Earthquakes on September 22, 2023
302
EARTHQUAKES on September 22, 2023
24-hour UTC period · USGS data
LARGEST: M5.8 — Kepulauan Babar, Indonesia
147 km deep · 20 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
48
M3.0–3.9
10
M2.0–2.9
55
M1.0–1.9
184
Activity Summary
302
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
Kepulauan Babar, Indonesia
14:59 UTC · 147.0 km deep
Felt by 20
5.4
23 km NW of Port-Olry, Vanuatu
16:19 UTC · 39.2 km deep
5.1
51 km NNW of Rabaul, Papua New Guinea
01:11 UTC · 10.0 km deep
5.0
Izu Islands, Japan region
16:33 UTC · 10.0 km deep
5.0
48 km S of Sand Point, Alaska
09:04 UTC · 43.2 km deep
Felt by 1
4.9
south of the Fiji Islands
08:20 UTC · 452.3 km deep
4.9
Central Peru
02:11 UTC · 137.5 km deep
4.8
46 km SW of Neiafu, Tonga
22:13 UTC · 132.0 km deep
Felt by 1
Earthquake Map — September 22, 2023

All Earthquakes — September 22, 2023
Showing 30 of 118 (filtered from 302)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-09-22 2023-09-22 23:43:05 UTC | 2.1ml | 71 km E of Atka, Alaska 52.300°, -173.173° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 71 km E of Atka, Alaska at 23:43 UTC on September 22, 2023. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 23:31:24 UTC | 4.0mb | 98 km NE of Mombetsu, Japan 44.928°, 144.300° | 246.1 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2023 brought a magnitude 4.0 earthquake 98 km NE of Mombetsu, Japan, logged at 23:31 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 23:26:11 UTC | 4.6mb | southern East Pacific Rise -32.460°, -112.195° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2023 brought a magnitude 4.6 earthquake near southern East Pacific Rise, logged at 23:26 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 23:14:03 UTC | 2.2ml | 19 km S of Searles Valley, CA 35.596°, -117.431° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 19 km S of Searles Valley, CA at 23:14 UTC on September 22, 2023. 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. | ||||||||
2023-09-22 2023-09-22 22:49:45 UTC | 2.9ml | Rat Islands, Aleutian Islands, Alaska 50.355°, 179.522° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on September 22, 2023, a magnitude 2.9 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 22:48:15 UTC | 4.3mb | northern Colombia 6.867°, -73.051° | 146.3 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2023 brought a magnitude 4.3 earthquake near northern Colombia, logged at 22:48 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 22:13:50 UTC | 4.8mb | 46 km SW of Neiafu, Tonga -18.927°, -174.315° | 132.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 46 km SW of Neiafu, Tonga came in on September 22, 2023 at 22:13 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 22:03:14 UTC | 3.0ml | 60 km WNW of Ninilchik, Alaska 60.332°, -152.596° | 115.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 60 km WNW of Ninilchik, Alaska on September 22, 2023 at 22:03 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 21:59:54 UTC | 2.3ml | 119 km W of Adak, Alaska 51.881°, -178.366° | 134.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 119 km W of Adak, Alaska on September 22, 2023 at 21:59 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 21:57:54 UTC | 2.5ml | 125 km S of Atka, Alaska 51.076°, -173.951° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 125 km S of Atka, Alaska at 21:57 UTC on September 22, 2023. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 21:54:59 UTC | 3.4ml | 22 km NW of Akhiok, Alaska 57.066°, -154.475° | 29.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 22 km NW of Akhiok, Alaska came in on September 22, 2023 at 21:54 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 21:29:43 UTC | 4.0mb | 133 km E of Hicks Bay, New Zealand -37.466°, 179.797° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2023 at 21:29 UTC, a magnitude 4.0 earthquake struck 133 km E of Hicks Bay, New Zealand. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 21:09:18 UTC | 2.1ml(texnet) | 55 km S of Whites City, New Mexico 31.678°, -104.412° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 55 km S of Whites City, New Mexico on September 22, 2023, with origin time 21:09 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:58:44 UTC | 2.2ml | 2 km ESE of Madison, Ohio 41.761°, -81.024° | 5.0 km | 6 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 2 km ESE of Madison, Ohio came in on September 22, 2023 at 20:58 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:47:01 UTC | 4.4mb | 62 km WSW of Challapata, Bolivia -19.169°, -67.298° | 210.