Earthquakes on October 6, 2023
307
EARTHQUAKES on October 6, 2023
24-hour UTC period · USGS data
LARGEST: M6.1 — Izu Islands, Japan region
10 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
51
M3.0–3.9
10
M2.0–2.9
73
M1.0–1.9
166
Activity Summary
307
Total earthquakes
~250
Daily average
Elevated
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
Izu Islands, Japan region
01:31 UTC · 10.0 km deep
Felt by 1
5.5
Izu Islands, Japan region
05:49 UTC · 10.0 km deep
Felt by 1
5.4
south of Panama
03:28 UTC · 10.0 km deep
5.1
Izu Islands, Japan region
04:57 UTC · 10.0 km deep
5.1
Kuril Islands
03:49 UTC · 10.0 km deep
5.0
Izu Islands, Japan region
13:15 UTC · 10.0 km deep
5.0
Kuril Islands
04:35 UTC · 10.0 km deep
4.9
Izu Islands, Japan region
19:51 UTC · 10.0 km deep
Earthquake Map — October 6, 2023
All Earthquakes — October 6, 2023
Showing 30 of 141 (filtered from 307)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-10-06 2023-10-06 23:37:56 UTC | 2.2ml(texnet) | 66 km NNE of Van Horn, Texas 31.595°, -104.570° | 5.8 km | - | - | - | ✓ Reviewed | USGS → |
October 6, 2023 brought a magnitude 2.2 earthquake 66 km NNE of Van Horn, Texas, logged at 23:37 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 23:36:29 UTC | 4.2mb | Izu Islands, Japan region 31.123°, 142.908° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded in the Izu Islands, Japan region on October 6, 2023 at 23:36 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 23:21:16 UTC | 2.3ml | 12 km ESE of Forks, Washington 47.907°, -124.232° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
October 6, 2023 brought a magnitude 2.3 earthquake 12 km ESE of Forks, Washington, logged at 23:21 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. | ||||||||
2023-10-06 2023-10-06 22:52:14 UTC | 2.9ml | 62 km WNW of Atka, Alaska 52.367°, -175.066° | 201.3 km | - | - | - | ✓ Reviewed | USGS → |
October 6, 2023 brought a magnitude 2.9 earthquake 62 km WNW of Atka, Alaska, logged at 22:52 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 22:51:47 UTC | 2.3ml | 49 km S of Skwentna, Alaska 61.547°, -151.479° | 72.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 49 km S of Skwentna, Alaska on October 6, 2023 at 22:51 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 22:46:04 UTC | 4.4mb | Kuril Islands 46.948°, 153.855° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake near Kuril Islands at 22:46 UTC on October 6, 2023. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 22:41:41 UTC | 2.6ml | 53 km E of Juneau, Alaska 58.349°, -133.514° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 53 km E of Juneau, Alaska on October 6, 2023 at 22:41 UTC. It arrived roughly 6 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 22:34:38 UTC | 4.4mb | 37 km NW of Nasinu, Fiji -17.835°, 178.264° | 552.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 37 km NW of Nasinu, Fiji on October 6, 2023, with origin time 22:34 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. | ||||||||
2023-10-06 2023-10-06 22:18:18 UTC | 2.2ml | 2 km SE of Falls City, Texas 28.964°, -97.997° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 6, 2023 at 22:18 UTC, a magnitude 2.2 earthquake struck 2 km SE of Falls City, Texas. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 22:13:23 UTC | 2.4ml | 18 km W of Pawnee, Texas 28.681°, -98.189° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 6, 2023 at 22:13 UTC, a magnitude 2.4 earthquake struck 18 km W of Pawnee, Texas. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 21:46:33 UTC | 4.2mb | 284 km ENE of Lospalos, Timor Leste -7.409°, 129.329° | 101.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 284 km ENE of Lospalos, Timor Leste with origin time 21:46 UTC on October 6, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 21:14:46 UTC | 4.3mb | 66 km SE of Kokopo, Papua New Guinea -4.796°, 152.658° | 56.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 66 km SE of Kokopo, Papua New Guinea at 21:14 UTC on October 6, 2023. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 20:57:43 UTC | 2.3ml | Island of Hawaii, Hawaii 19.375°, -155.280° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake near Island of Hawaii, Hawaii came in on October 6, 2023 at 20:57 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 2 hours earlier. 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. | ||||||||
2023-10-06 2023-10-06 20:35:23 UTC | 2.1ml | 9 km ENE of Pāhala, Hawaii 19.252°, -155.400° | 29.9 km | - | - | - | Auto | USGS → |
