World Earthquake Report for Friday, 30 July 2021

sam., 31 juil. 2021, 00:24
00:24 AM | AUTEUR : EARTHQUAKEMONITOR
Worldwide earthquakes above magnitude 3 during the past 24 hours on 31 Jul 2021
Worldwide earthquakes above magnitude 3 during the past 24 hours on 31 Jul 2021

Summary: 1 quake 6.0+, 4 quakes 5.0+, 41 quakes 4.0+, 134 quakes 3.0+, 265 quakes 2.0+ (445 total)
Global seismic activity level on 30 July 2021: MODERATE

Magnitude 6+: 1 earthquake
Magnitude 5+: 4 earthquakes
Magnitude 4+: 41 earthquakes
Magnitude 3+: 134 earthquakes
Magnitude 2+: 265 earthquakes
No quakes of magnitude 7 or higher
Total seismic energy estimate: 1.7 x 1014 joules (46.6 gigawatt hours, equivalent to 40090 tons of TNT or 2.5 atomic bombs!) learn more

10 largest earthquakes in the world (30 Jul 2021):

#1: 6.2 quake 6.2 km east of Sullana, Piura, Peru, 30 Jul 12:10 pm (GMT -5)
#2: 5.5 quake Gulf of Alaska, 138 mi east of Sandpoint, Aleutians East, Alaska, USA, 29 Jul 7:52 pm (GMT -8)
#3: 5.3 quake South Pacific Ocean 30 Jul 2:39 pm (GMT -8)
#4: 5.2 quake Philippines Sea, Indonesia, 31 Jul 2:52 am (GMT +9)
#5: 5.2 quake South Pacific Ocean, Tonga, 31 Jul 11:39 am (GMT +13)
#6: 4.9 quake North Pacific Ocean, 91 km west of Nicoya, Provincia de Guanacaste, Costa Rica, 2021-07-29 22:29:31
#7: 4.9 quake Xinjiang, 50 km southwest of Druzhba, Alakol District, Almaty Oblysy, Kazakhstan, 30 Jul 3:32 pm (GMT +8)
#8: 4.9 quake Solomon Sea, Papua New Guinea, 31 Jul 6:05 am (GMT +10)
#9: 4.8 quake North Pacific Ocean, 92 km southeast of Hachinohe, Aomori, Japan, 30 Jul 2021 1:05 pm (GMT +9)
#10: 4.8 quake South Pacific Ocean, New Zealand, 31 Jul 2:43 am (GMT +12)

Earthquakes reported felt:

#1: 3.5 quake 4.3 km southwest of Boksburg, South Africa, 2021-07-30 06:34:52 SAST (GMT+02:00) - 4318 reports

