Earthquakes on October 28, 2025: 194 Worldwide, Largest M6.4

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-10-28 2025-10-28 23:39:36 UTC	3.2md	77 km N of Brenas, Puerto Rico 19.165°, -66.441°	20.7 km	-	-	-	✓ Reviewed	USGS →
October 28, 2025 brought a magnitude 3.2 earthquake 77 km N of Brenas, Puerto Rico, logged at 23:39 UTC. At a depth of 20.7 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 19.165°N, -66.441°E. 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.
2025-10-28 2025-10-28 23:35:47 UTC	4.1mb	56 km NW of Shūsh, Iran 32.619°, 47.903°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 earthquake was recorded 56 km NW of Shūsh, Iran on October 28, 2025 at 23:35 UTC. At a depth of 10.0 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 32.619°, 47.903°. 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.
2025-10-28 2025-10-28 23:32:06 UTC	2.0ml	58 km NE of Valmy, Nevada 41.186°, -116.667°	8.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 58 km NE of Valmy, Nevada on October 28, 2025 at 23:32 UTC. It arrived roughly 1 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event originated approximately 8.5 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 41.186°, -116.667°. 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.
2025-10-28 2025-10-28 23:30:56 UTC	2.2ml	60 km NE of Valmy, Nevada 41.213°, -116.675°	9.3 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.2 earthquake 60 km NE of Valmy, Nevada came in on October 28, 2025 at 23:30 UTC. This was a shallow crustal earthquake, focused at 9.3 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 41.213°N, -116.675°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.
2025-10-28 2025-10-28 23:01:59 UTC	4.5mb	16 km NE of Bacolod, Philippines 9.016°, 126.414°	55.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 16 km NE of Bacolod, Philippines at 23:01 UTC on October 28, 2025. This was a shallow crustal earthquake, focused at 55.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 9.016°, 126.414°. 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.
2025-10-28 2025-10-28 22:43:57 UTC	4.3mb	204 km SE of Severo-Kuril’sk, Russia 49.405°, 158.195°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 204 km SE of Severo-Kuril’sk, Russia on October 28, 2025 at 22:43 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 49.405°N, 158.195°E. 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.
2025-10-28 2025-10-28 22:22:28 UTC	4.6mb	131 km W of Pangai, Tonga -19.594°, -175.582°	197.8 km	-	-	-	✓ Reviewed	USGS →
October 28, 2025 brought a magnitude 4.6 earthquake 131 km W of Pangai, Tonga, logged at 22:22 UTC. At a depth of 197.8 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -19.594°, -175.582°. 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.
2025-10-28 2025-10-28 22:06:53 UTC	2.0md	8 km E of Suisun City, CA 38.243°, -121.929°	0.5 km	-	-	-	Auto	USGS →
This magnitude 2.0 event was detected 8 km E of Suisun City, CA on October 28, 2025, with origin time 22:06 UTC. At a depth of just 0.5 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 38.243°N, -121.929°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 22:03:11 UTC	4.4mb	59 km SW of Jiquilillo, Nicaragua 12.377°, -87.847°	41.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.4 earthquake 59 km SW of Jiquilillo, Nicaragua with origin time 22:03 UTC on October 28, 2025. The event originated approximately 41.3 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 12.377°N, -87.847°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.
2025-10-28 2025-10-28 21:57:28 UTC	4.5mb	100 km W of Abepura, Indonesia -2.683°, 139.730°	35.6 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.5 event was detected 100 km W of Abepura, Indonesia on October 28, 2025, with origin time 21:57 UTC. The hypocenter lay at 35.6 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 -2.683°N, 139.730°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.
2025-10-28 2025-10-28 21:48:49 UTC	2.4md	1 km WSW of Wilkerson, CA 37.269°, -118.396°	1.1 km	-	-	-	Auto	USGS →
Seismographs logged a magnitude 2.4 earthquake 1 km WSW of Wilkerson, CA with origin time 21:48 UTC on October 28, 2025. At a depth of just 1.1 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. Coordinates: 37.269°, -118.396°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 21:40:41 UTC	2.8ml	22 km SSE of Sleepy Hollow, Wyoming 44.071°, -105.278°	0.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.8 earthquake was recorded 22 km SSE of Sleepy Hollow, Wyoming on October 28, 2025 at 21:40 UTC. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 44.071°, -105.278°. 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.
2025-10-28 2025-10-28 20:25:16 UTC	2.3ml	3 km WNW of Minto, Alaska 65.160°, -149.411°	12.7 km	-	-	-	Auto	USGS →
The USGS recorded this magnitude 2.3 earthquake 3 km WNW of Minto, Alaska at 20:25 UTC on October 28, 2025. At a depth of 12.7 km, the event was shallow crustal. Coordinates: 65.160°, -149.411°. 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.
2025-10-28 2025-10-28 20:02:51 UTC	4.2mb	272 km E of Levuka, Fiji -17.847°, -178.123°	505.5 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected 272 km E of Levuka, Fiji on October 28, 2025, with origin time 20:02 UTC. At 505.5 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -17.847°, -178.123°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 18:49:14 UTC	4.1mb	31 km ESE of Petropavlovsk-Kamchatsky, Russia 52.914°, 159.033°	83.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.1 earthquake 31 km ESE of Petropavlovsk-Kamchatsky, Russia with origin time 18:49 UTC on October 28, 2025. The event originated approximately 83.8 km below the surface, classifying it as intermediate depth. The epicenter is at 52.914°, 159.033°. 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.
