Earthquakes on September 23, 2025: 228 Worldwide, Largest M5.6

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2025-09-23 2025-09-23 23:52:04 UTC	4.3mb	136 km ENE of Petropavlovsk-Kamchatsky, Russia 53.726°, 160.357°	17.1 km	-	-	-	✓ Reviewed	USGS →
On September 23, 2025 at 23:52 UTC, a magnitude 4.3 earthquake struck 136 km ENE of Petropavlovsk-Kamchatsky, Russia. The event originated approximately 17.1 km below the surface, classifying it as shallow crustal. The epicenter is at 53.726°, 160.357°. 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.
2025-09-23 2025-09-23 23:32:12 UTC	2.3ml	12 km SE of Pearsall, Texas 28.813°, -99.006°	2.3 km	-	-	-	✓ Reviewed	USGS →
September 23, 2025 brought a magnitude 2.3 earthquake 12 km SE of Pearsall, Texas, logged at 23:32 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. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 28.813°, -99.006°. 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.
2025-09-23 2025-09-23 23:27:46 UTC	4.4mb	154 km WNW of Tobelo, Indonesia 2.286°, 126.740°	51.3 km	-	-	-	✓ Reviewed	USGS →
At 23:27 UTC on September 23, 2025, a magnitude 4.4 tremor occurred 154 km WNW of Tobelo, Indonesia. The hypocenter lay at 51.3 km, placing this in the shallow crustal category. The epicenter is at 2.286°, 126.740°. 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.
2025-09-23 2025-09-23 23:23:39 UTC	4.3mb	74 km NNE of Marybank, New Zealand -40.622°, 173.702°	124.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 74 km NNE of Marybank, New Zealand on September 23, 2025 at 23:23 UTC. This was a intermediate depth earthquake, focused at 124.3 km depth. Geolocation places the event at -40.622°N, 173.702°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.
2025-09-23 2025-09-23 23:19:26 UTC	2.2ml	9 km E of Lincoln Beach, Oregon 44.836°, -123.927°	-0.1 km	-	-	-	✓ Reviewed	USGS →
On September 23, 2025, worldwide seismic activity registered a magnitude 2.2 earthquake 9 km E of Lincoln Beach, Oregon at 23:19 UTC. At a depth of just -0.1 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. The epicenter is at 44.836°, -123.927°. 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.
2025-09-23 2025-09-23 23:07:54 UTC	2.2ml	8 km S of Pearsall, Texas 28.815°, -99.087°	4.4 km	-	-	-	✓ Reviewed	USGS →
At 23:07 UTC on September 23, 2025, a magnitude 2.2 tremor occurred 8 km S of Pearsall, Texas. At a depth of just 4.4 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 28.815°N, -99.087°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.
2025-09-23 2025-09-23 22:53:08 UTC	4.4mb	117 km WSW of Kirakira, Solomon Islands -10.926°, 160.960°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.4 earthquake 117 km WSW of Kirakira, Solomon Islands at 22:53 UTC on September 23, 2025. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at -10.926°N, 160.960°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.
2025-09-23 2025-09-23 22:27:50 UTC	4.6mww	8 km WSW of Sındırgı, Turkey 39.216°, 28.087°	27.2 km	3	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded 8 km WSW of Sındırgı, Turkey on September 23, 2025 at 22:27 UTC. A small number of nearby observers (3) submitted felt reports to the USGS. This was a shallow crustal earthquake, focused at 27.2 km depth. Coordinates: 39.216°, 28.087°. 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.
2025-09-23 2025-09-23 22:26:03 UTC	2.2md	13 km S of Midtown, Tennessee 35.757°, -84.592°	8.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 earthquake was recorded 13 km S of Midtown, Tennessee on September 23, 2025 at 22:26 UTC. At a depth of 8.3 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 35.757°N, -84.592°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.
2025-09-23 2025-09-23 22:03:50 UTC	4.5mb	254 km SE of Sarangani, Philippines 3.891°, 127.195°	42.9 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake 254 km SE of Sarangani, Philippines came in on September 23, 2025 at 22:03 UTC. At a depth of 42.9 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 3.891°, 127.195°. 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.
