Earthquakes on August 27, 2026
250
EARTHQUAKES on August 27, 2026
24-hour UTC period · USGS data
LARGEST: M6.0 — 145 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
26
M3.0–3.9
6
M2.0–2.9
57
M1.0–1.9
156
Activity Summary
250
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.0
145 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
264 km WNW of Houma, Tonga
23:02 UTC · 520.3 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 94 (filtered from 250)
(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 | 4.4mb | 33 km NNW of Rabaul, Papua New Guinea -3.934°, 152.021° | 267.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 33 km NNW of Rabaul, Papua New Guinea with origin time 23:50 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 23:19:36 UTC | 3.2ml | 62 km ENE of Ouzinkie, Alaska 58.162°, -151.537° | 37.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 62 km ENE of Ouzinkie, Alaska at 23:19 UTC on August 27, 2026. 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 | 264 km WNW of Houma, Tonga -20.380°, -177.696° | 520.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 264 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 22:40:16 UTC | 2.9ml | 87 km S of Unalaska, Alaska 53.099°, -166.771° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 87 km S of Unalaska, Alaska came in on August 27, 2026 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 22:21:14 UTC | 2.0md | 17 km NE of Milford, Utah 38.520°, -112.892° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
On August 27, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 17 km NE of Milford, Utah 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 → |
At 22:18 UTC on August 27, 2026, a magnitude 2.0 tremor occurred 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 22:13:31 UTC | 4.6mb | 35 km SSW of Shizunai-furukawachō, Japan 42.032°, 142.242° | 63.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 35 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 → |
Reports of a magnitude 2.4 earthquake 24 km NE of Beluga, Alaska came in on August 27, 2026 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 21:07:38 UTC | 6.0mww | 145 km N of Caluula, Somalia 13.265°, 50.542° | 10.0 km | 1 | III | green | ✓ Reviewed | USGS → |
On August 27, 2026 at 21:07 UTC, a magnitude 6.0 earthquake struck 145 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 M6.0 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 → |
Reports of a magnitude 2.1 earthquake 19 km ESE of Silver Springs, Nevada came in on August 27, 2026 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 20:11:46 UTC | 2.4ml | 10 km SSE of Enterprise, Nevada 35.938°, -115.187° | 6.0 km | - | - | - | Auto | USGS → |
On August 27, 2026 at 20:11 UTC, a magnitude 2.4 earthquake struck 10 km SSE of Enterprise, Nevada. 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 → |
On August 27, 2026 at 19:52 UTC, a magnitude 2.2 earthquake struck 76 km SSW of Unalaska, Alaska. 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 → |
August 27, 2026 brought a magnitude 2.1 earthquake 58 km S of Whites City, New Mexico, logged at 19:38 UTC. 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 → |
The USGS recorded this magnitude 4.5 earthquake in the Kermadec Islands region at 19:35 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 19:35:01 UTC | 2.3ml | 58 km S of Whites City, New Mexico 31.651°, -104.431° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 58 km S of Whites City, New Mexico with origin time 19:35 UTC on August 27, 2026. 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 → |
This magnitude 2.6 event was detected 3 km SW of La Parguera, Puerto Rico on August 27, 2026, with origin time 19:33 UTC. 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 → |
This magnitude 2.2 event was detected 2 km NE of The Geysers, CA on August 27, 2026, with origin time 19:06 UTC. 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 → |
On August 27, 2026, worldwide seismic activity registered a magnitude 4.4 earthquake in the Pagan region, Northern Mariana Islands at 19:06 UTC. 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 → |
Reports of a magnitude 2.6 earthquake 56 km S of Whites City, New Mexico came in on August 27, 2026 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 → |
This magnitude 3.0 event was detected 51 km ENE of Denali National Park, Alaska on August 27, 2026, with origin time 18:37 UTC. 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 → |
On August 27, 2026 at 18:15 UTC, a magnitude 2.1 earthquake struck 49 km NW of Ninilchik, Alaska. 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 18:02:48 UTC | 2.6ml | 63 km WSW of Port Alexander, Alaska 55.959°, -135.517° | 7.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 63 km WSW of Port Alexander, Alaska on August 27, 2026 at 18:02 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 17:49:47 UTC | 2.1ml | 38 km S of Skwentna, Alaska 61.650°, -151.451° | 74.3 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 38 km S of Skwentna, Alaska on August 27, 2026 at 17:49 UTC. 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 17:40:41 UTC | 4.5mb | 59 km ENE of Palca, Peru -17.571°, -69.441° | 144.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 59 km ENE of Palca, Peru on August 27, 2026, with origin time 17:40 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 17:33:33 UTC | 2.5ml | 102 km S of Unalaska, Alaska 52.957°, -166.618° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 102 km S of Unalaska, Alaska on August 27, 2026 at 17:33 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-08-27 2026-08-27 17:23:23 UTC | 4.2mb | 19 km NNW of Machala, Ecuador -3.089°, -79.995° | 51.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 19 km NNW of Machala, Ecuador came in on August 27, 2026 at 17:23 UTC. See the M4.2 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.