Earthquakes on October 3, 2026
137
EARTHQUAKES on October 3, 2026
24-hour UTC period · USGS data
46 km deep · 5 people felt it
Below averagecompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
18
M3.0–3.9
9
M2.0–2.9
29
M1.0–1.9
77
Activity Summary
137
Total earthquakes
~250
Daily average
Low
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
5.6
80 km S of Banda Aceh, Indonesia
23:37 UTC · 69.7 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 60 (filtered from 137)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
1 day ago 2026-10-03 23:37:35 UTC | 5.6mb | 80 km S of Banda Aceh, Indonesia 4.822°, 95.243° | 69.7 km | - | IV | green | ✓ Reviewed | USGS → |
A magnitude 5.6 earthquake was recorded 80 km S 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. The event was offshore. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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. | ||||||||
1 day 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. | ||||||||
1 day 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 → |
October 3, 2026 brought a magnitude 3.1 earthquake 188 km SE of Perryville, Alaska, logged at 22:48 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 22:27:23 UTC | 4.3mb | Izu Islands, Japan region 29.053°, 142.812° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake in the Izu Islands, Japan region came in on October 3, 2026 at 22:27 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
At 21:25 UTC on October 3, 2026, a magnitude 3.5 tremor occurred 66 km SE of Atka, Alaska. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
The USGS recorded this magnitude 2.7 earthquake 53 km E of Huslia, Alaska at 21:14 UTC on October 3, 2026. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
Reports of a magnitude 2.5 earthquake 42 km SSE of Chignik, Alaska came in on October 3, 2026 at 21:06 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
October 3, 2026 brought a magnitude 2.4 earthquake 9 km E of Alum Rock, CA, logged at 20:45 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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. | ||||||||
1 day 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. | ||||||||
1 day 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. | ||||||||
1 day 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 at 18:23 UTC, a magnitude 2.1 earthquake struck 36 km NNW of Valdez, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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. | ||||||||
1 day 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 → |
At 17:31 UTC on October 3, 2026, a magnitude 2.2 tremor occurred 54 km E of Denali Park, Alaska. 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. | ||||||||
1 day 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. | ||||||||
1 day 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 → |
At 17:20 UTC on October 3, 2026, a magnitude 2.8 tremor occurred 36 km NNW of Karluk, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
On October 3, 2026 at 16:06 UTC, a magnitude 4.1 earthquake struck 93 km SW of Atka, Alaska. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
Reports of a magnitude 3.3 earthquake 66 km E of Cruz Bay, U.S. Virgin Islands came in on October 3, 2026 at 16:03 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
On October 3, 2026 at 15:50 UTC, a magnitude 2.3 earthquake struck 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. | ||||||||
1 day 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 → |
Seismographs logged a magnitude 2.3 earthquake 5 km WSW of Volcano, Hawaii with origin time 15:48 UTC on October 3, 2026. 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. | ||||||||
1 day 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 → |
This magnitude 2.0 event was detected 6 km SE of Maria Antonia, Puerto Rico on October 3, 2026, with origin time 15:45 UTC. Coming 15 hours after a magnitude 2.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day 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 → |
On October 3, 2026, worldwide seismic activity registered a magnitude 3.7 earthquake 40 km ENE of Samaná, Dominican Republic at 15:03 UTC. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 14:57:32 UTC | 2.3md | 5 km E of Steele, Missouri 36.092°, -89.770° | 12.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 5 km E of Steele, Missouri on October 3, 2026 at 14:57 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 14:53:45 UTC | 2.0ml | 45 km N of Valdez, Alaska 61.537°, -146.411° | 12.8 km | - | - | - | Auto | USGS → |
October 3, 2026 brought a magnitude 2.0 earthquake 45 km N of Valdez, Alaska, logged at 14:53 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 14:49:40 UTC | 4.4mb | Banda Sea -6.463°, 130.170° | 140.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 3, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake near Banda Sea at 14:49 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 13:58:29 UTC | 2.6ml | 58 km NNW of Rachel, Nevada 38.109°, -116.058° | 0.1 km | - | - | - | Auto | USGS → |
This magnitude 2.6 event was detected 58 km NNW of Rachel, Nevada on October 3, 2026, with origin time 13:58 UTC. 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. | ||||||||
1 day ago 2026-10-03 13:58:12 UTC | 3.3ml | 21 km WNW of Preston, Nevada 38.964°, -115.305° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 21 km WNW of Preston, Nevada on October 3, 2026, with origin time 13:58 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 13:51:11 UTC | 4.5mb | Kermadec Islands region -27.495°, -179.483° | 453.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 3, 2026 at 13:51 UTC, a magnitude 4.5 earthquake struck in the Kermadec Islands region. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-10-03 13:33:34 UTC | 2.9md | 19 km NW of Rincón, Puerto Rico 18.455°, -67.386° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 3, 2026, worldwide seismic activity registered a magnitude 2.9 earthquake 19 km NW of Rincón, Puerto Rico at 13:33 UTC. It arrived roughly 3 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.9 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.