Contacto | RSS | EN | DE | EL | ES | FR | IT | RU

Sismo débil mag. 2.9 - 19 miles S of Benton, Saline County, Arkansas, USA, jueves, 18 nov 2021 12:01 (GMT -6) -

Sismo débil mag. 2.9 - 19 miles S of Benton, Saline County, Arkansas, USA, jueves, 18 nov 2021 12:01 (GMT -6) Sismo débil mag. 2.9 - 19 miles S of Benton, Saline County, Arkansas, USA, jueves, 18 nov 2021 12:01 (GMT -6)

Sismo débil magnitud 2.9 a 8.9 km de profundidad

18 Nov 18:07 UTC: Primero en informar: USGS después de 7 minutos.
18 Nov 18:38: Profundidad recalculada de 9.2 a 9.4 km (de 5.7 a 5.8 mi). Ubicación del epicentro corregida 1.1 km (0.7 mi) al SO.
18 Nov 18:46: Magnitud recalculada de 2.8 a 2.9. Profundidad recalculada de 9.4 a 8.9 km (de 5.8 a 5.5 mi).

Detalles del terremoto

Fecha y hora18 Nov 2021 18:01:01 UTC -
Hora local en el epicentrojueves, 18 nov 2021 12:01 (GMT -6)
StatusConfirmado
Magnitud2.9
Prof.8.9 km
Epicentro latitud / longitud34.29083°N / 92.582°W (Condado de Grant, Arkansas, Estados Unidos)
Antipode34.291°S / 87.418°E
Intensidad del temblorTemblor débil
Sentido12 informes
Fuente primaria de datosUSGS (United States Geological Survey)
Lugares cercanos4 km al SO de Prattsville (pop: 306) | En el mapa | Sismos cercanos
17 km al O de Sheridan (pop: 4,810) | En el mapa | Sismos cercanos
23 km al ESE de Malvern (pop: 10,900) | En el mapa | Sismos cercanos
30 km al S de Benton (Saline County) (pop: 34,200) | En el mapa | Sismos cercanos
35 km al SSO de Bryant (pop: 20,000) | En el mapa | Sismos cercanos
49 km al ESE de Hot Springs (pop: 35,600) | En el mapa | Sismos cercanos
52 km al ESE de Hot Springs National Park (pop: 35,200) | En el mapa | Sismos cercanos
54 km al O de Pine Bluff (pop: 44,800) | En el mapa | Sismos cercanos
57 km al SSO de Littlerock (pop: 198,000) | En el mapa | Sismos cercanos
61 km al SSO de North Little Rock (pop: 66,500) | En el mapa | Sismos cercanos
Tiempo en el epicentro en el momento del sismoOvercast Clouds 13°C (55 F), humidity: 27%, wind: 5 m/s (10 kts) from NNE
Energía sísmica estimada liberada1.4 x 109 joules (392 kWh, equivalente a 0.338 toneladas de TNT) | about seismic energy
Mostrar mapa interactivo
[Reducir] [Agrandar]

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.
RevistaProf.UbicaciónFuente
2.98.9 km3 Km SW of Prattsville, ArkansasUSGS
3.18 kmARKANSASEMSC

Seismograms

Seismic station: Mount Ida, Arkansas, USA (MIAR/US network) | Distance from quake: 96 km / 59 mi | Show on map | Station Info
Seismic station Mount Ida, Arkansas, USA: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
Mostrar más

User reports for this quake (14)

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Marcar como inapropiado.
Mark as helpful or interesting.
Send your own user report!
Translate
Bradford Arjansad (179.9 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : I hear I heard a thunder swell up and then a really loud bolt of lightning strike. Like the lightning strikes get right in my front yard it was so loud. There was no lightning before that or after it.  
Prattsville / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Loud noise and rumbling woke me up from a nap and things in the house were rattling. Went outside to see if there was a car wreck or maybe a tree had fallen. Very loud.  
212 Country Club Rd, Malvern (16.5 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Sounded like explosion near us, house, windows, floors shook and rattled  
Judsonia (139.9 km NE of epicenter) [Map] / not felt
Home at Traskwood, Ar. (Benton, Ar) (17.1 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating : I was asleep, at noon, I heard a noise, I heard my ceiling fan rocking. This woke me  
near Malvern, Hot Spring, Arkansas (5.1 km NW of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s : Felt like an explosion next door to us.  
near Seridyana, Grant, Arkansas (17.7 km ESE of epicenter) [Map] / Very weak shaking (MMI II)
Poyen AR / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : I was at my school. And it moved everything thing in the classroom and scared me  
8724 Melett lane Benton, at 72015 / not felt / complex motion difficult to describe / 5-10 s
873 Grant 45, Prattsville, Ar / Very weak shaking (MMI II) / single lateral shake / very short : The warning siren test was sounding, then the house shook and heard a sound like an explosion.  
Prattsville / Weak shaking (MMI III) / very short : It was a quick shake and like a boom, almost like someone hit the building I was in  
Malvern Arkansas / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Small shake  
Prattsville / Very weak shaking (MMI II) / single lateral shake / 2-5 s : Just felt house shake  
Poyen, Arkansas / Light shaking (MMI IV) / rattling, vibrating / 2-5 s

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Design upgrade
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.
Volcanoes & Earthquakes
VolcanoDiscovery Home
Volcanes | Sismos | Fotos | News | App
Adventure & Study Travel
Tours to Volcanoes and Volcanic Areas: walking tours, photo tours, study tours
Tours & Dates | FAQ | About us
Get our newsletter!
Company info
Contact | Legal info | Terms & conditions
Follow us
Follow us on facebook Follow us on Instagram Follow us on Twitter Visit our Youtube channel
EN | DE | EL | ES | FR | IT | RU
VolcanoDiscovery GmbH, Germany, Reg. nr.: HRB 103744, EU Tax Id: DE 310 395 322 owned and created by
Dr. Tom Pfeiffer, volcanologist, volcano photographer, tour organizer member of
IAVCEI
Volcanological Society
Ecotourism Greece
Insured by R+V
VolcanoDiscovery © 2004- All Rights Reserved | Privacy - cookie settings