Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2022-10-28 2022-10-28 23:49:46 UTC	2.3ml	8 km SE of Amarillo, Texas 35.172°, -101.760°	7.9 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2022, worldwide seismic activity registered a magnitude 2.3 earthquake 8 km SE of Amarillo, Texas at 23:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:46:57 UTC	3.6mb	77 km NW of Atka, Alaska 52.638°, -175.077°	10.2 km	-	-	-	✓ Reviewed	USGS →
October 28, 2022 brought a magnitude 3.6 earthquake 77 km NW of Atka, Alaska, logged at 23:46 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:35:13 UTC	5.2mww	66 km SW of Santiago, Peru -14.520°, -76.220°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 5.2 earthquake 66 km SW of Santiago, Peru with origin time 23:35 UTC on October 28, 2022. Coming 3 hours after a magnitude 5.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:27:49 UTC	3.2mb	South Korea 36.895°, 127.847°	9.5 km	6	-	-	✓ Reviewed	USGS →
On October 28, 2022, worldwide seismic activity registered a magnitude 3.2 earthquake near South Korea at 23:27 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:19:59 UTC	4.6mb	36 km SSE of Alianza Cristiana, Peru -3.773°, -76.284°	108.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2022 at 23:19 UTC, a magnitude 4.6 earthquake struck 36 km SSE of Alianza Cristiana, Peru. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:15:49 UTC	2.6ml	116 km SSW of Sand Point, Alaska 54.311°, -160.898°	35.0 km	-	-	-	✓ Reviewed	USGS →
October 28, 2022 brought a magnitude 2.6 earthquake 116 km SSW of Sand Point, Alaska, logged at 23:15 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 23:11:26 UTC	3.2ml	102 km S of Atka, Alaska 51.282°, -174.314°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 23:11 UTC on October 28, 2022, a magnitude 3.2 tremor occurred 102 km S of Atka, Alaska. Coming 2 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:59:24 UTC	2.2ml	15 km E of Smiley, Texas 29.247°, -97.476°	6.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.2 seismic event took place 15 km E of Smiley, Texas on October 28, 2022 at 22:59 UTC. It arrived roughly 6 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:54:49 UTC	4.7mb	62 km SSW of Paracas, Peru -14.419°, -76.381°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.7 event was detected 62 km SSW of Paracas, Peru on October 28, 2022, with origin time 22:54 UTC. It arrived roughly 14 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:52:16 UTC	5.2mww	62 km SW of Santiago, Peru -14.543°, -76.161°	8.7 km	1	-	-	✓ Reviewed	USGS →
On October 28, 2022, worldwide seismic activity registered a magnitude 5.2 earthquake 62 km SW of Santiago, Peru at 22:52 UTC. It arrived roughly 3 hours after a larger magnitude 5.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:46:53 UTC	2.7ml	66 km SSE of Unalaska, Alaska 53.348°, -166.046°	35.0 km	-	-	-	✓ Reviewed	USGS →
At 22:46 UTC on October 28, 2022, a magnitude 2.7 tremor occurred 66 km SSE of Unalaska, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:24:05 UTC	4.1mb	99 km S of Atka, Alaska 51.301°, -174.306°	35.0 km	-	I	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.1 earthquake 99 km S of Atka, Alaska at 22:24 UTC on October 28, 2022. Coming 1 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 22:16:04 UTC	2.6ml	4 km S of Volcano, Hawaii 19.403°, -155.239°	2.4 km	17	-	-	✓ Reviewed	USGS →
A magnitude 2.6 seismic event took place 4 km S of Volcano, Hawaii on October 28, 2022 at 22:16 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:56:00 UTC	4.3mb	21 km S of Casuguran, Philippines 14.528°, 122.340°	10.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.3 earthquake 21 km S of Casuguran, Philippines came in on October 28, 2022 at 21:56 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:42:52 UTC	4.5mb	137 km W of Abepura, Indonesia -2.751°, 139.407°	30.0 km	-	-	-	✓ Reviewed	USGS →
At 21:42 UTC on October 28, 2022, a magnitude 4.5 tremor occurred 137 km W of Abepura, Indonesia. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:35:34 UTC	2.2ml	79 km WNW of Tyonek, Alaska 61.312°, -152.535°	0.0 km	-	-	-	✓ Reviewed	USGS →
October 28, 2022 brought a magnitude 2.2 earthquake 79 km WNW of Tyonek, Alaska, logged at 21:35 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.
