Moderate mag. 5.1 earthquake - Maluku Sea, 70 km south of Libuton Kelapa Island, Sulawesi Baroh, Indonesia, on Sunday, 25 October 1987 at 01:01 (GMT)

Moderate mag. 5.1 earthquake - Maluku Sea, 70 km south of Libuton Kelapa Island, Sulawesi Baroh, Indonesia, on Sunday, 25 October 1987 at 01:01 (GMT)

Moderate magnitude 5.1 earthquake at 77 km depth

Date & time: 25 Oct 1987 01:01:21 UTC
Magnitude: 5.1
Depth: 76.6 km
Epicenter latitude / longitude: 0.179°S / 124.469°E (Maluku Sea, Indonesia)
Nearest volcano: Ambang (102 km / 63 mi)
Nearby towns and cities:
170 km (106 mi) SSW of Tomohon (pop: 27,600) --> See nearby quakes!
172 km (107 mi) SSW of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
176 km (109 mi) ESE of Gorontalo (pop: 144,200) --> See nearby quakes!
190 km (118 mi) SSW of Manado (pop: 451,900) --> See nearby quakes!
199 km (124 mi) SSW of Bitung (pop: 137,400) --> See nearby quakes!
206 km (128 mi) ENE of Luwuk (pop: 47,800) --> See nearby quakes!
342 km (212 mi) WSW of Ternate (pop: 101,700) --> See nearby quakes!
358 km (223 mi) WSW of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
475 km (295 mi) NNE of Kendari (pop: 195,000) --> See nearby quakes!
569 km (353 mi) NW of Ambon City (pop: 355,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 5.177 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.
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Aftershocks

More info
Recorded aftershocks, latest first (1 quakes):
  • 15 Dec 1987 17:31 UTC
    | M 4.7 |
    91.1 km (56.6 mi) depth
    |
    4 km (3 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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