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Major mag. 7.5 earthquake - Minahasa, Sulawesi, Indonesia on Thursday, 20 June 1991

Major mag. 7.5 earthquake  - Minahasa, Sulawesi, Indonesia on Thursday, 20 June 1991
Date & time: Thursday, 20 June 1991 05:18 UTC
Magnitude: 7.5
Depth: 31.4 km
Epicenter latitude / longitude: 1.196°N / 122.787°E (Indonesia)
Nearest volcano: Ambang (189 km / 117 mi)
Nearby towns and cities:
79 km (49 mi) NW of Gorontalo (pop: 144,200)
1953 km (1213 mi) NE of Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 1.1 x 1016 joules (3117 gigawatt hours, equivalent to 2.7 x 106 tons of TNT or 167.6 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
Thu, 20 Jun 05:18 UTCM 7.5 / 31.4 kmMinahasa, Sulawesi, IndonesiaUSGS
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 yet. If you felt it be the first to report it!

Aftershocks of the 7.5 quake: Minahasa, Sulawesi, Indonesia, 20 Jun 1991 05:18

More info
Recorded aftershocks, latest first (55 quakes):
  • 04 Jun 1993 13:35 UTC
    | M 5.0 |
    30.8 km (19.1 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 04 Jun 1993 11:24 UTC
    | M 5.4 |
    27 km (16.8 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Details
  • 07 May 1993 20:16 UTC
    | M 5.0 |
    194.9 km (121.1 mi) depth
    |
    190 km (118 mi) distance
    | USGS | Details
  • 06 May 1993 05:42 UTC
    | M 5.4 |
    36.7 km (22.8 mi) depth
    |
    54 km (34 mi) distance
    | USGS | Details
  • 21 Apr 1993 12:58 UTC
    | M 5.2 |
    148.6 km (92.3 mi) depth
    |
    167 km (104 mi) distance
    | USGS | Details
  • 11 Apr 1993 11:18 UTC
    | M 5.4 |
    283.6 km (176.2 mi) depth
    |
    122 km (76 mi) distance
    | USGS | Details
  • 10 Apr 1993 09:12 UTC
    | M 5.4 |
    39.2 km (24.4 mi) depth
    |
    237 km (147 mi) distance
    | USGS | Details
  • 20 Mar 1993 19:08 UTC
    | M 5.2 |
    151.6 km (94.2 mi) depth
    |
    137 km (85 mi) distance
    | USGS | Details
  • 29 Dec 1992 01:57 UTC
    | M 5.5 |
    184.8 km (114.8 mi) depth
    |
    132 km (82 mi) distance
    | USGS | Details
  • 23 Dec 1992 05:56 UTC
    | M 5.0 |
    91.1 km (56.6 mi) depth
    |
    151 km (94 mi) distance
    | USGS | Details
  • 19 Dec 1992 21:57 UTC
    | M 5.3 |
    126.9 km (78.9 mi) depth
    |
    160 km (99 mi) distance
    | USGS | Details
  • 24 Nov 1992 23:43 UTC
    | M 5.9 |
    199.7 km (124.1 mi) depth
    |
    143 km (89 mi) distance
    | USGS | Details
  • 19 Nov 1992 04:42 UTC
    | M 5.2 |
    163.1 km (101.3 mi) depth
    |
    195 km (121 mi) distance
    | USGS | Details
  • 16 Oct 1992 18:33 UTC
    | M 5.3 |
    157.4 km (97.8 mi) depth
    |
    112 km (70 mi) distance
    | USGS | Details
  • 02 Oct 1992 19:29 UTC
    | M 5.0 |
    106.5 km (66.2 mi) depth
    |
    101 km (63 mi) distance
    | USGS | Details
  • 29 Sep 1992 15:16 UTC
    | M 5.2 |
    40 km (24.9 mi) depth
    |
    216 km (134 mi) distance
    | USGS | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.5 earthquake - Minahasa, Sulawesi, Indonesia on Thursday, 20 June 1991
 

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