Earthquakes on August 20, 2022
276
EARTHQUAKES on August 20, 2022
24-hour UTC period · USGS data
LARGEST: M4.9 — south of the Fiji Islands
508 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
0
M4.0–4.9
29
M3.0–3.9
22
M2.0–2.9
81
M1.0–1.9
144
Activity Summary
276
Total earthquakes
~250
Daily average
Normal
Activity level
0
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
4.9
south of the Fiji Islands
19:34 UTC · 508.4 km deep
4.7
132 km SSW of Kokopo, Papua New Guinea
15:40 UTC · 59.5 km deep
4.7
135 km E of Pangai, Tonga
13:05 UTC · 10.0 km deep
4.7
74 km E of Hualien City, Taiwan
04:07 UTC · 27.8 km deep
4.6
Kermadec Islands, New Zealand
14:34 UTC · 10.0 km deep
4.5
12 km SSE of Coquimbo, Chile
19:50 UTC · 75.3 km deep
4.5
Pacific-Antarctic Ridge
14:50 UTC · 10.0 km deep
4.5
57 km WNW of Malango, Solomon Islands
13:39 UTC · 10.0 km deep
Earthquake Map — August 20, 2022
All Earthquakes — August 20, 2022
Showing 30 of 132 (filtered from 276)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-08-20 2022-08-20 23:49:16 UTC | 4.3mb | Balleny Islands region -62.721°, 167.244° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake in the Balleny Islands region came in on August 20, 2022 at 23:49 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 23:48:27 UTC | 2.6ml | 206 km SSE of False Pass, Alaska 53.054°, -162.624° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 206 km SSE of False Pass, Alaska on August 20, 2022, with origin time 23:48 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 23:34:25 UTC | 2.0ml | 58 km NW of Toyah, Texas 31.647°, -104.278° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:34 UTC on August 20, 2022, a magnitude 2.0 tremor occurred 58 km NW of Toyah, Texas. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 4 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 23:15:40 UTC | 2.1ml | 53 km NW of Toyah, Texas 31.611°, -104.243° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 53 km NW of Toyah, Texas on August 20, 2022, with origin time 23:15 UTC. Coming 4 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 22:49:20 UTC | 2.3md | 3 km SW of P?hala, Hawaii 19.184°, -155.501° | 35.0 km | - | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 3 km SW of P?hala, Hawaii on August 20, 2022, with origin time 22:49 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 22:33:02 UTC | 2.5md | 13 km SSE of Guánica, Puerto Rico 17.857°, -66.880° | 15.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 13 km SSE of Guánica, Puerto Rico at 22:33 UTC on August 20, 2022. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 7 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 22:27:16 UTC | 3.3md | 25 km ESE of Punta Cana, Dominican Republic 18.508°, -68.171° | 38.3 km | - | - | - | ✓ Reviewed | USGS → |
August 20, 2022 brought a magnitude 3.3 earthquake 25 km ESE of Punta Cana, Dominican Republic, logged at 22:27 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 21:59:21 UTC | 2.0ml | 57 km WNW of Anchor Point, Alaska 59.890°, -152.825° | 100.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 57 km WNW of Anchor Point, Alaska at 21:59 UTC on August 20, 2022. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 21:50:55 UTC | 2.8ml | 15 km WSW of Atka, Alaska 52.138°, -174.405° | 171.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 15 km WSW of Atka, Alaska at 21:50 UTC on August 20, 2022. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 21:32:07 UTC | 2.2md | 9 km E of P?hala, Hawaii 19.194°, -155.385° | 32.5 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 9 km E of P?hala, Hawaii on August 20, 2022, with origin time 21:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 21 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 21:15:48 UTC | 4.3mb | 30 km ESE of Salamanca, Chile -31.858°, -70.660° | 101.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 30 km ESE of Salamanca, Chile on August 20, 2022 at 21:15 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 20:04:09 UTC | 2.4ml | 46 km W of Tyonek, Alaska 61.047°, -152.005° | 90.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 46 km W of Tyonek, Alaska with origin time 20:04 UTC on August 20, 2022. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:50:04 UTC | 2.1ml | 136 km S of Unalaska, Alaska 52.653°, -166.353° | 14.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 136 km S of Unalaska, Alaska came in on August 20, 2022 at 19:50 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:50:00 UTC | 4.5mb | 12 km SSE of Coquimbo, Chile -30.060°, -71.310° | 75.