Earthquakes on August 30, 2020
275
EARTHQUAKES on August 30, 2020
24-hour UTC period · USGS data
LARGEST: M6.5 — central Mid-Atlantic Ridge
10 km deep · 3 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
37
M3.0–3.9
7
M2.0–2.9
47
M1.0–1.9
181
Activity Summary
275
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
6.5
central Mid-Atlantic Ridge
21:20 UTC · 10.0 km deep
Felt by 3
5.4
South Shetland Islands
10:31 UTC · 4.6 km deep
5.1
128 km NE of Maketu, New Zealand
13:26 UTC · 10.0 km deep
Felt by 6
4.9
76 km NNW of Port-Vila, Vanuatu
21:40 UTC · 35.0 km deep
Felt by 2
4.9
Pacific-Antarctic Ridge
05:47 UTC · 10.0 km deep
4.9
33 km N of Khagrachhari, Bangladesh
01:47 UTC · 37.7 km deep
4.8
5 km ESE of Guihing Proper, Philippines
17:44 UTC · 36.1 km deep
Felt by 10
4.7
210 km N of Palu, Indonesia
12:01 UTC · 646.8 km deep
Earthquake Map — August 30, 2020

All Earthquakes — August 30, 2020
Showing 30 of 94 (filtered from 275)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-30 2020-08-30 23:22:16 UTC | 2.6md | 5 km S of Guánica, Puerto Rico 17.920°, -66.906° | 14.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 5 km S of Guánica, Puerto Rico came in on August 30, 2020 at 23:22 UTC. It arrived roughly 14 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 23:05:47 UTC | 2.8md | 7 km WSW of Fuig, Puerto Rico 17.962°, -66.978° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 7 km WSW of Fuig, Puerto Rico with origin time 23:05 UTC on August 30, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 14 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 22:50:55 UTC | 2.2ml | 3 km SSE of P?hala, Hawaii 19.176°, -155.469° | 35.0 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 3 km SSE of P?hala, Hawaii with origin time 22:50 UTC on August 30, 2020. It arrived roughly 5 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 22:43:53 UTC | 2.1ml | 79 km NW of Aleneva, Alaska 58.605°, -153.773° | 69.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 79 km NW of Aleneva, Alaska on August 30, 2020 at 22:43 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 22:21:55 UTC | 4.1mb | 41 km WSW of Ashk?sham, Afghanistan 36.557°, 71.097° | 227.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 30, 2020, worldwide seismic activity registered a magnitude 4.1 earthquake 41 km WSW of Ashk?sham, Afghanistan at 22:21 UTC. It arrived roughly 13 hours after a larger magnitude 4.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 21:45:19 UTC | 2.0ml | 36 km SE of Mina, Nevada 38.180°, -117.788° | 5.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 36 km SE of Mina, Nevada on August 30, 2020 at 21:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 13 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 21:40:24 UTC | 4.9mww | 76 km NNW of Port-Vila, Vanuatu -17.158°, 167.922° | 35.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On August 30, 2020, worldwide seismic activity registered a magnitude 4.9 earthquake 76 km NNW of Port-Vila, Vanuatu at 21:40 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 21:20:29 UTC | 6.5mww | central Mid-Atlantic Ridge 0.782°, -29.866° | 10.0 km | 3 | IV | green | ✓ Reviewed | USGS → |
On August 30, 2020 at 21:20 UTC, a magnitude 6.5 earthquake struck near central Mid-Atlantic Ridge. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on August 30, 2020. See the M6.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 21:00:44 UTC | 4.6mb | 114 km ENE of Nago, Japan 27.118°, 128.991° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 30, 2020 at 21:00 UTC, a magnitude 4.6 earthquake struck 114 km ENE of Nago, Japan. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 20:35:50 UTC | 4.6mb | 111 km NW of Türkmenba?y, Turkmenistan 40.669°, 51.951° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 111 km NW of Türkmenba?y, Turkmenistan on August 30, 2020 at 20:35 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:43:06 UTC | 2.9ml | 5km NW of Glen Avon, CA 34.049°, -117.520° | 6.5 km | 416 | IV | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 5km NW of Glen Avon, CA came in on August 30, 2020 at 19:43 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:42:27 UTC | 4.6mb | South Shetland Islands -62.378°, -58.396° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake near South Shetland Islands with origin time 19:42 UTC on August 30, 2020. It arrived roughly 9 hours after a larger magnitude 5.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:18:02 UTC | 2.1ml | 12km WNW of Calipatria, CA 33.160°, -115.636° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 30, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 12km WNW of Calipatria, CA at 19:18 UTC. Coming 1 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:15:56 UTC | 2.1ml | 8km WSW of Niland, CA 33.223°, -115.597° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
