Earthquakes on September 6, 2023
273
EARTHQUAKES on September 6, 2023
24-hour UTC period · USGS data
LARGEST: M6.3 — 38 km SSW of Coquimbo, Chile
36 km deep · 80 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
27
M3.0–3.9
14
M2.0–2.9
56
M1.0–1.9
175
Activity Summary
273
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Significant Earthquakes (M4.5+)
6.3
38 km SSW of Coquimbo, Chile
23:48 UTC · 36.0 km deep
Felt by 80
4.9
34 km E of Hoemul-li, North Korea
15:52 UTC · 644.9 km deep
Felt by 1
4.9
202 km ESE of Hihifo, Tonga
11:11 UTC · 10.0 km deep
4.9
4 km ESE of Bato, Philippines
07:51 UTC · 13.3 km deep
Felt by 8
4.9
8 km WSW of Santa Cruz, Philippines
06:53 UTC · 13.0 km deep
Felt by 2
4.9
150 km NW of Tobelo, Indonesia
00:07 UTC · 48.8 km deep
4.8
Banda Sea
23:53 UTC · 149.4 km deep
4.8
121 km ESE of Fangale’ounga, Tonga
17:03 UTC · 10.0 km deep
Earthquake Map — September 6, 2023
All Earthquakes — September 6, 2023
Showing 30 of 98 (filtered from 273)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-09-06 2023-09-06 23:53:14 UTC | 4.8mb | Banda Sea -6.739°, 129.533° | 149.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected near Banda Sea on September 6, 2023, with origin time 23:53 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 23:48:31 UTC | 2.8ml | 105 km SSE of Ugashik, Alaska 56.635°, -156.736° | 62.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 105 km SSE of Ugashik, Alaska at 23:48 UTC on September 6, 2023. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 23:48:04 UTC | 6.3mww | 38 km SSW of Coquimbo, Chile -30.274°, -71.482° | 36.0 km | 80 | VI | green | ✓ Reviewed | USGS → |
On September 6, 2023 at 23:48 UTC, a magnitude 6.3 earthquake struck 38 km SSW of Coquimbo, Chile. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on September 6, 2023. See the M6.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 23:41:34 UTC | 2.0ml | 53 km NE of Adak, Alaska 52.199°, -176.058° | 131.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 53 km NE of Adak, Alaska on September 6, 2023 at 23:41 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 23:15:00 UTC | 2.4ml | 24 km NW of Toyah, Texas 31.484°, -103.951° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023 at 23:15 UTC, a magnitude 2.4 earthquake struck 24 km NW of Toyah, Texas. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 23:11:31 UTC | 4.3mb | 231 km E of Levuka, Fiji -17.923°, -178.501° | 583.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake 231 km E of Levuka, Fiji with origin time 23:11 UTC on September 6, 2023. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 22:42:23 UTC | 3.6md | 64 km N of Hatillo, Puerto Rico 19.070°, -66.762° | 52.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023, worldwide seismic activity registered a magnitude 3.6 earthquake 64 km N of Hatillo, Puerto Rico at 22:42 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 22:40:35 UTC | 2.4ml | 145 km WSW of Pelican, Alaska 57.713°, -138.627° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 145 km WSW of Pelican, Alaska on September 6, 2023 at 22:40 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 21:57:25 UTC | 4.1mb | 88 km WNW of Sola, Vanuatu -13.517°, 166.822° | 105.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 88 km WNW of Sola, Vanuatu with origin time 21:57 UTC on September 6, 2023. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 21:46:09 UTC | 4.2mb | 246 km ESE of Kamaishi, Japan 38.485°, 144.525° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023 at 21:46 UTC, a magnitude 4.2 earthquake struck 246 km ESE of Kamaishi, Japan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 21:23:24 UTC | 4.0mb | Banda Sea -6.631°, 129.764° | 149.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected near Banda Sea on September 6, 2023, with origin time 21:23 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 19:58:06 UTC | 2.3ml | 22 km NW of Challis, Idaho 44.672°, -114.391° | 8.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023 at 19:58 UTC, a magnitude 2.3 earthquake struck 22 km NW of Challis, Idaho. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 19:54:12 UTC | 3.2ml | 22 km NW of Challis, Idaho 44.660°, -114.409° | 16.6 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 seismic event took place 22 km NW of Challis, Idaho on September 6, 2023 at 19:54 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 19:49:51 UTC | 2.1ml | 2 km SSW of Pāhala, Hawaii 19.185°, -155.488° | 35.2 km | - | - | - | Auto | USGS → |
