Earthquakes on September 30, 2025: 264 Worldwide, Largest M6.9

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-09-30 2025-09-30 23:30:33 UTC	2.6ml	9 km S of Susitna, Alaska 61.462°, -150.484°	55.1 km	-	-	-	Auto	USGS →
The USGS recorded this magnitude 2.6 earthquake 9 km S of Susitna, Alaska at 23:30 UTC on September 30, 2025. At a depth of 55.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 61.462°, -150.484°. The automatic solution is preliminary and may be refined as additional station data arrives. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 23:29:53 UTC	5.2mww	Kermadec Islands, New Zealand -30.642°, -177.583°	9.4 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.2 earthquake near Kermadec Islands, New Zealand with origin time 23:29 UTC on September 30, 2025. It ranks as the third largest event in the current dataset. The event originated approximately 9.4 km below the surface, classifying it as shallow crustal. Coordinates: -30.642°, -177.583°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 23:01:07 UTC	4.5mb	1 km S of Antipolo, Philippines 11.156°, 123.949°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 seismic event took place 1 km S of Antipolo, Philippines on September 30, 2025 at 23:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 6.9 earthquake that occurred about 9 hours earlier. 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. Geolocation places the event at 11.156°N, 123.949°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.
2025-09-30 2025-09-30 22:21:30 UTC	4.0mb	265 km NNE of Lospalos, Timor Leste -6.424°, 128.173°	381.8 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.0 earthquake 265 km NNE of Lospalos, Timor Leste at 22:21 UTC on September 30, 2025. At 381.8 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at -6.424°N, 128.173°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 21:09:29 UTC	4.4mb	128 km SE of Vilyuchinsk, Russia 52.020°, 159.579°	71.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place 128 km SE of Vilyuchinsk, Russia on September 30, 2025 at 21:09 UTC. The event originated approximately 71.9 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 52.020°, 159.579°. 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.
2025-09-30 2025-09-30 20:55:27 UTC	3.7mb	89 km E of Nikolski, Alaska 53.030°, -167.544°	81.7 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.7 earthquake 89 km E of Nikolski, Alaska came in on September 30, 2025 at 20:55 UTC. At a depth of 81.7 km, the event was intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at 53.030°, -167.544°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 20:44:39 UTC	4.3mb	1 km SE of Tabonok, Philippines 10.843°, 123.885°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 20:44 UTC on September 30, 2025, a magnitude 4.3 tremor occurred 1 km SE of Tabonok, Philippines. Coming 5 hours after a magnitude 4.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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: 10.843°, 123.885°. 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.
2025-09-30 2025-09-30 20:31:06 UTC	4.2mwr	79 km W of Ollagüe, Chile -21.317°, -69.011°	103.5 km	1	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 79 km W of Ollagüe, Chile on September 30, 2025 at 20:31 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. This was a intermediate depth earthquake, focused at 103.5 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -21.317°, -69.011°. 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.
2025-09-30 2025-09-30 20:27:32 UTC	4.3mb	2 km E of Ilihan, Philippines 10.900°, 123.997°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.3 earthquake 2 km E of Ilihan, Philippines at 20:27 UTC on September 30, 2025. It arrived roughly 6 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 10.900°, 123.997°. 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.
2025-09-30 2025-09-30 20:20:10 UTC	4.6mb	18 km W of Palompon, Philippines 11.062°, 124.216°	10.0 km	-	-	-	✓ Reviewed	USGS →
On September 30, 2025, worldwide seismic activity registered a magnitude 4.6 earthquake 18 km W of Palompon, Philippines at 20:20 UTC. Coming 6 hours after a magnitude 6.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. Coordinates: 11.062°, 124.216°. 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.
2025-09-30 2025-09-30 19:49:34 UTC	2.2ml	13 km SSE of Volcano, Hawaii 19.331°, -155.175°	6.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 earthquake was recorded 13 km SSE of Volcano, Hawaii on September 30, 2025 at 19:49 UTC. At a depth of 6.5 km, the event was shallow crustal. The epicenter is at 19.331°, -155.175°. 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.
