Earthquakes on May 27, 2026
255
EARTHQUAKES on May 27, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
42
M3.0–3.9
11
M2.0–2.9
54
M1.0–1.9
143
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+)
6.0
western Indian-Antarctic Ridge
15:01 UTC · 10.0 km deep
6.0
western Indian-Antarctic Ridge
14:51 UTC · 10.0 km deep
5.3
279 km WNW of Neiafu, Tonga
19:09 UTC · 10.0 km deep
5.1
27 km NE of Calama, Chile
05:23 UTC · 102.7 km deep
Felt by 2
5.0
134 km SE of Bitung, Indonesia
06:24 UTC · 10.9 km deep
Felt by 1
4.9
185 km SSW of Lata, Solomon Islands
00:53 UTC · 10.0 km deep
4.8
82 km W of Macabuboni, Philippines
22:36 UTC · 10.0 km deep
4.8
56 km N of Finschhafen, Papua New Guinea
09:33 UTC · 73.9 km deep
Earthquake Map — May 27, 2026

All Earthquakes — May 27, 2026
Showing 30 of 112 (filtered from 255)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-05-27 2026-05-27 23:30:59 UTC | 2.3ml | 23 km SSW of Cooper Landing, Alaska 60.287°, -149.954° | 30.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026 at 23:30 UTC, a magnitude 2.3 earthquake struck 23 km SSW of Cooper Landing, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 23:29:34 UTC | 4.2mb | 28 km ENE of Hihifo, Tonga -15.866°, -173.548° | 52.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 28 km ENE of Hihifo, Tonga came in on May 27, 2026 at 23:29 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 23:23:33 UTC | 2.2md | 3 km W of Vázquez, Puerto Rico 18.066°, -66.269° | 50.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 3 km W of Vázquez, Puerto Rico came in on May 27, 2026 at 23:23 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 23:16:18 UTC | 2.0ml | 59 km N of Karluk, Alaska 58.098°, -154.612° | 92.5 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026 at 23:16 UTC, a magnitude 2.0 earthquake struck 59 km N of Karluk, Alaska. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 23:07:47 UTC | 2.8ml | 17 km WSW of Johannesburg, CA 35.317°, -117.807° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 17 km WSW of Johannesburg, CA came in on May 27, 2026 at 23:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 5 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 22:49:37 UTC | 2.3md | 26 km NE of Viola, CA 40.684°, -121.461° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 26 km NE of Viola, CA on May 27, 2026 at 22:49 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 22:48:57 UTC | 2.8ml | 4 km W of Wauna, Washington 47.374°, -122.698° | 25.8 km | 63 | - | - | ✓ Reviewed | USGS → |
At 22:48 UTC on May 27, 2026, a magnitude 2.8 tremor occurred 4 km W of Wauna, Washington. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 22:36:38 UTC | 4.8mb | 82 km W of Macabuboni, Philippines 16.213°, 119.007° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 82 km W of Macabuboni, Philippines on May 27, 2026, with origin time 22:36 UTC. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 22:29:32 UTC | 4.1mb | 231 km NNW of Qamdo, China 33.069°, 96.270° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026, worldwide seismic activity registered a magnitude 4.1 earthquake 231 km NNW of Qamdo, China at 22:29 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 21:50:23 UTC | 2.5ml | Rat Islands, Aleutian Islands, Alaska 51.765°, 178.178° | 66.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place near Rat Islands, Aleutian Islands, Alaska on May 27, 2026 at 21:50 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 21:37:38 UTC | 4.6mb | South Sandwich Islands region -58.096°, -25.929° | 93.2 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026 at 21:37 UTC, a magnitude 4.6 earthquake struck in the South Sandwich Islands region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 21:30:40 UTC | 2.4ml | 45 km ESE of Nabesna, Alaska 62.226°, -142.203° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on May 27, 2026, a magnitude 2.4 tremor occurred 45 km ESE of Nabesna, Alaska. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 21:11:14 UTC | 2.5ml | 109 km N of Yakutat, Alaska 60.521°, -140.000° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 27, 2026 brought a magnitude 2.5 earthquake 109 km N of Yakutat, Alaska, logged at 21:11 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 21:09:27 UTC | 4.5mb | 65 km W of Macabuboni, Philippines 16.218°, 119.165° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 65 km W of Macabuboni, Philippines on May 27, 2026, with origin time 21:09 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 20:50:08 UTC | 2.1ml | 94 km N of Yakutat, Alaska 60.388°, -139.468° | 2.