Earthquakes on October 3, 2026
171
EARTHQUAKES on October 3, 2026
24-hour UTC period · USGS data
46 km deep · 5 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
20
M3.0–3.9
9
M2.0–2.9
31
M1.0–1.9
107
Activity Summary
171
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
39 km WSW of Tambolaka, Indonesia
22:55 UTC · 46.0 km deep
Felt by 5
5.3
81 km SSW of Banda Aceh, Indonesia
23:37 UTC · 56.3 km deep
5.1
182 km SSE of Vilyuchinsk, Russia
20:00 UTC · 10.0 km deep
5.0
163 km SE of Petropavlovsk-Kamchatsky, Russia
02:59 UTC · 10.0 km deep
4.9
72 km NE of Sittwe, Burma (Myanmar)
18:12 UTC · 35.0 km deep
4.8
112 km S of Koshima, Japan
06:05 UTC · 37.5 km deep
4.8
121 km SSE of Vilyuchinsk, Russia
00:01 UTC · 38.7 km deep
4.6
76 km NNE of Lae, Papua New Guinea
17:24 UTC · 81.9 km deep
Earthquake Map — October 3, 2026

All Earthquakes — October 3, 2026
Showing 30 of 64 (filtered from 171)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2 days ago 2026-10-03 23:37:34 UTC | 5.3mww | 81 km SSW of Banda Aceh, Indonesia 4.825°, 95.162° | 56.3 km | - | IV | green | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 81 km SSW of Banda Aceh, Indonesia on October 3, 2026 at 23:37 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 23:14:47 UTC | 4.3mb | 90 km ESE of Ozernovskiy, Russia 51.329°, 157.767° | 78.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 90 km ESE of Ozernovskiy, Russia came in on October 3, 2026 at 23:14 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 23:14:35 UTC | 4.5mb | 293 km SSE of Tabiauan, Philippines 3.590°, 122.930° | 575.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 293 km SSE of Tabiauan, Philippines on October 3, 2026 at 23:14 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 22:55:55 UTC | 5.9mww | 39 km WSW of Tambolaka, Indonesia -9.567°, 118.908° | 46.0 km | 5 | V | green | ✓ Reviewed | USGS → |
On October 3, 2026 at 22:55 UTC, a magnitude 5.9 earthquake struck 39 km WSW of Tambolaka, Indonesia. 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 October 3, 2026. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 22:48:05 UTC | 3.1ml | 188 km SE of Perryville, Alaska 54.710°, -157.050° | 5.0 km | - | - | - | Auto | USGS → |
A magnitude 3.1 earthquake was recorded 188 km SE of Perryville, Alaska on October 3, 2026 at 22:48 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 22:27:23 UTC | 4.3mb | Izu Islands, Japan region 29.053°, 142.812° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place in the Izu Islands, Japan region on October 3, 2026 at 22:27 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 21:25:25 UTC | 3.5ml | 66 km SE of Atka, Alaska 51.722°, -173.613° | 35.0 km | - | II | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 66 km SE of Atka, Alaska on October 3, 2026, with origin time 21:25 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 21:15:57 UTC | 4.1mb | 153 km WSW of Lebu, Chile -38.301°, -75.171° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 153 km WSW of Lebu, Chile on October 3, 2026 at 21:15 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 21:14:38 UTC | 2.7ml | 53 km E of Huslia, Alaska 65.778°, -155.258° | 5.2 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.7 earthquake 53 km E of Huslia, Alaska came in on October 3, 2026 at 21:14 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 21:06:45 UTC | 2.5ml | 42 km SSE of Chignik, Alaska 55.976°, -158.022° | 49.8 km | - | - | - | Auto | USGS → |
October 3, 2026 brought a magnitude 2.5 earthquake 42 km SSE of Chignik, Alaska, logged at 21:06 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 20:46:39 UTC | 2.5ml | 58 km S of Whites City, New Mexico 31.655°, -104.283° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
On October 3, 2026 at 20:46 UTC, a magnitude 2.5 earthquake struck 58 km S of Whites City, New Mexico. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 20:45:59 UTC | 2.4md | 9 km E of Alum Rock, CA 37.359°, -121.720° | 5.6 km | - | - | - | Auto | USGS → |
