Earthquakes on May 28, 2026: 197 Worldwide, Largest M5.3

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
5 days ago 2026-05-28 23:20:27 UTC	2.1ml	17 km ESE of Little Lake, CA 35.894°, -117.722°	8.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 17 km ESE of Little Lake, CA with origin time 23:20 UTC on May 28, 2026. The event originated approximately 8.3 km below the surface, classifying it as shallow crustal. Coordinates: 35.894°, -117.722°. 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.
5 days ago 2026-05-28 23:08:17 UTC	2.0ml	6 km SW of Tumalo, Oregon 44.119°, -121.394°	-1.4 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.0 earthquake 6 km SW of Tumalo, Oregon came in on May 28, 2026 at 23:08 UTC. At just -1.4 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. Geolocation places the event at 44.119°N, -121.394°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.
5 days ago 2026-05-28 22:00:13 UTC	4.3mb	10 km NNW of Trebinje, Bosnia and Herzegovina 42.797°, 18.285°	10.0 km	4	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 10 km NNW of Trebinje, Bosnia and Herzegovina on May 28, 2026 at 22:00 UTC. A small number of nearby observers (4) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: 42.797°, 18.285°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 20:59:11 UTC	4.6mb	31 km S of Cilacap, Indonesia -8.005°, 109.046°	81.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 seismic event took place 31 km S of Cilacap, Indonesia on May 28, 2026 at 20:59 UTC. The hypocenter lay at 81.1 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -8.005°, 109.046°. 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.
5 days ago 2026-05-28 20:58:55 UTC	3.1ml	12 km SSW of Snowville, Utah 41.862°, -112.775°	3.4 km	6	III	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.1 earthquake 12 km SSW of Snowville, Utah at 20:58 UTC on May 28, 2026. On the Modified Mercalli scale, shaking reached 3.2 — considered light. At a depth of just 3.4 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 (6) submitted felt reports to the USGS. Geolocation places the event at 41.862°N, -112.775°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 20:51:29 UTC	3.0md	105 km W of Ferndale, CA 40.631°, -125.508°	3.8 km	-	-	-	Auto	USGS →
On May 28, 2026 at 20:51 UTC, a magnitude 3.0 earthquake struck 105 km W of Ferndale, CA. At a depth of just 3.8 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 40.631°, -125.508°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 20:37:55 UTC	2.5ml	87 km SSW of Nikolski, Alaska 52.243°, -169.463°	22.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.5 earthquake 87 km SSW of Nikolski, Alaska with origin time 20:37 UTC on May 28, 2026. The event originated approximately 22.0 km below the surface, classifying it as shallow crustal. The epicenter is at 52.243°, -169.463°. 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.
5 days ago 2026-05-28 19:04:40 UTC	2.5ml	30 km SSW of Alamo, Nevada 37.121°, -115.327°	7.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.5 earthquake was recorded 30 km SSW of Alamo, Nevada on May 28, 2026 at 19:04 UTC. At a depth of 7.1 km, the event was shallow crustal. Coordinates: 37.121°, -115.327°. 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.
5 days ago 2026-05-28 18:40:45 UTC	2.1ml	96 km NW of Yakutat, Alaska 60.138°, -140.981°	2.9 km	-	-	-	✓ Reviewed	USGS →
On May 28, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 96 km NW of Yakutat, Alaska at 18:40 UTC. At a depth of just 2.9 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 60.138°, -140.981°. 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.
5 days ago 2026-05-28 18:22:37 UTC	2.3ml	61 km SW of Nikolski, Alaska 52.633°, -169.624°	42.7 km	-	-	-	✓ Reviewed	USGS →
At 18:22 UTC on May 28, 2026, a magnitude 2.3 tremor occurred 61 km SW of Nikolski, Alaska. The event originated approximately 42.7 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 52.633°, -169.624°. 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.
5 days ago 2026-05-28 18:17:23 UTC	3.0ml	28 km WNW of Whites City, New Mexico 32.284°, -104.646°	5.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.0 seismic event took place 28 km WNW of Whites City, New Mexico on May 28, 2026 at 18:17 UTC. The hypocenter lay at 5.1 km, placing this in the shallow crustal category. Geolocation places the event at 32.284°N, -104.646°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.
5 days ago 2026-05-28 18:15:04 UTC	3.1ml	163 km SW of Nikolski, Alaska 51.838°, -170.446°	20.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.1 event was detected 163 km SW of Nikolski, Alaska on May 28, 2026, with origin time 18:15 UTC. The event originated approximately 20.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 51.838°, -170.446°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 18:11:09 UTC	2.8ml	79 km SSE of Kokhanok, Alaska 58.823°, -154.093°	113.7 km	-	-	-	✓ Reviewed	USGS →
On May 28, 2026, worldwide seismic activity registered a magnitude 2.8 earthquake 79 km SSE of Kokhanok, Alaska at 18:11 UTC. At a depth of 113.7 km, the event was intermediate depth. The epicenter is at 58.823°, -154.093°. 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.
5 days ago 2026-05-28 18:04:16 UTC	2.2ml	17 km WSW of Johannesburg, CA 35.306°, -117.807°	7.4 km	-	-	-	✓ Reviewed	USGS →
On May 28, 2026 at 18:04 UTC, a magnitude 2.2 earthquake struck 17 km WSW of Johannesburg, CA. 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 hypocenter lay at 7.4 km, placing this in the shallow crustal category. The epicenter is at 35.306°, -117.807°. 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.
5 days ago 2026-05-28 17:57:19 UTC	4.7mb	154 km SW of Merizo Village, Guam 12.438°, 143.522°	36.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.7 earthquake 154 km SW of Merizo Village, Guam at 17:57 UTC on May 28, 2026. At a depth of 36.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 12.438°, 143.522°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 17:15:21 UTC	2.0ml	12 km SSE of Morse, Texas 35.965°, -101.407°	2.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 earthquake was recorded 12 km SSE of Morse, Texas on May 28, 2026 at 17:15 UTC. 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. Coordinates: 35.965°, -101.407°. 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.
