Earthquakes on March 17, 2026: 262 Worldwide, Largest M5.8

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-03-17 2026-03-17 23:39:20 UTC	4.3mb	Izu Islands, Japan region 30.238°, 137.493°	492.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 seismic event took place in the Izu Islands, Japan region on March 17, 2026 at 23:39 UTC. At 492.7 km, this deep-focus earthquake originated far below the brittle crust, deep inside the mantle. Geolocation places the event at 30.238°N, 137.493°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.
2026-03-17 2026-03-17 23:27:57 UTC	4.9mb	19 km NNW of Port-Olry, Vanuatu -14.882°, 166.995°	85.7 km	1	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.9 earthquake 19 km NNW of Port-Olry, Vanuatu came in on March 17, 2026 at 23:27 UTC. A small number of nearby observers (1) submitted felt reports to the USGS. This was a intermediate depth earthquake, focused at 85.7 km depth. Geolocation places the event at -14.882°N, 166.995°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.
2026-03-17 2026-03-17 23:24:54 UTC	4.5mb	69 km SSE of Fuengirola, Spain 35.934°, -4.452°	81.7 km	12	-	-	✓ Reviewed	USGS →
This magnitude 4.5 event was detected 69 km SSE of Fuengirola, Spain on March 17, 2026, with origin time 23:24 UTC. Nearby residents submitted 12 felt reports to the USGS DYFI platform. The hypocenter lay at 81.7 km, placing this in the intermediate depth category. Geolocation places the event at 35.934°N, -4.452°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.
2026-03-17 2026-03-17 23:15:58 UTC	4.2mb	178 km NE of Lospalos, Timor Leste -7.498°, 128.250°	148.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.2 earthquake 178 km NE of Lospalos, Timor Leste with origin time 23:15 UTC on March 17, 2026. The event originated approximately 148.3 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -7.498°, 128.250°. 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.
2026-03-17 2026-03-17 23:08:40 UTC	3.0ml	235 km ESE of Attu Station, Alaska 52.023°, 176.381°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 3.0 earthquake 235 km ESE of Attu Station, Alaska came in on March 17, 2026 at 23:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 3 hours earlier. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 52.023°N, 176.381°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.
2026-03-17 2026-03-17 23:03:02 UTC	2.3md	7 km SSW of Yountville, CA 38.347°, -122.405°	7.0 km	12	-	-	✓ Reviewed	USGS →
A magnitude 2.3 earthquake was recorded 7 km SSW of Yountville, CA on March 17, 2026 at 23:03 UTC. Nearby residents submitted 12 felt reports to the USGS DYFI platform. This was a shallow crustal earthquake, focused at 7.0 km depth. Geolocation places the event at 38.347°N, -122.405°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.
2026-03-17 2026-03-17 22:46:44 UTC	2.2ml	133 km N of Yakutat, Alaska 60.738°, -139.949°	10.0 km	-	-	-	✓ Reviewed	USGS →
March 17, 2026 brought a magnitude 2.2 earthquake 133 km N of Yakutat, Alaska, logged at 22:46 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 60.738°, -139.949°. 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.
2026-03-17 2026-03-17 22:32:18 UTC	4.3mb	2 km N of Borbon, Philippines 10.859°, 124.028°	9.9 km	-	-	-	✓ Reviewed	USGS →
March 17, 2026 brought a magnitude 4.3 earthquake 2 km N of Borbon, Philippines, logged at 22:32 UTC. At a depth of 9.9 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 10.859°, 124.028°. 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.
2026-03-17 2026-03-17 22:24:42 UTC	2.0ml	110 km N of Yakutat, Alaska 60.531°, -139.957°	7.7 km	-	-	-	✓ Reviewed	USGS →
On March 17, 2026, worldwide seismic activity registered a magnitude 2.0 earthquake 110 km N of Yakutat, Alaska at 22:24 UTC. Coming 20 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. At a depth of 7.7 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.531°, -139.957°. 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.
