Earthquakes on August 22, 2020
349
EARTHQUAKES on August 22, 2020
24-hour UTC period · USGS data
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
26
M3.0–3.9
8
M2.0–2.9
68
M1.0–1.9
242
Activity Summary
349
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
5.8
178 km ENE of Georgetown, Saint Helena
08:38 UTC · 10.0 km deep
5.6
southern East Pacific Rise
11:58 UTC · 10.0 km deep
5.5
Ascension Island region
10:21 UTC · 10.0 km deep
5.5
144 km WSW of Bengkulu, Indonesia
00:39 UTC · 21.0 km deep
5.2
Izu Islands, Japan region
10:31 UTC · 10.0 km deep
4.6
288 km WNW of Haveluloto, Tonga
22:26 UTC · 557.7 km deep
4.6
112 km S of Puerto El Triunfo, El Salvador
22:17 UTC · 10.0 km deep
4.6
Pagan region, Northern Mariana Islands
16:12 UTC · 164.7 km deep
Earthquake Map — August 22, 2020
All Earthquakes — August 22, 2020
Showing 30 of 107 (filtered from 349)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-08-22 2020-08-22 23:57:09 UTC | 2.1md | 2 km SSE of Sparta, North Carolina 36.484°, -81.107° | 1.8 km | 6 | - | - | ✓ Reviewed | USGS → |
On August 22, 2020 at 23:57 UTC, a magnitude 2.1 earthquake struck 2 km SSE of Sparta, North Carolina. 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. | ||||||||
2020-08-22 2020-08-22 23:29:41 UTC | 2.1ml | 145 km WSW of Adak, Alaska 51.210°, -178.448° | 23.4 km | - | - | - | ✓ Reviewed | USGS → |
August 22, 2020 brought a magnitude 2.1 earthquake 145 km WSW of Adak, Alaska, logged at 23:29 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:56:36 UTC | 4.2mb | 81 km NW of Monywa, Myanmar 22.600°, 94.546° | 102.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 81 km NW of Monywa, Myanmar on August 22, 2020 at 22:56 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:38:23 UTC | 4.0mb | 2 km E of Cepitá, Colombia 6.759°, -72.948° | 160.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 2 km E of Cepitá, Colombia on August 22, 2020 at 22:38 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:35:20 UTC | 2.5ml | 52 km E of Juneau, Alaska 58.364°, -133.530° | 1.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 52 km E of Juneau, Alaska on August 22, 2020 at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 12 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:32:38 UTC | 3.2ml | 53 km SSE of Sand Point, Alaska 54.866°, -160.302° | 28.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 53 km SSE of Sand Point, Alaska at 22:32 UTC on August 22, 2020. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:26:56 UTC | 4.1mb | 16 km ESE of Puente Alto, Chile -33.687°, -70.419° | 100.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 16 km ESE of Puente Alto, Chile on August 22, 2020, with origin time 22:26 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:26:36 UTC | 4.6mb | 288 km WNW of Haveluloto, Tonga -20.316°, -177.833° | 557.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 288 km WNW of Haveluloto, Tonga at 22:26 UTC on August 22, 2020. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:25:53 UTC | 3.9ml | 38 km WNW of Nanwalek, Alaska 59.473°, -152.563° | 73.3 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.9 earthquake was recorded 38 km WNW of Nanwalek, Alaska on August 22, 2020 at 22:25 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:17:58 UTC | 4.6mb | 112 km S of Puerto El Triunfo, El Salvador 12.281°, -88.746° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 112 km S of Puerto El Triunfo, El Salvador on August 22, 2020, with origin time 22:17 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 22:11:45 UTC | 2.7md | 4 km SE of Maria Antonia, Puerto Rico 17.954°, -66.854° | 14.0 km | 1 | - | - | ✓ Reviewed | USGS → |
August 22, 2020 brought a magnitude 2.7 earthquake 4 km SE of Maria Antonia, Puerto Rico, logged at 22:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 21:52:21 UTC | 2.1ml | 0 km ESE of P?hala, Hawaii 19.200°, -155.471° | 30.4 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.1 earthquake 0 km ESE of P?hala, Hawaii came in on August 22, 2020 at 21:52 UTC. It arrived roughly 13 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 21:40:44 UTC | 2.9ml | 150 km S of False Pass, Alaska 53.515°, -163.736° | 28.9 km | - | - | - | ✓ Reviewed | USGS → |
August 22, 2020 brought a magnitude 2.9 earthquake 150 km S of False Pass, Alaska, logged at 21:40 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 21:33:36 UTC | 4.2mb | Macquarie Island region -52.834°, 160.301° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake in the Macquarie Island region with origin time 21:33 UTC on August 22, 2020. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 21:32:01 UTC | 2.2ml | 31 km ESE of Mina, Nevada 38.234°, -117.807° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 31 km ESE of Mina, Nevada on August 22, 2020 at 21:32 UTC. It arrived roughly 9 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. | ||||||||
