Earthquakes on October 2, 2023
299
EARTHQUAKES on October 2, 2023
24-hour UTC period · USGS data
13 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
59
M3.0–3.9
7
M2.0–2.9
61
M1.0–1.9
167
Activity Summary
299
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
52 km SSE of Karakenja, Tajikistan
14:03 UTC · 13.5 km deep
5.3
189 km WSW of Nabire, Indonesia
08:58 UTC · 10.0 km deep
5.2
South Sandwich Islands region
02:06 UTC · 10.0 km deep
5.0
Izu Islands, Japan region
14:17 UTC · 10.0 km deep
5.0
Bonin Islands, Japan region
02:33 UTC · 10.0 km deep
4.9
6 km NE of Tigbaw, Philippines
21:30 UTC · 10.0 km deep
4.9
28 km S of Goālpāra, India
12:45 UTC · 10.0 km deep
Felt by 69
4.7
Izu Islands, Japan region
08:46 UTC · 10.0 km deep
Earthquake Map — October 2, 2023
All Earthquakes — October 2, 2023
Showing 30 of 132 (filtered from 299)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-10-02 2023-10-02 23:52:10 UTC | 4.2mb | 187 km WSW of Nabire, Indonesia -4.127°, 133.997° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 187 km WSW of Nabire, Indonesia came in on October 2, 2023 at 23:52 UTC. It arrived roughly 15 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 23:39:47 UTC | 4.3mb | south of the Kermadec Islands -32.571°, 179.831° | 216.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:39 UTC on October 2, 2023, a magnitude 4.3 tremor occurred south of the Kermadec Islands. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 23:36:28 UTC | 2.7md | 8 km WSW of Guánica, Puerto Rico 17.939°, -66.977° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 8 km WSW of Guánica, Puerto Rico on October 2, 2023 at 23:36 UTC. It arrived roughly 23 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 23:34:38 UTC | 4.6mb | 124 km SSE of Kuril’sk, Russia 44.194°, 148.495° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 124 km SSE of Kuril’sk, Russia on October 2, 2023 at 23:34 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 23:27:48 UTC | 2.7md | 7 km ESE of La Parguera, Puerto Rico 17.945°, -66.980° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2023 brought a magnitude 2.7 earthquake 7 km ESE of La Parguera, Puerto Rico, logged at 23:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 23 hours earlier. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 23:11:02 UTC | 2.1md | 2 km ENE of Magas Arriba, Puerto Rico 18.030°, -66.746° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 2 km ENE of Magas Arriba, Puerto Rico came in on October 2, 2023 at 23:11 UTC. It arrived roughly 1 hours after a larger magnitude 3.0 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. | ||||||||
2023-10-02 2023-10-02 22:57:13 UTC | 2.4ml | 76 km ESE of Sand Point, Alaska 55.118°, -159.364° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 76 km ESE of Sand Point, Alaska at 22:57 UTC on October 2, 2023. 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. | ||||||||
2023-10-02 2023-10-02 22:51:45 UTC | 3.0md | 7 km SE of Maria Antonia, Puerto Rico 17.925°, -66.841° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 7 km SE of Maria Antonia, Puerto Rico on October 2, 2023 at 22:51 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 22:42:36 UTC | 4.5mb | Izu Islands, Japan region 29.665°, 140.020° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2023 at 22:42 UTC, a magnitude 4.5 earthquake struck in the Izu Islands, Japan region. Coming 8 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 22:30:18 UTC | 2.0md | 9 km NE of Alum Rock, CA 37.432°, -121.767° | 10.9 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 9 km NE of Alum Rock, CA on October 2, 2023, with origin time 22:30 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 22:12:04 UTC | 4.3mb | 5 km W of Dapdap, Philippines 12.207°, 123.718° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 5 km W of Dapdap, Philippines at 22:12 UTC on October 2, 2023. It arrived roughly 1 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 22:00:19 UTC | 2.4md | 0 km NE of Valley Ranch, CA 39.740°, -120.564° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2023, worldwide seismic activity registered a magnitude 2.4 earthquake 0 km NE of Valley Ranch, CA at 22:00 UTC. 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. | ||||||||
2023-10-02 2023-10-02 22:00:11 UTC | 2.2md | 0 km NNE of Valley Ranch, CA 39.741°, -120.567° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
At 22:00 UTC on October 2, 2023, a magnitude 2.2 tremor occurred 0 km NNE of Valley Ranch, CA. It arrived roughly 3 hours after a larger magnitude 2.3 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. | ||||||||
