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Moderate mag. 5.0 earthquake - San Juan Province, Argentina, on Monday, 31 December 2018 at 10:49 (GMT)

Moderate mag. 5.0 earthquake  - San Juan Province, Argentina, on Monday, 31 December 2018 at 10:49 (GMT)
31 Dec 10:53 UTC: First to report: GFZ after 4 minutes.
Hypocenter depth recalculated from 135.0 to 92.0 km.
Date & time: 2018-12-31 10:49:40 UTC
Magnitude: 5.0
Depth: 92.0 km
Epicenter latitude / longitude: 31.85°S / 69.2°W (Argentina)
Nearest volcano: Tupungatito (181 km / 112 mi)
Nearby towns and cities:
55 km (34 mi) SW of Villa Basilio Nievas (pop: 4,000)
61 km (38 mi) SE of Calingasta (pop: 8,200)
61 km (38 mi) SW of Pocito (pop: 41,000)
72 km (45 mi) SW of San Juan (pop: 447,000)
121 km (75 mi) NW of Mendoza (pop: 876,900)
153 km (95 mi) NW of San Martín (pop: 82,500)
Primary data source: GFZ
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) [learn more]
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!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
TimeMag. / DepthLocationSource
2018-12-31 10:49:40 UTCM 5.0 / 92 kmSan Juan Province, ArgentinaGFZ
2018-12-31 10:49:40 UTCM 5.0 / 109 kmSAN JUAN, ARGENTINAEMSC
2018-12-31 10:49:41 UTCM 5.4 / 150.7 km74 km al E de Mina Los PelambresGUG (U. Chile)
2018-12-31 10:49:40 UTCM 5.4 / 96.5 kmSan Juan Province, ArgentinaGeoAu
2018-12-31 10:49:41 UTC
2018-12-31 07:49:41 -03:00
M 5.3 / 101.2 km49km S of Calingasta, ArgentinaUSGS