2020-08-22 2020-08-22 20:57:41 UTC | 4.3mb | 103 km E of Petropavlovsk-Kamchatsky, Russia 53.155°, 160.179° | 52.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 103 km E of Petropavlovsk-Kamchatsky, Russia on August 22, 2020 at 20:57 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 20:37:11 UTC | 3.2ml | 55 km ENE of San Vicente, Mexico 31.476°, -115.691° | 14.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 55 km ENE of San Vicente, Mexico on August 22, 2020, with origin time 20:37 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 20:28:57 UTC | 2.1ml | 35 km SSE of Old Harbor, Alaska 56.893°, -153.150° | 41.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020 at 20:28 UTC, a magnitude 2.1 earthquake struck 35 km SSE of Old Harbor, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 20:25:36 UTC | 2.6md | 8 km SW of Guánica, Puerto Rico 17.918°, -66.968° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:25 UTC on August 22, 2020, a magnitude 2.6 tremor occurred 8 km SW of Guánica, Puerto Rico. It arrived roughly 7 hours after a larger magnitude 3.4 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. | ||||||||
2020-08-22 2020-08-22 19:46:36 UTC | 4.2mb | Fiji region -18.852°, -177.676° | 524.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake in the Fiji region at 19:46 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 19:04:51 UTC | 2.4ml | 61 km SE of Savoonga, Alaska 63.356°, -169.493° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020 at 19:04 UTC, a magnitude 2.4 earthquake struck 61 km SE of Savoonga, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 18:55:57 UTC | 2.1ml | 65 km ESE of Sand Point, Alaska 55.094°, -159.560° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 65 km ESE of Sand Point, Alaska on August 22, 2020 at 18:55 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 18:40:24 UTC | 4.0mb | 108 km NNE of Bandar Abbas, Iran 28.093°, 56.689° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 22, 2020 brought a magnitude 4.0 earthquake 108 km NNE of Bandar Abbas, Iran, logged at 18:40 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 18:13:49 UTC | 2.6md | 3 km E of La Parguera, Puerto Rico 17.976°, -67.017° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020, worldwide seismic activity registered a magnitude 2.6 earthquake 3 km E of La Parguera, Puerto Rico at 18:13 UTC. Coming 5 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 18:10:08 UTC | 2.4md | 5 km WSW of Guánica, Puerto Rico 17.952°, -66.959° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake 5 km WSW of Guánica, Puerto Rico at 18:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 5 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 17:49:53 UTC | 3.5mb | 76 km S of Sand Point, Alaska 54.659°, -160.680° | 20.9 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020, worldwide seismic activity registered a magnitude 3.5 earthquake 76 km S of Sand Point, Alaska at 17:49 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 17:22:51 UTC | 2.6ml | 54 km E of Juneau, Alaska 58.342°, -133.486° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 54 km E of Juneau, Alaska came in on August 22, 2020 at 17:22 UTC. It arrived roughly 6 hours after a larger magnitude 3.2 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. | ||||||||
2020-08-22 2020-08-22 16:43:14 UTC | 2.0ml | 115 km E of Chignik, Alaska 56.285°, -156.537° | 46.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 22, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 115 km E of Chignik, Alaska at 16:43 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 16:43:04 UTC | 2.8ml | 245 km W of Adak, Alaska 51.544°, 179.848° | 72.2 km | - | - | - | ✓ Reviewed | USGS → |
At 16:43 UTC on August 22, 2020, a magnitude 2.8 tremor occurred 245 km W of Adak, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-08-22 2020-08-22 16:12:20 UTC | 4.6mb | Pagan region, Northern Mariana Islands 18.534°, 145.868° | 164.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake in the Pagan region, Northern Mariana Islands came in on August 22, 2020 at 16:12 UTC. See the M4.6 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 22, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.