Moderate mag. 5.1 earthquake - Minahasa, Sulawesi, Indonesia, on Thursday, 1 April 1999 at 23:30 (GMT)

Moderate mag. 5.1 earthquake  - Minahasa, Sulawesi, Indonesia, on Thursday, 1 April 1999 at 23:30 (GMT)

Moderate magnitude 5.1 earthquake at 33 km depth

Date & time: 1 Apr 1999 11:30:27 UTC###AGESTRINGCOPY###
Magnitude: 5.1
Depth: 33.0 km
Epicenter latitude / longitude: 0.704°N / 119.662°E (Indonesia)
Nearest volcano: Una Una (237 km / 147 mi)
Nearby towns and cities:
45 km (28 mi) W of Sendana
55 km (34 mi) NNW of Rodo (Central Sulawesi)
56 km (35 mi) W of Kombo (Central Sulawesi)
181 km (112 mi) N of Palu (Central Sulawesi) (pop: 282,400)
250 km (156 mi) ENE of Bontang (East Kalimantan) (pop: 101,700)
263 km (164 mi) NNW of Poso (Central Sulawesi) (pop: 47,100)
384 km (239 mi) NE of Balikpapan (East Kalimantan) (pop: 433,900)
1618 km (1005 mi) ENE of Jakarta (pop: 8,540,100)
Primary data source: USGS
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) [learn more]
[smaller] [bigger]
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.
M 5.133 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!
Volcanoes & Earthquakes - new app for Android

Aftershocks of the 5.1 quake Minahasa, Sulawesi, Indonesia, 1 April 23:30 UTC

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Earlier earthquakes in the same area

Moderate mag. 5.1 earthquake - Minahasa, Sulawesi, Indonesia, on Thursday, 1 April 1999 at 23:30 (GMT)
Volcanoes & Earthquakes - new app for Android

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.