2022-10-28 2022-10-28 21:33:36 UTC	4.2mb	106 km S of Atka, Alaska 51.236°, -174.270°	38.7 km	-	-	-	✓ Reviewed	USGS →
At 21:33 UTC on October 28, 2022, a magnitude 4.2 tremor occurred 106 km S of Atka, Alaska. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:16:41 UTC	2.0md	4 km ESE of Lajas, Puerto Rico 18.033°, -67.022°	16.6 km	-	-	-	✓ Reviewed	USGS →
October 28, 2022 brought a magnitude 2.0 earthquake 4 km ESE of Lajas, Puerto Rico, logged at 21:16 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:08:53 UTC	3.4ml	5 km SE of Ackerly, Texas 32.489°, -101.673°	7.6 km	-	-	-	✓ Reviewed	USGS →
A magnitude 3.4 earthquake was recorded 5 km SE of Ackerly, Texas on October 28, 2022 at 21:08 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 21:04:04 UTC	2.0ml	60 km E of Pedro Bay, Alaska 59.774°, -153.032°	105.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2022 at 21:04 UTC, a magnitude 2.0 earthquake struck 60 km E of Pedro Bay, Alaska. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:56:27 UTC	4.7mb	77 km ESE of Namie, Japan 37.350°, 141.860°	47.9 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.7 earthquake 77 km ESE of Namie, Japan came in on October 28, 2022 at 20:56 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:52:04 UTC	2.8ml	110 km SE of Akutan, Alaska 53.536°, -164.443°	35.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2022 at 20:52 UTC, a magnitude 2.8 earthquake struck 110 km SE of Akutan, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:27:13 UTC	4.5mb	77 km S of Paracas, Peru -14.557°, -76.384°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake 77 km S of Paracas, Peru at 20:27 UTC on October 28, 2022. It arrived roughly 11 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:22:16 UTC	4.9mb	291 km WNW of Haveluloto, Tonga -20.274°, -177.856°	537.0 km	-	-	-	✓ Reviewed	USGS →
At 20:22 UTC on October 28, 2022, a magnitude 4.9 tremor occurred 291 km WNW of Haveluloto, Tonga. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:22:05 UTC	5.9mww	62 km SW of Santiago, Peru -14.522°, -76.171°	14.0 km	8	V	green	✓ Reviewed	USGS →
On October 28, 2022 at 20:22 UTC, a magnitude 5.9 earthquake struck 62 km SW of Santiago, 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 October 28, 2022. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 20:06:58 UTC	2.0md	23 km E of Honaunau-Napoopoo, Hawaii 19.485°, -155.648°	3.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 seismic event took place 23 km E of Honaunau-Napoopoo, Hawaii on October 28, 2022 at 20:06 UTC. Coming 12 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 19:37:25 UTC	2.4ml	4km S of Frazier Park, CA 34.788°, -118.949°	13.0 km	-	-	-	✓ Reviewed	USGS →
On October 28, 2022 at 19:37 UTC, a magnitude 2.4 earthquake struck 4km S of Frazier Park, CA. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 19:22:10 UTC	2.0ml	94 km E of McCarthy, Alaska 61.362°, -141.168°	4.1 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.0 earthquake was recorded 94 km E of McCarthy, Alaska on October 28, 2022 at 19:22 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 19:19:10 UTC	4.6mb	44 km SW of Santiago, Peru -14.507°, -75.957°	39.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded 44 km SW of Santiago, Peru on October 28, 2022 at 19:19 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-10-28 2022-10-28 19:16:16 UTC	4.4mb	74 km SW of Santiago, Peru -14.636°, -76.229°	10.0 km	-	-	-	✓ Reviewed	USGS →
October 28, 2022 brought a magnitude 4.4 earthquake 74 km SW of Santiago, Peru, logged at 19:16 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 10 hours earlier. The event was offshore. See the M4.4 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 October 28, 2022. 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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