2025-10-28 2025-10-28 18:28:04 UTC	2.3ml	24 km NNE of Larsen Bay, Alaska 57.755°, -153.898°	35.1 km	-	-	-	Auto	USGS →
This magnitude 2.3 event was detected 24 km NNE of Larsen Bay, Alaska on October 28, 2025, with origin time 18:28 UTC. The event originated approximately 35.1 km below the surface, classifying it as shallow crustal. The epicenter is at 57.755°, -153.898°. 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.
2025-10-28 2025-10-28 18:19:14 UTC	2.0md	2 km ENE of San Ramon, CA 37.787°, -121.960°	7.6 km	1	-	-	Auto	USGS →
The USGS recorded this magnitude 2.0 earthquake 2 km ENE of San Ramon, CA at 18:19 UTC on October 28, 2025. A small number of nearby observers (1) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 7.6 km depth. The epicenter is at 37.787°, -121.960°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 18:17:46 UTC	4.7mb	42 km N of Calingasta, Argentina -30.949°, -69.472°	109.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.7 earthquake 42 km N of Calingasta, Argentina came in on October 28, 2025 at 18:17 UTC. This was a intermediate depth earthquake, focused at 109.0 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at -30.949°N, -69.472°E. 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.
2025-10-28 2025-10-28 18:07:21 UTC	4.6mb	203 km N of Madang, Papua New Guinea -3.392°, 145.948°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2025 at 18:07 UTC, a magnitude 4.6 earthquake struck 203 km N of Madang, Papua New Guinea. The event originated approximately 10.0 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 -3.392°N, 145.948°E. 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.
2025-10-28 2025-10-28 17:56:41 UTC	2.1ml	43 km WSW of Anchor Point, Alaska 59.697°, -152.586°	90.2 km	-	-	-	Auto	USGS →
At 17:56 UTC on October 28, 2025, a magnitude 2.1 tremor occurred 43 km WSW of Anchor Point, Alaska. The event originated approximately 90.2 km below the surface, classifying it as intermediate depth. Coordinates: 59.697°, -152.586°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 17:44:15 UTC	2.0ml	37 km NNW of Toyah, Texas 31.611°, -103.978°	7.7 km	-	-	-	✓ Reviewed	USGS →
October 28, 2025 brought a magnitude 2.0 earthquake 37 km NNW of Toyah, Texas, logged at 17:44 UTC. This was a shallow crustal earthquake, focused at 7.7 km depth. Geolocation places the event at 31.611°N, -103.978°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.
2025-10-28 2025-10-28 17:32:19 UTC	4.3mb	103 km NE of Hihifo, Tonga -15.229°, -173.191°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake 103 km NE of Hihifo, Tonga with origin time 17:32 UTC on October 28, 2025. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: -15.229°, -173.191°. 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.
2025-10-28 2025-10-28 17:20:36 UTC	3.2ml	10 km ENE of Wright, Wyoming 43.780°, -105.369°	0.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.2 seismic event took place 10 km ENE of Wright, Wyoming on October 28, 2025 at 17:20 UTC. At a depth of just 0.0 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 43.780°, -105.369°. 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.
2025-10-28 2025-10-28 17:15:01 UTC	3.0ml	44 km SE of Denali National Park, Alaska 63.264°, -151.077°	0.0 km	-	-	-	Auto	USGS →
On October 28, 2025 at 17:15 UTC, a magnitude 3.0 earthquake struck 44 km SE of Denali National Park, Alaska. At a depth of just 0.0 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: 63.264°, -151.077°. 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.
2025-10-28 2025-10-28 16:54:34 UTC	2.4md	14 km E of Bodie, CA 38.193°, -118.852°	2.6 km	-	-	-	Auto	USGS →
At 16:54 UTC on October 28, 2025, a magnitude 2.4 tremor occurred 14 km E of Bodie, CA. 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. Geolocation places the event at 38.193°N, -118.852°E. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 15:48:30 UTC	4.2mb	65 km NE of Petropavlovsk-Kamchatsky, Russia 53.413°, 159.417°	77.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.2 earthquake 65 km NE of Petropavlovsk-Kamchatsky, Russia came in on October 28, 2025 at 15:48 UTC. At a depth of 77.0 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 53.413°N, 159.417°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 15:43:06 UTC	4.4mb	Norwegian Sea 72.489°, 3.099°	10.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake near Norwegian Sea at 15:43 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: 72.489°, 3.099°. 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.
2025-10-28 2025-10-28 15:11:06 UTC	2.5ml	23 km SSW of Mammoth, Wyoming 44.795°, -110.846°	5.2 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 23 km SSW of Mammoth, Wyoming on October 28, 2025, with origin time 15:11 UTC. Coming 2 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 5.2 km, placing this in the shallow crustal category. Coordinates: 44.795°, -110.846°. 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.
2025-10-28 2025-10-28 14:40:18 UTC	6.4mww	Banda Sea -6.700°, 129.989°	142.0 km	17	IV	green	✓ Reviewed	USGS →
On October 28, 2025 at 14:40 UTC, a magnitude 6.4 earthquake struck near Banda Sea. Of every earthquake currently listed for worldwide seismic activity, this one generated the most felt reports from the public. 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 October 28, 2025. 17 people reported feeling the earthquake via the USGS Did You Feel It? system. Maximum shaking intensity peaked at MMI 4.3 (moderate). The hypocenter lay at 142.0 km, placing this in the intermediate depth category. The epicenter is at -6.700°, 129.989°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M6.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-10-28 2025-10-28 14:34:28 UTC	2.2ml	19 km SSE of Pāhala, Hawaii 19.050°, -155.384°	32.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 19 km SSE of Pāhala, Hawaii on October 28, 2025 at 14:34 UTC. The hypocenter lay at 32.3 km, placing this in the shallow crustal category. Coordinates: 19.050°, -155.384°. 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.

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 October 28, 2025. 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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