Earthquakes on September 4, 2022
310
EARTHQUAKES on September 4, 2022
24-hour UTC period · USGS data
LARGEST: M6.9 — central Mid-Atlantic Ridge
10 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
29
M3.0–3.9
17
M2.0–2.9
70
M1.0–1.9
187
Activity Summary
310
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.9
central Mid-Atlantic Ridge
09:42 UTC · 10.0 km deep
Felt by 2
6.2
southern East Pacific Rise
23:57 UTC · 10.0 km deep
5.4
76 km ENE of Tadine, New Caledonia
20:15 UTC · 10.0 km deep
5.2
Izu Islands, Japan region
19:53 UTC · 10.0 km deep
5.2
Izu Islands, Japan region
14:58 UTC · 10.0 km deep
5.1
35 km NE of Jal?l?b?d, Afghanistan
21:57 UTC · 10.0 km deep
Felt by 19
5.1
121 km SSW of Pagar Alam, Indonesia
08:52 UTC · 55.0 km deep
4.7
Izu Islands, Japan region
14:11 UTC · 10.0 km deep
Earthquake Map — September 4, 2022

All Earthquakes — September 4, 2022
Showing 30 of 123 (filtered from 310)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-09-04 2022-09-04 23:57:31 UTC | 6.2mww | southern East Pacific Rise -56.038°, -124.478° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 6.2 earthquake was recorded near southern East Pacific Rise on September 4, 2022 at 23:57 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M6.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 23:52:06 UTC | 2.1ml | 70 km SSE of Nikolski, Alaska 52.400°, -168.306° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 70 km SSE of Nikolski, Alaska at 23:52 UTC on September 4, 2022. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 23:46:56 UTC | 2.3md | 4 km SSE of Tallaboa, Puerto Rico 17.961°, -66.701° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 4 km SSE of Tallaboa, Puerto Rico with origin time 23:46 UTC on September 4, 2022. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 14 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 23:02:32 UTC | 4.1mb | 50 km ESE of Sarangani, Philippines 5.205°, 125.879° | 135.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 4, 2022, worldwide seismic activity registered a magnitude 4.1 earthquake 50 km ESE of Sarangani, Philippines at 23:02 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:55:15 UTC | 3.4ml | 14km ESE of Alum Rock, CA 37.312°, -121.678° | 7.8 km | 342 | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 14km ESE of Alum Rock, CA with origin time 22:55 UTC on September 4, 2022. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:39:49 UTC | 4.4mb | 216 km ESE of Levuka, Fiji -18.872°, -178.820° | 653.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 216 km ESE of Levuka, Fiji on September 4, 2022 at 22:39 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:27:40 UTC | 2.4ml | 145 km ESE of Atka, Alaska 51.660°, -172.268° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 145 km ESE of Atka, Alaska on September 4, 2022 at 22:27 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:24:25 UTC | 4.2mb | 78 km SW of Fas?, Iran 28.368°, 53.172° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 78 km SW of Fas?, Iran on September 4, 2022 at 22:24 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:17:06 UTC | 2.2ml | 1km SSE of Colton, CA 34.066°, -117.311° | 17.7 km | - | - | - | ✓ Reviewed | USGS → |
September 4, 2022 brought a magnitude 2.2 earthquake 1km SSE of Colton, CA, logged at 22:17 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 22:00:11 UTC | 3.1ml | 13 km NNE of Ta`?, American Samoa -14.125°, -169.456° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.1 earthquake 13 km NNE of Ta`?, American Samoa came in on September 4, 2022 at 22:00 UTC. Coming 17 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:57:35 UTC | 5.1mww | 35 km NE of Jal?l?b?d, Afghanistan 34.664°, 70.712° | 10.0 km | 19 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake 35 km NE of Jal?l?b?d, Afghanistan at 21:57 UTC on September 4, 2022. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:56:12 UTC | 3.8ml | 194 km SSE of Attu Station, Alaska 51.310°, 174.532° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.8 earthquake 194 km SSE of Attu Station, Alaska came in on September 4, 2022 at 21:56 UTC. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:51:08 UTC | 2.2md | 4 km SSE of Lakesite, Tennessee 35.169°, -85.104° | 19.7 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 4, 2022 at 21:51 UTC, a magnitude 2.2 earthquake struck 4 km SSE of Lakesite, Tennessee. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:49:21 UTC | 2.2md | 6 km E of La Parguera, Puerto Rico 17.978°, -66.984° | 13.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 6 km E of La Parguera, Puerto Rico at 21:49 UTC on September 4, 2022. Coming 18 hours after a magnitude 2.5 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. | ||||||||