2025-09-30 2025-09-30 19:49:26 UTC	4.3mb	western Indian-Antarctic Ridge -49.547°, 125.200°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.3 event was detected near western Indian-Antarctic Ridge on September 30, 2025, with origin time 19:49 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at -49.547°N, 125.200°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.
2025-09-30 2025-09-30 19:46:05 UTC	4.7mb	Ascension Island region -5.657°, -11.541°	10.0 km	-	-	-	✓ Reviewed	USGS →
September 30, 2025 brought a magnitude 4.7 earthquake in the Ascension Island region, logged at 19:46 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at -5.657°N, -11.541°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.
2025-09-30 2025-09-30 19:30:28 UTC	4.7mb	1 km NE of Medellin, Philippines 11.137°, 123.968°	10.0 km	1	-	-	✓ Reviewed	USGS →
On September 30, 2025 at 19:30 UTC, a magnitude 4.7 earthquake struck 1 km NE of Medellin, Philippines. Coming 6 hours after a magnitude 6.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. A small number of nearby observers (1) submitted felt reports to the USGS. 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: 11.137°, 123.968°. 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.
2025-09-30 2025-09-30 19:20:08 UTC	2.3ml	42 km NW of Toyah, Texas 31.566°, -104.136°	6.1 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.3 earthquake 42 km NW of Toyah, Texas came in on September 30, 2025 at 19:20 UTC. At a depth of 6.1 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 31.566°, -104.136°. 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.
2025-09-30 2025-09-30 18:40:02 UTC	4.6mb	8 km E of Calape, Philippines 11.164°, 124.107°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 18:40 UTC on September 30, 2025, a magnitude 4.6 tremor occurred 8 km E of Calape, Philippines. It arrived roughly 5 hours after a larger magnitude 6.9 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 11.164°, 124.107°. 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.
2025-09-30 2025-09-30 18:26:16 UTC	2.4md	3 km SSE of Pacifica, CA 37.589°, -122.467°	9.5 km	4	-	-	Auto	USGS →
This magnitude 2.4 event was detected 3 km SSE of Pacifica, CA on September 30, 2025, with origin time 18:26 UTC. A small number of nearby observers (4) submitted felt reports to the USGS. The hypocenter lay at 9.5 km, placing this in the shallow crustal category. Geolocation places the event at 37.589°N, -122.467°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.
2025-09-30 2025-09-30 18:20:27 UTC	2.1ml	12 km NNE of Pāhala, Hawaii 19.306°, -155.437°	28.1 km	-	-	-	✓ Reviewed	USGS →
At 18:20 UTC on September 30, 2025, a magnitude 2.1 tremor occurred 12 km NNE of Pāhala, Hawaii. It arrived roughly 18 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The hypocenter lay at 28.1 km, placing this in the shallow crustal category. The epicenter is at 19.306°, -155.437°. 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.
2025-09-30 2025-09-30 18:17:40 UTC	2.1md	3 km SE of Pacifica, CA 37.592°, -122.462°	8.8 km	1	-	-	Auto	USGS →
The USGS recorded this magnitude 2.1 earthquake 3 km SE of Pacifica, CA at 18:17 UTC on September 30, 2025. A small number of nearby observers (1) submitted felt reports to the USGS. 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 37.592°N, -122.462°E. 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.
2025-09-30 2025-09-30 18:15:26 UTC	4.5mb	south of the Fiji Islands -24.547°, 179.794°	549.7 km	-	-	-	✓ Reviewed	USGS →
September 30, 2025 brought a magnitude 4.5 earthquake south of the Fiji Islands, logged at 18:15 UTC. At 549.7 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: -24.547°, 179.794°. 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.
2025-09-30 2025-09-30 17:50:30 UTC	5.1mb	206 km S of ‘Ohonua, Tonga -23.197°, -175.190°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 5.1 earthquake 206 km S of ‘Ohonua, Tonga at 17:50 UTC on September 30, 2025. 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: -23.197°, -175.190°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 17:30:55 UTC	4.4mb	5 km E of San Isidro, Philippines 11.411°, 124.401°	10.0 km	-	-	-	✓ Reviewed	USGS →
September 30, 2025 brought a magnitude 4.4 earthquake 5 km E of San Isidro, Philippines, logged at 17:30 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. The epicenter is at 11.411°, 124.401°. 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.