2023-10-02 2023-10-02 21:30:08 UTC | 4.9mb | 6 km NE of Tigbaw, Philippines 12.191°, 123.628° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 6 km NE of Tigbaw, Philippines at 21:30 UTC on October 2, 2023. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 21:04:48 UTC | 4.5mb | 92 km NW of Quirihue, Chile -35.780°, -73.369° | 18.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 92 km NW of Quirihue, Chile on October 2, 2023 at 21:04 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:59:08 UTC | 4.5mb | 172 km SE of Pondaguitan, Philippines 5.096°, 127.089° | 66.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 172 km SE of Pondaguitan, Philippines with origin time 20:59 UTC on October 2, 2023. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:58:13 UTC | 4.2mb | Mariana Islands region 21.639°, 143.442° | 270.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place in the Mariana Islands region on October 2, 2023 at 20:58 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:56:06 UTC | 4.5mb | Izu Islands, Japan region 29.678°, 139.960° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2023, worldwide seismic activity registered a magnitude 4.5 earthquake in the Izu Islands, Japan region at 20:56 UTC. Coming 7 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:45:51 UTC | 2.5ml | 26 km SSW of Atka, Alaska 51.981°, -174.352° | 74.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 26 km SSW of Atka, Alaska on October 2, 2023, with origin time 20:45 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:41:25 UTC | 2.2md | Puerto Rico region 18.004°, -66.737° | 13.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake in the Puerto Rico region at 20:41 UTC on October 2, 2023. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 18 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:41:12 UTC | 2.8md | 95 km W of Trinidad, CA 41.173°, -125.269° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 95 km W of Trinidad, CA at 20:41 UTC on October 2, 2023. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:38:02 UTC | 2.9md | Puerto Rico region 17.892°, -66.843° | 8.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:38 UTC on October 2, 2023, a magnitude 2.9 tremor occurred in the Puerto Rico region. Coming 18 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:31:07 UTC | 2.2ml(texnet) | 40 km W of Mentone, Texas 31.650°, -104.022° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2023 brought a magnitude 2.2 earthquake 40 km W of Mentone, Texas, logged at 20:31 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:29:14 UTC | 2.2ml | 8 km E of Lima, Montana 44.629°, -112.487° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 8 km E of Lima, Montana on October 2, 2023 at 20:29 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 20:08:25 UTC | 3.4mb | 7 km SE of Procida, Italy 40.718°, 14.083° | 9.6 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 7 km SE of Procida, Italy came in on October 2, 2023 at 20:08 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 19:58:47 UTC | 4.1mb | 66 km NW of Pante Makasar, Timor Leste -8.866°, 123.884° | 76.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 66 km NW of Pante Makasar, Timor Leste with origin time 19:58 UTC on October 2, 2023. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 19:55:29 UTC | 3.5ml | 19 km SE of Heretaunga, New Zealand -41.275°, 175.189° | 19.5 km | 9 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 19 km SE of Heretaunga, New Zealand on October 2, 2023, with origin time 19:55 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 19:50:48 UTC | 3.8mb | Pagan region, Northern Mariana Islands 18.642°, 145.612° | 204.6 km | - | - | - | ✓ Reviewed | USGS → |
At 19:50 UTC on October 2, 2023, a magnitude 3.8 tremor occurred in the Pagan region, Northern Mariana Islands. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 19:49:54 UTC | 2.8ml | Rat Islands, Aleutian Islands, Alaska 50.708°, 177.086° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected near Rat Islands, Aleutian Islands, Alaska on October 2, 2023, with origin time 19:49 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-10-02 2023-10-02 19:35:11 UTC | 4.2mb | Izu Islands, Japan region 29.694°, 140.060° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2023 brought a magnitude 4.2 earthquake in the Izu Islands, Japan region, logged at 19:35 UTC. Coming 5 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 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 2, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.