Earthquakes on August 3, 2026
237
EARTHQUAKES on August 3, 2026
24-hour UTC period · USGS data
LARGEST: M5.2 — Fiji region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
26
M3.0–3.9
21
M2.0–2.9
56
M1.0–1.9
131
Activity Summary
237
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
Fiji region
10:45 UTC · 10.0 km deep
5.2
71 km ESE of Uchiza, Peru
01:42 UTC · 124.0 km deep
Felt by 6
5.0
41 km NNE of Suez, Egypt
00:00 UTC · 10.0 km deep
Felt by 427
4.9
203 km SE of Severo-Kuril’sk, Russia
21:42 UTC · 10.0 km deep
4.9
80 km S of Severo-Kuril’sk, Russia
11:26 UTC · 70.2 km deep
4.9
15 km SSE of Yibin, China
05:00 UTC · 10.0 km deep
4.8
106 km NW of Gizo, Solomon Islands
13:14 UTC · 60.3 km deep
4.7
61 km SW of Midelt, Morocco
20:14 UTC · 10.0 km deep
Felt by 2
Earthquake Map — August 3, 2026
All Earthquakes — August 3, 2026
Showing 30 of 106 (filtered from 237)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-03 2026-08-03 23:55:45 UTC | 3.0ml | 210 km S of False Pass, Alaska 52.972°, -163.120° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 210 km S of False Pass, Alaska on August 3, 2026 at 23:55 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 23:51:25 UTC | 3.2ml | 229 km ESE of Attu Station, Alaska 52.117°, 176.352° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2026, worldwide seismic activity registered a magnitude 3.2 earthquake 229 km ESE of Attu Station, Alaska at 23:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 1 hours earlier. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 23:06:08 UTC | 2.5ml | 95 km SSW of Unalaska, Alaska 53.047°, -166.933° | 38.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 95 km SSW of Unalaska, Alaska at 23:06 UTC on August 3, 2026. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:53:22 UTC | 4.2mb | 229 km ESE of Attu Station, Alaska 52.089°, 176.328° | 29.1 km | - | II | - | ✓ Reviewed | USGS → |
At 22:53 UTC on August 3, 2026, a magnitude 4.2 tremor occurred 229 km ESE of Attu Station, Alaska. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:52:44 UTC | 2.4ml | 124 km SW of Adak, Alaska 51.153°, -178.007° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:52 UTC on August 3, 2026, a magnitude 2.4 tremor occurred 124 km SW of Adak, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:42:55 UTC | 3.5ml | 231 km ESE of Attu Station, Alaska 51.963°, 176.272° | 3.0 km | - | I | - | ✓ Reviewed | USGS → |
This magnitude 3.5 event was detected 231 km ESE of Attu Station, Alaska on August 3, 2026, with origin time 22:42 UTC. It arrived roughly 8 hours after a larger magnitude 3.8 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 M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:26:35 UTC | 2.8ml | 18 km ESE of Port Graham, Alaska 59.289°, -151.537° | 38.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2026, worldwide seismic activity registered a magnitude 2.8 earthquake 18 km ESE of Port Graham, Alaska at 22:26 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:18:15 UTC | 2.3md | 3 km S of Guánica, Puerto Rico 17.944°, -66.913° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:18 UTC on August 3, 2026, a magnitude 2.3 tremor occurred 3 km S of Guánica, Puerto Rico. It arrived roughly 12 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:15:24 UTC | 4.2mb | 41 km SSE of Ḩājjīābād, Iran 27.977°, 56.089° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 41 km SSE of Ḩājjīābād, Iran at 22:15 UTC on August 3, 2026. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 22:14:34 UTC | 2.0ml | 60 km SSW of Adak, Alaska 51.407°, -177.072° | 37.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 60 km SSW of Adak, Alaska on August 3, 2026, with origin time 22:14 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 21:47:43 UTC | 2.5ml | 226 km W of Adak, Alaska 51.533°, -179.870° | 77.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 226 km W of Adak, Alaska on August 3, 2026, with origin time 21:47 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 21:42:13 UTC | 4.9mb | 203 km SE of Severo-Kuril’sk, Russia 49.275°, 157.963° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 203 km SE of Severo-Kuril’sk, Russia at 21:42 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 21:33:24 UTC | 4.4mb | 166 km E of Ozernovskiy, Russia 51.393°, 158.885° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 166 km E of Ozernovskiy, Russia with origin time 21:33 UTC on August 3, 2026. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 20:47:08 UTC | 4.4mb | 42 km ESE of Vallenar, Chile -28.739°, -70.367° | 93.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake 42 km ESE of Vallenar, Chile at 20:47 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 20:32:46 UTC | 3.4ml | 118 km SSE of Sand Point, Alaska 54.389°, -159.642° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 118 km SSE of Sand Point, Alaska came in on August 3, 2026 at 20:32 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 20:19:51 UTC | 3.0ml | 233 km ESE of Attu Station, Alaska 51.999°, 176.329° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 3, 2026 brought a magnitude 3.0 earthquake 233 km ESE of Attu Station, Alaska, logged at 20:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 5 hours earlier. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 20:14:45 UTC | 4.7mww | 61 km SW of Midelt, Morocco 32.235°, -5.136° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.7 earthquake 61 km SW of Midelt, Morocco came in on August 3, 2026 at 20:14 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 19:43:05 UTC | 2.1md | 15 km N of Morgan Hill, CA 37.264°, -121.646° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 15 km N of Morgan Hill, CA at 19:43 UTC on August 3, 2026. 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. | ||||||||
2026-08-03 2026-08-03 19:15:16 UTC | 2.5ml | 22 km SSE of Lindsay, Texas 31.170°, -103.482° | 3.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 22 km SSE of Lindsay, Texas came in on August 3, 2026 at 19:15 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 19:09:29 UTC | 3.6ml | 226 km ESE of Attu Station, Alaska 52.002°, 176.222° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
At 19:09 UTC on August 3, 2026, a magnitude 3.6 tremor occurred 226 km ESE of Attu Station, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 4 hours earlier. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 18:48:39 UTC | 2.2ml | 18 km W of Happy Valley, Alaska 59.932°, -152.055° | 76.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 18 km W of Happy Valley, Alaska at 18:48 UTC on August 3, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 18:28:06 UTC | 2.3ml | 62 km SSE of Adak, Alaska 51.389°, -176.184° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 62 km SSE of Adak, Alaska on August 3, 2026 at 18:28 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 18:17:33 UTC | 3.3ml | 68 km SSW of Nikolski, Alaska 52.404°, -169.366° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 3, 2026 at 18:17 UTC, a magnitude 3.3 earthquake struck 68 km SSW of Nikolski, Alaska. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 18:09:09 UTC | 2.4ml | 105 km E of Akutan, Alaska 54.005°, -164.184° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 105 km E of Akutan, Alaska at 18:09 UTC on August 3, 2026. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:58:29 UTC | 2.3md | 11 km SE of Tres Pinos, CA 36.727°, -121.232° | 13.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 11 km SE of Tres Pinos, CA with origin time 17:58 UTC on August 3, 2026. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:45:37 UTC | 2.0ml | 11 km ENE of Fritz Creek, Alaska 59.766°, -151.103° | 56.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 11 km ENE of Fritz Creek, Alaska came in on August 3, 2026 at 17:45 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:43:01 UTC | 2.7ml | 36 km SE of False Pass, Alaska 54.650°, -162.976° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
At 17:43 UTC on August 3, 2026, a magnitude 2.7 tremor occurred 36 km SE of False Pass, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:37:35 UTC | 4.2mb | 14 km NW of Kirakira, Solomon Islands -10.359°, 161.832° | 65.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 14 km NW of Kirakira, Solomon Islands on August 3, 2026, with origin time 17:37 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:31:30 UTC | 2.1ml | 24 km SSW of Westbrook, Texas 32.141°, -101.081° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 24 km SSW of Westbrook, Texas with origin time 17:31 UTC on August 3, 2026. 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-03 2026-08-03 17:16:24 UTC | 2.5ml | 13 km ESE of Pearsall, Texas 28.845°, -98.971° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 13 km ESE of Pearsall, Texas on August 3, 2026 at 17:16 UTC. See the M2.5 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 August 3, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.