2026-03-17 2026-03-17 21:55:23 UTC	2.7ml	21 km ESE of Naalehu, Hawaii 19.025°, -155.380°	33.7 km	-	-	-	✓ Reviewed	USGS →
At 21:55 UTC on March 17, 2026, a magnitude 2.7 tremor occurred 21 km ESE of Naalehu, Hawaii. The event originated approximately 33.7 km below the surface, classifying it as shallow crustal. Coordinates: 19.025°, -155.380°. 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.
2026-03-17 2026-03-17 21:24:44 UTC	4.3mb	275 km SSE of Ambon, Indonesia -6.079°, 128.901°	260.0 km	-	-	-	✓ Reviewed	USGS →
On March 17, 2026 at 21:24 UTC, a magnitude 4.3 earthquake struck 275 km SSE of Ambon, Indonesia. The event originated approximately 260.0 km below the surface, classifying it as intermediate depth. The epicenter is at -6.079°, 128.901°. 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.
2026-03-17 2026-03-17 21:13:32 UTC	4.4mb	77 km S of Kushiro, Japan 42.277°, 144.395°	35.0 km	-	-	-	✓ Reviewed	USGS →
March 17, 2026 brought a magnitude 4.4 earthquake 77 km S of Kushiro, Japan, logged at 21:13 UTC. This was a shallow crustal earthquake, focused at 35.0 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 42.277°N, 144.395°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.
2026-03-17 2026-03-17 20:55:33 UTC	4.3mb	48 km WSW of Novyy Uoyan, Russia 55.958°, 111.011°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 48 km WSW of Novyy Uoyan, Russia on March 17, 2026 at 20:55 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at 55.958°N, 111.011°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.
2026-03-17 2026-03-17 20:29:48 UTC	2.0ml	101 km E of McCarthy, Alaska 61.332°, -141.034°	8.2 km	-	-	-	✓ Reviewed	USGS →
At 20:29 UTC on March 17, 2026, a magnitude 2.0 tremor occurred 101 km E of McCarthy, Alaska. The event originated approximately 8.2 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 61.332°, -141.034°. 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.
2026-03-17 2026-03-17 20:25:26 UTC	4.7mb	20 km S of Golfito, Costa Rica 8.419°, -83.103°	10.0 km	6	-	-	✓ Reviewed	USGS →
On March 17, 2026 at 20:25 UTC, a magnitude 4.7 earthquake struck 20 km S of Golfito, Costa Rica. A small number of nearby observers (6) submitted felt reports to the USGS. 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 8.419°N, -83.103°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.
2026-03-17 2026-03-17 20:22:35 UTC	2.3ml	86 km SW of Nikolski, Alaska 52.433°, -169.832°	12.6 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.3 earthquake 86 km SW of Nikolski, Alaska with origin time 20:22 UTC on March 17, 2026. Coming 19 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The hypocenter lay at 12.6 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.433°, -169.832°. 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.
2026-03-17 2026-03-17 20:21:01 UTC	3.1ml	232 km ESE of Attu Station, Alaska 52.059°, 176.355°	23.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.1 earthquake was recorded 232 km ESE of Attu Station, Alaska on March 17, 2026 at 20:21 UTC. At a depth of 23.6 km, the event was shallow crustal. Geolocation places the event at 52.059°N, 176.355°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.
2026-03-17 2026-03-17 20:16:08 UTC	2.0ml	58 km S of Whites City, New Mexico 31.650°, -104.454°	7.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 58 km S of Whites City, New Mexico at 20:16 UTC on March 17, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 5 hours earlier. This was a shallow crustal earthquake, focused at 7.1 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 31.650°N, -104.454°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.
2026-03-17 2026-03-17 20:00:52 UTC	3.0ml	8 km NW of The Geysers, CA 38.829°, -122.814°	2.3 km	8	-	-	✓ Reviewed	USGS →
This magnitude 3.0 event was detected 8 km NW of The Geysers, CA on March 17, 2026, with origin time 20:00 UTC. In the 72 hours after this event, the USGS recorded 19 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. 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. A small number of nearby observers (8) submitted felt reports to the USGS. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. The epicenter is at 38.829°, -122.814°. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-03-17 2026-03-17 19:54:48 UTC	4.2mb	15 km ENE of Nueva Concepción, Guatemala 14.235°, -91.157°	82.9 km	-	-	-	✓ Reviewed	USGS →
On March 17, 2026, worldwide seismic activity registered a magnitude 4.2 earthquake 15 km ENE of Nueva Concepción, Guatemala at 19:54 UTC. This was a intermediate depth earthquake, focused at 82.9 km depth. Geolocation places the event at 14.235°N, -91.157°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.