On October 6, 2023, worldwide seismic activity registered a magnitude 2.1 earthquake 9 km ENE of Pāhala, Hawaii at 20:35 UTC. It arrived roughly 2 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. | ||||||||
2023-10-06 2023-10-06 20:34:21 UTC | 3.0ml | 202 km SSE of Adak, Alaska 50.333°, -175.101° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 202 km SSE of Adak, Alaska on October 6, 2023, with origin time 20:34 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 20:16:54 UTC | 2.0ml | 10 km SSW of Volcano, Hawaii 19.365°, -155.286° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 6, 2023 at 20:16 UTC, a magnitude 2.0 earthquake struck 10 km SSW of Volcano, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 1 hours earlier. 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. | ||||||||
2023-10-06 2023-10-06 20:15:48 UTC | 4.4mb | Greenland Sea 75.029°, 7.638° | 13.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Greenland Sea came in on October 6, 2023 at 20:15 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:53:22 UTC | 4.8mb | Izu Islands, Japan region 30.271°, 139.688° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake in the Izu Islands, Japan region at 19:53 UTC on October 6, 2023. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:51:53 UTC | 4.9mb | Izu Islands, Japan region 29.960°, 139.917° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake in the Izu Islands, Japan region came in on October 6, 2023 at 19:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.5 earthquake that occurred about 14 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:45:15 UTC | 4.7mb | 299 km SSE of Kushimoto, Japan 31.210°, 137.526° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 299 km SSE of Kushimoto, Japan came in on October 6, 2023 at 19:45 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:40:12 UTC | 2.0ml | 53 km WSW of Akhiok, Alaska 56.747°, -154.974° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 53 km WSW of Akhiok, Alaska at 19:40 UTC on October 6, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:29:01 UTC | 2.3ml | 51 km E of Juneau, Alaska 58.387°, -133.560° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 51 km E of Juneau, Alaska with origin time 19:29 UTC on October 6, 2023. It arrived roughly 3 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:24:51 UTC | 4.4mb | 95 km NE of Yonakuni, Japan 25.133°, 123.606° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 95 km NE of Yonakuni, Japan on October 6, 2023 at 19:24 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:22:11 UTC | 4.5mb | Kuril Islands 47.781°, 153.471° | 38.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 6, 2023 at 19:22 UTC, a magnitude 4.5 earthquake struck near Kuril Islands. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:21:20 UTC | 4.9mb | Kuril Islands 47.165°, 154.208° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place near Kuril Islands on October 6, 2023 at 19:21 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:07:37 UTC | 2.1ml | 8 km SW of Volcano, Hawaii 19.384°, -155.281° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 6, 2023 at 19:07 UTC, a magnitude 2.1 earthquake struck 8 km SW of Volcano, Hawaii. It arrived roughly 1 hours after a larger magnitude 2.8 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:03:21 UTC | 2.8ml | 8 km SW of Volcano, Hawaii 19.381°, -155.281° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 8 km SW of Volcano, Hawaii with origin time 19:03 UTC on October 6, 2023. In the 72 hours after this event, the USGS recorded 8 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:02:21 UTC | 4.6mb | Kuril Islands 47.215°, 154.021° | 31.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake near Kuril Islands with origin time 19:02 UTC on October 6, 2023. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 15 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-06 2023-10-06 19:00:39 UTC | 2.2ml | 8 km SW of Volcano, Hawaii 19.380°, -155.283° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
At 19:00 UTC on October 6, 2023, a magnitude 2.2 tremor occurred 8 km SW of Volcano, Hawaii. It arrived roughly 4 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. | ||||||||
2023-10-06 2023-10-06 18:54:59 UTC | 4.4mb | Kuril Islands 47.225°, 153.800° | 31.6 km | - | - | - | ✓ Reviewed | USGS → |
October 6, 2023 brought a magnitude 4.4 earthquake near Kuril Islands, logged at 18:54 UTC. It arrived roughly 15 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 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 October 6, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.