Earthquakes on May 27, 2026

227
EARTHQUAKES on May 27, 2026
24-hour UTC period · USGS data
10 km deep
Normal activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
5
M4.0–4.9
18
M3.0–3.9
11
M2.0–2.9
53
M1.0–1.9
140

Activity Summary

227
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events

Geographic Breakdown

Top Countries (International)

South Sandwich Islands
1

Earthquake Map — May 27, 2026

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — May 27, 2026

Showing 30 of 87 (filtered from 227)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
6 days ago
2026-05-27 23:30:59 UTC
2.3ml
23 km SSW of Cooper Landing, Alaska
60.287°, -149.954°
30.5 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.3 earthquake 23 km SSW of Cooper Landing, Alaska at 23:30 UTC on May 27, 2026. At a depth of 30.5 km, the event was shallow crustal. Coordinates: 60.287°, -149.954°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 23:23:33 UTC
2.2md
3 km W of Vázquez, Puerto Rico
18.066°, -66.269°
50.9 km---✓ ReviewedUSGS →
At 23:23 UTC on May 27, 2026, a magnitude 2.2 tremor occurred 3 km W of Vázquez, Puerto Rico. The event originated approximately 50.9 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 18.066°, -66.269°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 23:16:18 UTC
2.0ml
59 km N of Karluk, Alaska
58.098°, -154.612°
92.5 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.0 earthquake 59 km N of Karluk, Alaska at 23:16 UTC on May 27, 2026. At a depth of 92.5 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 58.098°N, -154.612°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 23:07:47 UTC
2.8ml
17 km WSW of Johannesburg, CA
35.317°, -117.807°
7.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.8 earthquake 17 km WSW of Johannesburg, CA with origin time 23:07 UTC on May 27, 2026. It arrived roughly 5 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event originated approximately 7.0 km below the surface, classifying it as shallow crustal. The epicenter is at 35.317°, -117.807°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 22:49:36 UTC
2.5md
26 km NE of Viola, CA
40.687°, -121.459°
-2.0 km---AutoUSGS →
On May 27, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 26 km NE of Viola, CA at 22:49 UTC. At just -2.0 km, it was the shallowest earthquake in the current dataset — a shallow crustal event. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 40.687°, -121.459°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 22:48:57 UTC
2.8ml
4 km W of Wauna, Washington
47.374°, -122.698°
25.8 km61--✓ ReviewedUSGS →
May 27, 2026 brought a magnitude 2.8 earthquake 4 km W of Wauna, Washington, logged at 22:48 UTC. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. 61 people reported feeling the earthquake via the USGS Did You Feel It? system. This was a shallow crustal earthquake, focused at 25.8 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 47.374°, -122.698°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 22:29:32 UTC
4.1mb
229 km NNW of Qamdo, China
33.068°, 96.318°
10.0 km---✓ ReviewedUSGS →
A magnitude 4.1 earthquake was recorded 229 km NNW of Qamdo, China on May 27, 2026 at 22:29 UTC. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at 33.068°, 96.318°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 21:50:23 UTC
2.5ml
Rat Islands, Aleutian Islands, Alaska
51.765°, 178.178°
66.3 km---✓ ReviewedUSGS →
At 21:50 UTC on May 27, 2026, a magnitude 2.5 tremor occurred near Rat Islands, Aleutian Islands, Alaska. The event originated approximately 66.3 km below the surface, classifying it as shallow crustal. The epicenter is at 51.765°, 178.178°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 21:37:38 UTC
4.6mb
South Sandwich Islands region
-58.169°, -26.017°
98.8 km---✓ ReviewedUSGS →
A magnitude 4.6 seismic event took place in the South Sandwich Islands region on May 27, 2026 at 21:37 UTC. The hypocenter lay at 98.8 km, placing this in the intermediate depth category. Coordinates: -58.169°, -26.017°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 21:30:40 UTC
