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Moderate mag. 4.5 earthquake - South Pacific Ocean, 113 km southwest of Ilo, Departamento de Moquegua, Peru, on Thursday, Sep 22, 2022 at 8:39 pm (GMT -5) -

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Moderate mag. 4.5 earthquake - South Pacific Ocean, 113 km southwest of Ilo, Departamento de Moquegua, Peru, on Thursday, Sep 22, 2022 at 8:39 pm (GMT -5) Moderate mag. 4.5 earthquake - South Pacific Ocean, 113 km southwest of Ilo, Departamento de Moquegua, Peru, on Thursday, Sep 22, 2022 at 8:39 pm (GMT -5)

Moderate magnitude 4.5 earthquake at 25 km depth

23 Sep 01:43 UTC: First to report: EMSC after 4 minutes.
23 Sep 01:56: Magnitude recalculated from 4.2 to 3.7. Hypocenter depth recalculated from 35.0 to 30.0 km (from 22 to 18.6 mi). Epicenter location corrected by 105 km (65 mi) towards ESE.
23 Sep 02:09: Magnitude recalculated from 3.7 to 4.5. Hypocenter depth recalculated from 30.0 to 25.0 km (from 18.6 to 15.5 mi). Epicenter location corrected by 107 km (67 mi) towards W.
23 Sep 02:09: Now using data updates from USGS
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Earthquake details

Date & timeSep 23, 2022 01:39:25 UTC -
Local time at epicenterThursday, Sep 22, 2022 at 8:39 pm (GMT -5)
Depth24.6 km
Epicenter latitude / longitude18.5216°S / 72.0577°W (South Pacific Ocean, Peru)
Antipode18.522°N / 107.942°E
Shaking intensityLight shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoTutupaca (245 km / 152 mi)
Nearby towns and cities123 km (77 mi) SW of Pacocha (Ilo) (pop: 7,590) | Show on map | Quakes nearby
125 km (77 mi) SW of Ilo (pop: 53,500) | Show on map | Quakes nearby
167 km (104 mi) S of Mollendo (Provincia de Islay) (pop: 29,000) | Show on map | Quakes nearby
186 km (115 mi) W of Arica (Chile) (pop: 186,000) | Show on map | Quakes nearby
188 km (117 mi) SW of San Antonio (pop: 15,600) | Show on map | Quakes nearby
189 km (118 mi) SW of Moquegua (pop: 54,500) | Show on map | Quakes nearby
199 km (123 mi) WSW of Tacna (pop: 280,100) | Show on map | Quakes nearby
896 km (557 mi) SE of Lima (pop: 7,737,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 14.7°C (59 F), humidity: 68%, wind: 3 m/s (5 kts) from SSE
Estimated seismic energy released3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy
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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.
4.525 km122 Km SW of Pacocha, PeruUSGS
4.525 kmPeru: Off Coast of Northern ChileRaspberryShake
4.510 kmPeru: Off Coast Of Northern ChileIRIS
4.210 kmPeru: Off Coast of Northern ChileGFZ


Seismic station: Nana, Peru (NNA/II network) | Distance from quake: 889 km / 553 mi | Show on map | Station Info
Seismic station Nana, Peru: 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. 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 yet. If you felt it be the first to report it!

Earlier earthquakes in the same area

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