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2023, worldwide seismic activity registered a magnitude 4.4 earthquake 62 km WSW of Challapata, Bolivia at 20:47 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:38:41 UTC | 2.3ml | 36 km SSE of Campo, CA 32.299°, -116.338° | 17.5 km | 4 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 36 km SSE of Campo, CA with origin time 20:38 UTC on September 22, 2023. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:31:21 UTC | 2.2ml | 36 km WSW of Petersville, Alaska 62.364°, -151.421° | 82.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 36 km WSW of Petersville, Alaska on September 22, 2023 at 20:31 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:19:47 UTC | 4.4mb | Antofagasta, Chile -22.262°, -68.652° | 122.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:19 UTC on September 22, 2023, a magnitude 4.4 tremor occurred near Antofagasta, Chile. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:15:58 UTC | 3.9ml(texnet) | 8 km NE of Hermleigh, Texas 32.685°, -100.689° | 6.8 km | 22 | V | - | ✓ Reviewed | USGS → |
On September 22, 2023, worldwide seismic activity registered a magnitude 3.9 earthquake 8 km NE of Hermleigh, Texas at 20:15 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 20:12:23 UTC | 2.4ml | 10 km S of Wilson, Oklahoma 34.072°, -97.432° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
At 20:12 UTC on September 22, 2023, a magnitude 2.4 tremor occurred 10 km S of Wilson, Oklahoma. It arrived roughly 1 hours after a larger magnitude 2.4 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. | ||||||||
2023-09-22 2023-09-22 20:06:30 UTC | 3.8mb | 184 km WSW of Adak, Alaska 51.337°, -179.160° | 60.8 km | - | III | - | ✓ Reviewed | USGS → |
At 20:06 UTC on September 22, 2023, a magnitude 3.8 tremor occurred 184 km WSW of Adak, Alaska. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 19:56:57 UTC | 4.4mb | Mid-Indian Ridge -25.704°, 70.346° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake near Mid-Indian Ridge at 19:56 UTC on September 22, 2023. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 4 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 19:31:28 UTC | 4.2mb | 40 km SW of Turt, Mongolia 51.246°, 100.254° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2023, worldwide seismic activity registered a magnitude 4.2 earthquake 40 km SW of Turt, Mongolia at 19:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 19:24:43 UTC | 2.4ml | Oklahoma 34.072°, -97.441° | 12.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place near Oklahoma on September 22, 2023 at 19:24 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 19:13:40 UTC | 4.0mb | 119 km WNW of Suttsu, Japan 43.346°, 138.968° | 218.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 119 km WNW of Suttsu, Japan on September 22, 2023 at 19:13 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 19:09:13 UTC | 2.0ml | 8 km NW of Prague, Oklahoma 35.536°, -96.758° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:09 UTC on September 22, 2023, a magnitude 2.0 tremor occurred 8 km NW of Prague, Oklahoma. It arrived roughly 8 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 18:53:20 UTC | 2.4ml | 8 km NW of Prague, Oklahoma 35.539°, -96.754° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 8 km NW of Prague, Oklahoma at 18:53 UTC on September 22, 2023. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 18:51:55 UTC | 3.0ml | 8 km NW of Prague, Oklahoma 35.539°, -96.753° | 7.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 22, 2023, worldwide seismic activity registered a magnitude 3.0 earthquake 8 km NW of Prague, Oklahoma at 18:51 UTC. It arrived roughly 8 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 18:29:08 UTC | 4.5mb | Indian Ocean Triple Junction -26.034°, 70.457° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake near Indian Ocean Triple Junction at 18:29 UTC on September 22, 2023. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-22 2023-09-22 18:25:35 UTC | 2.1ml(texnet) | 25 km E of Forsan, Texas 32.130°, -101.092° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 25 km E of Forsan, Texas came in on September 22, 2023 at 18:25 UTC. The event was offshore. 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 September 22, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.