17 May 01:00 UTC: First to report: GFZ after 6 minutes.
17 May 01:00: Magnitude recalculated from 5.2 to 5.3. Epicenter location corrected by 3.5 km (2.1 mi) towards SSW.
An earthquake of magnitude 5.3 occurred only 12 minutes ago 47 km west of Bojnourd, Iran, the German Research Centre for Geosciences (GFZ) reported.
The quake hit at a shallow depth of 10 km beneath the epicenter near Bojnourd, North Khorasan, Iran, early morning on Monday 17 May 2021 at 4:54 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 5.5 earthquake. A third agency, France's Réseau National de Surveillance Sismique (RéNaSS), reported the same quake at magnitude 5.5.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Bojnourd (pop. 192,000) located 47 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Esfarāyen (pop. 59,700) located 76 km from the epicenter, Shīrvān (pop. 82,800) 100 km away, and Kalāleh (pop. 33,700) 116 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 quake hit at a shallow depth of 10 km beneath the epicenter near Bojnourd, North Khorasan, Iran, early morning on Monday 17 May 2021 at 4:54 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 5.5 earthquake. A third agency, France's Réseau National de Surveillance Sismique (RéNaSS), reported the same quake at magnitude 5.5.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Bojnourd (pop. 192,000) located 47 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Esfarāyen (pop. 59,700) located 76 km from the epicenter, Shīrvān (pop. 82,800) 100 km away, and Kalāleh (pop. 33,700) 116 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.
I felt this quake
I didn't feel it
Local time at epicenter: 17 May 5:24 am (GMT +4:30)
Magnitude: 5.3
Depth: 10.0 km
Epicenter latitude / longitude: 37.46°N / 56.8°E
(North Khorasan, Iran)Nearby towns and cities:
47 km (29 mi) W of Bojnourd (pop: 192,000) --> See nearby quakes!
76 km (47 mi) NW of Esfarāyen (pop: 59,700) --> See nearby quakes!
100 km (62 mi) W of Shīrvān (pop: 82,800) --> See nearby quakes!
116 km (72 mi) E of Kalāleh (Kalaleh, Golestan) (pop: 33,700) --> See nearby quakes!
146 km (91 mi) E of Gonbad-e Kāvūs (Golestan) (pop: 131,400) --> See nearby quakes!
150 km (93 mi) WSW of Achgabat (Ashgabat, Turkmenistan) (pop: 727,700) --> See nearby quakes!
150 km (93 mi) ENE of Āzādshahr (Golestan) (pop: 47,600) --> See nearby quakes!
156 km (97 mi) WNW of Qūchān (Razavi Khorasan) (pop: 111,800) --> See nearby quakes!
281 km (175 mi) WNW of Mashhad (Razavi Khorasan) (pop: 2,307,200) --> See nearby quakes!
519 km (322 mi) ENE of Tehran (Tehrān) (pop: 7,153,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
11°C (52 F), humidity: 50%, wind: 1 m/s (2 kts)
Primary data source: GFZ (German Research Centre for Geosciences)Clear Sky
11°C (52 F), humidity: 50%, wind: 1 m/s (2 kts)Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) More info
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!
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!
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.
Click here to search our database for earlier earthquakes in the same area since 1900!
https://news.google.com/__i/rss/rd/articles/CBMidGh0dHBzOi8vd3d3LnZvbGNhbm9kaXNjb3ZlcnkuY29tL2VhcnRocXVha2VzL3F1YWtlLWluZm8vNjI0NjgxNS9tYWc1cXVha2UtTWF5LTE3LTIwMjEtTm9ydGhlcm4tYW5kLUNlbnRyYWwtSXJhbi5odG1s0gEA?oc=5
2021-05-17 01:24:21Z
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