Earthquakes on August 11, 2026
265
EARTHQUAKES on August 11, 2026
24-hour UTC period · USGS data
LARGEST: M5.1 — 51 km E of Tobelo, Indonesia
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
19
M3.0–3.9
19
M2.0–2.9
70
M1.0–1.9
154
Activity Summary
265
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.1
51 km E of Tobelo, Indonesia
20:14 UTC · 10.0 km deep
5.0
89 km ESE of Kokopo, Papua New Guinea
20:31 UTC · 68.9 km deep
Felt by 1
5.0
107 km WNW of Kerema, Papua New Guinea
17:06 UTC · 10.0 km deep
4.9
149 km SSE of Port Blair, India
19:55 UTC · 113.5 km deep
4.8
81 km ENE of Mutsu, Japan
21:45 UTC · 59.6 km deep
4.8
Pulau Pulau Tanimbar, Indonesia
12:45 UTC · 30.6 km deep
4.7
167 km SSW of Abepura, Indonesia
23:33 UTC · 34.3 km deep
4.7
81 km SSE of Bengkulu, Indonesia
01:12 UTC · 61.9 km deep
0Earthquake Map — August 11, 2026
All Earthquakes — August 11, 2026
Showing 30 of 111 (filtered from 265)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-11 2026-08-11 23:34:34 UTC | 4.4mb | 91 km SSW of Corinto, Nicaragua 11.678°, -87.360° | 41.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 91 km SSW of Corinto, Nicaragua on August 11, 2026 at 23:34 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 23:33:14 UTC | 4.7mb | 167 km SSW of Abepura, Indonesia -3.938°, 139.939° | 34.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.7 event was detected 167 km SSW of Abepura, Indonesia on August 11, 2026, with origin time 23:33 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 23:25:45 UTC | 2.1md | 13 km N of Pāhala, Hawaii 19.325°, -155.454° | 24.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 13 km N of Pāhala, Hawaii at 23:25 UTC on August 11, 2026. Coming 13 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 22:41:00 UTC | 2.3ml | 72 km SSE of Adak, Alaska 51.299°, -176.132° | 16.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 72 km SSE of Adak, Alaska at 22:41 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 22:26:55 UTC | 3.9ml | 59 km NE of Pedro Bay, Alaska 60.105°, -153.257° | 147.2 km | 3 | I | - | ✓ Reviewed | USGS → |
On August 11, 2026, worldwide seismic activity registered a magnitude 3.9 earthquake 59 km NE of Pedro Bay, Alaska at 22:26 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 22:21:10 UTC | 2.2md | 6 km ESE of La Parguera, Puerto Rico 17.944°, -66.990° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 6 km ESE of La Parguera, Puerto Rico at 22:21 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 22:10:22 UTC | 2.0md | 6 km NNW of Pinnacles, CA 36.578°, -121.181° | 4.7 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.0 earthquake 6 km NNW of Pinnacles, CA came in on August 11, 2026 at 22:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 12 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:50:33 UTC | 2.2ml | 12 km S of Olancha, CA 36.175°, -118.026° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 12 km S of Olancha, CA with origin time 21:50 UTC on August 11, 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. | ||||||||
2026-08-11 2026-08-11 21:45:53 UTC | 4.8mww | 81 km ENE of Mutsu, Japan 41.571°, 142.119° | 59.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:45 UTC on August 11, 2026, a magnitude 4.8 tremor occurred 81 km ENE of Mutsu, Japan. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:37:04 UTC | 4.6mb | 14 km NE of Wana, Pakistan 32.387°, 69.683° | 43.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 14 km NE of Wana, Pakistan on August 11, 2026 at 21:37 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:35:14 UTC | 2.8md | 7 km NW of The Geysers, CA 38.826°, -122.803° | 2.5 km | - | - | - | Auto | USGS → |
At 21:35 UTC on August 11, 2026, a magnitude 2.8 tremor occurred 7 km NW of The Geysers, CA. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:34:57 UTC | 3.0ml | 7 km NW of The Geysers, CA 38.826°, -122.805° | 2.8 km | 10 | - | - | Auto | USGS → |
A magnitude 3.0 earthquake was recorded 7 km NW of The Geysers, CA on August 11, 2026 at 21:34 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:25:08 UTC | 2.0ml | 35 km SE of Pāhala, Hawaii 18.990°, -155.222° | 42.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026 at 21:25 UTC, a magnitude 2.0 earthquake struck 35 km SE of Pāhala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:23:01 UTC | 3.0ml | 155 km SW of Nikolski, Alaska 51.979°, -170.518° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