User reports for this quake (93)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Mendoza, Argentina / Light shaking (MMI IV) : I am in the 7th floor of a hotel and I felt the whole room and bed shaking.
Mendoza / Weak shaking (MMI III)
Providencia, Santiago (233.5 km SW of epicenter) [Map] / Very weak shaking (MMI II) : Initial shake enough to wake me from a light sleep and feel the gentle shakes subside. Was on 12th floor of a building.
Mendoza / Moderate shaking (MMI V) : We have been at breakfast in Mendoza in the 17th floor of our hotel when we felt moderate shaking for about 20 second, afterwards for about 2 minutes lighter shaking
Neuquen (795.8 km S of epicenter) [Map] / Weak shaking (MMI III) : Me desperté y sentí una vibración (reported through our app)
121.9 km SSE of epicenter [Map] / Moderate shaking (MMI V) : Movimiento en muebles y ventanas abiertas. Fuerte y corto (reported through our app)
Mendoza / Moderate shaking (MMI V) : Movimiento fuerte y corto tiempo
Santiago, Chile. (229.7 km SW of epicenter) [Map] / Moderate shaking (MMI V) : Was awaken by ondulatory movement. It lasted ~29 seconds.
Las Condes Parque Araucano / Light shaking (MMI IV) : Brief light shaking,woke me up on 15th floor
Vina del mar / Moderate shaking (MMI V)
253 km WSW of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
121.3 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Rawson (70.1 km ENE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
216.4 km SW of epicenter [Map] / Weak shaking (MMI III) : Sudden jolt, the light vibration (reported through our app)
Santiago Las Condes / Light shaking (MMI IV) : Bed shaking
Santiago / Light shaking (MMI IV)
Santiago / Light shaking (MMI IV) : Felt light shaking in Las Condes, Santiago.
Santiago / Weak shaking (MMI III)
115.5 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Santiago, Chile / Light shaking (MMI IV) : Sentimos un remezón
Las Condes, Santiago (217.7 km SW of epicenter) [Map] / Light shaking (MMI IV) : Woke up
Mendoza (353 km SSE of epicenter) [Map] / Light shaking (MMI IV)
Santiago, cl (226.7 km SW of epicenter) [Map] / Light shaking (MMI IV)
Mendoza, Argentina / Moderate shaking (MMI V) : Mendoza, Argentina
206.6 km SW of epicenter [Map] / Moderate shaking (MMI V) : It was a short sharp quake; i had one dog and 3 cats on my bed and they all ran outside. I was half asleep so wasn't sure if it was a lorry passing! (I'm on ground floor) (reported through our app)
216.3 km SW of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
Ciudad de San Juan (70.8 km ENE of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Mendoza, Argentina / Light shaking (MMI IV) : I am in the 7th floor of a hotel and I felt the whole room and bed shaking.
Villa alemana (244.3 km SW of epicenter) [Map] / Light shaking (MMI IV)
Santiago / Weak shaking (MMI III)
Valparaiso (25.5 km W of epicenter) [Map] / Light shaking (MMI IV)
118.7 km SSE of epicenter [Map] / Light shaking (MMI IV)
Maintecillo / Light shaking (MMI IV)
215.6 km SW of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
127.5 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Providencia, Santiago (224.6 km SW of epicenter) [Map] / Very weak shaking (MMI II)
218.8 km SW of epicenter [Map] / Very weak shaking (MMI II)
Con con / Light shaking (MMI IV) : On the sixth floor of concrete high rise near Concon
Zapallar chile / Light shaking (MMI IV) : Zapallar chile
Santiago / Light shaking (MMI IV)
Santiago chile / Weak shaking (MMI III) : rocking
El Golf, Las Condes, Santiago / Moderate shaking (MMI V)
Providencia santiago chile / Very weak shaking (MMI II) : Short and minor shake, 4 seconds or less
227.6 km SW of epicenter [Map] / Light shaking (MMI IV)
Santiago / Very weak shaking (MMI II)
santiago avenida la plaza / Light shaking (MMI IV) : Woke up through it
Santiago (38.6 km SW of epicenter) [Map] / Weak shaking (MMI III)
Valparaiso / Light shaking (MMI IV)
Santiago ( El Bosque, Chile) / Light shaking (MMI IV) : Woke us up
120.6 km SSE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Mendoza, argentina / Light shaking (MMI IV)
La Serena (285.7 km NW of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Santiago de / Very weak shaking (MMI II)
Las condes, Santiago / Moderate shaking (MMI V)
215.9 km SW of epicenter [Map] / Light shaking (MMI IV)
214.5 km SW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Mendoza, Argentina / Light shaking (MMI IV)
118.6 km SSE of epicenter [Map] / Strong shaking (MMI VI) : Se sintió fuertisimo hace unos instantes. Además fue largo (reported through our app)
Uspallata (Argentina, 88 km S of epicenter) : Se sacudió todo por varios segundos, fueron varias veces, la primera fue la más intensa. (reported through EMSC)
El Challao (Argentina, 124 km S of epicenter) : It was short and strong! (reported through EMSC)
(Argentina, 85 km E of epicenter) : Fug U (reported through EMSC)
Viña del Mar (Chile, 247 km SW of epicenter) : Largo (reported through EMSC)
Peñaflor (Chile, 246 km SW of epicenter) : Largo, mucho ruido y ondulatorio. (reported through EMSC)
Ñuñoa (Chile, 219 km SW of epicenter) : Mediana intensidad en SANTIAGO (reported through EMSC)
Ñuñoa (Chile, 217 km SW of epicenter) : harmlos und kaum spürbar (reported through EMSC)
Vitacura (Chile, 212 km SW of epicenter) : Intenso en un tercer piso, con mucho ruido. (reported through EMSC)
Lo Barnechea (Chile, 207 km SW of epicenter) : Just a little shake (reported through EMSC)
Lo Barnechea (Chile, 204 km SW of epicenter) : Shook for a few short seconds. Scared me and the animals, cats & dogs ran outside. located on ground floor. Ok i was asleep so it may have been a huge lorry passing!! (reported through EMSC)
Mendoza (Argentina, 130 km S of epicenter) : Vibración de ventanas, colgantes. (reported through EMSC)
(Argentina, 85 km E of epicenter) : Mucho ruido y vibración breve (reported through EMSC)
(Egypt, 12620 km NE of epicenter) : Bed shook (reported through EMSC)
Algarrobo (Chile, 275 km SW of epicenter) : Leve (reported through EMSC)
Casablanca (Chile, 260 km SW of epicenter) : Casablanca, Chile. (reported through EMSC)
Buin (Chile, 248 km SW of epicenter) : Suave y perceptible (reported through EMSC)
Concón (Chile, 240 km SW of epicenter) : En Concon Chile en piso 14. Se sintio movimiento leve. (reported through EMSC)
Villa Alemana (Chile, 235 km SW of epicenter) : Casi ni se sintió. (reported through EMSC)
Maipú (Chile, 226 km SW of epicenter) : Se sintió en santiago de chile muy leve y rapido (reported through EMSC)
La Cisterna (Chile, 225 km SW of epicenter) : Se sintió leve y suave, acá en el segundo piso de la casa.La Cisterna, Región metropolitana. (reported through EMSC)
Santiago (Chile, 220 km SW of epicenter) : Con ruido subterráneo (reported through EMSC)
Santiago (Chile, 218 km SW of epicenter) : Muy leve movimiento y corto (reported through EMSC)
Santiago (Chile, 217 km SW of epicenter) : Movimiento susve (reported through EMSC)
Santiago (Chile, 217 km SW of epicenter) : Rápido y leve, Santiago centro (reported through EMSC)
Puchuncaví (Chile, 217 km SW of epicenter) : Un poco largo (reported through EMSC)
Renca (Chile, 216 km SW of epicenter) : Movimiento leve y corto . Desde Santiago de Chile (reported through EMSC)
Ñuñoa (Chile, 214 km SW of epicenter) : Shook me out of my bed early morning in Santiago de Chile. Luckily it was only a very short shake, of maybe 2 or 3 seconds. (reported through EMSC)
Quilicura (Chile, 214 km SW of epicenter) : Rapidito pero leve (reported through EMSC)
Recoleta (Chile, 212 km SW of epicenter) : Se sintió (reported through EMSC)
Las Condes (Chile, 212 km SW of epicenter) : Leve y breve en Las Condes, Santiago. Chile (reported through EMSC)
Las Condes (Chile, 210 km SW of epicenter) : Se sintió en Las Condes, aproximadamente 5.5 grados. Breve. (reported through EMSC)
Vitacura (Chile, 209 km SW of epicenter) : Con ruido pero suave (reported through EMSC)
Colina (Chile, 207 km SW of epicenter) : Mercalli 3 a 4 (reported through EMSC)
San Felipe (Chile, 165 km SW of epicenter) : San Felipe, V región cordillera, me levanté a afirmar el TV (reported through EMSC)
Mendoza (Argentina, 129 km SE of epicenter) : Short intense like a wave ups and downs, also noises on earth, no damages (reported through EMSC)

Aftershocks

Moderate mag. 5.0 earthquake - San Juan Province, Argentina, on Monday, 31 December 2018 at 10:49 (GMT)
Please check again later while we are collecting more data.

Earlier earthquakes in the same area

Moderate mag. 5.0 earthquake - San Juan Province, Argentina, on Monday, 31 December 2018 at 10:49 (GMT)
 

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