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Moderate mag. 4.5 earthquake - 82 km north of Mamuju, West Sulawesi, Indonesia, on Monday, Sep 26, 2022 at 3:43 am (GMT +8) -

Moderate mag. 4.5 earthquake - 82 km north of Mamuju, West Sulawesi, Indonesia, on Monday, Sep 26, 2022 at 3:43 am (GMT +8) Moderate mag. 4.5 earthquake - 82 km north of Mamuju, West Sulawesi, Indonesia, on Monday, Sep 26, 2022 at 3:43 am (GMT +8)

Moderate magnitude 4.5 earthquake at 19 km depth

25 Sep 19:51 UTC: First to report: EMSC after 8 minutes.
25 Sep 20:15: Magnitude recalculated from 4.4 to 4.7. Hypocenter depth recalculated from 11.0 to 44.0 km (from 6.8 to 27 mi). Epicenter location corrected by 2.5 km (1.5 mi) towards NNW.
25 Sep 20:15: Now using data updates from USGS
25 Sep 20:19: Now using data updates from BMKG

Earthquake details

Date & timeSep 25, 2022 19:43:25 UTC -
Local time at epicenterMonday, Sep 26, 2022 at 3:43 am (GMT +8)
StatusConfirmed
Magnitude4.5
Depth19.0 km
Epicenter latitude / longitude1.94°S / 118.9°E (Makassar Strait, Indonesia)
Antipode1.94°N / 61.1°W
Shaking intensityLight shaking near epicenter
Felt0 reports
Primary data sourceBMKG (Meteorological, Climatological, and Geophysical Agency of Indonesia)
Nearby towns and cities82 km (51 mi) N of Mamuju (pop: 15,000) | Show on map | Quakes nearby
158 km (98 mi) SW of Palu (pop: 282,400) | Show on map | Quakes nearby
159 km (99 mi) NW of Rantepao (pop: 40,400) | Show on map | Quakes nearby
173 km (108 mi) NNW of Polewali (pop: 58,200) | Show on map | Quakes nearby
186 km (115 mi) NW of Palopo (pop: 129,300) | Show on map | Quakes nearby
236 km (147 mi) ESE of City of Balikpapan (pop: 700,000) | Show on map | Quakes nearby
242 km (150 mi) ESE of Balikpapan (pop: 433,900) | Show on map | Quakes nearby
253 km (157 mi) SE of camarinta (pop: 355,200) | Show on map | Quakes nearby
156 km (97 mi) W of Sulawesi Island (pop: 18,455,100) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 27.5°C (81 F), humidity: 77%, wind: 1 m/s (3 kts) from ESE
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
Show interactive Map
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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
4.519 kmIndonesia: Di Laut 67 Km BaratLaut Mamuju TengahBMKG
4.744 kmSulawesi, IndonesiaRaspberryShake
4.740 kmSULAWESI, INDONESIAEMSC
4.744 km83 Km N of Mamuju, IndonesiaUSGS
4.710 kmSulawesi, IndonesiaIRIS
4.545 kmSulawesi, IndonesiaGFZ

Seismograms

Seismic station: Kuching (KSM/MY network) | Distance from quake: 1028 km / 639 mi | Show on map | Station Info
Seismic station Kuching: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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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.

Earlier earthquakes in the same area

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