On October 3, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 9 km E of Alum Rock, CA at 20:45 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 20:36:33 UTC | 2.0ml | 57 km S of Whites City, New Mexico 31.661°, -104.466° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 57 km S of Whites City, New Mexico on October 3, 2026 at 20:36 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 20:33:45 UTC | 4.5mb | 121 km SW of Puerto Madero, Mexico 14.105°, -93.352° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 3, 2026 brought a magnitude 4.5 earthquake 121 km SW of Puerto Madero, Mexico, logged at 20:33 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 20:00:44 UTC | 5.1mb | 182 km SSE of Vilyuchinsk, Russia 51.546°, 159.830° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.1 earthquake 182 km SSE of Vilyuchinsk, Russia with origin time 20:00 UTC on October 3, 2026. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 19:30:56 UTC | 4.4mb | 201 km SSE of Vilyuchinsk, Russia 51.404°, 159.989° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 201 km SSE of Vilyuchinsk, Russia with origin time 19:30 UTC on October 3, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 18:39:21 UTC | 2.0ml | 58 km S of Whites City, New Mexico 31.653°, -104.458° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 58 km S of Whites City, New Mexico with origin time 18:39 UTC on October 3, 2026. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 18:23:25 UTC | 2.1ml | 36 km NNW of Valdez, Alaska 61.418°, -146.671° | 19.6 km | - | - | - | Auto | USGS → |
On October 3, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 36 km NNW of Valdez, Alaska at 18:23 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 18:12:46 UTC | 4.9mb | 72 km NE of Sittwe, Burma (Myanmar) 20.606°, 93.399° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:12 UTC on October 3, 2026, a magnitude 4.9 tremor occurred 72 km NE of Sittwe, Burma (Myanmar). The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 17:47:02 UTC | 2.1ml | 11 km SSE of Pāhala, Hawaii 19.106°, -155.442° | 27.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 11 km SSE of Pāhala, Hawaii on October 3, 2026 at 17:47 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 17:31:09 UTC | 2.2ml | 54 km E of Denali Park, Alaska 63.724°, -147.805° | 1.1 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 54 km E of Denali Park, Alaska came in on October 3, 2026 at 17:31 UTC. 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. | ||||||||
2 days ago 2026-10-03 17:24:12 UTC | 4.6mb | 76 km NNE of Lae, Papua New Guinea -6.050°, 147.168° | 81.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake 76 km NNE of Lae, Papua New Guinea came in on October 3, 2026 at 17:24 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-10-03 17:20:28 UTC | 2.8ml | 36 km NNW of Karluk, Alaska 57.876°, -154.672° | 68.4 km | - | - | - | Auto | USGS → |
This magnitude 2.8 event was detected 36 km NNW of Karluk, Alaska on October 3, 2026, with origin time 17:20 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-10-03 16:06:51 UTC | 4.1mb | 93 km SW of Atka, Alaska 51.696°, -175.291° | 50.3 km | - | II | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 93 km SW of Atka, Alaska with origin time 16:06 UTC on October 3, 2026. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-10-03 16:03:54 UTC | 3.3md | 66 km E of Cruz Bay, U.S. Virgin Islands 18.337°, -64.165° | 81.2 km | - | - | - | ✓ Reviewed | USGS → |
October 3, 2026 brought a magnitude 3.3 earthquake 66 km E of Cruz Bay, U.S. Virgin Islands, logged at 16:03 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-10-03 15:50:57 UTC | 2.3ml | 5 km WSW of Volcano, Hawaii 19.416°, -155.280° | 0.1 km | - | - | - | ✓ Reviewed | USGS → |
At 15:50 UTC on October 3, 2026, a magnitude 2.3 tremor occurred 5 km WSW of Volcano, Hawaii. 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. | ||||||||
3 days ago 2026-10-03 15:48:49 UTC | 2.3ml | 5 km WSW of Volcano, Hawaii 19.418°, -155.280° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 5 km WSW of Volcano, Hawaii on October 3, 2026, with origin time 15:48 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. | ||||||||
3 days ago 2026-10-03 15:45:00 UTC | 2.0md | 6 km SE of Maria Antonia, Puerto Rico 17.938°, -66.845° | 15.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 6 km SE of Maria Antonia, Puerto Rico on October 3, 2026 at 15:45 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 15 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-10-03 15:25:41 UTC | 2.7ml | 13 km SSE of Navajo Mountain, Utah 36.905°, -110.743° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 13 km SSE of Navajo Mountain, Utah on October 3, 2026 at 15:25 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-10-03 15:03:20 UTC | 3.7md | 40 km ENE of Samaná, Dominican Republic 19.348°, -68.978° | 41.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 40 km ENE of Samaná, Dominican Republic at 15:03 UTC on October 3, 2026. See the M3.7 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 3, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.