Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2020-10-18 2020-10-18 23:50:31 UTC	2.5ml	11 km ENE of North Saanich, Canada 48.706°, -123.279°	16.5 km	8	-	-	✓ Reviewed	USGS →
This magnitude 2.5 event was detected 11 km ENE of North Saanich, Canada on October 18, 2020, with origin time 23:50 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 23:46:10 UTC	3.0ml	25 km WSW of Karluk, Alaska 57.458°, -154.822°	10.1 km	-	-	-	✓ Reviewed	USGS →
On October 18, 2020 at 23:46 UTC, a magnitude 3.0 earthquake struck 25 km WSW of Karluk, Alaska. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 23:42:55 UTC	2.1md	8 km SE of P?hala, Hawaii 19.158°, -155.413°	32.9 km	-	-	-	Auto	USGS →
On October 18, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 8 km SE of P?hala, Hawaii at 23:42 UTC. It arrived roughly 20 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 23:31:11 UTC	2.6md	Puerto Rico region 17.884°, -66.829°	14.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.6 earthquake in the Puerto Rico region with origin time 23:31 UTC on October 18, 2020. Coming 10 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 22:48:50 UTC	5.1mb	193 km SW of Sungai Penuh, Indonesia -3.402°, 100.273°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.1 earthquake 193 km SW of Sungai Penuh, Indonesia with origin time 22:48 UTC on October 18, 2020. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 22:48:13 UTC	2.4ml	22 km WNW of Stanley, Idaho 44.327°, -115.169°	13.1 km	-	-	-	✓ Reviewed	USGS →
On October 18, 2020 at 22:48 UTC, a magnitude 2.4 earthquake struck 22 km WNW of Stanley, Idaho. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 15 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 22:47:53 UTC	2.6ml	5 km SE of Fairview, Oklahoma 36.237°, -98.437°	7.3 km	2	-	-	✓ Reviewed	USGS →
A magnitude 2.6 earthquake was recorded 5 km SE of Fairview, Oklahoma on October 18, 2020 at 22:47 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 22:44:58 UTC	2.6md	11 km SSE of Maria Antonia, Puerto Rico 17.884°, -66.848°	14.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.6 earthquake 11 km SSE of Maria Antonia, Puerto Rico at 22:44 UTC on October 18, 2020. Coming 9 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 21:47:18 UTC	4.6mb	South Shetland Islands -62.377°, -58.594°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 seismic event took place near South Shetland Islands on October 18, 2020 at 21:47 UTC. Coming 22 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 21:22:45 UTC	3.2ml	129 km S of Unalaska, Alaska 52.715°, -166.727°	29.7 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.2 event was detected 129 km S of Unalaska, Alaska on October 18, 2020, with origin time 21:22 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 20:20:36 UTC	4.5mb	102 km NE of Kainantu, Papua New Guinea -5.714°, 146.589°	109.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 earthquake was recorded 102 km NE of Kainantu, Papua New Guinea on October 18, 2020 at 20:20 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 20:06:57 UTC	3.0ml	129 km WSW of Adak, Alaska 51.569°, -178.445°	18.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.0 earthquake was recorded 129 km WSW of Adak, Alaska on October 18, 2020 at 20:06 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 19:42:42 UTC	2.3ml	Rat Islands, Aleutian Islands, Alaska 51.337°, 178.078°	6.1 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.3 earthquake near Rat Islands, Aleutian Islands, Alaska at 19:42 UTC on October 18, 2020. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 19:04:16 UTC	3.2ml	7km NW of Delta, B.C., MX 32.396°, -115.251°	7.4 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 3.2 earthquake 7km NW of Delta, B.C., MX at 19:04 UTC on October 18, 2020. It arrived roughly 9 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 18:46:01 UTC	2.2ml	36 km SE of Mina, Nevada 38.175°, -117.790°	4.2 km	-	-	-	✓ Reviewed	USGS →
On October 18, 2020 at 18:46 UTC, a magnitude 2.2 earthquake struck 36 km SE of Mina, Nevada. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 18:28:14 UTC	2.5md	3 km WSW of Guánica, Puerto Rico 17.960°, -66.938°	12.0 km	-	-	-	✓ Reviewed	USGS →
