Earthquakes on February 18, 2026: 229 Worldwide, Largest M5.2

Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2026-02-18 2026-02-18 23:36:44 UTC	4.8mb	182 km SSW of Severo-Kuril’sk, Russia 49.264°, 154.826°	82.2 km	-	-	-	✓ Reviewed	USGS →
At 23:36 UTC on February 18, 2026, a magnitude 4.8 tremor occurred 182 km SSW of Severo-Kuril’sk, Russia. It ranks as the fifth largest event in the current dataset. The hypocenter lay at 82.2 km, placing this in the intermediate depth category. Geolocation places the event at 49.264°N, 154.826°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.
2026-02-18 2026-02-18 23:26:12 UTC	2.8ml	129 km SE of Chignik, Alaska 55.462°, -156.962°	8.8 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.8 earthquake 129 km SE of Chignik, Alaska came in on February 18, 2026 at 23:26 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 55.462°N, -156.962°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.
2026-02-18 2026-02-18 22:40:28 UTC	4.5mwr	81 km E of Tomioka, Japan 37.411°, 141.931°	41.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 earthquake was recorded 81 km E of Tomioka, Japan on February 18, 2026 at 22:40 UTC. This was a shallow crustal earthquake, focused at 41.3 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 37.411°, 141.931°. 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.
2026-02-18 2026-02-18 21:55:21 UTC	2.3ml	107 km E of Nikolski, Alaska 52.982°, -167.263°	27.2 km	-	-	-	✓ Reviewed	USGS →
On February 18, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 107 km E of Nikolski, Alaska at 21:55 UTC. At a depth of 27.2 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.982°, -167.263°. 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.
2026-02-18 2026-02-18 21:17:57 UTC	2.4ml	100 km SSE of Sand Point, Alaska 54.454°, -160.171°	35.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.4 event was detected 100 km SSE of Sand Point, Alaska on February 18, 2026, with origin time 21:17 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 6 hours earlier. The event originated approximately 35.0 km below the surface, classifying it as shallow crustal. Geolocation places the event at 54.454°N, -160.171°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 20:48:46 UTC	3.0ml	181 km S of Nikolski, Alaska 51.317°, -169.206°	10.0 km	-	I	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.0 earthquake 181 km S of Nikolski, Alaska with origin time 20:48 UTC on February 18, 2026. Peak ground motion corresponded to MMI 1.0, classified as weak shaking. 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: 51.317°, -169.206°. 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.
2026-02-18 2026-02-18 19:53:22 UTC	5.2mb	central Mid-Atlantic Ridge 2.920°, -31.440°	10.0 km	-	-	-	✓ Reviewed	USGS →
On February 18, 2026 at 19:53 UTC, a magnitude 5.2 earthquake struck near central Mid-Atlantic Ridge. It is the largest earthquake currently listed for worldwide seismic activity on February 18, 2026. The hypocenter lay at 10.0 km, placing this in the shallow crustal category. The epicenter is at 2.920°, -31.440°. 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.
2026-02-18 2026-02-18 19:32:14 UTC	4.7mb	63 km SE of San Pedro de Atacama, Chile -23.284°, -67.730°	140.1 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.7 event was detected 63 km SE of San Pedro de Atacama, Chile on February 18, 2026, with origin time 19:32 UTC. The event originated approximately 140.1 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 -23.284°, -67.730°. 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.
2026-02-18 2026-02-18 18:37:18 UTC	2.6ml	14 km ENE of Unalaska, Alaska 53.917°, -166.330°	92.5 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.6 earthquake 14 km ENE of Unalaska, Alaska with origin time 18:37 UTC on February 18, 2026. The event originated approximately 92.5 km below the surface, classifying it as intermediate depth. The epicenter is at 53.917°, -166.330°. 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.
