Earthquakes on July 22, 2023
272
EARTHQUAKES on July 22, 2023
24-hour UTC period · USGS data
LARGEST: M4.9 — 32 km SSE of Saiki, Japan
29 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
0
M4.0–4.9
27
M3.0–3.9
20
M2.0–2.9
67
M1.0–1.9
158
Activity Summary
272
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
32 km SSE of Saiki, Japan
12:14 UTC · 28.8 km deep
Felt by 4
4.9
northern Mid-Atlantic Ridge
10:28 UTC · 10.0 km deep
4.8
South Sandwich Islands region
15:03 UTC · 70.2 km deep
4.8
3 km SE of Funaishikawa, Japan
01:52 UTC · 61.7 km deep
Felt by 21
4.6
28 km W of La Libertad, El Salvador
01:11 UTC · 87.3 km deep
4.5
173 km NE of Lospalos, Timor Leste
16:51 UTC · 153.5 km deep
4.5
13 km SW of Cabay, Philippines
16:28 UTC · 84.0 km deep
4.5
158 km WSW of Fakfak, Indonesia
15:31 UTC · 31.7 km deep
Earthquake Map — July 22, 2023

All Earthquakes — July 22, 2023
Showing 30 of 114 (filtered from 272)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-07-22 2023-07-22 23:40:27 UTC | 3.6ml | 134 km SE of Perryville, Alaska 55.046°, -157.669° | 2.3 km | - | I | - | ✓ Reviewed | USGS → |
A magnitude 3.6 earthquake was recorded 134 km SE of Perryville, Alaska on July 22, 2023 at 23:40 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 23:07:37 UTC | 4.3mb | 102 km ENE of Kainantu, Papua New Guinea -5.821°, 146.669° | 99.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 102 km ENE of Kainantu, Papua New Guinea on July 22, 2023 at 23:07 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 23:01:53 UTC | 3.3ml | Rat Islands, Aleutian Islands, Alaska 50.580°, 176.911° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2023 brought a magnitude 3.3 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 23:01 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 22:54:32 UTC | 3.2ml | 196 km SE of Adak, Alaska 50.453°, -174.958° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023 at 22:54 UTC, a magnitude 3.2 earthquake struck 196 km SE of Adak, Alaska. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 22:42:41 UTC | 2.0ml | Rat Islands, Aleutian Islands, Alaska 50.983°, 179.045° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 22:42 UTC on July 22, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 22:22:55 UTC | 2.2ml | 13 km N of Snyder, Texas 32.839°, -100.945° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 13 km N of Snyder, Texas on July 22, 2023 at 22:22 UTC. It arrived roughly 1 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 22:20:33 UTC | 3.0ml | 80 km S of Unalaska, Alaska 53.160°, -166.721° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:20 UTC on July 22, 2023, a magnitude 3.0 tremor occurred 80 km S of Unalaska, Alaska. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 21:46:09 UTC | 3.2ml | 132 km WSW of Adak, Alaska 51.653°, -178.527° | 86.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 132 km WSW of Adak, Alaska on July 22, 2023 at 21:46 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 21:22:42 UTC | 2.9ml | 87km ESE of Maneadero, B.C., MX 31.538°, -115.673° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 87km ESE of Maneadero, B.C., MX came in on July 22, 2023 at 21:22 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 21:20:39 UTC | 3.4ml | 13 km NNW of Snyder, Texas 32.841°, -100.947° | 4.3 km | 9 | - | - | ✓ Reviewed | USGS → |
At 21:20 UTC on July 22, 2023, a magnitude 3.4 tremor occurred 13 km NNW of Snyder, Texas. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 21:07:36 UTC | 3.4ml | 218 km S of Nikolski, Alaska 50.992°, -169.283° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.4 earthquake 218 km S of Nikolski, Alaska at 21:07 UTC on July 22, 2023. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 21:04:43 UTC | 3.9mwr | 154 km WSW of Illapel, Chile -31.932°, -72.764° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.9 earthquake 154 km WSW of Illapel, Chile came in on July 22, 2023 at 21:04 UTC. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 20:54:08 UTC | 2.0ml | 8 km SW of Volcano, Hawaii 19.381°, -155.282° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 8 km SW of Volcano, Hawaii on July 22, 2023 at 20:54 UTC. Coming 7 hours after a magnitude 2.2 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 20:46:32 UTC | 2.0ml | 31 km W of Tanana, Alaska 65.176°, -152.762° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023, worldwide seismic activity registered a magnitude 2.0 earthquake 31 km W of Tanana, Alaska at 20:46 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 20:41:02 UTC | 4.1mb | 1 km ESE of Lianga, Philippines 8.630°, 126.108° | 95.