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Light mag. 4.7 earthquake - 58 km north of Colchani, Departamento de Potosi, Bolivia, on Saturday, Mar 18, 2023 at 2:50 am (GMT -4) -

Light mag. 4.7 earthquake - 58 km north of Colchani, Departamento de Potosi, Bolivia, on Saturday, Mar 18, 2023 at 2:50 am (GMT -4) Light mag. 4.7 earthquake - 58 km north of Colchani, Departamento de Potosi, Bolivia, on Saturday, Mar 18, 2023 at 2:50 am (GMT -4)

Light magnitude 4.7 earthquake at 242 km depth

18 Mar 06:54 UTC: First to report: GFZ after 5 minutes.
18 Mar 06:56: Magnitude recalculated from 4.5 to 4.4. Epicenter location corrected by 3.9 km (2.4 mi) towards NNE.
18 Mar 07:06: Now using data updates from USGS

Earthquake details

Date & timeMar 18, 2023 06:50:07 UTC -
Local time at epicenterSaturday, Mar 18, 2023 at 2:50 am (GMT -4)
Depth242.1 km
Epicenter latitude / longitude19.7823°S / 66.9232°W (Departamento de Potosi, Bolivia)
Antipode19.782°N / 113.077°E
Shaking intensityNot felt
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNuevo Mundo (46 km / 29 mi)
Nearby towns and cities58 km (36 mi) N of Colchani (Potosí) (pop: 12,000) | Show on map | Quakes nearby
76 km (47 mi) N of Uyuni (Antonio Quijarro, Potosí) (pop: 10,300) | Show on map | Quakes nearby
99 km (62 mi) S of Challapata (Eduardo Avaroa, Oruro) (pop: 8,020) | Show on map | Quakes nearby
125 km (77 mi) W of Ciudad Potosi (Potosí) (pop: 141,300) | Show on map | Quakes nearby
155 km (96 mi) SSW of Llallagua (Rafael Bustillo, Potosí) (pop: 28,100) | Show on map | Quakes nearby
193 km (120 mi) WSW of Sucre (Chuquisaca) (pop: 224,800) | Show on map | Quakes nearby
278 km (173 mi) SSW of Cochabamba (pop: 900,400) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 6.8°C (44 F), humidity: 55%, wind: 3 m/s (6 kts) from SE
Estimated seismic energy released7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
4.7242 km57 Km N of Colchani, BoliviaUSGS
4.7242 kmSouthern BoliviaRaspberryShake
4.4237 kmSouthern BoliviaGFZ
4.710 kmSouthern BoliviaIRIS


Seismic station: Chusmiza, Chile (GO01/C network) | Distance from quake: 238 km / 148 mi | Show on map | Station Info
Seismic station Chusmiza, Chile: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
San Salvador de Jujuy (518.4 km SSE of epicenter) [Map] / not felt (reported through our app)
Cochabamba / not felt (reported through our app)

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