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Moderate mag. 4.0 earthquake - 79 km west of Bojnourd, North Khorasan, Iran, on Wednesday, Jul 27, 2022 at 7:32 pm (GMT +4:30) -

Moderate magnitude 4.0 earthquake at 10 km depth

27 Jul 15:15 UTC: First to report: IRSC after 12 minutes.

Earthquake details

Date & time	Jul 27, 2022 15:02:39 UTC -
Local time at epicenter	Wednesday, Jul 27, 2022 at 7:32 pm (GMT +4:30)
Status	Confirmed
Magnitude	4
Depth	10.0 km
Epicenter latitude / longitude	37.46°N / 56.44°E (North Khorasan, Iran)
Antipode	37.46°S / 123.56°W
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	IRSC
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	79 km (49 mi) W of Bojnourd (pop: 192,000) \| Show on map \| Quakes nearby 84 km (52 mi) E of Kalāleh (Kalaleh, Golestan) (pop: 33,700) \| Show on map \| Quakes nearby 104 km (65 mi) WNW of Esfarāyen (pop: 59,700) \| Show on map \| Quakes nearby 115 km (71 mi) ENE of Gonbad-e Kāvūs (Golestan) (pop: 131,400) \| Show on map \| Quakes nearby 132 km (82 mi) W of Shīrvān (pop: 82,800) \| Show on map \| Quakes nearby 179 km (112 mi) WSW of Ashkhabad (Ashgabat, Turkmenistan) (pop: 727,700) \| Show on map \| Quakes nearby 310 km (193 mi) WNW of Mashhad (Razavi Khorasan) (pop: 2,307,200) \| Show on map \| Quakes nearby 489 km (304 mi) ENE of Tehran (pop: 7,153,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 25°C (77 F), humidity: 37%, wind: 4 m/s (7 kts) from NW
Estimated seismic energy released	6.3 x 10¹⁰ joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) \| about seismic energy

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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.

Mag.	Depth	Location	Source
4.0	10 km	Iran: 16 Km of Robat-e-ghareh Bil, North Khorasan	IRSC
4.3	2 km	NORTHEASTERN IRAN	EMSC
4.0	10 km	Northern And Central Iran	RaspberryShake

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Seismograms

Seismic station: Garni, Armenia (GNI/IU network) | Distance from quake: 1056 km / 656 mi | Show on map | Station Info

Seismic station Garni, Armenia: 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: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

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