#2: Unconfirmed seismic-like event reported: 4.6 km northwest of Heidelberg, South Africa, 30 July 2021 05:30 GMT - 313 reports
#3: 6.2 quake 6.2 km east of Sullana, Piura, Peru, 30 Jul 12:10 pm (GMT -5) - 127 reports
#4: 4.9 quake North Pacific Ocean, 91 km west of Nicoya, Provincia de Guanacaste, Costa Rica, 2021-07-29 22:29:31 - 64 reports
#5: Unconfirmed seismic-like event reported: Ekurhuleni Metropolitan Municipality, 13 km east of Johannesburg, South Africa, 30 July 2021 03:46 GMT - 50 reports
#6: 2.6 quake 26 km southeast of Freiburg im Breisgau, Germany, Jul 30 07:36:06 - 39 reports
#7: 4.3 quake Alboran Sea, 40 km northeast of Al Hoceima, Morocco, 30 Jul 9:38 am (GMT +1) - 27 reports
#8: 2.6 quake Uralla, 30 km west of Armidale, New South Wales, Australia, 30 July 2021 10:02 GMT - 24 reports
#9: 3.9 quake Jijel, 23 km northeast of Mila, Algeria, 30 July 2021 16:31 GMT - 23 reports
#10: 4.5 quake Alboran Sea, 33 km northeast of Al Hoceima, Morocco, 30 Jul 9:58 am (GMT +1) - 16 reports
#11: 4.1 quake North Pacific Ocean, 96 km west of Nicoya, Provincia de Guanacaste, Costa Rica, 2021-07-29 22:36:58 - 13 reports
#12: Unconfirmed seismic-like event reported: Grainger County, 20 mi northeast of Knoxville, Knox County, Tennessee, USA, 30 July 2021 10:28 GMT - 12 reports
#13: 2.7 quake Grad Petrinja, 11 km southwest of Sisak, Croatia, 30 July 2021 04:00 GMT - 10 reports
#14: 4.3 quake Alboran Sea, 34 km northeast of Al Hoceima, Morocco, 30 Jul 10:13 am (GMT +1) - 9 reports
#15: 2.0 quake Near Sisak, Sisačko-Moslavačka, Croatia, 30 Jul 2021 12:46 - 7 reports
#16: 3.4 quake 6.7 km south of Lahore, Punjab, Pakistan, 2021-07-30 21:31:10 IST - 6 reports
#17: 2.8 quake 7.2 mi southwest of Spring Valley, Clark County, Nevada, USA, 30 July 2021 23:53 GMT - 5 reports
#18: Unconfirmed seismic-like event reported: 11 km south of Hisar, Haryana, India, 30 July 2021 07:10 GMT - 4 reports
#19: 2.6 quake North Pacific Ocean, 246 km west of San Jose, San José, Costa Rica, 2021-07-29 22:44:25 - 4 reports
#20: 2.3 quake Lake County, 14 mi northwest of Euclid, Cuyahoga County, Ohio, USA, 30 July 2021 03:32 GMT - 4 reports
#21: 3.6 quake Alboran Sea, 30 km northeast of Al Hoceima, Morocco, 30 July 2021 09:24 GMT - 4 reports
#22: 3.2 quake 17 km northeast of Ierapetra, Lasithi, Crete, Greece, 30 July 2021 17:24 GMT - 3 reports
#23: 3.5 quake 30 km southeast of Tomelloso, Ciudad Real, Castille-La Mancha, Spain, 30 July 2021 09:29 GMT - 2 reports
#24: 4.4 quake North Pacific Ocean, 70 km southwest of San Jose, Guatemala, 2021-07-30 05:58:59 - 2 reports
#25: 4.4 quake 12 km west of Sullana, Piura, Peru, 30 Jul 3:14 pm (GMT -5) - 2 reports
#26: 2.3 quake 6km NW of The Geysers, CA, 30 July 2021 05:48 GMT - 2 reports
#27: 2.6 quake 6km NW of The Geysers, CA, 30 July 2021 03:11 GMT - 2 reports
#28: 5.5 quake Gulf of Alaska, 138 mi east of Sandpoint, Aleutians East, Alaska, USA, 29 Jul 7:52 pm (GMT -8) - 2 reports
#29: 3.5 quake 5.7 km east of Rotorua, Bay of Plenty, New Zealand, 30 July 2021 01:43 GMT - 2 reports
#30: 3.1 quake Aegean Sea, 41 km east of Iraklion, Heraklion Regional Unit, Crete, Greece, 30 July 2021 22:21 GMT - 2 reports

Earthquake stats:

Number of quakes and energy released vs time
Number of quakes and energy vs time
Number of quakes and energy released vs magnitude
Number of quakes and energy vs magnitude
Magnitude of quakes and energy released vs time
Magnitude of quakes and energy vs time

Actualités précédentes

ven., 30 juil. 2021, 23:50
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 30 Jul 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Bardarbunga (1 quake mag 1.9), Brennisteinsfjöll (2 quakes between mag 0.6-1.4), Buzzard Creek (1 quake mag 1.5), Clear Lake (29 quakes between mag 0.4-2.6), Fagradalsfjall (7 quakes between mag 0.1-1.0), Fourpeaked (1 quake mag 1.3) ... Read all
ven., 30 juil. 2021, 22:58
5.2 quake South Pacific Ocean, Tonga, 31 Jul 11:39 am (GMT +13)
The German Research Centre for Geosciences (GFZ) reported a magnitude 5.2 quake in Tonga near Hihifo, Niuas, only 18 minutes ago. The earthquake hit in the morning on Saturday 31 July 2021 at 11:39 am local time at a shallow depth of 10 km. 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. ... Read all
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