August 11, 2026 brought a magnitude 3.0 earthquake 155 km SW of Nikolski, Alaska, logged at 21:23 UTC. It arrived roughly 1 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:14:28 UTC | 2.0ml | 11 km SE of Pearsall, Texas 28.828°, -99.000° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 11 km SE of Pearsall, Texas with origin time 21:14 UTC on August 11, 2026. It arrived roughly 17 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:12:42 UTC | 2.0ml | 124 km WSW of Adak, Alaska 51.295°, -178.178° | 21.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 124 km WSW of Adak, Alaska at 21:12 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 21:11:32 UTC | 2.2ml | 65 km S of Shungnak, Alaska 66.301°, -157.268° | 0.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 65 km S of Shungnak, Alaska came in on August 11, 2026 at 21:11 UTC. 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. | ||||||||
2026-08-11 2026-08-11 20:57:34 UTC | 3.3ml | 157 km SW of Nikolski, Alaska 51.948°, -170.515° | 23.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026 at 20:57 UTC, a magnitude 3.3 earthquake struck 157 km SW of Nikolski, Alaska. It arrived roughly 1 hours after a larger magnitude 4.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:42:58 UTC | 4.1ml | 163 km SW of Nikolski, Alaska 51.825°, -170.427° | 36.9 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 163 km SW of Nikolski, Alaska on August 11, 2026 at 20:42 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:42:30 UTC | 2.0md | 5 km NE of Caruthersville, Missouri 36.219°, -89.610° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 5 km NE of Caruthersville, Missouri on August 11, 2026 at 20:42 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:36:38 UTC | 2.1ml | 46 km NNW of Chickaloon, Alaska 62.202°, -148.651° | 21.9 km | 1 | - | - | ✓ Reviewed | USGS → |
August 11, 2026 brought a magnitude 2.1 earthquake 46 km NNW of Chickaloon, Alaska, logged at 20:36 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:34:02 UTC | 2.9ml | 11 km SW of Niland, CA 33.185°, -115.611° | 2.2 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 11 km SW of Niland, CA with origin time 20:34 UTC on August 11, 2026. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:31:28 UTC | 5.0mww | 89 km ESE of Kokopo, Papua New Guinea -4.719°, 152.988° | 68.9 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 earthquake was recorded 89 km ESE of Kokopo, Papua New Guinea on August 11, 2026 at 20:31 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:22:41 UTC | 2.0md | 6 km NW of Pinnacles, CA 36.578°, -121.183° | 2.8 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 6 km NW of Pinnacles, CA on August 11, 2026 at 20:22 UTC. Coming 10 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:14:18 UTC | 5.1mb | 51 km E of Tobelo, Indonesia 1.706°, 128.474° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026 at 20:14 UTC, a magnitude 5.1 earthquake struck 51 km E of Tobelo, Indonesia. It is the largest earthquake currently listed for worldwide seismic activity on August 11, 2026. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 20:04:57 UTC | 2.3ml | 200 km SE of Akutan, Alaska 52.740°, -163.854° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:04 UTC on August 11, 2026, a magnitude 2.3 tremor occurred 200 km SE of Akutan, Alaska. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 19:55:41 UTC | 4.9mb | 149 km SSE of Port Blair, India 10.535°, 93.488° | 113.5 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026, worldwide seismic activity registered a magnitude 4.9 earthquake 149 km SSE of Port Blair, India at 19:55 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 18:50:33 UTC | 2.0ml | 77 km SSW of Atka, Alaska 51.541°, -174.564° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:50 UTC on August 11, 2026, a magnitude 2.0 tremor occurred 77 km SSW of Atka, Alaska. Coming 12 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 18:45:19 UTC | 4.6mb | 118 km ESE of Neiafu, Tonga -19.084°, -172.951° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
August 11, 2026 brought a magnitude 4.6 earthquake 118 km ESE of Neiafu, Tonga, logged at 18:45 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-11 2026-08-11 18:40:49 UTC | 2.1ml | 54 km SSE of Adak, Alaska 51.428°, -176.306° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
On August 11, 2026 at 18:40 UTC, a magnitude 2.1 earthquake struck 54 km SSE of Adak, Alaska. See the M2.1 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 11, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.