At 19:49 UTC on September 6, 2023, a magnitude 2.1 tremor occurred 2 km SSW of Pāhala, Hawaii. It arrived roughly 8 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 19:34:37 UTC | 2.5ml | 64 km SE of King Cove, Alaska 54.712°, -161.513° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 64 km SE of King Cove, Alaska at 19:34 UTC on September 6, 2023. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 18:55:25 UTC | 4.4mb | Maug Islands region, Northern Mariana Islands 19.046°, 145.998° | 121.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023 at 18:55 UTC, a magnitude 4.4 earthquake struck in the Maug Islands region, Northern Mariana Islands. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 18:31:11 UTC | 3.0ml | 97 km SW of Nikolski, Alaska 52.371°, -169.964° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 97 km SW of Nikolski, Alaska on September 6, 2023 at 18:31 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 18:16:04 UTC | 2.0ml | 56 km NW of Toyah, Texas 31.613°, -104.273° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 56 km NW of Toyah, Texas with origin time 18:16 UTC on September 6, 2023. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 17:25:27 UTC | 2.0ml | 12 km NE of Pāhala, Hawaii 19.278°, -155.387° | 29.5 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 12 km NE of Pāhala, Hawaii on September 6, 2023 at 17:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 17:23:16 UTC | 2.2ml | 132 km ESE of Nikolski, Alaska 52.652°, -166.957° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 132 km ESE of Nikolski, Alaska at 17:23 UTC on September 6, 2023. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 17:03:45 UTC | 4.8mb | 121 km ESE of Fangale’ounga, Tonga -19.974°, -173.190° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 121 km ESE of Fangale’ounga, Tonga came in on September 6, 2023 at 17:03 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 16:58:23 UTC | 2.2ml | 46 km W of Mentone, Texas 31.731°, -104.089° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 46 km W of Mentone, Texas on September 6, 2023, with origin time 16:58 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 16:22:27 UTC | 2.0ml | 1 km N of Elmore City, Oklahoma 34.641°, -97.392° | 0.0 km | 1 | - | - | ✓ Reviewed | USGS → |
September 6, 2023 brought a magnitude 2.0 earthquake 1 km N of Elmore City, Oklahoma, logged at 16:22 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. | ||||||||
2023-09-06 2023-09-06 16:19:31 UTC | 2.3md | 2 km SW of Tallaboa, Puerto Rico 17.977°, -66.730° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023, worldwide seismic activity registered a magnitude 2.3 earthquake 2 km SW of Tallaboa, Puerto Rico at 16:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 16:14:18 UTC | 2.7ml | Rat Islands, Aleutian Islands, Alaska 51.821°, 178.261° | 120.6 km | - | - | - | ✓ Reviewed | USGS → |
September 6, 2023 brought a magnitude 2.7 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 16:14 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 16:05:02 UTC | 3.5ml | 38 km SE of Atka, Alaska 51.977°, -173.759° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 38 km SE of Atka, Alaska at 16:05 UTC on September 6, 2023. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 15:52:16 UTC | 4.9mb | 34 km E of Hoemul-li, North Korea 41.490°, 130.078° | 644.9 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded 34 km E of Hoemul-li, North Korea on September 6, 2023 at 15:52 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 15:49:18 UTC | 3.4ml | 5 km NNW of Whitestone, Alaska 64.198°, -145.946° | 7.9 km | 15 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 5 km NNW of Whitestone, Alaska on September 6, 2023, with origin time 15:49 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 15:15:39 UTC | 2.1md | 21 km ESE of Yosemite Valley, CA 37.638°, -119.373° | 20.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 21 km ESE of Yosemite Valley, CA at 15:15 UTC on September 6, 2023. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-09-06 2023-09-06 15:12:06 UTC | 4.3mb | 92 km SSW of Palimbang, Philippines 5.465°, 123.808° | 545.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 6, 2023, worldwide seismic activity registered a magnitude 4.3 earthquake 92 km SSW of Palimbang, Philippines at 15:12 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 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 6, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.