2.4ml
45 km ESE of Nabesna, Alaska
62.226°, -142.203°
5.0 km---✓ ReviewedUSGS →
A magnitude 2.4 earthquake was recorded 45 km ESE of Nabesna, Alaska on May 27, 2026 at 21:30 UTC. At a depth of 5.0 km, the event was shallow crustal. Geolocation places the event at 62.226°N, -142.203°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 21:11:14 UTC
2.5ml
109 km N of Yakutat, Alaska
60.521°, -140.000°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.5 earthquake 109 km N of Yakutat, Alaska at 21:11 UTC on May 27, 2026. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.521°N, -140.000°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 20:50:08 UTC
2.1ml
94 km N of Yakutat, Alaska
60.388°, -139.468°
2.3 km---✓ ReviewedUSGS →
A magnitude 2.1 seismic event took place 94 km N of Yakutat, Alaska on May 27, 2026 at 20:50 UTC. 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. At a depth of just 2.3 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 60.388°, -139.468°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 20:46:55 UTC
4.4mb
206 km SSE of Waipawa, New Zealand
-43.051°, 176.694°
10.0 km---✓ ReviewedUSGS →
This magnitude 4.4 event was detected 206 km SSE of Waipawa, New Zealand on May 27, 2026, with origin time 20:46 UTC. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. Geolocation places the event at -43.051°N, 176.694°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 20:18:26 UTC
2.5ml
5 km SE of Ratliff City, Oklahoma
34.423°, -97.465°
4.9 km---✓ ReviewedUSGS →
On May 27, 2026 at 20:18 UTC, a magnitude 2.5 earthquake struck 5 km SE of Ratliff City, Oklahoma. At a depth of just 4.9 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 34.423°, -97.465°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 20:16:56 UTC
2.0ml
11 km WNW of Calipatria, CA
33.159°, -115.622°
5.2 km---✓ ReviewedUSGS →
On May 27, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 11 km WNW of Calipatria, CA at 20:16 UTC. This was a shallow crustal earthquake, focused at 5.2 km depth. Coordinates: 33.159°, -115.622°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 19:56:37 UTC
2.5ml
2 km N of Tanaina, Alaska
61.648°, -149.432°
29.0 km2--✓ ReviewedUSGS →
This magnitude 2.5 event was detected 2 km N of Tanaina, Alaska on May 27, 2026, with origin time 19:56 UTC. A small number of nearby observers (2) submitted felt reports to the USGS. The hypocenter lay at 29.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 61.648°, -149.432°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 19:48:46 UTC
2.5ml
154 km WSW of Adak, Alaska
51.164°, -178.548°
35.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.5 earthquake 154 km WSW of Adak, Alaska came in on May 27, 2026 at 19:48 UTC. At a depth of 35.0 km, the event was shallow crustal. The epicenter is at 51.164°, -178.548°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 19:09:53 UTC
5.3mww
280 km WNW of Neiafu, Tonga
-18.041°, -176.563°
10.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 5.3 earthquake 280 km WNW of Neiafu, Tonga with origin time 19:09 UTC on May 27, 2026. It ranks as the third largest event in the current dataset. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -18.041°, -176.563°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 18:53:05 UTC
2.5ml
100 km N of Yakutat, Alaska
60.447°, -139.516°
5.0 km---✓ ReviewedUSGS →
A magnitude 2.5 seismic event took place 100 km N of Yakutat, Alaska on May 27, 2026 at 18:53 UTC. The event originated approximately 5.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 60.447°N, -139.516°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 18:51:26 UTC
2.7ml
75 km SSE of King Cove, Alaska
54.433°, -161.875°
17.9 km---✓ ReviewedUSGS →
