Earthquakes on July 22, 2021
416
EARTHQUAKES on July 22, 2021
24-hour UTC period · USGS data
35 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
27
M3.0–3.9
10
M2.0–2.9
88
M1.0–1.9
287
Activity Summary
416
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
22 km NW of Port-Olry, Vanuatu
02:24 UTC · 35.0 km deep
Felt by 1
5.2
54 km SW of Masachapa, Nicaragua
01:28 UTC · 35.0 km deep
Felt by 2
5.1
55 km S of Burica, Panama
12:51 UTC · 10.0 km deep
Felt by 4
5.0
Carlsberg Ridge
02:10 UTC · 10.0 km deep
4.9
Pacific-Antarctic Ridge
23:40 UTC · 10.0 km deep
4.8
29 km SSW of Mandráki, Greece
14:16 UTC · 41.6 km deep
Felt by 2
4.7
108 km NE of Lospalos, Timor Leste
01:31 UTC · 140.1 km deep
4.6
4 km WSW of Asprángeloi, Greece
16:49 UTC · 22.5 km deep
Felt by 5
Earthquake Map — July 22, 2021
All Earthquakes — July 22, 2021
Showing 30 of 129 (filtered from 416)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-07-22 2021-07-22 23:57:56 UTC | 2.1ml | 65 km E of Teller, Alaska 65.202°, -164.967° | 17.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 65 km E of Teller, Alaska with origin time 23:57 UTC on July 22, 2021. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 23:52:55 UTC | 2.7md | 1 km N of Guayanilla, Puerto Rico 18.037°, -66.793° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 1 km N of Guayanilla, Puerto Rico with origin time 23:52 UTC on July 22, 2021. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 23:40:26 UTC | 4.9mb | Pacific-Antarctic Ridge -56.501°, -143.605° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:40 UTC on July 22, 2021, a magnitude 4.9 tremor occurred near Pacific-Antarctic Ridge. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 23:02:19 UTC | 2.6ml | 13 km W of Point Possession, Alaska 60.931°, -150.935° | 67.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 13 km W of Point Possession, Alaska on July 22, 2021 at 23:02 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 22:53:08 UTC | 4.5mb | 69 km NW of Ternate, Indonesia 1.188°, 126.903° | 78.0 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2021 brought a magnitude 4.5 earthquake 69 km NW of Ternate, Indonesia, logged at 22:53 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 22:37:52 UTC | 2.0ml | 64 km ESE of West Yellowstone, Montana 44.456°, -110.349° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 64 km ESE of West Yellowstone, Montana on July 22, 2021, with origin time 22:37 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 12 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 22:15:38 UTC | 3.1md | 6 km W of La Parguera, Puerto Rico 17.964°, -67.104° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 6 km W of La Parguera, Puerto Rico came in on July 22, 2021 at 22:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 16 hours earlier. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 22:10:39 UTC | 2.4ml | 152 km SSE of False Pass, Alaska 53.531°, -162.804° | 30.1 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2021 at 22:10 UTC, a magnitude 2.4 earthquake struck 152 km SSE of False Pass, Alaska. This event falls inside the aftershock decay of a nearby magnitude 4.4 earthquake that occurred about 9 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:50:57 UTC | 2.2md | 5 km SW of La Parguera, Puerto Rico 17.941°, -67.089° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 5 km SW of La Parguera, Puerto Rico with origin time 21:50 UTC on July 22, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:22:49 UTC | 2.8ml | 89 km SW of Adak, Alaska 51.251°, -177.447° | 26.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 89 km SW of Adak, Alaska came in on July 22, 2021 at 21:22 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:21:20 UTC | 2.8ml | 58 km S of Whites City, New Mexico 31.653°, -104.307° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 58 km S of Whites City, New Mexico on July 22, 2021 at 21:21 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:17:35 UTC | 4.2mb | 252 km S of Merizo Village, Guam 10.993°, 144.438° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 252 km S of Merizo Village, Guam at 21:17 UTC on July 22, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:05:05 UTC | 3.0md | 14 km NW of Rincón, Puerto Rico 18.425°, -67.353° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 14 km NW of Rincón, Puerto Rico on July 22, 2021 at 21:05 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 21:02:00 UTC | 2.8ml | 82 km E of Adak, Alaska 51.881°, -175.429° | 67.8 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2021 brought a magnitude 2.8 earthquake 82 km E of Adak, Alaska, logged at 21:02 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 20:59:39 UTC | 2.0md | 41km NE of Covelo, CA 40.052°, -122.912° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2021 at 20:59 UTC, a magnitude 2.0 earthquake struck 41km NE of Covelo, CA. 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. | ||||||||