2025-09-23 2025-09-23 21:52:15 UTC	5.0mww	175 km SSW of Puerto El Triunfo, El Salvador 11.898°, -89.343°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 5.0 event was detected 175 km SSW of Puerto El Triunfo, El Salvador on September 23, 2025, with origin time 21:52 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. The epicenter is at 11.898°, -89.343°. 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.
2025-09-23 2025-09-23 21:27:02 UTC	4.5mb	100 km SSW of Severo-Kuril’sk, Russia 49.801°, 155.779°	82.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 seismic event took place 100 km SSW of Severo-Kuril’sk, Russia on September 23, 2025 at 21:27 UTC. The event originated approximately 82.1 km below the surface, classifying it as intermediate depth. The epicenter is at 49.801°, 155.779°. 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.
2025-09-23 2025-09-23 21:05:27 UTC	4.4mb	78 km SSW of San Juan, Peru -16.006°, -75.475°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.4 event was detected 78 km SSW of San Juan, Peru on September 23, 2025, with origin time 21:05 UTC. The event originated approximately 10.0 km below the surface, classifying it as shallow crustal. Coordinates: -16.006°, -75.475°. 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.
2025-09-23 2025-09-23 20:35:03 UTC	4.6mb	152 km SSE of Vilyuchinsk, Russia 51.654°, 159.212°	35.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.6 earthquake 152 km SSE of Vilyuchinsk, Russia with origin time 20:35 UTC on September 23, 2025. The hypocenter lay at 35.5 km, placing this in the shallow crustal category. The epicenter is at 51.654°, 159.212°. 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.
2025-09-23 2025-09-23 19:56:45 UTC	4.5mb	166 km SSW of Hihifo, Tonga -17.208°, -174.659°	206.5 km	-	-	-	✓ Reviewed	USGS →
September 23, 2025 brought a magnitude 4.5 earthquake 166 km SSW of Hihifo, Tonga, logged at 19:56 UTC. This was a intermediate depth earthquake, focused at 206.5 km depth. Geolocation places the event at -17.208°N, -174.659°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.
2025-09-23 2025-09-23 19:54:41 UTC	4.9mb	42 km ESE of Tambolaka, Indonesia -9.612°, 119.581°	67.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.9 seismic event took place 42 km ESE of Tambolaka, Indonesia on September 23, 2025 at 19:54 UTC. The hypocenter lay at 67.7 km, placing this in the shallow crustal category. Coordinates: -9.612°, 119.581°. 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.
2025-09-23 2025-09-23 18:59:36 UTC	3.1ml	13 km ENE of Wright, Wyoming 43.788°, -105.338°	0.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.1 earthquake was recorded 13 km ENE of Wright, Wyoming on September 23, 2025 at 18:59 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 43.788°, -105.338°. 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.
2025-09-23 2025-09-23 18:50:36 UTC	4.4mb	198 km WSW of Tual, Indonesia -6.242°, 131.072°	35.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.4 earthquake 198 km WSW of Tual, Indonesia came in on September 23, 2025 at 18:50 UTC. This was a shallow crustal earthquake, focused at 35.0 km depth. The epicenter is at -6.242°, 131.072°. 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.
2025-09-23 2025-09-23 18:09:24 UTC	4.3mb	Kepulauan Babar, Indonesia -7.016°, 129.600°	145.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake near Kepulauan Babar, Indonesia with origin time 18:09 UTC on September 23, 2025. The hypocenter lay at 145.8 km, placing this in the intermediate depth category. Coordinates: -7.016°, 129.600°. 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.
2025-09-23 2025-09-23 18:04:26 UTC	4.4mb	153 km NNW of Hihifo, Tonga -14.801°, -174.593°	234.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place 153 km NNW of Hihifo, Tonga on September 23, 2025 at 18:04 UTC. The hypocenter lay at 234.0 km, placing this in the intermediate depth category. Geolocation places the event at -14.801°N, -174.593°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.
2025-09-23 2025-09-23 17:42:18 UTC	3.0ml	33 km WSW of Ackerly, Texas 32.403°, -102.044°	8.1 km	3	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.0 earthquake 33 km WSW of Ackerly, Texas with origin time 17:42 UTC on September 23, 2025. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. A small number of nearby observers (3) submitted felt reports to the USGS. The hypocenter lay at 8.1 km, placing this in the shallow crustal category. Geolocation places the event at 32.403°N, -102.044°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.