2026-03-17 2026-03-17 19:53:57 UTC	5.0mb	Ascension Island region -10.474°, -13.119°	10.0 km	-	-	-	✓ Reviewed	USGS →
On March 17, 2026, worldwide seismic activity registered a magnitude 5.0 earthquake in the Ascension Island region at 19:53 UTC. It ranks as the fourth largest event in the current dataset. This was a shallow crustal earthquake, focused at 10.0 km depth. The epicenter is at -10.474°, -13.119°. 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.
2026-03-17 2026-03-17 19:34:52 UTC	2.3ml	11 km WNW of Tyonek, Alaska 61.111°, -151.336°	67.8 km	-	-	-	✓ Reviewed	USGS →
On March 17, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 11 km WNW of Tyonek, Alaska at 19:34 UTC. At a depth of 67.8 km, the event was shallow crustal. The epicenter is at 61.111°, -151.336°. 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.
2026-03-17 2026-03-17 19:25:53 UTC	2.3ml	2 km WSW of Ruth, Nevada 39.270°, -115.016°	0.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.3 earthquake 2 km WSW of Ruth, Nevada at 19:25 UTC on March 17, 2026. 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. Coordinates: 39.270°, -115.016°. 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.
2026-03-17 2026-03-17 19:19:08 UTC	4.7mb	Vanuatu region -13.530°, 172.102°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.7 earthquake was recorded in the Vanuatu region on March 17, 2026 at 19:19 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Coordinates: -13.530°, 172.102°. 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.
2026-03-17 2026-03-17 19:05:10 UTC	3.7mb	196 km SW of Nikolski, Alaska 51.488°, -170.509°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.7 earthquake 196 km SW of Nikolski, Alaska with origin time 19:05 UTC on March 17, 2026. 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 51.488°N, -170.509°E. 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.
2026-03-17 2026-03-17 18:53:52 UTC	2.0ml	7 km NW of Kalifornsky, Alaska 60.464°, -151.395°	62.5 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.0 event was detected 7 km NW of Kalifornsky, Alaska on March 17, 2026, with origin time 18:53 UTC. The hypocenter lay at 62.5 km, placing this in the shallow crustal category. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.464°, -151.395°. 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.
2026-03-17 2026-03-17 18:38:44 UTC	3.1ml	24 km E of Whittier, Alaska 60.794°, -148.244°	17.2 km	1	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.1 earthquake 24 km E of Whittier, Alaska with origin time 18:38 UTC on March 17, 2026. A small number of nearby observers (1) submitted felt reports to the USGS. The event originated approximately 17.2 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.794°, -148.244°. 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.
2026-03-17 2026-03-17 18:33:26 UTC	4.5mb	105 km NE of Cabodiongan, Philippines 13.445°, 125.600°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake 105 km NE of Cabodiongan, Philippines came in on March 17, 2026 at 18:33 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: 13.445°, 125.600°. 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.
2026-03-17 2026-03-17 18:25:43 UTC	2.1ml	Rat Islands, Aleutian Islands, Alaska 51.781°, 178.615°	96.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected near Rat Islands, Aleutian Islands, Alaska on March 17, 2026, with origin time 18:25 UTC. The event originated approximately 96.3 km below the surface, classifying it as intermediate depth. Geolocation places the event at 51.781°N, 178.615°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.
2026-03-17 2026-03-17 18:12:38 UTC	2.3ml	8 km NW of Prague, Oklahoma 35.547°, -96.749°	6.6 km	-	-	-	✓ Reviewed	USGS →
March 17, 2026 brought a magnitude 2.3 earthquake 8 km NW of Prague, Oklahoma, logged at 18:12 UTC. At a depth of 6.6 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 35.547°, -96.749°. 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.

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 March 17, 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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