Earthquakes on August 5, 2026
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
south of the Kermadec Islands
07:43 UTC · 190.0 km deep
Felt by 14
32 km SW of Sarangani, Philippines
04:14 UTC · 10.0 km deep
Felt by 66
41 km SW of Sarangani, Philippines
21:41 UTC · 10.0 km deep
Felt by 15
64 km W of Tobelo, Indonesia
16:50 UTC · 123.8 km deep
Felt by 1
29 km S of Ialibu, Papua New Guinea
19:46 UTC · 16.3 km deep
Felt by 2
30 km S of Sarangani, Philippines
04:25 UTC · 35.0 km deep
Felt by 7
37 km SW of Sarangani, Philippines
05:59 UTC · 11.6 km deep
Felt by 1
240 km S of Burica, Panama
04:19 UTC · 10.0 km deep
Felt by 1
Earthquake Map — August 5, 2026

All Earthquakes — August 5, 2026
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-05 2026-08-05 23:46:35 UTC | 3.1md | 72 km NW of San Antonio, Puerto Rico 18.909°, -67.635° | 17.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026, worldwide seismic activity registered a magnitude 3.1 earthquake 72 km NW of San Antonio, Puerto Rico at 23:46 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 23:40:14 UTC | 4.5mb | southeast of the Loyalty Islands -22.969°, 171.375° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026 at 23:40 UTC, a magnitude 4.5 earthquake struck southeast of the Loyalty Islands. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 23:09:52 UTC | 2.2ml | 121 km NNW of Yakutat, Alaska 60.600°, -140.300° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 121 km NNW of Yakutat, Alaska with origin time 23:09 UTC on August 5, 2026. 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. | ||||||||
2026-08-05 2026-08-05 22:59:24 UTC | 4.9mww | 13 km W of Honmachi, Japan 32.482°, 130.463° | 10.0 km | 7 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded 13 km W of Honmachi, Japan on August 5, 2026 at 22:59 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 22:50:24 UTC | 4.4mb | 35 km SE of Sarangani, Philippines 5.150°, 125.659° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake 35 km SE of Sarangani, Philippines at 22:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 17 hours earlier. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 22:21:57 UTC | 4.4mw | 31 km NNW of Covelo, CA 40.022°, -123.446° | 7.3 km | 122 | IV | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 31 km NNW of Covelo, CA with origin time 22:21 UTC on August 5, 2026. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 22:20:58 UTC | 3.9mw | 31 km NNW of Covelo, CA 40.025°, -123.446° | 8.3 km | 8 | III | green | ✓ Reviewed | USGS → |
A magnitude 3.9 earthquake was recorded 31 km NNW of Covelo, CA on August 5, 2026 at 22:20 UTC. Coming 22 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 22:11:44 UTC | 4.8mb | 35 km SSW of Sarangani, Philippines 5.125°, 125.308° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 35 km SSW of Sarangani, Philippines came in on August 5, 2026 at 22:11 UTC. Coming 18 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 22:03:30 UTC | 2.5ml | 289 km WSW of Adak, Alaska 50.999°, 179.440° | 26.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 289 km WSW of Adak, Alaska with origin time 22:03 UTC on August 5, 2026. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:57:33 UTC | 4.4mb | 33 km SW of Sarangani, Philippines 5.197°, 125.244° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:57 UTC on August 5, 2026, a magnitude 4.4 tremor occurred 33 km SW of Sarangani, Philippines. Coming 18 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:50:35 UTC | 2.5ml | 87 km SE of False Pass, Alaska 54.227°, -162.604° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 87 km SE of False Pass, Alaska at 21:50 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:41:27 UTC | 5.6mww | 41 km SW of Sarangani, Philippines 5.117°, 125.228° | 10.0 km | 15 | IV | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.6 earthquake 41 km SW of Sarangani, Philippines with origin time 21:41 UTC on August 5, 2026. Coming 17 hours after a magnitude 6.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:21:01 UTC | 4.3mb | 48 km SSE of Banda Aceh, Indonesia 5.131°, 95.489° | 101.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 48 km SSE of Banda Aceh, Indonesia on August 5, 2026, with origin time 21:21 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:17:27 UTC | 2.9ml | 106 km SSE of King Cove, Alaska 54.217°, -161.527° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026 at 21:17 UTC, a magnitude 2.9 earthquake struck 106 km SSE of King Cove, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:06:22 UTC | 2.3ml | 49 km SSW of King Cove, Alaska 54.650°, -162.593° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 49 km SSW of King Cove, Alaska at 21:06 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 21:01:52 UTC | 2.4ml | 109 km SSE of King Cove, Alaska 54.245°, -161.379° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