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023, worldwide seismic activity registered a magnitude 4.1 earthquake 1 km ESE of Lianga, Philippines at 20:41 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 20:27:35 UTC | 4.4mb | 31 km ESE of Tuapejat, Indonesia -2.096°, 99.865° | 34.2 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023 at 20:27 UTC, a magnitude 4.4 earthquake struck 31 km ESE of Tuapejat, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 20:10:54 UTC | 2.6ml | 17 km SW of Dillon, Montana 45.086°, -112.765° | 10.2 km | 1 | - | - | ✓ Reviewed | USGS → |
On July 22, 2023 at 20:10 UTC, a magnitude 2.6 earthquake struck 17 km SW of Dillon, Montana. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 19:59:05 UTC | 2.2ml | 17 km E of Pleasanton, Texas 28.956°, -98.297° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 17 km E of Pleasanton, Texas with origin time 19:59 UTC on July 22, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 6 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 19:32:07 UTC | 2.0ml | 12 km SSE of Fern Forest, Hawaii 19.371°, -155.073° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023 at 19:32 UTC, a magnitude 2.0 earthquake struck 12 km SSE of Fern Forest, Hawaii. 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. | ||||||||
2023-07-22 2023-07-22 19:27:52 UTC | 2.5ml | 22 km NNE of Brevig Mission, Alaska 65.528°, -166.371° | 17.2 km | - | - | - | ✓ Reviewed | USGS → |
At 19:27 UTC on July 22, 2023, a magnitude 2.5 tremor occurred 22 km NNE of Brevig Mission, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:54:32 UTC | 2.4ml | 85 km SSW of Point Hope, Alaska 67.603°, -167.215° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2023 brought a magnitude 2.4 earthquake 85 km SSW of Point Hope, Alaska, logged at 18:54 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:46:13 UTC | 2.3md | 8 km SE of Pinnacles, CA 36.480°, -121.089° | 1.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 8 km SE of Pinnacles, CA at 18:46 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:31:11 UTC | 2.8ml | 110 km SSW of Sand Point, Alaska 54.378°, -160.962° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
July 22, 2023 brought a magnitude 2.8 earthquake 110 km SSW of Sand Point, Alaska, logged at 18:31 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:26:23 UTC | 3.0ml | 69 km SW of Nikolski, Alaska 52.515°, -169.622° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 69 km SW of Nikolski, Alaska at 18:26 UTC on July 22, 2023. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:20:20 UTC | 2.8ml | 39 km NE of Sand Point, Alaska 55.595°, -160.082° | 81.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 22, 2023 at 18:20 UTC, a magnitude 2.8 earthquake struck 39 km NE of Sand Point, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 18:10:33 UTC | 4.3mb | South Sandwich Islands region -55.926°, -26.307° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake in the South Sandwich Islands region with origin time 18:10 UTC on July 22, 2023. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 17:43:54 UTC | 2.5md | 2 km SSW of Tres Pinos, CA 36.777°, -121.327° | 7.7 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 2 km SSW of Tres Pinos, CA on July 22, 2023 at 17:43 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 17:30:43 UTC | 2.0ml | 28 km SE of Caliente, Nevada 37.404°, -114.334° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
At 17:30 UTC on July 22, 2023, a magnitude 2.0 tremor occurred 28 km SE of Caliente, Nevada. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 17:24:45 UTC | 3.0ml | 61 km SSW of Atka, Alaska 51.712°, -174.642° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 61 km SSW of Atka, Alaska on July 22, 2023, with origin time 17:24 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-07-22 2023-07-22 17:18:26 UTC | 2.6ml | 18 km E of Naalehu, Hawaii 19.040°, -155.408° | 35.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 18 km E of Naalehu, Hawaii on July 22, 2023 at 17:18 UTC. The event was offshore. See the M2.6 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 July 22, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.