At 18:51 UTC on May 27, 2026, a magnitude 2.7 tremor occurred 75 km SSE of King Cove, Alaska. The hypocenter lay at 17.9 km, placing this in the shallow crustal category. Coordinates: 54.433°, -161.875°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 18:24:25 UTC
2.9ml
17 km WSW of Johannesburg, CA
35.316°, -117.814°
7.8 km---✓ ReviewedUSGS →
A magnitude 2.9 seismic event took place 17 km WSW of Johannesburg, CA on May 27, 2026 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. The event originated approximately 7.8 km below the surface, classifying it as shallow crustal. Coordinates: 35.316°, -117.814°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 18:17:48 UTC
3.0ml
174 km S of Atka, Alaska
50.632°, -174.020°
10.0 km---✓ ReviewedUSGS →
A magnitude 3.0 earthquake was recorded 174 km S of Atka, Alaska on May 27, 2026 at 18:17 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 50.632°N, -174.020°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 18:02:59 UTC
3.2ml
114 km SW of Inuvik, Canada
67.740°, -135.916°
14.9 km---✓ ReviewedUSGS →
Reports of a magnitude 3.2 earthquake 114 km SW of Inuvik, Canada came in on May 27, 2026 at 18:02 UTC. This was a shallow crustal earthquake, focused at 14.9 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 67.740°, -135.916°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:53:45 UTC
3.4ml
28 km SSE of Hope, New Mexico
32.567°, -104.642°
6.2 km-IV-✓ ReviewedUSGS →
The USGS recorded this magnitude 3.4 earthquake 28 km SSE of Hope, New Mexico at 17:53 UTC on May 27, 2026. On the Modified Mercalli scale, shaking reached 4.3 — considered moderate. At a depth of 6.2 km, the event was shallow crustal. Geolocation places the event at 32.567°N, -104.642°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:51:26 UTC
2.2ml
52 km SSW of Glacier View, Alaska
61.352°, -147.883°
1.0 km1--✓ ReviewedUSGS →
On May 27, 2026 at 17:51 UTC, a magnitude 2.2 earthquake struck 52 km SSW of Glacier View, Alaska. At a depth of just 1.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. A small number of nearby observers (1) submitted felt reports to the USGS. Geolocation places the event at 61.352°N, -147.883°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:49:13 UTC
2.0ml
98 km N of Yakutat, Alaska
60.429°, -139.538°
3.1 km---✓ ReviewedUSGS →
This magnitude 2.0 event was detected 98 km N of Yakutat, Alaska on May 27, 2026, with origin time 17:49 UTC. At a depth of just 3.1 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.429°, -139.538°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:36:32 UTC
2.6ml
44 km NW of Toyah, Texas
31.618°, -104.103°
6.5 km---✓ ReviewedUSGS →
May 27, 2026 brought a magnitude 2.6 earthquake 44 km NW of Toyah, Texas, logged at 17:36 UTC. At a depth of 6.5 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 31.618°N, -104.103°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:28:29 UTC
2.1md
6 km S of Salinas, Puerto Rico
17.923°, -66.288°
18.5 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.1 earthquake 6 km S of Salinas, Puerto Rico with origin time 17:28 UTC on May 27, 2026. The event originated approximately 18.5 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 17.923°N, -66.288°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 17:10:24 UTC
4.5mb
49 km NW of Tamarindo, Costa Rica
10.585°, -86.190°
33.9 km---✓ ReviewedUSGS →
On May 27, 2026, worldwide seismic activity registered a magnitude 4.5 earthquake 49 km NW of Tamarindo, Costa Rica at 17:10 UTC. At a depth of 33.9 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 10.585°N, -86.190°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
6 days ago
2026-05-27 16:47:10 UTC
2.6ml
21 km N of Searles Valley, CA
35.954°, -117.388°
2.6 km---✓ ReviewedUSGS →
A magnitude 2.6 earthquake was recorded 21 km N of Searles Valley, CA on May 27, 2026 at 16:47 UTC. At a depth of just 2.6 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 35.954°, -117.388°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.6 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.