Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2022-08-04 2022-08-04 23:06:15 UTC	4.9mb	southern East Pacific Rise -42.665°, -110.505°	10.0 km	-	-	-	✓ Reviewed	USGS →
On August 4, 2022 at 23:06 UTC, a magnitude 4.9 earthquake struck near southern East Pacific Rise. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 23:00:20 UTC	2.2ml	23 km WNW of Volcano, Hawaii 19.507°, -155.451°	2.5 km	-	-	-	✓ Reviewed	USGS →
On August 4, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake 23 km WNW of Volcano, Hawaii at 23:00 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.
2022-08-04 2022-08-04 22:15:44 UTC	2.4md	14 km NNE of Puako, Hawaii 20.099°, -155.801°	18.5 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.4 earthquake 14 km NNE of Puako, Hawaii came in on August 4, 2022 at 22:15 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 22:10:07 UTC	2.3md	14 km SSE of Guánica, Puerto Rico 17.847°, -66.864°	5.7 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.3 earthquake was recorded 14 km SSE of Guánica, Puerto Rico on August 4, 2022 at 22:10 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 14 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 22:06:56 UTC	2.3md	13 km SSE of Maria Antonia, Puerto Rico 17.859°, -66.848°	7.3 km	-	-	-	✓ Reviewed	USGS →
August 4, 2022 brought a magnitude 2.3 earthquake 13 km SSE of Maria Antonia, Puerto Rico, logged at 22:06 UTC. Coming 14 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 22:04:59 UTC	2.0md	6 km SSE of P?hala, Hawaii 19.153°, -155.454°	30.9 km	-	-	-	Auto	USGS →
On August 4, 2022 at 22:04 UTC, a magnitude 2.0 earthquake struck 6 km SSE of P?hala, Hawaii. Coming 8 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 20:57:23 UTC	2.8ml	298 km SSE of Chenega, Alaska 57.563°, -146.164°	11.7 km	-	-	-	✓ Reviewed	USGS →
At 20:57 UTC on August 4, 2022, a magnitude 2.8 tremor occurred 298 km SSE of Chenega, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 20:35:23 UTC	4.7mb	central Mid-Atlantic Ridge 7.984°, -37.832°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.7 earthquake near central Mid-Atlantic Ridge at 20:35 UTC on August 4, 2022. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 20:20:46 UTC	2.1ml	5 km NW of McCall, Idaho 44.942°, -116.151°	5.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.1 earthquake 5 km NW of McCall, Idaho came in on August 4, 2022 at 20:20 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 20:19:32 UTC	4.5mb	central Mid-Atlantic Ridge 7.985°, -37.941°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.5 earthquake near central Mid-Atlantic Ridge with origin time 20:19 UTC on August 4, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 20:10:17 UTC	2.7ml	127 km SE of McCarthy, Alaska 60.603°, -141.309°	14.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.7 seismic event took place 127 km SE of McCarthy, Alaska on August 4, 2022 at 20:10 UTC. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 19:44:58 UTC	2.2md	11km W of The Geysers, CA 38.775°, -122.883°	3.5 km	-	-	-	✓ Reviewed	USGS →
At 19:44 UTC on August 4, 2022, a magnitude 2.2 tremor occurred 11km W of The Geysers, CA. 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.