August 5, 2026 brought a magnitude 2.4 earthquake 109 km SSE of King Cove, Alaska, logged at 21:01 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:59:40 UTC | 4.6mb | 97 km WSW of Houma, Tonga -21.483°, -176.177° | 146.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 97 km WSW of Houma, Tonga on August 5, 2026 at 20:59 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:49:37 UTC | 2.8ml | 199 km SE of Perryville, Alaska 54.714°, -156.804° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 199 km SE of Perryville, Alaska at 20:49 UTC on August 5, 2026. Coming 1 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:30:25 UTC | 2.9ml | 200 km SE of Perryville, Alaska 54.727°, -156.775° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 200 km SE of Perryville, Alaska on August 5, 2026 at 20:30 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:27:05 UTC | 4.1mb | 74 km NE of Petropavlovsk-Kamchatsky, Russia 53.614°, 159.253° | 97.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 74 km NE of Petropavlovsk-Kamchatsky, Russia on August 5, 2026 at 20:27 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:24:07 UTC | 4.1mb | 51 km ESE of Koseda, Japan 30.261°, 131.168° | 40.6 km | - | - | - | ✓ Reviewed | USGS → |
August 5, 2026 brought a magnitude 4.1 earthquake 51 km ESE of Koseda, Japan, logged at 20:24 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 20:04:38 UTC | 4.3mb | 45 km S of Sarangani, Philippines 4.997°, 125.513° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 45 km S of Sarangani, Philippines came in on August 5, 2026 at 20:04 UTC. It arrived roughly 16 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:51:36 UTC | 2.8ml | 61 km S of Atka, Alaska 51.642°, -174.134° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 61 km S of Atka, Alaska on August 5, 2026, with origin time 19:51 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:51:05 UTC | 4.5mb | 13 km SE of Ialibu, Papua New Guinea -6.362°, 144.089° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 13 km SE of Ialibu, Papua New Guinea on August 5, 2026 at 19:51 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:46:27 UTC | 5.2mb | 29 km S of Ialibu, Papua New Guinea -6.547°, 143.962° | 16.3 km | 2 | - | - | ✓ Reviewed | USGS → |
At 19:46 UTC on August 5, 2026, a magnitude 5.2 tremor occurred 29 km S of Ialibu, Papua New Guinea. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:33:25 UTC | 4.6mb | 87 km SW of Labuha, Indonesia -1.068°, 126.821° | 38.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 87 km SW of Labuha, Indonesia with origin time 19:33 UTC on August 5, 2026. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:32:25 UTC | 4.6mb | 58 km SSW of Sarangani, Philippines 4.925°, 125.245° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
On August 5, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 58 km SSW of Sarangani, Philippines at 19:32 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:29:56 UTC | 2.5ml | 88 km S of Unalaska, Alaska 53.088°, -166.760° | 29.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:29 UTC on August 5, 2026, a magnitude 2.5 tremor occurred 88 km S of Unalaska, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 19:22:18 UTC | 4.4mb | 19 km NE of Sarangani, Philippines 5.520°, 125.590° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 19 km NE of Sarangani, Philippines at 19:22 UTC on August 5, 2026. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-05 2026-08-05 18:37:42 UTC | 2.6ml | 63 km SSE of Nikolski, Alaska 52.439°, -168.402° | 26.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 63 km SSE of Nikolski, Alaska came in on August 5, 2026 at 18:37 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on August 5, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.