Light mag. 4.5 earthquake - 44 km west of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, on Tuesday, Jun 28, 2022 at 11:44 am (GMT -3) -
Quake Data | Interactive map | User Reports | Earlier quakes here | Quakes in Argentina | Quakes in Chile | San Juan | Mendoza | Santiago
Light magnitude 4.5 earthquake at 111 km depth
28 Jun 14:52 UTC: First to report: RaspberryShake after 8 minutes.
28 Jun 14:56: Magnitude recalculated from 4.7 to 4.6. Hypocenter depth recalculated from 174.0 to 108.0 km (from 108 to 67 mi). Epicenter location corrected by 46 km (28 mi) towards E.
28 Jun 15:07: Now using data updates from USGS
3 Jul 18:24: Hypocenter depth recalculated from 112.4 to 111.0 km (from 70 to 69 mi). Epicenter location corrected by 3.3 km (2.1 mi) towards E.
28 Jun 14:56: Magnitude recalculated from 4.7 to 4.6. Hypocenter depth recalculated from 174.0 to 108.0 km (from 108 to 67 mi). Epicenter location corrected by 46 km (28 mi) towards E.
28 Jun 15:07: Now using data updates from USGS
3 Jul 18:24: Hypocenter depth recalculated from 112.4 to 111.0 km (from 70 to 69 mi). Epicenter location corrected by 3.3 km (2.1 mi) towards E.
Update Tue, 28 Jun 2022, 15:00
Magnitude 4.6 earthquake strikes near Ciudad de San Juan, Departamento de Capital, San Juan, Argentina4.6 quake 28 Jun 11:44 am (GMT -3)
Just 16 minutes ago, a 4.6-magnitude earthquake struck near Ciudad de San Juan, Departamento de Capital, San Juan, Argentina. The tremor was recorded in the morning on Tuesday, June 28th, 2022, at 11:44 am local time, at an intermediate depth of 108 km below the surface.
The event was filed by the citizen-seismograph network of RaspberryShake, the first seismological agency to report it.
A second report was later issued by the German Research Centre for Geosciences (GFZ), which listed it as a magnitude 4.6 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.6.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Villa Basilio Nievas (pop. 4,000) located 25 km from the epicenter, Pocito (pop. 41,000) 39 km away, Ciudad de San Juan (pop. 447,000) 44 km away, Villa Paula de Sarmiento (pop. 19,100) 45 km away, Chimbas (pop. 73,800) 46 km away, Santa Lucia (pop. 43,600) 48 km away, Albardon (pop. 20,400) 48 km away, and Caucete (pop. 33,600) 67 km away.
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.
The event was filed by the citizen-seismograph network of RaspberryShake, the first seismological agency to report it.
A second report was later issued by the German Research Centre for Geosciences (GFZ), which listed it as a magnitude 4.6 earthquake as well. A third agency, the European-Mediterranean Seismological Centre (EMSC), reported the same quake at magnitude 4.6.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Villa Basilio Nievas (pop. 4,000) located 25 km from the epicenter, Pocito (pop. 41,000) 39 km away, Ciudad de San Juan (pop. 447,000) 44 km away, Villa Paula de Sarmiento (pop. 19,100) 45 km away, Chimbas (pop. 73,800) 46 km away, Santa Lucia (pop. 43,600) 48 km away, Albardon (pop. 20,400) 48 km away, and Caucete (pop. 33,600) 67 km away.
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.
Earthquake data
Earthquake details
| Date & time | Jun 28, 2022 14:44:31 UTC - |
| Local time at epicenter | Tuesday, Jun 28, 2022 at 11:44 am (GMT -3) |
| Status | Confirmed |
| Magnitude | 4.5 |
| Depth | 111.0 km |
| Epicenter latitude / longitude | 31.5582°S / 69.0212°W  (Departamento de Zonda, San Juan, Argentina) |
| Antipode | 31.558°N / 110.979°E |
| Shaking intensity | Weak shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Tupungatito (217 km / 135 mi) |
| Nearby towns and cities | 27 km (17 mi) W of Villa Basilio Nievas (pop: 4,040) | Show on map | Quakes nearby 44 km (27 mi) WNW of Pocito (pop: 41,000) | Show on map | Quakes nearby 46 km (29 mi) W of Ciudad de San Juan (pop: 447,000) | Show on map | Quakes nearby 46 km (29 mi) W of Villa Paula de Sarmiento (pop: 19,100) | Show on map | Quakes nearby 47 km (29 mi) W of Chimbas (pop: 73,800) | Show on map | Quakes nearby 50 km (31 mi) W of Santa Lucia (pop: 43,600) | Show on map | Quakes nearby 149 km (93 mi) N of Mendoza (pop: 876,900) | Show on map | Quakes nearby 261 km (162 mi) NE of Santiago de Chile (Metropolitana, Chile) (pop: 4,837,300) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Clear Sky  5.6°C (42 F), humidity: 15%, wind: 3 m/s (5 kts) from NW |
| Estimated seismic energy released | 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) | about seismic energy |
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. | Depth | Location | Source |
| 4.5 | 111 km | 27 Km W of Villa Basilio Nievas, Argentina | USGS |
| 4.5 | 115 km | SAN JUAN, ARGENTINA | EMSC |
| 4.6 | 108 km | San Juan Province, Argentina | GFZ |
| 4.5 | 112 km | San Juan Province, Argentina | RaspberryShake |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!