August 30, 2020 brought a magnitude 2.1 earthquake 8km WSW of Niland, CA, logged at 19:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 1 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:14:51 UTC | 2.8ml | 12km WNW of Calipatria, CA 33.163°, -115.636° | 4.8 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 12km WNW of Calipatria, CA on August 30, 2020 at 19:14 UTC. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 19:10:55 UTC | 3.1ml | 24 km SE of Wright, Wyoming 43.613°, -105.261° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 24 km SE of Wright, Wyoming at 19:10 UTC on August 30, 2020. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 18:48:43 UTC | 4.4mb | 49 km NW of San Antonio de los Cobres, Argentina -23.948°, -66.712° | 203.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:48 UTC on August 30, 2020, a magnitude 4.4 tremor occurred 49 km NW of San Antonio de los Cobres, Argentina. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 18:28:06 UTC | 4.2mb | 60 km SW of Trenggalek, Indonesia -8.446°, 111.297° | 108.0 km | 1 | - | - | ✓ Reviewed | USGS → |
August 30, 2020 brought a magnitude 4.2 earthquake 60 km SW of Trenggalek, Indonesia, logged at 18:28 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 18:25:44 UTC | 2.7ml | 66 km ENE of Chiniak, Alaska 57.898°, -151.303° | 25.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 30, 2020, worldwide seismic activity registered a magnitude 2.7 earthquake 66 km ENE of Chiniak, Alaska at 18:25 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 17:44:08 UTC | 4.8mww | 5 km ESE of Guihing Proper, Philippines 6.667°, 125.401° | 36.1 km | 10 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 5 km ESE of Guihing Proper, Philippines on August 30, 2020, with origin time 17:44 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 17:23:21 UTC | 2.5md | 8 km E of P?hala, Hawaii 19.216°, -155.399° | 32.2 km | - | - | - | ✓ Reviewed | USGS → |
August 30, 2020 brought a magnitude 2.5 earthquake 8 km E of P?hala, Hawaii, logged at 17:23 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 17:14:49 UTC | 2.4md | 5 km WSW of Guánica, Puerto Rico 17.953°, -66.953° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 5 km WSW of Guánica, Puerto Rico came in on August 30, 2020 at 17:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 8 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:56:40 UTC | 2.5ml | 51 km SW of Adak, Alaska 51.516°, -177.105° | 32.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 30, 2020 at 16:56 UTC, a magnitude 2.5 earthquake struck 51 km SW of Adak, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:54:37 UTC | 4.5mb | 127 km ENE of Kuril’sk, Russia 45.552°, 149.440° | 119.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 127 km ENE of Kuril’sk, Russia came in on August 30, 2020 at 16:54 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:46:56 UTC | 2.4ml | 19 km ESE of Kasilof, Alaska 60.302°, -150.921° | 58.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 19 km ESE of Kasilof, Alaska at 16:46 UTC on August 30, 2020. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:45:29 UTC | 2.0md | 5 km WSW of Guánica, Puerto Rico 17.953°, -66.961° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 5 km WSW of Guánica, Puerto Rico came in on August 30, 2020 at 16:45 UTC. It arrived roughly 8 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:26:36 UTC | 2.2ml | 26 km NW of Stanley, Idaho 44.361°, -115.208° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 30, 2020 at 16:26 UTC, a magnitude 2.2 earthquake struck 26 km NW of Stanley, Idaho. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:10:06 UTC | 4.0mb | Nicobar Islands, India region 6.861°, 92.050° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected in the Nicobar Islands, India region on August 30, 2020, with origin time 16:10 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 16:08:35 UTC | 2.9md | 4 km SSW of Indios, Puerto Rico 17.958°, -66.842° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
August 30, 2020 brought a magnitude 2.9 earthquake 4 km SSW of Indios, Puerto Rico, logged at 16:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 7 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-30 2020-08-30 15:44:05 UTC | 4.5mb | 126 km NE of Maketu, New Zealand -36.838°, 177.276° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 126 km NE of Maketu, New Zealand on August 30, 2020 at 15:44 UTC. It arrived roughly 2 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on August 30, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.