5 days ago 2026-05-28 16:18:09 UTC	5.3mww	Revilla Gigedo Islands region 19.658°, -109.436°	10.0 km	-	-	-	✓ Reviewed	USGS →
On May 28, 2026 at 16:18 UTC, a magnitude 5.3 earthquake struck in the Revilla Gigedo Islands region. It is the largest earthquake currently listed for worldwide seismic activity on May 28, 2026. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 19.658°, -109.436°. 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.
5 days ago 2026-05-28 16:02:32 UTC	2.5ml	5 km SW of Prineville, Oregon 44.259°, -120.878°	-1.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 5 km SW of Prineville, Oregon on May 28, 2026, with origin time 16:02 UTC. At a depth of just -1.3 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. Geolocation places the event at 44.259°N, -120.878°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.
5 days ago 2026-05-28 16:00:56 UTC	2.3ml	98 km N of Yakutat, Alaska 60.425°, -139.578°	3.9 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.3 earthquake 98 km N of Yakutat, Alaska at 16:00 UTC on May 28, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 12 hours earlier. At a depth of just 3.9 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. Geolocation places the event at 60.425°N, -139.578°E. 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.
5 days ago 2026-05-28 15:20:47 UTC	2.6ml	140 km WSW of Adak, Alaska 51.373°, -178.493°	5.8 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.6 event was detected 140 km WSW of Adak, Alaska on May 28, 2026, with origin time 15:20 UTC. The hypocenter lay at 5.8 km, placing this in the shallow crustal category. The epicenter is at 51.373°, -178.493°. 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.
5 days ago 2026-05-28 15:07:48 UTC	4.8mb	South Sandwich Islands region -56.411°, -26.546°	80.0 km	-	-	-	✓ Reviewed	USGS →
At 15:07 UTC on May 28, 2026, a magnitude 4.8 tremor occurred in the South Sandwich Islands region. It ranks as the fifth largest event in the current dataset. The hypocenter lay at 80.0 km, placing this in the intermediate depth category. Geolocation places the event at -56.411°N, -26.546°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 14:52:20 UTC	2.3md	5 km WNW of The Geysers, CA 38.803°, -122.810°	1.8 km	-	-	-	Auto	USGS →
Seismographs logged a magnitude 2.3 earthquake 5 km WNW of The Geysers, CA with origin time 14:52 UTC on May 28, 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. At a depth of just 1.8 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Geolocation places the event at 38.803°N, -122.810°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 14:51:09 UTC	2.8md	15 km ENE of Red Bluff, CA 40.241°, -122.077°	9.7 km	-	-	-	Auto	USGS →
Seismographs logged a magnitude 2.8 earthquake 15 km ENE of Red Bluff, CA with origin time 14:51 UTC on May 28, 2026. The hypocenter lay at 9.7 km, placing this in the shallow crustal category. Coordinates: 40.241°, -122.077°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago 2026-05-28 14:50:43 UTC	2.0ml	16 km NE of Levelock, Alaska 59.234°, -156.675°	2.9 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake 16 km NE of Levelock, Alaska with origin time 14:50 UTC on May 28, 2026. At a depth of just 2.9 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 59.234°, -156.675°. 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.
5 days ago 2026-05-28 14:48:16 UTC	2.0ml	21 km SSE of Pāhala, Hawaii 19.038°, -155.364°	32.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 21 km SSE of Pāhala, Hawaii on May 28, 2026 at 14:48 UTC. The hypocenter lay at 32.6 km, placing this in the shallow crustal category. Coordinates: 19.038°, -155.364°. 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.
5 days ago 2026-05-28 14:47:36 UTC	2.8ml	47 km NNW of Tununak, Alaska 60.970°, -165.606°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 14:47 UTC on May 28, 2026, a magnitude 2.8 tremor occurred 47 km NNW of Tununak, Alaska. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 60.970°N, -165.606°E. 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.
5 days ago 2026-05-28 14:42:55 UTC	4.4mb	Fiji region -20.709°, -178.434°	565.1 km	-	-	-	✓ Reviewed	USGS →
May 28, 2026 brought a magnitude 4.4 earthquake in the Fiji region, logged at 14:42 UTC. At 565.1 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The epicenter is at -20.709°, -178.434°. 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.
5 days ago 2026-05-28 14:33:34 UTC	2.0ml	10 km SE of Pearsall, Texas 28.827°, -99.011°	8.8 km	-	-	-	✓ Reviewed	USGS →
On May 28, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 10 km SE of Pearsall, Texas at 14:33 UTC. At a depth of 8.8 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 28.827°N, -99.011°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.
5 days ago 2026-05-28 14:29:25 UTC	2.1ml	11 km E of Akhiok, Alaska 56.939°, -153.987°	26.6 km	-	-	-	✓ Reviewed	USGS →
At 14:29 UTC on May 28, 2026, a magnitude 2.1 tremor occurred 11 km E of Akhiok, Alaska. The hypocenter lay at 26.6 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 56.939°N, -153.987°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.
5 days ago 2026-05-28 14:12:18 UTC	2.0ml	104 km N of Yakutat, Alaska 60.473°, -140.005°	7.7 km	-	-	-	✓ Reviewed	USGS →
At 14:12 UTC on May 28, 2026, a magnitude 2.0 tremor occurred 104 km N of Yakutat, Alaska. The event originated approximately 7.7 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.473°, -140.005°. 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.

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 28, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.

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