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Very strong mag. 6.5 earthquake - 46 km north of Pulau Gureda Island, North Maluku, Indonesia, on Saturday, August 10, 1968 at 05:51 GMT

Very strong mag. 6.5 earthquake - 46 km north of Pulau Gureda Island, North Maluku, Indonesia, on Saturday, August 10, 1968 at 05:51 GMT

Very strong magnitude 6.5 earthquake at 25 km depth

Date & time: Aug 10, 1968 05:51:48 UTC
Magnitude: 6.5
Depth: 25.0 km
Epicenter latitude / longitude: 1.402°N / 126.182°E (Molucca Sea, Indonesia)
Antipode: 1.402°S / 53.818°W
Nearest volcano: Tangkoko (110 km / 68 mi)
Nearby towns and cities:
111 km (69 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
135 km (84 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
142 km (88 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
148 km (92 mi) E of Manado (pop: 451,900) --> See nearby quakes!
150 km (93 mi) WNW of Ternate (pop: 101,700) --> See nearby quakes!
154 km (95 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
170 km (106 mi) WNW of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
206 km (128 mi) W of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
360 km (224 mi) ENE of Gorontalo (pop: 144,200) --> See nearby quakes!
459 km (285 mi) NE of Luwuk (pop: 47,800) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
6.525 kmMolucca Sea (Indonesia)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Recorded aftershocks, latest first (8 quakes)

Date and timeMag
Jan 25, 1969 05:19
53 years ago

35 km
23 km SW of Pulau Gureda Island, North Maluku, IndonesiaMore
Nov 22, 1968 10:31
54 years ago

85 km
59 km E of Bitung, North Sulawesi, IndonesiaMore
Oct 31, 1968 09:06
54 years ago

35 km
24 km N of Pulau Gureda Island, North Maluku, IndonesiaMore
Aug 18, 1968 18:56
54 years ago

35 km
Pulau Gureda, 144 km E of Manado, North Sulawesi, IndonesiaMore
Aug 17, 1968 04:00
54 years ago

35 km
44 km N of Pulau Gureda Island, North Maluku, IndonesiaMore
Aug 13, 1968 02:52
54 years ago

30 km
143 km NW of Ternate, North Maluku, IndonesiaMore
Aug 11, 1968 20:00
54 years ago

30 km
76 km NE of Pulau Gureda Island, North Maluku, IndonesiaMore
Aug 10, 1968 08:10
54 years ago

30 km
124 km E of Bitung, North Sulawesi, IndonesiaMore

Earlier earthquakes in the same area

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