2021-07-22 2021-07-22 20:14:11 UTC | 2.5ml | 4km SE of Ontario, CA 34.028°, -117.599° | 15.5 km | 6 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 4km SE of Ontario, CA came in on July 22, 2021 at 20:14 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 20:07:51 UTC | 2.0ml | 45 km NW of Toyah, Texas 31.613°, -104.116° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 45 km NW of Toyah, Texas on July 22, 2021, with origin time 20:07 UTC. Coming 19 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:57:43 UTC | 2.2md | 29km SE of Markleeville, CA 38.530°, -119.529° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 29km SE of Markleeville, CA on July 22, 2021 at 19:57 UTC. It arrived roughly 2 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2021-07-22 2021-07-22 19:53:47 UTC | 2.0md | 11km N of Tennant, CA 41.684°, -121.896° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 11km N of Tennant, CA on July 22, 2021 at 19:53 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. | ||||||||
2021-07-22 2021-07-22 19:43:56 UTC | 2.1ml | 29 km SE of Mina, Nevada 38.177°, -117.910° | 3.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 22, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 29 km SE of Mina, Nevada at 19:43 UTC. 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. | ||||||||
2021-07-22 2021-07-22 19:32:37 UTC | 2.8md | 3 km S of Pole Ojea, Puerto Rico 17.947°, -67.184° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2021 at 19:32 UTC, a magnitude 2.8 earthquake struck 3 km S of Pole Ojea, 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:25:01 UTC | 4.5mb | 124 km SE of Lata, Solomon Islands -11.631°, 166.467° | 66.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2021 at 19:25 UTC, a magnitude 4.5 earthquake struck 124 km SE of Lata, Solomon Islands. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:24:40 UTC | 2.0ml | 33 km WSW of Nanwalek, Alaska 59.280°, -152.490° | 64.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 33 km WSW of Nanwalek, Alaska came in on July 22, 2021 at 19:24 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:23:35 UTC | 4.4mb | 65 km SSW of San Pedro de Atacama, Chile -23.418°, -68.531° | 109.6 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2021 brought a magnitude 4.4 earthquake 65 km SSW of San Pedro de Atacama, Chile, logged at 19:23 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:21:10 UTC | 2.0ml | 7km WSW of Holtville, CA 32.797°, -115.452° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
At 19:21 UTC on July 22, 2021, a magnitude 2.0 tremor occurred 7km WSW of Holtville, CA. It arrived roughly 16 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. | ||||||||
2021-07-22 2021-07-22 19:19:58 UTC | 2.5md | 8km NW of Dunnigan, CA 38.941°, -122.023° | 16.2 km | 6 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 8km NW of Dunnigan, CA on July 22, 2021 at 19:19 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:04:38 UTC | 2.3ml | 7km W of Holtville, CA 32.800°, -115.454° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 7km W of Holtville, CA on July 22, 2021 at 19:04 UTC. It arrived roughly 15 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 19:02:05 UTC | 4.0mb | south of the Kermadec Islands -32.468°, -179.652° | 187.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2021 at 19:02 UTC, a magnitude 4.0 earthquake struck south of the Kermadec Islands. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-07-22 2021-07-22 18:53:05 UTC | 2.5ml | 6 km WSW of Walker, California 38.498°, -119.547° | 5.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 6 km WSW of Walker, California with origin time 18:53 UTC on July 22, 2021. Coming 1 hours after a magnitude 2.7 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. | ||||||||
2021-07-22 2021-07-22 18:24:48 UTC | 2.1ml | 51 km ENE of Savoonga, Alaska 63.811°, -169.477° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:24 UTC on July 22, 2021, a magnitude 2.1 tremor occurred 51 km ENE of Savoonga, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 14 hours earlier. See the M2.1 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.