Get our newsletter!
Check out our volcano tours on VolcanoAdventures.com!
Volcanoes & Earthquakes - new app for Android
Guaranteed tours
8-16 May 2021: From Stromboli to Etna - Sicila and Eolian Islands (Italy)
: spaces available / : guaranteed / : few spaces left / : booked out
Interactive map of latest earthquakes and active volcanoes in the world

Major mag. 7.0 earthquake - Molucca Sea (Indonesia) on Saturday, 13 April 1985

Major mag. 7.0 earthquake  - Molucca Sea (Indonesia) on Saturday, 13 April 1985
Date & time: Saturday, 13 April 1985 03:00 UTC
Magnitude: 7.0
Depth: 50.7 km
Epicenter latitude / longitude: 1.622°N / 126.411°E (Indonesia)
Nearest volcano: Todoko-Ranu (125 km / 78 mi)
Nearby towns and cities:
137 km (85 mi) E of Bitung (pop: 137,400)
142 km (88 mi) NW of Ternate (pop: 101,700)
160 km (100 mi) E of Laikit, Laikit II (Dimembe) (pop: 8,000)
161 km (100 mi) NW of Sofifi (pop: 36,200)
174 km (108 mi) E of Manado (pop: 451,900)
2341 km (1455 mi) NE of Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 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
Sat, 13 Apr 03:00 UTCM 7.0 / 50.7 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 yet. If you felt it be the first to report it!

Aftershocks of the 7.0 quake: Molucca Sea (Indonesia), 13 Apr 1985 03:00

More info
Recorded aftershocks, latest first (98 quakes):
  • 29 Mar 1987 23:24 UTC
    | M 5.1 |
    69.3 km (43.1 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 19 Mar 1987 08:31 UTC
    | M 5.0 |
    37.6 km (23.4 mi) depth
    |
    105 km (65 mi) distance
    | USGS | Details
  • 18 Mar 1987 00:22 UTC
    | M 6.1 |
    29.7 km (18.5 mi) depth
    |
    58 km (36 mi) distance
    | USGS | Strong mag. 6.1 earthquake - Molucca Sea (Indonesia) on Wednesday, 18 March 1987
  • 13 Mar 1987 09:28 UTC
    | M 5.0 |
    66.5 km (41.3 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details
  • 12 Mar 1987 07:35 UTC
    | M 5.0 |
    62.7 km (39 mi) depth
    |
    129 km (80 mi) distance
    | USGS | Details
  • 23 Feb 1987 23:49 UTC
    | M 5.1 |
    46.6 km (29 mi) depth
    |
    89 km (55 mi) distance
    | USGS | Details
  • 21 Feb 1987 01:05 UTC
    | M 5.2 |
    41.6 km (25.8 mi) depth
    |
    118 km (73 mi) distance
    | USGS | Details
  • 16 Feb 1987 22:20 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    80 km (50 mi) distance
    | USGS | Details
  • 16 Feb 1987 17:45 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    77 km (48 mi) distance
    | USGS | Details
  • 16 Feb 1987 17:28 UTC
    | M 6.2 |
    25.1 km (15.6 mi) depth
    |
    91 km (56 mi) distance
    | USGS | Strong mag. 6.2 earthquake - Molucca Sea (Indonesia) on Monday, 16 February 1987
  • 16 Feb 1987 16:39 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    88 km (55 mi) distance
    | USGS | Details
  • 16 Feb 1987 09:38 UTC
    | M 5.4 |
    36.9 km (22.9 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 14 Feb 1987 12:08 UTC
    | M 5.0 |
    66.5 km (41.3 mi) depth
    |
    103 km (64 mi) distance
    | USGS | Details
  • 14 Feb 1987 09:00 UTC
    | M 5.2 |
    51.5 km (32 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 13 Feb 1987 07:18 UTC
    | M 6.8 |
    32.2 km (20 mi) depth
    |
    109 km (68 mi) distance
    | USGS | Strong mag. 6.8 earthquake - Molucca Sea (Indonesia) on Friday, 13 February 1987
  • 08 Feb 1987 17:48 UTC
    | M 6.2 |
    16.9 km (10.5 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Strong mag. 6.2 earthquake - Molucca Sea (Indonesia) on Sunday, 8 February 1987
  • Show all

Earlier earthquakes in the same area

Major mag. 7.0 earthquake - Molucca Sea (Indonesia) on Saturday, 13 April 1985

More on VolcanoDiscovery

 
Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.