Mag. 4.1 earthquake - 3.3 km northeast of Dar el Beïda, Dar El Beida, Algiers, Algeria, on Friday, 23 August 2019 at 11:40 (GMT)
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Light magnitude 4.1 earthquake at 10 km depth
23 Aug 11:45 UTC: First to report: IGN after 4 minutes.
Aug 23 11:56: Magnitude recalculated from 4.2 to 4.1.
Hypocenter depth recalculated from 5.0 to 10.0 km.
Aug 23 11:56: Magnitude recalculated from 4.2 to 4.1.
Hypocenter depth recalculated from 5.0 to 10.0 km.
Magnitude: 4.1
Depth: 10.0 km
Epicenter latitude / longitude: 36.7256°N / 3.2464°E
(Algiers, Algeria)Nearby towns and cities:
3 km (2 mi) ENE of Dar el Beïda (Dar El Beida) (pop: 37,300) --> See nearby quakes!
8 km (5 mi) W of Reghaïa (Boumerdes) (pop: 55,000) --> See nearby quakes!
12 km (7 mi) N of Meftah (Blida) (pop: 60,000) --> See nearby quakes!
14 km (9 mi) E of Algiers (pop: 1,977,700) --> See nearby quakes!
15 km (9 mi) NW of Arbatache (Boumerdes) (pop: 17,500) --> See nearby quakes!
19 km (12 mi) NE of Sidi Moussa (Blida) (pop: 57,900) --> See nearby quakes!
21 km (13 mi) WSW of Boumerdas (Boumerdes) (pop: 786,500) --> See nearby quakes!
26 km (16 mi) E of Cheraga (Tipaza) (pop: 27,800) --> See nearby quakes!
28 km (17 mi) ENE of Douéra (Draria, Tipaza) (pop: 26,900) --> See nearby quakes!
34 km (21 mi) ENE of Boufarik (Blida) (pop: 59,700) --> See nearby quakes!
Primary data source: IGN (Instituto Geográfico Nacional)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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.
| Magnitude | Depth | Location | Source |
| M 4.1 | 10 km | E Argel.arg (Algeria) | IGN |
| M 4.5 | 10 km | Northern Algeria | EMSC |
| M 4.5 | 10 km | 20km SW of Lakhdaria, Algeria | USGS |
User reports for this quake (36)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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12.9 km W of epicenter [Map] / not felt (reported through our app)
35.8 km ESE of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
4.8 km WNW of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Boumerdes, Boumerdes. Algeria (19.9 km E of epicenter) [Map] / Moderate shaking (MMI V)
Bir khadem / Light shaking (MMI IV)
102.1 km SE of epicenter [Map] / Moderate shaking (MMI V)
Bomerdes / Light shaking (MMI IV)
Rouiba / Weak shaking (MMI III)
Larbaa / Very weak shaking (MMI II)
Thenia (27.7 km E of epicenter) [Map] / Light shaking (MMI IV)
Corso Tahtani (Algeria, 43 km N of epicenter) : Balancement duLustre (reported through EMSC)
Sétif (Algeria, 178 km E of epicenter) : I feel here in setif (reported through EMSC)
محالمة (Algeria, 61 km NW of epicenter) : I was lying on my bed, then I felt something then I looked to then light bulb I saw it shaking
(reported through EMSC)
Algiers (Algeria, 59 km NW of epicenter) : Ressenti, faible (reported through EMSC)
Algiers (Algeria, 59 km NW of epicenter) : Ressenti faiblement, 3ème étage (Bouzaréah) (reported through EMSC)
Algiers (Algeria, 56 km NW of epicenter) : Légère secousse (reported through EMSC)
الجزائر (Algeria, 56 km NW of epicenter) : A light move of the bed (reported through EMSC)
Algiers (Algeria, 55 km NW of epicenter) : هزة خفيفة دامت حوالي 3 ثواني (reported through EMSC)
Algiers (Algeria, 55 km NW of epicenter) : Une bon e secousse de 3 seconde (reported through EMSC)
Algiers (Algeria, 55 km NW of epicenter) : J'ai pas ressenti ce séisme (reported through EMSC)
Algiers (Algeria, 46 km NW of epicenter) : Short time but felt at basement (reported through EMSC)
Algiers (Algeria, 46 km NW of epicenter) : Secousse sismique de moyenne intensité ressentie à Alger.12h41 am (reported through EMSC)
Rouiba (Algeria, 43 km NW of epicenter) : Légère secousse (reported through EMSC)
Dar el Beïda (Algeria, 43 km NW of epicenter) : Forte mais tres courte (reported through EMSC)
الدار البيضاء (Algeria, 43 km NW of epicenter) : Ça a bien bouger, tous le monde a la maison l'a senti (reported through EMSC)
بومرداس (Algeria, 43 km N of epicenter) : Ressenti a Boumerdes (reported through EMSC)
Boumerdès (Algeria, 42 km N of epicenter) : I was at hope moping the floor i stopped one second than suddenly i heard a little noise like a far explosion and then the earth shaked (reported through EMSC)
البويرة (Algeria, 42 km E of epicenter) : شعور بهزة خفيفة (reported through EMSC)
حمادي (Algeria, 37 km NW of epicenter) : Seule une personne a la maison a ressenti la secousse (reported through EMSC)
أولاد موسى (Algeria, 37 km NW of epicenter) : Faible (reported through EMSC)
Khemis el Khechna (Algeria, 33 km NW of epicenter) : Little shake, people near me didn't feel it (reported through EMSC)
الأربعطاش (Algeria, 31 km NW of epicenter) : Larbatache, wilaya de Boumerdes (reported through EMSC)
عين بسام (Algeria, 23 km SE of epicenter) : عين بسام شعرنا بها (reported through EMSC)
Aïn Bessem (Algeria, 23 km E of epicenter) : Selon les médias c'est une secousse tellurique, 4° sur l'échelle de rechter, 15km au nord-ouest de Lakhdaria. (reported through EMSC)
عين بسام (Algeria, 23 km E of epicenter) : هزة قوية (reported through EMSC)
عين بسام (Algeria, 22 km E of epicenter) : tem (reported through EMSC)
Earlier earthquakes in the same area
Mag. 4.1 earthquake - 3.3 km northeast of Dar el Beïda, Dar El Beida, Algiers, Algeria, on Friday, 23 August 2019 at 11:40 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!
