Earthquakes on August 17, 2026
223
EARTHQUAKES on August 17, 2026
24-hour UTC period · USGS data
68 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
13
M4.0–4.9
60
M3.0–3.9
10
M2.0–2.9
41
M1.0–1.9
99
Activity Summary
223
Total earthquakes
~250
Daily average
Normal
Activity level
13
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.8
69 km E of Petropavlovsk-Kamchatsky, Russia
12:38 UTC · 68.3 km deep
Felt by 1
5.5
67 km NNW of Ende, Indonesia
00:46 UTC · 5.2 km deep
5.4
22 km SSW of Kandrian, Papua New Guinea
11:00 UTC · 35.0 km deep
5.4
78 km N of Ruteng, Indonesia
10:44 UTC · 10.0 km deep
5.3
24 km NE of Colonia, Micronesia
22:53 UTC · 10.0 km deep
Felt by 2
5.3
88 km N of Ruteng, Indonesia
10:42 UTC · 10.0 km deep
5.2
91 km NNW of Ende, Indonesia
03:36 UTC · 10.0 km deep
5.1
Kuril Islands
21:36 UTC · 85.9 km deep
Earthquake Map — August 17, 2026
All Earthquakes — August 17, 2026
Showing 30 of 124 (filtered from 223)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-17 2026-08-17 23:58:55 UTC | 2.1md | 54 km ENE of Fort Bidwell, California 41.972°, -119.516° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:58 UTC on August 17, 2026, a magnitude 2.1 tremor occurred 54 km ENE of Fort Bidwell, California. 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. | ||||||||
2026-08-17 2026-08-17 23:01:05 UTC | 2.0ml | 28 km SSE of Halibut Cove, Alaska 59.381°, -150.949° | 34.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 28 km SSE of Halibut Cove, Alaska came in on August 17, 2026 at 23:01 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:53:11 UTC | 5.3mww | 24 km NE of Colonia, Micronesia 9.660°, 138.289° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
At 22:53 UTC on August 17, 2026, a magnitude 5.3 tremor occurred 24 km NE of Colonia, Micronesia. The event was offshore. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:48:40 UTC | 4.4mb | 33 km NE of Labuan Bajo, Indonesia -8.246°, 120.062° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 33 km NE of Labuan Bajo, Indonesia on August 17, 2026 at 22:48 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:48:22 UTC | 4.2mb | 86 km N of Labuan Bajo, Indonesia -7.728°, 120.039° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026 at 22:48 UTC, a magnitude 4.2 earthquake struck 86 km N of Labuan Bajo, Indonesia. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:39:42 UTC | 2.5ml | 118 km SE of Akutan, Alaska 53.423°, -164.443° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 118 km SE of Akutan, Alaska at 22:39 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:35:16 UTC | 3.0ml | 11 km WSW of Venetie, Alaska 66.967°, -146.648° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026 at 22:35 UTC, a magnitude 3.0 earthquake struck 11 km WSW of Venetie, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:19:28 UTC | 4.2mb | 55 km NW of Ende, Indonesia -8.460°, 121.338° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 55 km NW of Ende, Indonesia on August 17, 2026 at 22:19 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.0 earthquake that occurred about 13 hours earlier. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:16:08 UTC | 2.4ml | 7 km ESE of Palomar Observatory, CA 33.325°, -116.799° | 16.0 km | 9 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 7 km ESE of Palomar Observatory, CA on August 17, 2026 at 22:16 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:13:09 UTC | 3.0ml | 51 km W of Petrolia, CA 40.340°, -124.887° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 51 km W of Petrolia, CA on August 17, 2026 at 22:13 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:01:56 UTC | 2.2ml | 73 km SE of Adak, Alaska 51.334°, -176.031° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2026 brought a magnitude 2.2 earthquake 73 km SE of Adak, Alaska, logged at 22:01 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 22:00:45 UTC | 2.0md | 9 km S of Volcano, Hawaii 19.357°, -155.239° | 29.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 9 km S of Volcano, Hawaii on August 17, 2026, with origin time 22:00 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 21:36:35 UTC | 5.1mb | Kuril Islands 46.451°, 151.483° | 85.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.1 earthquake near Kuril Islands came in on August 17, 2026 at 21:36 UTC. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 21:16:54 UTC | 2.3ml | 7 km S of Princeton, Canada 49.388°, -120.493° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 7 km S of Princeton, Canada with origin time 21:16 UTC on August 17, 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. | ||||||||