2025-09-30 2025-09-30 17:15:56 UTC	4.4mb	31 km SE of Kalianget, Indonesia -7.269°, 114.135°	10.0 km	2	-	-	✓ Reviewed	USGS →
On September 30, 2025 at 17:15 UTC, a magnitude 4.4 earthquake struck 31 km SE of Kalianget, Indonesia. This event falls inside the aftershock decay of a nearby magnitude 6.0 earthquake that occurred about 1 hours earlier. A small number of nearby observers (2) submitted felt reports to the USGS. 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. Geolocation places the event at -7.269°N, 114.135°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.
2025-09-30 2025-09-30 17:13:42 UTC	3.1ml	37 km ESE of Malaga, New Mexico 32.077°, -103.718°	7.5 km	1	-	-	✓ Reviewed	USGS →
On September 30, 2025 at 17:13 UTC, a magnitude 3.1 earthquake struck 37 km ESE of Malaga, New Mexico. A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 7.5 km, placing this in the shallow crustal category. The epicenter is at 32.077°, -103.718°. 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.
2025-09-30 2025-09-30 16:49:43 UTC	6.0mww	31 km ESE of Kalianget, Indonesia -7.203°, 114.184°	19.5 km	60	VI	green	✓ Reviewed	USGS →
A magnitude 6.0 earthquake was recorded 31 km ESE of Kalianget, Indonesia on September 30, 2025 at 16:49 UTC. On the Modified Mercalli scale, shaking reached 6.3 — considered very strong. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. Nearby residents submitted 60 felt reports to the USGS DYFI platform. It ranks as the second largest event in the current dataset. At a depth of 19.5 km, the event was shallow crustal. Geolocation places the event at -7.203°N, 114.184°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 16:48:53 UTC	4.7mb	18 km ESE of Anonang, Philippines 10.949°, 124.190°	9.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 earthquake was recorded 18 km ESE of Anonang, Philippines on September 30, 2025 at 16:48 UTC. It arrived roughly 3 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. At a depth of 9.9 km, the event was shallow crustal. The epicenter is at 10.949°, 124.190°. 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.
2025-09-30 2025-09-30 16:46:17 UTC	4.1mb	Mariana Islands region 21.608°, 143.036°	314.4 km	-	-	-	✓ Reviewed	USGS →
On September 30, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake in the Mariana Islands region at 16:46 UTC. At 314.4 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Coordinates: 21.608°, 143.036°. 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.
2025-09-30 2025-09-30 16:43:08 UTC	5.0mb	175 km SSE of Vilyuchinsk, Russia 51.615°, 159.816°	29.2 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 5.0 earthquake 175 km SSE of Vilyuchinsk, Russia came in on September 30, 2025 at 16:43 UTC. This was a shallow crustal earthquake, focused at 29.2 km depth. Geolocation places the event at 51.615°N, 159.816°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 16:34:32 UTC	4.9mb	17 km WSW of Villaba, Philippines 11.153°, 124.240°	10.0 km	5	-	-	✓ Reviewed	USGS →
On September 30, 2025 at 16:34 UTC, a magnitude 4.9 earthquake struck 17 km WSW of Villaba, Philippines. This event falls inside the aftershock decay of a nearby magnitude 6.9 earthquake that occurred about 3 hours earlier. A small number of nearby observers (5) submitted felt reports to the USGS. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 11.153°N, 124.240°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-30 2025-09-30 16:31:44 UTC	4.5mb	1 km S of Maya, Philippines 11.261°, 124.055°	10.0 km	-	-	-	✓ Reviewed	USGS →
On September 30, 2025 at 16:31 UTC, a magnitude 4.5 earthquake struck 1 km S of Maya, Philippines. It arrived roughly 3 hours after a larger magnitude 6.9 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. The epicenter is at 11.261°, 124.055°. 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.

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 September 30, 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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