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 94 km N of Yakutat, Alaska with origin time 20:50 UTC on May 27, 2026. It arrived roughly 2 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2026-05-27 2026-05-27 20:46:55 UTC | 4.4mb | 206 km SSE of Waipawa, New Zealand -43.051°, 176.694° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 206 km SSE of Waipawa, New Zealand on May 27, 2026 at 20:46 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 20:44:05 UTC | 4.2mb | 60 km WNW of Catuday, Philippines 16.422°, 119.257° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 60 km WNW of Catuday, Philippines on May 27, 2026 at 20:44 UTC. Coming 17 hours after a magnitude 4.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 20:18:26 UTC | 2.5ml | 5 km SE of Ratliff City, Oklahoma 34.423°, -97.465° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 5 km SE of Ratliff City, Oklahoma at 20:18 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 20:16:56 UTC | 2.0ml | 11 km WNW of Calipatria, CA 33.159°, -115.622° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 11 km WNW of Calipatria, CA on May 27, 2026, with origin time 20:16 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 19:56:37 UTC | 2.5ml | 2 km N of Tanaina, Alaska 61.648°, -149.432° | 29.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On May 27, 2026 at 19:56 UTC, a magnitude 2.5 earthquake struck 2 km N of Tanaina, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 19:51:36 UTC | 4.4mb | Maug Islands region, Northern Mariana Islands 19.024°, 144.898° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake in the Maug Islands region, Northern Mariana Islands with origin time 19:51 UTC on May 27, 2026. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 19:48:46 UTC | 2.5ml | 154 km WSW of Adak, Alaska 51.175°, -178.556° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 154 km WSW of Adak, Alaska on May 27, 2026 at 19:48 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 19:09:53 UTC | 5.3mww | 279 km WNW of Neiafu, Tonga -18.019°, -176.548° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 279 km WNW of Neiafu, Tonga with origin time 19:09 UTC on May 27, 2026. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:53:05 UTC | 2.5ml | 100 km N of Yakutat, Alaska 60.447°, -139.516° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 100 km N of Yakutat, Alaska with origin time 18:53 UTC on May 27, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:51:27 UTC | 2.7ml | 77 km SSE of King Cove, Alaska 54.448°, -161.760° | 18.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 77 km SSE of King Cove, Alaska on May 27, 2026 at 18:51 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:24:25 UTC | 2.9ml | 17 km WSW of Johannesburg, CA 35.316°, -117.814° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
On May 27, 2026, worldwide seismic activity registered a magnitude 2.9 earthquake 17 km WSW of Johannesburg, CA at 18:24 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:18:06 UTC | 4.3mb | Fiji region -18.133°, -176.802° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
May 27, 2026 brought a magnitude 4.3 earthquake in the Fiji region, logged at 18:18 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:17:52 UTC | 2.9ml | 151 km S of Atka, Alaska 50.834°, -174.276° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 151 km S of Atka, Alaska on May 27, 2026 at 18:17 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 18:02:59 UTC | 3.2ml | 114 km SW of Inuvik, Canada 67.740°, -135.916° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 114 km SW of Inuvik, Canada on May 27, 2026 at 18:02 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-27 2026-05-27 17:53:45 UTC | 3.4ml | 27 km SSE of Hope, New Mexico 32.570°, -104.646° | 7.4 km | - | IV | - | ✓ Reviewed | USGS → |
May 27, 2026 brought a magnitude 3.4 earthquake 27 km SSE of Hope, New Mexico, logged at 17:53 UTC. See the M3.4 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 May 27, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.