2026-02-18 2026-02-18 18:34:46 UTC	2.9ml	22 km E of Koyukuk, Alaska 64.916°, -157.238°	4.9 km	-	-	-	✓ Reviewed	USGS →
At 18:34 UTC on February 18, 2026, a magnitude 2.9 tremor occurred 22 km E of Koyukuk, Alaska. At a depth of just 4.9 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 64.916°N, -157.238°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 17:54:41 UTC	2.4ml	51 km SSE of Perryville, Alaska 55.480°, -158.869°	44.9 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.4 earthquake 51 km SSE of Perryville, Alaska came in on February 18, 2026 at 17:54 UTC. This was a shallow crustal earthquake, focused at 44.9 km depth. Coordinates: 55.480°, -158.869°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 17:50:12 UTC	2.5ml	93 km SSW of False Pass, Alaska 54.144°, -164.171°	33.0 km	-	-	-	✓ Reviewed	USGS →
On February 18, 2026, worldwide seismic activity registered a magnitude 2.5 earthquake 93 km SSW of False Pass, Alaska at 17:50 UTC. This was a shallow crustal earthquake, focused at 33.0 km depth. Geolocation places the event at 54.144°N, -164.171°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.
2026-02-18 2026-02-18 17:38:38 UTC	2.9ml	29 km SW of Nikolski, Alaska 52.768°, -169.203°	32.2 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.9 earthquake 29 km SW of Nikolski, Alaska at 17:38 UTC on February 18, 2026. This was a shallow crustal earthquake, focused at 32.2 km depth. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 52.768°, -169.203°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 17:24:54 UTC	4.0mb	63 km S of Koróni, Greece 36.224°, 21.997°	45.1 km	-	-	-	✓ Reviewed	USGS →
On February 18, 2026 at 17:24 UTC, a magnitude 4.0 earthquake struck 63 km S of Koróni, Greece. The event originated approximately 45.1 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 36.224°, 21.997°. 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.
2026-02-18 2026-02-18 17:01:42 UTC	4.1mb	282 km E of Levuka, Fiji -18.058°, -178.016°	602.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.1 earthquake 282 km E of Levuka, Fiji came in on February 18, 2026 at 17:01 UTC. At 602.0 km, this is the deepest earthquake in the current dataset — firmly in the deep-focus category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. The epicenter is at -18.058°, -178.016°. 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.
2026-02-18 2026-02-18 16:22:03 UTC	2.4ml	127 km SSE of Sand Point, Alaska 54.281°, -159.741°	35.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.4 seismic event took place 127 km SSE of Sand Point, Alaska on February 18, 2026 at 16:22 UTC. The hypocenter lay at 35.0 km, placing this in the shallow crustal category. The epicenter is at 54.281°, -159.741°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 15:57:53 UTC	2.8ml	112 km N of Yakutat, Alaska 60.556°, -139.772°	5.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.8 seismic event took place 112 km N of Yakutat, Alaska on February 18, 2026 at 15:57 UTC. The event originated approximately 5.0 km below the surface, classifying it as shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 60.556°, -139.772°. 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.
2026-02-18 2026-02-18 15:46:02 UTC	2.9ml	94 km SSE of Sand Point, Alaska 54.548°, -159.972°	8.3 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.9 event was detected 94 km SSE of Sand Point, Alaska on February 18, 2026, with origin time 15:46 UTC. The hypocenter lay at 8.3 km, placing this in the shallow crustal category. The epicenter is at 54.548°, -159.972°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-02-18 2026-02-18 15:31:21 UTC	2.3md	4 km NW of The Geysers, CA 38.802°, -122.793°	2.9 km	-	-	-	Auto	USGS →
Reports of a magnitude 2.3 earthquake 4 km NW of The Geysers, CA came in on February 18, 2026 at 15:31 UTC. It arrived roughly 6 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. 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 38.802°, -122.793°. 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.
2026-02-18 2026-02-18 15:19:04 UTC	4.2mb	105 km E of Antofagasta, Chile -23.787°, -69.374°	75.6 km	-	-	-	✓ Reviewed	USGS →
On February 18, 2026, worldwide seismic activity registered a magnitude 4.2 earthquake 105 km E of Antofagasta, Chile at 15:19 UTC. This was a intermediate depth earthquake, focused at 75.6 km depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Coordinates: -23.787°, -69.374°. 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.
