:53:11 UTC at 16:53
April 21, 1977 UTC

Location:
Epicenter at -10.192, 160.626
111.2 km from Honiara (69.2 miles)

Solomon Islands

Depth: 12 km

J

4.7 magnitude earthquake

1977-04-21 20:15:45 UTC at 20:15
April 21, 1977 UTC

Location:
Epicenter at -10.296, 160.357
105.2 km from Honiara (65.2 miles)

Solomon Islands

Depth: 33 km