Strong mag. 5.8 earthquake - Indonesia: Minahassa Peninsula, Sulawesi, on Monday, 26 July 2021 at 03:52 (GMT) - information

Strong mag. 5.8 earthquake - 104 km west of Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia, on 26 Jul 11:52 am (GMT +8)

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This quake was likely a foreshock of the 6.3 quake 95 km west of Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia, Jul 26, 2021 8:09 pm (GMT +8), which followed after 8 hours.
Strong mag. 5.8 earthquake - 104 km west of Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia, on 26 Jul 11:52 am (GMT +8) Strong mag. 5.8 earthquake - 104 km west of Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia, on 26 Jul 11:52 am (GMT +8)

Strong magnitude 5.8 earthquake at 10 km depth

26 Jul 03:58 UTC: First to report: EMSC after 7 minutes.
26 Jul 04:00: Now using data updates from BMKG
26 Jul 04:05: Magnitude recalculated from 5.9 to 5.8. Epicenter location corrected by 1.6 km (1 mi) towards SE.
Update Mon, 26 Jul 2021, 04:03
Significant 5.9 quake hits near Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia
5.9 quake 26 Jul 11:52 am (GMT +8)
5.9 quake 26 Jul 11:52 am (GMT +8)
Indonesia was shaken near Luwuk, Kabupaten Banggai, Central Sulawesi, by an earthquake of magnitude 5.9 only 11 minutes ago, Indonesia's Meteorology, Climatology, and Geophysical Agency reported.
The quake hit at a shallow depth of 10 km beneath the epicenter near Luwuk, Kabupaten Banggai, Central Sulawesi, Indonesia, in the morning on Monday 26 July 2021 at 11:52 am local time. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 5.9 as well. A third agency, the German Research Centre for Geosciences (GFZ), reported the same quake at magnitude 5.8.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Luwuk (pop. 47,800) located 105 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Poso (pop. 47,100) located 145 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake data

Earthquake details

Date & timeJul 26, 2021 03:52:04 UTC -
Local time at epicenter26 Jul 11:52 am (GMT +8)
StatusConfirmed
Magnitude5.8
Depth10.0 km
Epicenter latitude / longitude0.74°S / 121.88°E (Gulf of Tomini, Indonesia)
Antipode0.74°N / 58.12°W
Shaking intensityModerate shaking
Felt5 reports
Primary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Nearest volcanoUna Una (69 km / 43 mi)
Nearby towns and cities104 km (64 mi) WNW of Luwuk (pop: 47,800) | Show on map | Quakes nearby
145 km (90 mi) ENE of Poso (pop: 47,100) | Show on map | Quakes nearby
194 km (120 mi) SW of Gorontalo (pop: 144,200) | Show on map | Quakes nearby
224 km (139 mi) E of Palu (pop: 282,400) | Show on map | Quakes nearby
313 km (194 mi) NE of Palopo (pop: 129,300) | Show on map | Quakes nearby
332 km (206 mi) NE of Rantepao (pop: 40,400) | Show on map | Quakes nearby
367 km (228 mi) NNW of Kendari (pop: 195,000) | Show on map | Quakes nearby
412 km (256 mi) SW of Manado (pop: 451,900) | Show on map | Quakes nearby
442 km (275 mi) SW of Bitung (pop: 137,400) | Show on map | Quakes nearby
442 km (275 mi) NE of Parepare (pop: 140,000) | Show on map | Quakes nearby
235 km (146 mi) NE of Sulawesi Island (pop: 18,455,100) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 28.5°C (83 F), humidity: 64%, wind: 2 m/s (4 kts) from N
Estimated seismic energy released3.2 x 1013 joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) | about seismic energy
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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!
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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.
Mag.DepthLocationSource
5.810 kmIndonesia: Minahassa Peninsula, SulawesiBMKG
5.710 kmIndonesia: Minahassa Peninsula, SulawesiGFZ
5.740 kmSULAWESI, INDONESIAEMSC
5.610 kmIndonesia: Near ManadoRENASS
5.718 km98 Km WNW of Luwuk, IndonesiaUSGS
5.834 kmIndonesia: Minahassa Peninsula, SulawesiGeoAu

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Germany Near Usedom / Very weak shaking (MMI II) / rattling, vibrating / 1-2 minutes : The same as the earthwcrakes nearly every night in New Zeald, while I was living there. | One user found this interesting.  
Yogyakarta (1499.8 km WSW of epicenter) [Map] / not felt : Tidak merasakan tpi Gempa ini Tergolong Besar | One user found this interesting. (reported through our app)  
Port Area, PH.NCR.D9, National Capital Region (1705.9 km N of epicenter) [Map] / not felt (reported through our app)
145.1 km WSW of epicenter [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s (reported through our app)
Near España (1719.7 km N of epicenter) [Map] / not felt : too far to be felt (reported through our app)  
Parigi (191.6 km W of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 5-10 s (reported through our app)
Banggai (101.6 km ESE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 5-10 s (reported through our app)
Luwu Timur (227.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s (reported through our app)
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