Volcanoes & Earthquakes - new app for Android
Interactive map of latest earthquakes and active volcanoes in the world
See also: Monthly reports

World Earthquake Report for Tuesday, 20 April 2021

Wed, 21 Apr 2021, 00:24
00:24 AM | BY: EARTHQUAKEMONITOR
Worldwide earthquakes above magnitude 3 during the past 24 hours on 21 Apr 2021
Worldwide earthquakes above magnitude 3 during the past 24 hours on 21 Apr 2021

Summary: 2 quakes 5.0+, 38 quakes 4.0+, 151 quakes 3.0+, 253 quakes 2.0+ (444 total)
Global seismic activity level on 20 April 2021: MODERATE

Magnitude 5+: 2 earthquakes
Magnitude 4+: 38 earthquakes
Magnitude 3+: 151 earthquakes
Magnitude 2+: 253 earthquakes
No quakes of magnitude 6 or higher
Total seismic energy estimate: 3.3 x 1013 joules (9.29 gigawatt hours, equivalent to 7992 tons of TNT or 0.5 atomic bombs!) learn more

10 largest earthquakes in the world (20 Apr 2021):

#1: 5.6 quake South Pacific Ocean 21 Apr 7:21 am (GMT +12)
#2: 5.0 quake North Pacific Ocean, Northern Mariana Islands, 21 Apr 6:01 am (GMT +10)
#3: 4.9 quake South Atlantic Ocean, South Georgia & South Sandwich Islands, 19 Apr 10:43 pm (GMT -2)
#4: 4.9 quake 139 km southwest of Kumul, Xinjiang, China, 20 Apr 6:58 pm (GMT +8)
#5: 4.9 quake Kitasaku-gun, 16 km northeast of Saku, Nagano, Japan, 21 Apr 2021 2:39 am (GMT +9)
#6: 4.8 quake Banda Sea, Indonesia, 20 Apr 10:35 am (GMT +9)
#7: 4.8 quake Papua, Papua New Guinea, 21 Apr 1:26 am (GMT +9)
#8: 4.7 quake South Pacific Ocean, 69 km south of Lima, Peru, 19 Apr 11:53 pm (GMT -5)
#9: 4.7 quake South Pacific Ocean 20 Apr 11:48 pm (GMT +13)
#10: 4.7 quake North Pacific Ocean, 51 km southwest of Sonsonate, El Salvador, 2021-04-20 09:52:32

Earthquakes reported felt:

#1: 3.3 quake 3.2 km north of Zagreb, HR.21.3186885, City of Zagreb, Croatia, 20 April 2021 21:15 GMT - 664 reports
#2: 3.4 quake Politischer Bezirk Neunkirchen, 20 km southwest of Wiener Neustadt, Lower Austria, 20 Apr 2021 8:01 pm (GMT +2) - 115 reports
#3: 4.7 quake South Pacific Ocean, 69 km south of Lima, Peru, 19 Apr 11:53 pm (GMT -5) - 108 reports
#4: 3.8 quake Glenn County, 18 mi southwest of Chico, Butte County, California, USA, 19 Apr 2021 7:39 pm (GMT -7) - 69 reports
#5: 3.0 quake Dol pri Ljubljani, 13 km east of Ljubljana, Slovenia, 20 April 2021 11:03 GMT - 55 reports
#6: 3.0 quake Politischer Bezirk Neunkirchen, 12 km west of Wiener Neustadt, Lower Austria, 20 Apr 2021 7:16 am (GMT +2) - 32 reports
#7: 4.1 quake 5.3 Km NE of Grindavík, Iceland, 20 Apr 11:05 pm (GMT +0) - 27 reports
#8: 2.4 quake Politischer Bezirk Neunkirchen, 8.8 km west of Wiener Neustadt, Lower Austria, 20 Apr 2021 05:38 - 17 reports
#9: 4.0 quake Aegean Sea, 15 km northeast of Fira, Nomos Kykladon, South Aegean, Greece, 20 Apr 11:21 am (GMT +3) - 13 reports
#10: 4.0 quake 52 mi southeast of Eureka, Humboldt County, California, USA, 20 Apr 2021 2:48 am (GMT -7) - 12 reports
#11: 4.9 quake Kitasaku-gun, 16 km northeast of Saku, Nagano, Japan, 21 Apr 2021 2:39 am (GMT +9) - 10 reports
#12: 2.5 quake 2 Km ESE of Eureka, Missouri, USA, 20 April 2021 08:38 GMT - 10 reports
#13: 4.4 quake 25 km northwest of Golfito, Provincia de Puntarenas, Costa Rica, 2021-04-20 05:22:48 - 10 reports
#14: 4.4 quake Aegean Sea, 51 km south of Kos Town, Dodecanese, South Aegean, Greece, 20 Apr 2021 8:09 am (GMT +3) - 9 reports
#15: 4.3 quake South Pacific Ocean, 44 km southwest of Minas de Marcona, Peru, 19 Apr 7:17 pm (GMT -5) - 8 reports
#16: 2.5 quake Politischer Bezirk Neunkirchen, 10.4 km southwest of Wiener Neustadt, Lower Austria, 20 Apr 2021 19:17 - 7 reports
#17: 3.3 quake 3.4 km east of Kameoka, Kyoto, Japan, Apr 20, 2021 09:58:47.66 - 6 reports
#18: 4.7 quake North Pacific Ocean, 51 km southwest of Sonsonate, El Salvador, 2021-04-20 09:52:32 - 5 reports
#19: 2.1 quake 3.2 km west of Wiener Neustadt, Lower Austria, 20 Apr 2021 03:06 - 5 reports
#20: 2.7 quake 1.5 mi west of Redlands, San Bernardino County, California, USA, 20 April 2021 07:03 GMT - 4 reports
#21: 3.2 quake 5.4 km southwest of Kameoka, Kyoto, Japan, Apr 21, 2021 04:43:30.24 - 4 reports
#22: 2.4 quake Pokupsko, Zagreb County, 32 km south of Zagreb, Croatia, 20 April 2021 23:36 GMT - 4 reports
#23: 2.8 quake 13 mi southeast of Mammoth Lakes, Mono County, California, USA, 20 April 2021 05:07 GMT - 3 reports
#24: 3.8 quake Provincia de Camana, 45 km northwest of Mollendo, Peru, 20 Apr 3:34 am (GMT -5) - 3 reports
#25: 3.2 quake Klis, 15 km north of Split, Split-Dalmatia, Croatia, 20 April 2021 22:46 GMT - 2 reports
#26: 4.4 quake 20 km northeast of Bandar-e Genāveh, Bushehr, Iran, 20 Apr 10:25 pm (GMT +4:30) - 2 reports
#27: 2.6 quake 26 km northeast of Novi Pazar, Raška, Central Serbia, 20 April 2021 03:22 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

Previous news

Tue, 20 Apr 2021, 23:50
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 20 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Akuseki-jima (1 quake mag 4.0), Brennisteinsfjöll (4 quakes between mag 0.2-1.1), Cerro Negro (1 quake mag 1.7), Clear Lake (34 quakes between mag 0.2-2.5), Coso (12 quakes between mag 0.2-1.0), Fagradalsfjall (26 quakes between mag 0.1-4.1) ... read all
Tue, 20 Apr 2021, 23:34
4.4 quake 5.3 Km NE of Grindavík, Iceland, 20 Apr 11:05 pm (GMT +0)
The Icelandic Met Office (IMO) reported a magnitude 4.4 quake in Iceland near Reykjavik, Reykjavíkurborg, Capital Region, only 27 minutes ago. The earthquake hit late at night on Tuesday 20 April 2021 at 11:05 pm local time at a very shallow depth of 5.7 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
Tue, 20 Apr 2021, 21:41
We are receiving unverified early reports of seismic activity in or near Zagreb, City of Zagreb, Croatia on 20 Apr 2021 (GMT) at approximately 21:26. ... read all
Tue, 20 Apr 2021, 18:31
4.6 quake 21 Apr 3:16 am (GMT +9)
Indonesia's Meteorology, Climatology, and Geophysical Agency reported a magnitude 4.6 quake in Indonesia near Tobelo, Kabupaten Halmahera Utara, North Maluku, only 13 minutes ago. The earthquake hit early morning on Wednesday 21 April 2021 at 3:16 am local time at an intermediate depth of 106 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
Tue, 20 Apr 2021, 18:10
3.8 quake 20 Apr 8:01 pm (GMT +2)
The German Research Centre for Geosciences (GFZ) reported a magnitude 3.8 quake in Austria near Wiener Neustadt, Wiener Neustadt Stadt, Lower Austria, only 8 minutes ago. The earthquake hit in the evening on Tuesday 20 April 2021 at 8:01 pm 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

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.