Earthquakes on July 22, 2020
500
EARTHQUAKES on July 22, 2020
24-hour UTC period · USGS data
LARGEST: M6.3 — western Xizang
10 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
34
M3.0–3.9
58
M2.0–2.9
141
M1.0–1.9
260
Activity Summary
500
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.3
western Xizang
20:07 UTC · 10.0 km deep
Felt by 2
5.7
76 km ESE of Sand Point, Alaska
08:13 UTC · 45.2 km deep
Felt by 3
5.5
73 km S of Ivanof Bay, Alaska
21:39 UTC · 35.6 km deep
Felt by 8
5.1
85 km WSW of Port-Olry, Vanuatu
07:30 UTC · 47.3 km deep
5.0
28 km ENE of Copiapó, Chile
22:25 UTC · 94.6 km deep
Felt by 2
5.0
western Xizang
20:14 UTC · 10.0 km deep
5.0
216 km SW of Port McNeill, Canada
11:33 UTC · 10.0 km deep
Felt by 31
4.9
170 km WSW of Adak, Alaska
23:06 UTC · 45.0 km deep
Earthquake Map — July 22, 2020

All Earthquakes — July 22, 2020
Showing 30 of 240 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-07-22 2020-07-22 23:56:34 UTC | 2.0ml | 59 km SSE of Sand Point, Alaska 54.816°, -160.309° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 59 km SSE of Sand Point, Alaska came in on July 22, 2020 at 23:56 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 11 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:52:26 UTC | 2.6ml | 51 km NNW of Petersville, Alaska 62.919°, -151.142° | 115.1 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.6 earthquake 51 km NNW of Petersville, Alaska at 23:52 UTC on July 22, 2020. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:48:25 UTC | 2.2ml | 120 km ESE of Sand Point, Alaska 54.840°, -158.819° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 120 km ESE of Sand Point, Alaska with origin time 23:48 UTC on July 22, 2020. Coming 15 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:47:05 UTC | 2.4ml | 111 km SE of King Cove, Alaska 54.332°, -161.127° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2020 brought a magnitude 2.4 earthquake 111 km SE of King Cove, Alaska, logged at 23:47 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:29:17 UTC | 2.0ml | 53 km E of Juneau, Alaska 58.363°, -133.518° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 53 km E of Juneau, Alaska on July 22, 2020 at 23:29 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. | ||||||||
2020-07-22 2020-07-22 23:20:07 UTC | 2.8ml | 101 km SSW of Sand Point, Alaska 54.473°, -161.023° | 9.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 101 km SSW of Sand Point, Alaska came in on July 22, 2020 at 23:20 UTC. Coming 14 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:19:45 UTC | 2.5ml | 88 km SSW of Sand Point, Alaska 54.588°, -160.961° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 88 km SSW of Sand Point, Alaska on July 22, 2020, with origin time 23:19 UTC. Coming 11 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:15:00 UTC | 2.5md | 11 km SSE of P?hala, Hawaii 19.111°, -155.431° | 38.5 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.5 earthquake 11 km SSE of P?hala, Hawaii at 23:15 UTC on July 22, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 10 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:13:17 UTC | 3.2ml | 58 km S of Sand Point, Alaska 54.823°, -160.339° | 28.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2020 at 23:13 UTC, a magnitude 3.2 earthquake struck 58 km S of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 10 hours earlier. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:10:41 UTC | 2.4ml | 55 km SSE of Denali National Park, Alaska 63.076°, -151.353° | 36.7 km | - | - | - | Auto | USGS → |
On July 22, 2020 at 23:10 UTC, a magnitude 2.4 earthquake struck 55 km SSE of Denali National Park, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:10:41 UTC | 2.3ml | 30 km SSE of Chickaloon, Alaska 61.569°, -148.144° | 238.9 km | - | - | - | Auto | USGS → |
On July 22, 2020 at 23:10 UTC, a magnitude 2.3 earthquake struck 30 km SSE of Chickaloon, Alaska. This is the deepest earthquake in the current dataset — an intermediate depth event. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:10:16 UTC | 2.0ml | 39 km S of Deering, Alaska 65.728°, -162.589° | 93.1 km | - | - | - | Auto | USGS → |
July 22, 2020 brought a magnitude 2.0 earthquake 39 km S of Deering, Alaska, logged at 23:10 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:10:15 UTC | 2.8ml | 27 km ENE of Port Alsworth, Alaska 60.333°, -153.901° | 57.9 km | - | - | - | Auto | USGS → |