2026-08-17 2026-08-17 21:04:57 UTC | 4.5mb | 58 km NNE of Labuan Bajo, Indonesia -8.033°, 120.138° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 58 km NNE of Labuan Bajo, Indonesia on August 17, 2026 at 21:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 15 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 21:00:07 UTC | 2.3md | 9 km ESE of Princeton, Idaho 46.868°, -116.722° | -0.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 9 km ESE of Princeton, Idaho at 21:00 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. | ||||||||
2026-08-17 2026-08-17 20:40:13 UTC | 2.4md | 3 km S of Cabo Rojo, Puerto Rico 18.058°, -67.148° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 3 km S of Cabo Rojo, Puerto Rico on August 17, 2026 at 20:40 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 20:35:10 UTC | 4.5ml | 41 km SW of Karluk, Alaska 57.279°, -154.894° | 57.9 km | 6 | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 41 km SW of Karluk, Alaska with origin time 20:35 UTC on August 17, 2026. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 20:20:26 UTC | 4.6mb | South Atlantic Ocean -22.564°, -20.295° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake near South Atlantic Ocean at 20:20 UTC on August 17, 2026. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 19:51:23 UTC | 4.9mww | 214 km WSW of Longyearbyen, Svalbard and Jan Mayen 77.547°, 7.082° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 214 km WSW of Longyearbyen, Svalbard and Jan Mayen at 19:51 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 19:44:20 UTC | 2.8ml | 15 km W of Pueblitos, New Mexico 34.630°, -106.946° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:44 UTC on August 17, 2026, a magnitude 2.8 tremor occurred 15 km W of Pueblitos, New Mexico. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 19:31:37 UTC | 2.4ml | 115 km ESE of McCarthy, Alaska 61.096°, -140.895° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2026 brought a magnitude 2.4 earthquake 115 km ESE of McCarthy, Alaska, logged at 19:31 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 19:30:55 UTC | 2.3ml | 114 km ESE of McCarthy, Alaska 61.123°, -140.883° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:30 UTC on August 17, 2026, a magnitude 2.3 tremor occurred 114 km ESE of McCarthy, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 19:24:08 UTC | 4.1ml | 16 km SSE of Honaunau-Napoopoo, Hawaii 19.315°, -155.827° | 23.0 km | 116 | III | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 16 km SSE of Honaunau-Napoopoo, Hawaii with origin time 19:24 UTC on August 17, 2026. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:52:05 UTC | 2.5md | 28 km SE of Bodie, CA 38.022°, -118.802° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 28 km SE of Bodie, CA on August 17, 2026, with origin time 18:52 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:51:11 UTC | 4.9mww | 30 km NE of Colonia, Micronesia 9.697°, 138.335° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
At 18:51 UTC on August 17, 2026, a magnitude 4.9 tremor occurred 30 km NE of Colonia, Micronesia. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:33:59 UTC | 2.8ml | 5 km NNW of Diamond Ridge, Alaska 59.716°, -151.609° | 59.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 5 km NNW of Diamond Ridge, Alaska at 18:33 UTC on August 17, 2026. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:19:45 UTC | 4.3mb | 76 km W of Sinabang, Indonesia 2.509°, 95.693° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 76 km W of Sinabang, Indonesia on August 17, 2026 at 18:19 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:17:30 UTC | 2.0ml | 24 km SSW of Westbrook, Texas 32.141°, -101.094° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 24 km SSW of Westbrook, Texas on August 17, 2026 at 18:17 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-17 2026-08-17 18:10:05 UTC | 4.6mb | 156 km NNW of Pototano, Indonesia -7.029°, 117.182° | 492.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 156 km NNW of Pototano, Indonesia on August 17, 2026, with origin time 18:10 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 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 17, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.