Earthquakes on August 17, 2026
156
EARTHQUAKES on August 17, 2026
24-hour UTC period · USGS data
55 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
11
M4.0–4.9
20
M3.0–3.9
10
M2.0–2.9
37
M1.0–1.9
78
Activity Summary
156
Total earthquakes
~250
Daily average
Normal
Activity level
11
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
72 km E of Petropavlovsk-Kamchatsky, Russia
12:38 UTC · 54.7 km deep
Felt by 1
5.7
65 km NNW of Ende, Indonesia
00:46 UTC · 48.9 km deep
5.4
75 km N of Ruteng, Indonesia
10:44 UTC · 10.0 km deep
5.3
59 km ENE of Colonia, Micronesia
22:53 UTC · 10.0 km deep
Felt by 1
5.3
68 km NNW of Ende, Indonesia
03:36 UTC · 10.0 km deep
5.2
81 km N of Ruteng, Indonesia
10:42 UTC · 10.0 km deep
5.2
70 km NNW of Ende, Indonesia
03:48 UTC · 16.3 km deep
5.1
Kuril Islands
21:36 UTC · 91.0 km deep
Earthquake Map — August 17, 2026
All Earthquakes — August 17, 2026
Showing 30 of 78 (filtered from 156)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
1 day ago 2026-08-17 23:24:14 UTC | 2.1md | 9 km S of Volcano, Hawaii 19.357°, -155.242° | 31.2 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 9 km S of Volcano, Hawaii on August 17, 2026 at 23:24 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 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 → |
A magnitude 2.0 earthquake was recorded 28 km SSE of Halibut Cove, Alaska on August 17, 2026 at 23:01 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:53:11 UTC | 5.3mww | 59 km ENE of Colonia, Micronesia 9.762°, 138.606° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 5.3 earthquake 59 km ENE of Colonia, Micronesia at 22:53 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:39:42 UTC | 2.5ml | 118 km SE of Akutan, Alaska 53.423°, -164.443° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2026 brought a magnitude 2.5 earthquake 118 km SE of Akutan, Alaska, logged at 22:39 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:35:16 UTC | 3.0ml | 11 km WSW of Venetie, Alaska 66.967°, -146.648° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2026 brought a magnitude 3.0 earthquake 11 km WSW of Venetie, Alaska, logged at 22:35 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:16:08 UTC | 2.8ml | 7 km ESE of Palomar Observatory, CA 33.324°, -116.797° | 14.7 km | 8 | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.8 earthquake 7 km ESE of Palomar Observatory, CA with origin time 22:16 UTC on August 17, 2026. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:13:10 UTC | 3.2ml | 49 km W of Petrolia, CA 40.335°, -124.857° | 14.7 km | - | - | - | Auto | USGS → |
This magnitude 3.2 event was detected 49 km W of Petrolia, CA on August 17, 2026, with origin time 22:13 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 22:01:56 UTC | 2.2ml | 73 km SE of Adak, Alaska 51.334°, -176.031° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 73 km SE of Adak, Alaska with origin time 22:01 UTC on August 17, 2026. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 21:36:35 UTC | 5.1mb | Kuril Islands 46.434°, 151.383° | 91.0 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. | ||||||||
1 day ago 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 → |
This magnitude 2.4 event was detected 3 km S of Cabo Rojo, Puerto Rico on August 17, 2026, with origin time 20:40 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 20:35:10 UTC | 4.5ml | 41 km SW of Karluk, Alaska 57.279°, -154.894° | 57.9 km | 5 | 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. | ||||||||
1 day ago 2026-08-17 19:51:23 UTC | 4.8mb | 219 km WSW of Longyearbyen, Svalbard and Jan Mayen 77.575°, 6.791° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 219 km WSW of Longyearbyen, Svalbard and Jan Mayen on August 17, 2026, with origin time 19:51 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 19:31:37 UTC | 2.4ml | 115 km ESE of McCarthy, Alaska 61.096°, -140.895° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:31 UTC on August 17, 2026, a magnitude 2.4 tremor occurred 115 km ESE of McCarthy, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 19:30:55 UTC | 2.3ml | 114 km ESE of McCarthy, Alaska 61.123°, -140.883° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 114 km ESE of McCarthy, Alaska came in on August 17, 2026 at 19:30 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 19:24:08 UTC | 4.1ml | 16 km SSE of Honaunau-Napoopoo, Hawaii 19.315°, -155.827° | 23.0 km | 112 | III | green | ✓ Reviewed | USGS → |