A magnitude 2.8 seismic event took place 27 km ENE of Port Alsworth, Alaska on July 22, 2020 at 23:10 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:09:45 UTC | 2.5ml | 13 km ENE of Tuluksak, Alaska 61.150°, -160.737° | 17.9 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.5 earthquake 13 km ENE of Tuluksak, Alaska came in on July 22, 2020 at 23:09 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:09:18 UTC | 3.9mb | 72 km S of Sand Point, Alaska 54.689°, -160.324° | 45.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.9 earthquake was recorded 72 km S of Sand Point, Alaska on July 22, 2020 at 23:09 UTC. Coming 10 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 23:06:36 UTC | 4.9mb | 170 km WSW of Adak, Alaska 51.348°, -178.942° | 45.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake 170 km WSW of Adak, Alaska came in on July 22, 2020 at 23:06 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:59:55 UTC | 2.0md | 3 km WSW of P?hala, Hawaii 19.189°, -155.509° | 33.5 km | - | - | - | Auto | USGS → |
On July 22, 2020 at 22:59 UTC, a magnitude 2.0 earthquake struck 3 km WSW of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 9 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:56:16 UTC | 2.2ml | 3 km WSW of P?hala, Hawaii 19.192°, -155.508° | 34.0 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 3 km WSW of P?hala, Hawaii on July 22, 2020 at 22:56 UTC. It arrived roughly 9 hours after a larger magnitude 2.8 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. | ||||||||
2020-07-22 2020-07-22 22:53:39 UTC | 3.0ml | 52 km SSE of Sand Point, Alaska 54.882°, -160.301° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 52 km SSE of Sand Point, Alaska came in on July 22, 2020 at 22:53 UTC. It arrived roughly 15 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:50:13 UTC | 3.2ml | 61 km S of Sand Point, Alaska 54.789°, -160.406° | 29.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 61 km S of Sand Point, Alaska on July 22, 2020 at 22:50 UTC. Coming 12 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:49:54 UTC | 2.0ml | 33 km SSW of Mina, Nevada 38.099°, -118.186° | 3.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 33 km SSW of Mina, Nevada on July 22, 2020 at 22:49 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. | ||||||||
2020-07-22 2020-07-22 22:38:51 UTC | 2.2md | 2 km S of Guánica, Puerto Rico 17.951°, -66.909° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2020 at 22:38 UTC, a magnitude 2.2 earthquake struck 2 km S of Guánica, Puerto Rico. Coming 13 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:28:33 UTC | 4.5mb | western Xizang 33.187°, 86.745° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place near western Xizang on July 22, 2020 at 22:28 UTC. It arrived roughly 2 hours after a larger magnitude 6.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:28:32 UTC | 2.0ml | 69 km SSE of Sand Point, Alaska 54.800°, -159.939° | 30.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 69 km SSE of Sand Point, Alaska with origin time 22:28 UTC on July 22, 2020. It arrived roughly 11 hours after a larger magnitude 3.5 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. | ||||||||
2020-07-22 2020-07-22 22:25:11 UTC | 5.0mww | 28 km ENE of Copiapó, Chile -27.286°, -70.062° | 94.6 km | 2 | - | - | ✓ Reviewed | USGS → |
At 22:25 UTC on July 22, 2020, a magnitude 5.0 tremor occurred 28 km ENE of Copiapó, Chile. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:06:48 UTC | 2.4md | 3 km SW of Guánica, Puerto Rico 17.946°, -66.934° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 3 km SW of Guánica, Puerto Rico came in on July 22, 2020 at 22:06 UTC. Coming 13 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 22:04:14 UTC | 2.1ml | 92 km SSE of Perryville, Alaska 55.109°, -158.755° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 92 km SSE of Perryville, Alaska at 22:04 UTC. Coming 12 hours after a magnitude 4.7 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. | ||||||||
2020-07-22 2020-07-22 21:55:28 UTC | 2.2md | 10km NE of Milpitas, CA 37.493°, -121.826° | 4.4 km | 1 | - | - | ✓ Reviewed | USGS → |
July 22, 2020 brought a magnitude 2.2 earthquake 10km NE of Milpitas, CA, logged at 21:55 UTC. 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. | ||||||||
2020-07-22 2020-07-22 21:51:10 UTC | 3.2ml | 107 km SSE of Perryville, Alaska 55.071°, -158.315° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 107 km SSE of Perryville, Alaska with origin time 21:51 UTC on July 22, 2020. It arrived roughly 8 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-22 2020-07-22 21:39:58 UTC | 5.5mww | 73 km S of Ivanof Bay, Alaska 55.246°, -159.344° | 35.6 km | 8 | III | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.5 earthquake 73 km S of Ivanof Bay, Alaska with origin time 21:39 UTC on July 22, 2020. A tsunami evaluation was automatically initiated given the magnitude and location. Coming 13 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.5 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 July 22, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.