2022-09-04 2022-09-04 21:49:10 UTC | 4.6mb | 18 km S of Calatagan, Philippines 13.665°, 120.658° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 4, 2022 brought a magnitude 4.6 earthquake 18 km S of Calatagan, Philippines, logged at 21:49 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:45:38 UTC | 2.2ml | 22km SSW of Newport Beach, CA 33.431°, -118.017° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
On September 4, 2022 at 21:45 UTC, a magnitude 2.2 earthquake struck 22km SSW of Newport Beach, CA. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:43:58 UTC | 2.8ml | 21 km NNE of Ta`?, American Samoa -14.050°, -169.453° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 4, 2022 brought a magnitude 2.8 earthquake 21 km NNE of Ta`?, American Samoa, logged at 21:43 UTC. Coming 17 hours after a magnitude 3.3 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. | ||||||||
2022-09-04 2022-09-04 21:23:53 UTC | 4.4mb | central Mid-Atlantic Ridge -0.554°, -20.371° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 4, 2022 brought a magnitude 4.4 earthquake near central Mid-Atlantic Ridge, logged at 21:23 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 21:09:51 UTC | 2.6ml | 146 km SE of Akutan, Alaska 53.336°, -164.012° | 43.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 146 km SE of Akutan, Alaska on September 4, 2022 at 21:09 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:56:58 UTC | 2.2ml | 11 km W of Stanley, Idaho 44.203°, -115.075° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 11 km W of Stanley, Idaho on September 4, 2022, with origin time 20:56 UTC. It arrived roughly 7 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. | ||||||||
2022-09-04 2022-09-04 20:52:04 UTC | 4.5mb | 13 km NNE of Sapillica, Peru -4.668°, -79.928° | 42.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 13 km NNE of Sapillica, Peru with origin time 20:52 UTC on September 4, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:35:59 UTC | 2.2md | 4km NNE of Pinnacles, CA 36.568°, -121.125° | 9.4 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 4km NNE of Pinnacles, CA with origin time 20:35 UTC on September 4, 2022. Coming 2 hours after a magnitude 3.5 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. | ||||||||
2022-09-04 2022-09-04 20:32:05 UTC | 2.5md | 4km N of Pinnacles, CA 36.566°, -121.137° | 10.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 4km N of Pinnacles, CA with origin time 20:32 UTC on September 4, 2022. It arrived roughly 2 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:15:04 UTC | 5.4mww | 76 km ENE of Tadine, New Caledonia -21.269°, 168.559° | 10.0 km | - | IV | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.4 earthquake 76 km ENE of Tadine, New Caledonia with origin time 20:15 UTC on September 4, 2022. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:09:12 UTC | 2.0ml | 141 km ESE of Chiniak, Alaska 57.063°, -150.170° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 141 km ESE of Chiniak, Alaska came in on September 4, 2022 at 20:09 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:01:15 UTC | 2.2md | 4km NNE of Pinnacles, CA 36.568°, -121.134° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 4, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 4km NNE of Pinnacles, CA at 20:01 UTC. It arrived roughly 1 hours after a larger magnitude 3.5 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. | ||||||||
2022-09-04 2022-09-04 20:01:01 UTC | 2.1md | 5km NNE of Pinnacles, CA 36.570°, -121.116° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:01 UTC on September 4, 2022, a magnitude 2.1 tremor occurred 5km NNE of Pinnacles, CA. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 20:00:49 UTC | 2.3md | 5km NNE of Pinnacles, CA 36.568°, -121.117° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 5km NNE of Pinnacles, CA at 20:00 UTC on September 4, 2022. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 19:53:59 UTC | 5.2mww | Izu Islands, Japan region 32.300°, 142.378° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 4, 2022, worldwide seismic activity registered a magnitude 5.2 earthquake in the Izu Islands, Japan region at 19:53 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-04 2022-09-04 19:28:39 UTC | 2.0md | 1 km N of Palomas, Puerto Rico 18.026°, -66.875° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
At 19:28 UTC on September 4, 2022, a magnitude 2.0 tremor occurred 1 km N of Palomas, Puerto Rico. It arrived roughly 9 hours after a larger magnitude 2.7 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. | ||||||||
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 4, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.