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Minor mag. 3.4 earthquake - 1.2 km SSW of Fagradalsfjall (Iceland) on Monday, 20 July 2020

This quake was likely an aftershock of the 4.6 quake: 0.3 km SW of Fagradalsfjall (Iceland), 19 Jul 2020 23:36, which had occurred 7 hours earlier.
Minor mag. 3.4 earthquake  - 1.2 km SSW of Fagradalsfjall (Iceland) on Monday, 20 July 2020
20 Jul 06:22 UTC: First to report: IMO after 9 minutes.
Hypocenter depth recalculated from 2.8 to 2.9 km.
Jul 20 10:19: Magnitude recalculated from 3.1 to 3.4.
Hypocenter depth recalculated from 2.9 to 3.8 km.
Date & time: Monday, 20 July 2020 06:13 UTC
Magnitude: 3.4
Depth: 3.8 km
Epicenter latitude / longitude: 63.892°N / 22.279°W (Iceland)
Nearest volcano: Krísuvík (9 km / 6 mi)
Nearby towns and cities:
10 km (6 mi) NE of Grindavík (pop: 2,900)
11 km (7 mi) SE of Vogar (pop: 1000)
18 km (11 mi) SE of Reykjanesbær (pop: 2,000)
26 km (16 mi) SW of Hafnarfjörður (pop: 26,800)
30 km (19 mi) SW of Kópavogur (pop: 31,700)
33 km (20 mi) SW of Reykjavík (pop: 118,900)
Primary data source: IMO
Estimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 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
Mon, 20 Jul 06:13 UTCM 3.4 / 3.8 km1.2 km SSW of Fagradalsfjall (Iceland)IMO
Mon, 20 Jul 06:13 UTCM 3.1 / 3 kmIceland RegionEMSC

User reports for this quake (8)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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65 km NNE of epicenter [Map] / Weak shaking (MMI III)
31.7 km NE of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
32.6 km NNE of epicenter [Map] / Very weak shaking (MMI II)
Keflavik / Strong shaking (MMI VI)
Keflavík / Light shaking (MMI IV) : Chair vibrating and heard loud noises coming from underneath my building
Seltjarnarnes / Very weak shaking (MMI II)
Asbru / Light shaking (MMI IV)
Seltjarnarnes (Iceland, 31 km NE of epicenter) : Top floor of 5 story building. Felt a good rumble for a few seconds. (reported through EMSC)

Earlier earthquakes in the same area

Minor mag. 3.4 earthquake - 1.2 km SSW of Fagradalsfjall (Iceland) on Monday, 20 July 2020

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