2022-08-04 2022-08-04 19:41:44 UTC	2.5ml	191 km S of Atka, Alaska 50.471°, -174.195°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.5 earthquake 191 km S of Atka, Alaska with origin time 19:41 UTC on August 4, 2022. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 19:37:33 UTC	4.7mb	Kermadec Islands region -27.232°, -176.254°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.7 event was detected in the Kermadec Islands region on August 4, 2022, with origin time 19:37 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 19:29:25 UTC	4.4mb	Izu Islands, Japan region 32.554°, 142.410°	10.0 km	-	-	-	✓ Reviewed	USGS →
August 4, 2022 brought a magnitude 4.4 earthquake in the Izu Islands, Japan region, logged at 19:29 UTC. Coming 16 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 19:23:54 UTC	4.5mb	Izu Islands, Japan region 32.692°, 142.642°	10.0 km	-	-	-	✓ Reviewed	USGS →
On August 4, 2022, worldwide seismic activity registered a magnitude 4.5 earthquake in the Izu Islands, Japan region at 19:23 UTC. Coming 16 hours after a magnitude 5.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 19:08:10 UTC	4.6mb	Afghanistan-Tajikistan-Pakistan region 36.481°, 71.323°	98.9 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 seismic event took place in the Afghanistan-Tajikistan-Pakistan region on August 4, 2022 at 19:08 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 18:38:23 UTC	4.5mb	Carlsberg Ridge 1.617°, 66.993°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 18:38 UTC on August 4, 2022, a magnitude 4.5 tremor occurred near Carlsberg Ridge. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 18:28:10 UTC	4.4mb	Kermadec Islands region -27.205°, -176.218°	10.0 km	-	-	-	✓ Reviewed	USGS →
On August 4, 2022 at 18:28 UTC, a magnitude 4.4 earthquake struck in the Kermadec Islands region. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 18:07:03 UTC	5.0mww	Izu Islands, Japan region 32.570°, 142.292°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 5.0 earthquake in the Izu Islands, Japan region at 18:07 UTC on August 4, 2022. Coming 1 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 18:06:17 UTC	5.1mww	Izu Islands, Japan region 32.574°, 142.337°	10.0 km	-	-	-	✓ Reviewed	USGS →
On August 4, 2022, worldwide seismic activity registered a magnitude 5.1 earthquake in the Izu Islands, Japan region at 18:06 UTC. It arrived roughly 14 hours after a larger magnitude 5.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 18:00:48 UTC	2.1md	21 km SE of P?hala, Hawaii 19.049°, -155.351°	31.5 km	-	-	-	Auto	USGS →
At 18:00 UTC on August 4, 2022, a magnitude 2.1 tremor occurred 21 km SE of P?hala, Hawaii. Coming 4 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:58:43 UTC	4.3mb	12 km S of Hukay, Philippines 13.734°, 120.715°	189.5 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded 12 km S of Hukay, Philippines on August 4, 2022 at 17:58 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:48:56 UTC	4.2mb	Izu Islands, Japan region 32.614°, 142.485°	10.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.2 event was detected in the Izu Islands, Japan region on August 4, 2022, with origin time 17:48 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 14 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:39:31 UTC	4.9mb	southwest of Sumatra, Indonesia -1.056°, 97.356°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.9 earthquake was recorded southwest of Sumatra, Indonesia on August 4, 2022 at 17:39 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:38:05 UTC	4.4mb	Izu Islands, Japan region 32.485°, 142.395°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.4 earthquake was recorded in the Izu Islands, Japan region on August 4, 2022 at 17:38 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 14 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:34:57 UTC	5.1mww	Izu Islands, Japan region 32.538°, 142.400°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 17:34 UTC on August 4, 2022, a magnitude 5.1 tremor occurred in the Izu Islands, Japan region. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 14 hours earlier. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:30:05 UTC	4.3mb	Izu Islands, Japan region 32.537°, 142.530°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake in the Izu Islands, Japan region with origin time 17:30 UTC on August 4, 2022. It arrived roughly 14 hours after a larger magnitude 5.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:28:29 UTC	4.5mb	Izu Islands, Japan region 32.608°, 142.392°	10.0 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 4.5 earthquake in the Izu Islands, Japan region at 17:28 UTC on August 4, 2022. This event falls inside the aftershock decay of a nearby magnitude 5.7 earthquake that occurred about 14 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2022-08-04 2022-08-04 17:23:12 UTC	4.5mwr	89 km W of San Antonio de los Cobres, Argentina -24.298°, -67.200°	183.8 km	-	-	-	✓ Reviewed	USGS →
This magnitude 4.5 event was detected 89 km W of San Antonio de los Cobres, Argentina on August 4, 2022, with origin time 17:23 UTC. The event was offshore. See the M4.5 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 August 4, 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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