October 18, 2020 brought a magnitude 2.5 earthquake 3 km WSW of Guánica, Puerto Rico, logged at 18:28 UTC. It arrived roughly 5 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:59:50 UTC	2.3ml	225 km S of Yakutat, Alaska 57.559°, -140.491°	12.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.3 event was detected 225 km S of Yakutat, Alaska on October 18, 2020, with origin time 17:59 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:56:27 UTC	2.4md	12 km SSE of Maria Antonia, Puerto Rico 17.880°, -66.833°	16.0 km	-	-	-	✓ Reviewed	USGS →
At 17:56 UTC on October 18, 2020, a magnitude 2.4 tremor occurred 12 km SSE of Maria Antonia, Puerto Rico. Coming 4 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:44:14 UTC	2.2ml	22km N of Searles Valley, CA 35.961°, -117.380°	2.7 km	1	-	-	✓ Reviewed	USGS →
October 18, 2020 brought a magnitude 2.2 earthquake 22km N of Searles Valley, CA, logged at 17:44 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:18:53 UTC	4.2mb	south of the Fiji Islands -25.040°, 178.589°	586.8 km	-	-	-	✓ Reviewed	USGS →
On October 18, 2020 at 17:18 UTC, a magnitude 4.2 earthquake struck south of the Fiji Islands. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:16:31 UTC	2.1ml	15km E of Ocotillo Wells, CA 33.156°, -115.973°	8.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.1 earthquake was recorded 15km E of Ocotillo Wells, CA on October 18, 2020 at 17:16 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:15:54 UTC	4.4mb	northern Mid-Atlantic Ridge 50.630°, -29.153°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.4 earthquake near northern Mid-Atlantic Ridge came in on October 18, 2020 at 17:15 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 17:07:03 UTC	2.6md	6 km S of Guánica, Puerto Rico 17.918°, -66.919°	14.0 km	-	-	-	✓ Reviewed	USGS →
October 18, 2020 brought a magnitude 2.6 earthquake 6 km S of Guánica, Puerto Rico, logged at 17:07 UTC. Coming 3 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 16:54:06 UTC	4.9mb	55 km W of Copiapó, Chile -27.304°, -70.884°	31.6 km	1	-	-	✓ Reviewed	USGS →
At 16:54 UTC on October 18, 2020, a magnitude 4.9 tremor occurred 55 km W of Copiapó, Chile. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 16:46:37 UTC	4.0mwr	Northwest Territories, Canada 62.255°, -124.413°	2.2 km	-	-	-	✓ Reviewed	USGS →
October 18, 2020 brought a magnitude 4.0 earthquake near Northwest Territories, Canada, logged at 16:46 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 16:24:08 UTC	4.6mb	south of the Fiji Islands -23.963°, -179.787°	505.7 km	-	-	-	✓ Reviewed	USGS →
October 18, 2020 brought a magnitude 4.6 earthquake south of the Fiji Islands, logged at 16:24 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 16:04:54 UTC	4.4mb	139 km ESE of San Jose Village, Northern Mariana Islands 14.301°, 146.714°	24.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 seismic event took place 139 km ESE of San Jose Village, Northern Mariana Islands on October 18, 2020 at 16:04 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 15:38:23 UTC	4.3mb	Fiji region -20.667°, -178.689°	614.8 km	-	-	-	✓ Reviewed	USGS →
On October 18, 2020, worldwide seismic activity registered a magnitude 4.3 earthquake in the Fiji region at 15:38 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 15:24:36 UTC	4.2mb	267 km WNW of Haveluloto, Tonga -20.102°, -177.524°	554.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.2 earthquake was recorded 267 km WNW of Haveluloto, Tonga on October 18, 2020 at 15:24 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2020-10-18 2020-10-18 14:58:45 UTC	2.0ml	11 km S of Darrington, Washington 48.153°, -121.623°	8.5 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.0 earthquake 11 km S of Darrington, Washington at 14:58 UTC on October 18, 2020. The event was offshore. 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 October 18, 2020. 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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