2026-02-18 2026-02-18 15:13:50 UTC	2.3ml	70 km SE of Pope-Vannoy Landing, Alaska 59.168°, -153.512°	98.9 km	-	-	-	✓ Reviewed	USGS →
At 15:13 UTC on February 18, 2026, a magnitude 2.3 tremor occurred 70 km SE of Pope-Vannoy Landing, Alaska. The event originated approximately 98.9 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 59.168°, -153.512°. 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.
2026-02-18 2026-02-18 15:05:11 UTC	2.1md	12 km S of Tres Pinos, CA 36.682°, -121.344°	5.5 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 12 km S of Tres Pinos, CA on February 18, 2026, with origin time 15:05 UTC. The event originated approximately 5.5 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 36.682°, -121.344°. 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.
2026-02-18 2026-02-18 15:00:32 UTC	4.2mb	108 km N of Ambon, Indonesia -2.729°, 128.014°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 15:00 UTC on February 18, 2026, a magnitude 4.2 tremor occurred 108 km N of Ambon, Indonesia. 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 -2.729°, 128.014°. 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.
2026-02-18 2026-02-18 14:16:16 UTC	4.2mb	180 km SSE of Attu Station, Alaska 51.319°, 174.056°	10.0 km	-	I	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.2 earthquake 180 km SSE of Attu Station, Alaska at 14:16 UTC on February 18, 2026. On the Modified Mercalli scale, shaking reached 1.9 — considered weak. At a depth of 10.0 km, the event was shallow crustal. Geolocation places the event at 51.319°N, 174.056°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.
2026-02-18 2026-02-18 14:08:40 UTC	4.3mb	9 km ESE of Fīrūzābād, Iran 28.820°, 52.668°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake 9 km ESE of Fīrūzābād, Iran came in on February 18, 2026 at 14:08 UTC. At a depth of 10.0 km, the event was shallow crustal. Coordinates: 28.820°, 52.668°. 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.
2026-02-18 2026-02-18 14:07:54 UTC	4.7mb	South Sandwich Islands region -55.895°, -26.336°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.7 earthquake in the South Sandwich Islands region came in on February 18, 2026 at 14:07 UTC. This was a shallow crustal earthquake, focused at 10.0 km depth. Geolocation places the event at -55.895°N, -26.336°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.
2026-02-18 2026-02-18 14:05:57 UTC	2.2ml	82 km SW of Unalaska, Alaska 53.402°, -167.486°	83.8 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 82 km SW of Unalaska, Alaska on February 18, 2026 at 14:05 UTC. The event originated approximately 83.8 km below the surface, classifying it as intermediate depth. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at 53.402°N, -167.486°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.
2026-02-18 2026-02-18 13:43:27 UTC	2.1md	3 km WSW of Fuig, Puerto Rico 17.977°, -66.949°	11.8 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.1 earthquake 3 km WSW of Fuig, Puerto Rico with origin time 13:43 UTC on February 18, 2026. The event originated approximately 11.8 km below the surface, classifying it as shallow crustal. Coordinates: 17.977°, -66.949°. 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.
2026-02-18 2026-02-18 13:11:09 UTC	4.1mb	99 km S of La Tirana, Chile -21.218°, -69.489°	101.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.1 seismic event took place 99 km S of La Tirana, Chile on February 18, 2026 at 13:11 UTC. The hypocenter lay at 101.0 km, placing this in the intermediate depth category. The offshore location combined with this depth is characteristic of seismicity along descending slabs. Geolocation places the event at -21.218°N, -69.489°E. 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.
2026-02-18 2026-02-18 13:08:34 UTC	2.4ml	32 km NW of Toyah, Texas 31.529°, -104.027°	7.1 km	-	-	-	✓ Reviewed	USGS →
February 18, 2026 brought a magnitude 2.4 earthquake 32 km NW of Toyah, Texas, logged at 13:08 UTC. 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 7.1 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 31.529°N, -104.027°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.4 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 February 18, 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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