On August 17, 2026 at 19:24 UTC, a magnitude 4.1 earthquake struck 16 km SSE of Honaunau-Napoopoo, Hawaii. 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. | ||||||||
1 day ago 2026-08-17 18:52:05 UTC | 2.5md | 28 km SE of Bodie, CA 38.024°, -118.799° | 10.6 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.5 earthquake 28 km SE of Bodie, CA with origin time 18:52 UTC on August 17, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 18:51:11 UTC | 4.9mb | 28 km NE of Colonia, Micronesia 9.711°, 138.289° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded 28 km NE of Colonia, Micronesia on August 17, 2026 at 18:51 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 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 → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.8 earthquake 5 km NNW of Diamond Ridge, Alaska at 18:33 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 18:17:30 UTC | 2.0ml | 24 km SSW of Westbrook, Texas 32.141°, -101.094° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 24 km SSW of Westbrook, Texas with origin time 18:17 UTC on August 17, 2026. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 18:10:05 UTC | 4.6mb | 155 km N of Pototano, Indonesia -7.024°, 117.246° | 496.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026 at 18:10 UTC, a magnitude 4.6 earthquake struck 155 km N of Pototano, Indonesia. 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. | ||||||||
1 day ago 2026-08-17 18:03:07 UTC | 2.6md | 6 km WSW of Guánica, Puerto Rico 17.947°, -66.961° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 6 km WSW of Guánica, Puerto Rico came in on August 17, 2026 at 18:03 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 17:11:58 UTC | 2.4md | 18 km SW of Toms Place, CA 37.448°, -118.832° | 2.5 km | - | - | - | Auto | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 18 km SW of Toms Place, CA at 17:11 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 16:54:15 UTC | 2.0ml | 17 km S of Point Possession, Alaska 60.764°, -150.739° | 47.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 17 km S of Point Possession, Alaska at 16:54 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 16:10:33 UTC | 2.0ml | 12 km ESE of Pearsall, Texas 28.834°, -98.982° | 8.8 km | 1 | - | - | ✓ Reviewed | USGS → |
At 16:10 UTC on August 17, 2026, a magnitude 2.0 tremor occurred 12 km ESE of Pearsall, Texas. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 15:41:00 UTC | 2.3md | 0 km WSW of Guánica, Puerto Rico 17.969°, -66.915° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026 at 15:41 UTC, a magnitude 2.3 earthquake struck 0 km WSW of Guánica, Puerto Rico. It arrived roughly 3 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 14:16:40 UTC | 2.2ml | 59 km W of Cantwell, Alaska 63.402°, -150.145° | 118.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 17, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 59 km W of Cantwell, Alaska at 14:16 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 14:12:28 UTC | 4.4mb | 59 km NNW of Ende, Indonesia -8.387°, 121.368° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 59 km NNW of Ende, Indonesia at 14:12 UTC on August 17, 2026. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 11 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 13:58:34 UTC | 5.0mb | 32 km N of Ruteng, Indonesia -8.318°, 120.447° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 17, 2026 brought a magnitude 5.0 earthquake 32 km N of Ruteng, Indonesia, logged at 13:58 UTC. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 13:39:29 UTC | 2.3ml | 120 km NW of Yakutat, Alaska 60.313°, -141.255° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 120 km NW of Yakutat, Alaska on August 17, 2026 at 13:39 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
1 day ago 2026-08-17 13:03:33 UTC | 2.4md | 6 km WSW of Fuig, Puerto Rico 17.965°, -66.976° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 6 km WSW of Fuig, Puerto Rico at 13:03 UTC on August 17, 2026. See the M2.4 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.