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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 activity
compared 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

Earthquake Map — October 3, 2026

Map showing earthquake epicenter at 20.00°, 0.00°

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 ↕MMIAlertStatusDetails
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-IVgreen✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km5Vgreen✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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.