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 12 km SSE of Coquimbo, Chile at 19:50 UTC on August 20, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:38:42 UTC | 2.5ml | 54 km E of Juneau, Alaska 58.345°, -133.501° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 54 km E of Juneau, Alaska on August 20, 2022, with origin time 19:38 UTC. Coming 15 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:34:46 UTC | 4.9mb | south of the Fiji Islands -23.723°, -179.787° | 508.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 20, 2022 at 19:34 UTC, a magnitude 4.9 earthquake struck south of the Fiji Islands. It is the largest earthquake currently listed for worldwide seismic activity on August 20, 2022. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:17:15 UTC | 2.2ml | 49 km NE of Pedro Bay, Alaska 60.036°, -153.382° | 133.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 49 km NE of Pedro Bay, Alaska came in on August 20, 2022 at 19:17 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:11:38 UTC | 2.4ml | 58 km S of Whites City, New Mexico 31.652°, -104.377° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 20, 2022, worldwide seismic activity registered a magnitude 2.4 earthquake 58 km S of Whites City, New Mexico at 19:11 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:11:31 UTC | 3.7md | 121 km N of Suárez, Puerto Rico 19.514°, -65.660° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.7 earthquake was recorded 121 km N of Suárez, Puerto Rico on August 20, 2022 at 19:11 UTC. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:08:58 UTC | 2.7ml | 16 km NNE of Ta`?, American Samoa -14.098°, -169.446° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 16 km NNE of Ta`?, American Samoa on August 20, 2022 at 19:08 UTC. Coming 16 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:06:51 UTC | 2.0mb_lg | 4 km WNW of Jonesboro, Maine 44.679°, -67.625° | 4.7 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 4 km WNW of Jonesboro, Maine on August 20, 2022, with origin time 19:06 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 19:03:15 UTC | 2.5ml | 15 km NNE of Ta`?, American Samoa -14.112°, -169.440° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 15 km NNE of Ta`?, American Samoa came in on August 20, 2022 at 19:03 UTC. It arrived roughly 16 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:55:17 UTC | 2.7md | 11 km S of Guánica, Puerto Rico 17.866°, -66.905° | 13.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 11 km S of Guánica, Puerto Rico came in on August 20, 2022 at 18:55 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:53:51 UTC | 2.0ml | 18 km N of Beluga, Alaska 61.307°, -151.125° | 62.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 18 km N of Beluga, Alaska came in on August 20, 2022 at 18:53 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:51:49 UTC | 2.3md | 2 km SSW of P?hala, Hawaii 19.182°, -155.490° | 33.5 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.3 earthquake 2 km SSW of P?hala, Hawaii with origin time 18:51 UTC on August 20, 2022. It arrived roughly 18 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:39:27 UTC | 4.4mb | South Sandwich Islands region -57.130°, -25.093° | 29.1 km | - | - | - | ✓ Reviewed | USGS → |
August 20, 2022 brought a magnitude 4.4 earthquake in the South Sandwich Islands region, logged at 18:39 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:38:34 UTC | 2.2md | 9 km SW of Volcano, Hawaii 19.372°, -155.292° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 9 km SW of Volcano, Hawaii at 18:38 UTC on August 20, 2022. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:30:56 UTC | 2.1md | 10 km E of P?hala, Hawaii 19.207°, -155.383° | 31.0 km | - | - | - | Auto | USGS → |
On August 20, 2022 at 18:30 UTC, a magnitude 2.1 earthquake struck 10 km E of P?hala, Hawaii. It arrived roughly 18 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:22:49 UTC | 2.7ml | 88 km E of Akutan, Alaska 54.199°, -164.426° | 81.8 km | - | - | - | ✓ Reviewed | USGS → |
August 20, 2022 brought a magnitude 2.7 earthquake 88 km E of Akutan, Alaska, logged at 18:22 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-08-20 2022-08-20 18:12:14 UTC | 2.8ml | 0 km SW of Cadelbosco di Sotto, Italy 44.797°, 10.610° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 0 km SW of Cadelbosco di Sotto, Italy on August 20, 2022, with origin time 18:12 UTC. The event was offshore. See the M2.8 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 20, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.