Mag. 4.0 earthquake - Golestan, 34 km north of Shahrud, Semnan, Iran, on Tuesday, 21 August 2018 at 15:29 (GMT)
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Light magnitude 4.0 earthquake at 10 km depth
21 Aug 15:40 UTC: First to report: EMSC after 10 minutes.
Magnitude: 4
Depth: 10.0 km
Epicenter latitude / longitude: 36.71°N / 54.86°E

Nearby towns and cities:
34 km (21 mi) NNW of Shahrud (Semnan) (pop: 131,900) --> See nearby quakes!
40 km (25 mi) ESE of Gorgan (pop: 244,900) --> See nearby quakes!
50 km (31 mi) SSW of Āzādshahr (pop: 47,600) --> See nearby quakes!
66 km (41 mi) SSW of Gonbad-e Kāvūs (pop: 131,400) --> See nearby quakes!
76 km (47 mi) NE of Dāmghān (Semnan) (pop: 67,700) --> See nearby quakes!
93 km (58 mi) SW of Kalāleh (Kalaleh) (pop: 33,700) --> See nearby quakes!
117 km (72 mi) E of Behshahr (Māzandarān) (pop: 93,500) --> See nearby quakes!
139 km (87 mi) E of Nekā (Māzandarān) (pop: 48,800) --> See nearby quakes!
174 km (108 mi) E of Jūybār (Juybar, Māzandarān) (pop: 28,400) --> See nearby quakes!
175 km (109 mi) NE of Mahdishahr (Mahdi Shahr, Semnan) (pop: 21,000) --> See nearby quakes!
196 km (121 mi) E of Babol (Māzandarān) (pop: 202,800) --> See nearby quakes!
197 km (122 mi) E of Mashhad-i-Sar (Māzandarān) (pop: 48,100) --> See nearby quakes!
209 km (130 mi) E of Fereydūn Kenār (Fereydunkenar, Māzandarān) (pop: 34,100) --> See nearby quakes!
226 km (140 mi) E of Āmol (Māzandarān) (pop: 199,400) --> See nearby quakes!
239 km (149 mi) W of Esfarāyen (North Khorasan) (pop: 59,700) --> See nearby quakes!
274 km (170 mi) ENE of Damāvand (Tehrān) (pop: 29,100) --> See nearby quakes!
283 km (176 mi) WSW of Shīrvān (North Khorasan) (pop: 82,800) --> See nearby quakes!
300 km (186 mi) E of Nowshahr (Māzandarān) (pop: 40,000) --> See nearby quakes!
307 km (191 mi) E of Chālūs (Māzandarān) (pop: 69,600) --> See nearby quakes!
322 km (200 mi) ENE of Pīshvā (Tehrān) (pop: 53,900) --> See nearby quakes!
323 km (201 mi) WNW of Bardaskan (Razavi Khorasan) (pop: 28,200) --> See nearby quakes!
328 km (204 mi) W of Qūchān (Razavi Khorasan) (pop: 111,800) --> See nearby quakes!
328 km (204 mi) ENE of Varāmīn (Tehrān) (pop: 179,600) --> See nearby quakes!
329 km (204 mi) ENE of Teheran (Tehrān) (pop: 7,153,300) --> See nearby quakes!
341 km (212 mi) WSW of Ashgabat (Turkmenistan) (pop: 727,700) --> See nearby quakes!
355 km (221 mi) E of Tonekābon (Tonekabon, Māzandarān) (pop: 37,500) --> See nearby quakes!
356 km (221 mi) W of Neyshabur (Razavi Khorasan) (pop: 220,900) --> See nearby quakes!
361 km (224 mi) ENE of Shahrīār (Tehrān) (pop: 58,800) --> See nearby quakes!
363 km (226 mi) WNW of Kāshmar (Razavi Khorasan) (pop: 96,200) --> See nearby quakes!
366 km (227 mi) ENE of Robāţ Karīm (Tehrān) (pop: 62,800) --> See nearby quakes!
367 km (228 mi) ENE of Malārd (Tehrān) (pop: 56,700) --> See nearby quakes!
380 km (236 mi) W of Chenārān (Razavi Khorasan) (pop: 46,900) --> See nearby quakes!
390 km (243 mi) ENE of Naz̧arābād (Alborz) (pop: 213,400) --> See nearby quakes!
409 km (254 mi) E of Rūdsar (Gīlān) (pop: 47,500) --> See nearby quakes!
422 km (262 mi) E of Langarūd (Gīlān) (pop: 68,100) --> See nearby quakes!
424 km (263 mi) WNW of Torbat-e Ḩeydarīyeh (Razavi Khorasan) (pop: 125,600) --> See nearby quakes!
427 km (265 mi) W of Mashhad (Razavi Khorasan) (pop: 2,307,200) --> See nearby quakes!
433 km (269 mi) E of Alvand (Qazvīn) (pop: 90,000) --> See nearby quakes!
434 km (270 mi) NW of Gonābād (Razavi Khorasan) (pop: 43,500) --> See nearby quakes!
435 km (270 mi) NNE of Ardestān (Ardestan, Isfahan) (pop: 16,100) --> See nearby quakes!
441 km (274 mi) E of Āstāneh-ye Ashrafīyeh (Gīlān) (pop: 42,800) --> See nearby quakes!
447 km (278 mi) ENE of Sāveh (Markazi) (pop: 175,500) --> See nearby quakes!
468 km (291 mi) E of Tākestān (Qazvīn) (pop: 71,500) --> See nearby quakes!
485 km (301 mi) NE of Delījān (Markazi) (pop: 33,500) --> See nearby quakes!
487 km (302 mi) E of Bandar-e Anzali (Gīlān) (pop: 110,800) --> See nearby quakes!
492 km (305 mi) ENE of Tafresh (Markazi) (pop: 14,400) --> See nearby quakes!
495 km (308 mi) N of Ardakān (Yazd) (pop: 58,800) --> See nearby quakes!
514 km (320 mi) NW of Qā’en (Khorāsān-e Jonūbī) (pop: 40,200) --> See nearby quakes!
522 km (324 mi) NNE of Dowlatābād (Borkhar, Isfahan) (pop: 33,600) --> See nearby quakes!
541 km (336 mi) NNE of Khomeynī Shahr (Isfahan) (pop: 277,300) --> See nearby quakes!
552 km (343 mi) NE of Golpāyegān (Isfahan) (pop: 44,900) --> See nearby quakes!
553 km (343 mi) NE of Khomeyn (Markazi) (pop: 77,400) --> See nearby quakes!
554 km (345 mi) NNE of Falāvarjān (Isfahan) (pop: 49,800) --> See nearby quakes!
555 km (345 mi) NE of Najafābād (Isfahan) (pop: 223,500) --> See nearby quakes!
568 km (353 mi) NE of Khvānsār (Khansar, Isfahan) (pop: 21,100) --> See nearby quakes!
594 km (369 mi) SE of Baku (Baki, Azerbaijan) (pop: 1,116,500) --> See nearby quakes!
597 km (371 mi) NE of Aligoodarz (Lorestān) (pop: 91,000) --> See nearby quakes!
602 km (374 mi) NE of Fereydūnshahr (Isfahan) (pop: 11,600) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0 | 10 km | NORTHERN IRAN | EMSC |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Mag. 4.0 earthquake - Golestan, 34 km north of Shahrud, Semnan, Iran, on Tuesday, 21 August 2018 at 15:29 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!