2025-09-23 2025-09-23 17:39:19 UTC	5.6mww	47 km SSW of San Juan, Peru -15.774°, -75.297°	12.0 km	1	IV	green	✓ Reviewed	USGS →
On September 23, 2025 at 17:39 UTC, a magnitude 5.6 earthquake struck 47 km SSW of San Juan, Peru. 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 September 23, 2025. Maximum shaking intensity peaked at MMI 4.1 (moderate). A small number of nearby observers (1) submitted felt reports to the USGS. The hypocenter lay at 12.0 km, placing this in the shallow crustal category. The epicenter is at -15.774°, -75.297°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-23 2025-09-23 17:26:32 UTC	4.6mb	172 km SSE of Vilyuchinsk, Russia 51.508°, 159.393°	35.0 km	-	-	-	✓ Reviewed	USGS →
On September 23, 2025, worldwide seismic activity registered a magnitude 4.6 earthquake 172 km SSE of Vilyuchinsk, Russia at 17:26 UTC. At a depth of 35.0 km, the event was shallow crustal. Geolocation places the event at 51.508°N, 159.393°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.
2025-09-23 2025-09-23 17:24:20 UTC	3.8mb	98 km SW of Adak, Alaska 51.234°, -177.606°	43.3 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.8 earthquake 98 km SW of Adak, Alaska came in on September 23, 2025 at 17:24 UTC. This was a shallow crustal earthquake, focused at 43.3 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 51.234°, -177.606°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2025-09-23 2025-09-23 17:15:21 UTC	4.6mb	59 km ENE of Petropavlovsk-Kamchatsky, Russia 53.177°, 159.503°	73.3 km	-	-	-	✓ Reviewed	USGS →
At 17:15 UTC on September 23, 2025, a magnitude 4.6 tremor occurred 59 km ENE of Petropavlovsk-Kamchatsky, Russia. The event originated approximately 73.3 km below the surface, classifying it as intermediate depth. Coordinates: 53.177°, 159.503°. 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.
2025-09-23 2025-09-23 17:08:15 UTC	4.5mb	85 km NW of Uken, Japan 28.816°, 128.584°	147.3 km	-	-	-	✓ Reviewed	USGS →
On September 23, 2025 at 17:08 UTC, a magnitude 4.5 earthquake struck 85 km NW of Uken, Japan. The hypocenter lay at 147.3 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: 28.816°, 128.584°. 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.
2025-09-23 2025-09-23 17:08:10 UTC	4.8mb	281 km NE of Lospalos, Timor Leste -6.405°, 128.421°	352.6 km	-	-	-	✓ Reviewed	USGS →
On September 23, 2025 at 17:08 UTC, a magnitude 4.8 earthquake struck 281 km NE of Lospalos, Timor Leste. At 352.6 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. Geolocation places the event at -6.405°N, 128.421°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.
2025-09-23 2025-09-23 16:47:53 UTC	4.4mb	28 km NNE of Tasiilaq, Greenland 65.858°, -37.470°	10.0 km	-	-	-	✓ Reviewed	USGS →
September 23, 2025 brought a magnitude 4.4 earthquake 28 km NNE of Tasiilaq, Greenland, logged at 16:47 UTC. At a depth of 10.0 km, the event was shallow crustal. Coordinates: 65.858°, -37.470°. 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.
2025-09-23 2025-09-23 16:45:25 UTC	4.5mb	Pacific-Antarctic Ridge -62.229°, -154.841°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 earthquake was recorded near Pacific-Antarctic Ridge on September 23, 2025 at 16:45 UTC. At a depth of 10.0 km, the event was shallow crustal. The epicenter is at -62.229°, -154.841°. 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.
2025-09-23 2025-09-23 16:33:22 UTC	2.0ml	16 km NNE of Barstow, CA 35.035°, -116.989°	2.2 km	1	-	-	✓ Reviewed	USGS →
September 23, 2025 brought a magnitude 2.0 earthquake 16 km NNE of Barstow, CA, logged at 16:33 UTC. At a depth of just 2.2 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. The epicenter is at 35.035°, -116.989°. 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 September 23, 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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