Earthquakes on August 27, 2026
255
EARTHQUAKES on August 27, 2026
24-hour UTC period · USGS data
LARGEST: M5.9 — 144 km N of Caluula, Somalia
10 km deep · 1 person felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
32
M3.0–3.9
6
M2.0–2.9
57
M1.0–1.9
155
Activity Summary
255
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
144 km N of Caluula, Somalia
21:07 UTC · 10.0 km deep
Felt by 1
5.3
54 km NNE of Labuan Bajo, Indonesia
10:33 UTC · 10.0 km deep
5.2
Volcano Islands, Japan region
05:44 UTC · 10.0 km deep
5.1
South Atlantic Ocean
04:19 UTC · 10.0 km deep
5.0
western Xizang
14:45 UTC · 10.0 km deep
4.9
265 km WNW of Houma, Tonga
23:02 UTC · 519.0 km deep
4.9
5 km NW of Culaman, Philippines
18:43 UTC · 10.0 km deep
Felt by 1
4.9
Indian Ocean Triple Junction
11:47 UTC · 10.0 km deep
Earthquake Map — August 27, 2026
All Earthquakes — August 27, 2026
Showing 30 of 100 (filtered from 255)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-08-27 2026-08-27 23:50:50 UTC | 4.5mb | 39 km NNW of Rabaul, Papua New Guinea -3.888°, 151.991° | 266.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 39 km NNW of Rabaul, Papua New Guinea at 23:50 UTC on August 27, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 23:19:36 UTC | 3.2ml | 62 km ENE of Ouzinkie, Alaska 58.162°, -151.537° | 37.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 62 km ENE of Ouzinkie, Alaska on August 27, 2026 at 23:19 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 23:02:58 UTC | 4.9mb | 265 km WNW of Houma, Tonga -20.413°, -177.717° | 519.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 265 km WNW of Houma, Tonga at 23:02 UTC on August 27, 2026. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 22:48:03 UTC | 4.3mb | 14 km NW of Las Tejerías, Venezuela 10.360°, -67.258° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 14 km NW of Las Tejerías, Venezuela on August 27, 2026, with origin time 22:48 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 22:40:16 UTC | 2.9ml | 87 km S of Unalaska, Alaska 53.099°, -166.771° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 2.9 earthquake 87 km S of Unalaska, Alaska at 22:40 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 22:22:45 UTC | 4.4mb | 29 km NE of Tobelo, Indonesia 1.889°, 128.220° | 114.8 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake 29 km NE of Tobelo, Indonesia at 22:22 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 22:21:14 UTC | 2.0md | 17 km NE of Milford, Utah 38.520°, -112.892° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
August 27, 2026 brought a magnitude 2.0 earthquake 17 km NE of Milford, Utah, logged at 22:21 UTC. 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. | ||||||||
2026-08-27 2026-08-27 22:18:55 UTC | 2.0ml | 16 km NE of Milford, Utah 38.514°, -112.894° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026 at 22:18 UTC, a magnitude 2.0 earthquake struck 16 km NE of Milford, Utah. 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. | ||||||||
2026-08-27 2026-08-27 22:13:30 UTC | 4.6mb | 34 km SSW of Shizunai-furukawachō, Japan 42.042°, 142.232° | 60.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 34 km SSW of Shizunai-furukawachō, Japan with origin time 22:13 UTC on August 27, 2026. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 21:48:17 UTC | 2.4ml | 24 km NE of Beluga, Alaska 61.320°, -150.803° | 78.3 km | 1 | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 24 km NE of Beluga, Alaska at 21:48 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 21:38:03 UTC | 4.3mb | 152 km N of Caluula, Somalia 13.321°, 50.512° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 152 km N of Caluula, Somalia came in on August 27, 2026 at 21:38 UTC. It arrived roughly 1 hours after a larger magnitude 5.9 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. | ||||||||
2026-08-27 2026-08-27 21:28:49 UTC | 4.3mb | 166 km N of Caluula, Somalia 13.446°, 50.467° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 166 km N of Caluula, Somalia on August 27, 2026 at 21:28 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 21:07:38 UTC | 5.9mww | 144 km N of Caluula, Somalia 13.259°, 50.560° | 10.0 km | 1 | - | green | ✓ Reviewed | USGS → |
