Earthquakes on August 3, 2026
238
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
27
M3.0–3.9
21
M2.0–2.9
56
M1.0–1.9
131
Activity Summary
238
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 428
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 107 (filtered from 238)
(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 → |
August 3, 2026 brought a magnitude 3.0 earthquake 210 km S of False Pass, Alaska, logged 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 → |
At 23:51 UTC on August 3, 2026, a magnitude 3.2 tremor occurred 229 km ESE of Attu Station, Alaska. Coming 1 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
This magnitude 2.5 event was detected 95 km SSW of Unalaska, Alaska on August 3, 2026, with origin time 23:06 UTC. 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 → |
The USGS recorded this magnitude 4.2 earthquake 229 km ESE of Attu Station, Alaska at 22:53 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 22:52:44 UTC | 2.4ml | 124 km SW of Adak, Alaska 51.153°, -178.007° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 124 km SW of Adak, Alaska at 22:52 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 22:42:55 UTC | 3.5ml | 231 km ESE of Attu Station, Alaska 51.963°, 176.272° | 3.0 km | - | I | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 231 km ESE of Attu Station, Alaska came in on August 3, 2026 at 22:42 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 8 hours earlier. 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 → |
At 22:26 UTC on August 3, 2026, a magnitude 2.8 tremor occurred 18 km ESE of Port Graham, Alaska. 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 → |
The USGS recorded this magnitude 2.3 earthquake 3 km S of Guánica, Puerto Rico at 22:18 UTC on August 3, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 12 hours earlier. 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 → |
This magnitude 4.2 event was detected 41 km SSE of Ḩājjīābād, Iran on August 3, 2026, with origin time 22:15 UTC. 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 → |
Reports of a magnitude 2.0 earthquake 60 km SSW of Adak, Alaska came in on August 3, 2026 at 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 → |
Reports of a magnitude 2.5 earthquake 226 km W of Adak, Alaska came in on August 3, 2026 at 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 → |
A magnitude 3.4 seismic event took place 118 km SSE of Sand Point, Alaska 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 → |
On August 3, 2026 at 20:19 UTC, a magnitude 3.0 earthquake struck 233 km ESE of Attu Station, Alaska. Coming 5 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
This magnitude 2.1 event was detected 15 km N of Morgan Hill, CA on August 3, 2026, with origin time 19:43 UTC. 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 → |
A magnitude 2.5 seismic event took place 22 km SSE of Lindsay, Texas 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 → |
The USGS recorded this magnitude 3.6 earthquake 226 km ESE of Attu Station, Alaska at 19:09 UTC on August 3, 2026. Coming 4 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 → |
This magnitude 2.2 event was detected 18 km W of Happy Valley, Alaska on August 3, 2026, with origin time 18:48 UTC. 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 → |
Seismographs logged a magnitude 2.3 earthquake 62 km SSE of Adak, Alaska with origin time 18:28 UTC on August 3, 2026. 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 → |
A magnitude 3.3 earthquake was recorded 68 km SSW of Nikolski, Alaska on August 3, 2026 at 18:17 UTC. 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 → |
This magnitude 2.4 event was detected 105 km E of Akutan, Alaska on August 3, 2026, with origin time 18:09 UTC. 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 → |
On August 3, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 11 km SE of Tres Pinos, CA at 17:58 UTC. 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 → |
A magnitude 2.0 seismic event took place 11 km ENE of Fritz Creek, Alaska 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 → |
The USGS recorded this magnitude 2.7 earthquake 36 km SE of False Pass, Alaska at 17:43 UTC on August 3, 2026. 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 → |
Reports of a magnitude 4.2 earthquake 14 km NW of Kirakira, Solomon Islands came in on August 3, 2026 at 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 → |
On August 3, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 24 km SSW of Westbrook, Texas at 17:31 UTC. 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 → |
August 3, 2026 brought a magnitude 2.5 earthquake 13 km ESE of Pearsall, Texas, logged 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.