7.7 magnitude earthquake 133 km from Hihifo, Niuas, Tonga

1981-09-01 09:29:31 UTC

UTC time: Tuesday, September 01, 1981 09:29 AM
Your time: 1981-09-01T09:29:31Z
Magnitude Type: ms
USGS status: Reviewed by a seismologist
Reports from the public: 0 people


A
1981-09-01 09:29:31 UTC 7.7 magnitude, 25 km depth
Hihifo, Niuas, Tonga

7.7 magnitude earthquake

1981-09-01 09:29:31 UTC at 09:29
September 01, 1981 UTC

Location:
Epicenter at -14.96, -173.085
133.2 km from Hihifo (83.2 miles)

Samoa Islands

Depth: 25 km

Aftershocks:
B
1981-09-01 09:59:32 UTC 5.6 magnitude, 33 km depth
Hihifo, Niuas, Tonga

5.6 magnitude earthquake

1981-09-01 09:59:32 UTC at 09:59
September 01, 1981 UTC

Location:
Epicenter at -15.154, -173.264
105.2 km from Hihifo (65.2 miles)

Samoa Islands

Depth: 33 km

C
1981-09-01 10:59:03 UTC 5.2 magnitude, 33 km depth
Hihifo, Niuas, Tonga

5.2 magnitude earthquake

1981-09-01 10:59:03 UTC at 10:59
September 01, 1981 UTC

Location:
Epicenter at -15.019, -173.36
113.2 km from Hihifo (70.2 miles)

Samoa Islands

Depth: 33 km

D
1981-09-01 11:54:38 UTC 4.5 magnitude, 33 km depth
Hihifo, Niuas, Tonga

4.5 magnitude earthquake

1981-09-01 11:54:38 UTC at 11:54
September 01, 1981 UTC

Location:
Epicenter at -15.72, -172.637
126.2 km from Hihifo (78.2 miles)

Samoa Islands

Depth: 33 km

E
1981-09-01 12:39:14 UTC 4.8 magnitude, 33 km depth
Hihifo, Niuas, Tonga

4.8 magnitude earthquake

1981-09-01 12:39:14 UTC at 12:39
September 01, 1981 UTC

Location:
Epicenter at -15.055, -173.311
112.2 km from Hihifo (69.2 miles)

Samoa Islands

Depth: 33 km

F
1981-09-01 15:24:36 UTC 5.1 magnitude, 33 km depth
Hihifo, Niuas, Tonga

5.1 magnitude earthquake

1981-09-01 15:24:36 UTC at 15:24
September 01, 1981 UTC

Location:
Epicenter at -15.231, -173.071
111.2 km from Hihifo (69.2 miles)

Samoa Islands

Depth: 33 km

G
1981-09-01 18:08:08 UTC 4.6 magnitude, 33 km depth
Hihifo, Niuas, Tonga

4.6 magnitude earthquake

1981-09-01 18:08:08 UTC at 18:08
September 01, 1981 UTC

Location:
Epicenter at -15.154, -173.329
101.2 km from Hihifo (63.2 miles)

Samoa Islands

Depth: 33 km

H
1981-09-01 18:38:47 UTC 5.7 magnitude, 33 km depth
Hihifo, Niuas, Tonga

5.7 magnitude earthquake

1981-09-01 18:38:47 UTC at 18:38
September 01, 1981 UTC

Location:
Epicenter at -15.314, -173.301
88.2 km from Hihifo (55.2 miles)

Samoa Islands

Depth: 33 km

I
1981-09-01 23:55:45 UTC 5.6 magnitude, 33 km depth
Hihifo, Niuas, Tonga

5.6 magnitude earthquake

1981-09-01 23:55:45 UTC at 23:55
September 01, 1981 UTC

Location:
Epicenter at -15.225, -173.178
104.2 km from Hihifo (64.2 miles)

Samoa Islands

Depth: 33 km

J
1981-09-02 00:34:27 UTC 4.9 magnitude, 33 km depth
Hihifo, Niuas, Tonga

4.9 magnitude earthquake

1981-09-02 00:34:27 UTC at 00:34
September 02, 1981 UTC

Location:
Epicenter at -15.419, -172.866
115.2 km from Hihifo (72.2 miles)

Samoa Islands

Depth: 33 km