On August 27, 2026 at 21:07 UTC, a magnitude 5.9 earthquake struck 144 km N of Caluula, Somalia. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on August 27, 2026. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 21:07:30 UTC | 2.1ml | 19 km ESE of Silver Springs, Nevada 39.343°, -119.019° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 19 km ESE of Silver Springs, Nevada at 21:07 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 21:05:29 UTC | 4.4mb | 76 km NE of Labuan Bajo, Indonesia -7.932°, 120.287° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:05 UTC on August 27, 2026, a magnitude 4.4 tremor occurred 76 km NE of Labuan Bajo, Indonesia. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 20:11:46 UTC | 2.4ml | 10 km SSE of Enterprise, Nevada 35.938°, -115.187° | 6.0 km | - | - | - | Auto | USGS → |
This magnitude 2.4 event was detected 10 km SSE of Enterprise, Nevada on August 27, 2026, with origin time 20:11 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 20:07:24 UTC | 4.6mb | east of the North Island of New Zealand -35.010°, -179.906° | 34.2 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake east of the North Island of New Zealand at 20:07 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:54:40 UTC | 4.8mb | 69 km NE of Kuji, Japan 40.634°, 142.348° | 58.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place 69 km NE of Kuji, Japan on August 27, 2026 at 19:54 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:52:59 UTC | 2.2ml | 76 km SSW of Unalaska, Alaska 53.207°, -166.817° | 59.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 76 km SSW of Unalaska, Alaska on August 27, 2026, with origin time 19:52 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:45:59 UTC | 4.6mb | 48 km ESE of Iwaki, Japan 36.910°, 141.400° | 49.1 km | - | - | - | ✓ Reviewed | USGS → |
At 19:45 UTC on August 27, 2026, a magnitude 4.6 tremor occurred 48 km ESE of Iwaki, Japan. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:38:26 UTC | 2.1ml | 58 km S of Whites City, New Mexico 31.650°, -104.426° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 58 km S of Whites City, New Mexico at 19:38 UTC on August 27, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:35:46 UTC | 4.5mb | Kermadec Islands region -28.350°, -176.825° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected in the Kermadec Islands region on August 27, 2026, with origin time 19:35 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:35:01 UTC | 2.3ml | 58 km S of Whites City, New Mexico 31.651°, -104.431° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 58 km S of Whites City, New Mexico on August 27, 2026 at 19:35 UTC. Coming 1 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:33:32 UTC | 2.6md | 3 km SW of La Parguera, Puerto Rico 17.951°, -67.066° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 3 km SW of La Parguera, Puerto Rico with origin time 19:33 UTC on August 27, 2026. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:06:21 UTC | 2.2md | 2 km NE of The Geysers, CA 38.786°, -122.743° | 1.5 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 2 km NE of The Geysers, CA with origin time 19:06 UTC on August 27, 2026. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 19:06:05 UTC | 4.4mb | Pagan region, Northern Mariana Islands 18.668°, 145.694° | 218.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake in the Pagan region, Northern Mariana Islands at 19:06 UTC on August 27, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 18:55:47 UTC | 2.6ml | 56 km S of Whites City, New Mexico 31.671°, -104.416° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 56 km S of Whites City, New Mexico at 18:55 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 18:43:39 UTC | 4.9mb | 5 km NW of Culaman, Philippines 5.998°, 125.628° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 5 km NW of Culaman, Philippines on August 27, 2026, with origin time 18:43 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 18:37:51 UTC | 3.0ml | 51 km ENE of Denali National Park, Alaska 63.649°, -150.721° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 51 km ENE of Denali National Park, Alaska with origin time 18:37 UTC on August 27, 2026. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 18:15:46 UTC | 2.1ml | 49 km NW of Ninilchik, Alaska 60.396°, -152.243° | 87.3 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 49 km NW of Ninilchik, Alaska on August 27, 2026, with origin time 18:15 UTC. The event was offshore. 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 27, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.