Time ↓	Mag ↕	Location ↕	Depth ↕	Felt ↕	MMI	Alert	Status	Details
2021-08-30 2021-08-30 23:52:14 UTC	2.7ml	17 km SE of Adak, Alaska 51.747°, -176.495°	111.9 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.7 earthquake 17 km SE of Adak, Alaska came in on August 30, 2021 at 23:52 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 23:33:58 UTC	2.7ml	21 km W of Volcano, Hawaii 19.418°, -155.435°	8.3 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.7 earthquake 21 km W of Volcano, Hawaii at 23:33 UTC on August 30, 2021. Coming 20 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 23:24:11 UTC	4.9mb	31 km NE of Sola, Vanuatu -13.707°, 167.790°	10.0 km	-	-	-	✓ Reviewed	USGS →
On August 30, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake 31 km NE of Sola, Vanuatu at 23:24 UTC. It arrived roughly 2 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 23:14:04 UTC	4.6mb	Kermadec Islands, New Zealand -30.204°, -178.957°	263.3 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.6 earthquake was recorded near Kermadec Islands, New Zealand on August 30, 2021 at 23:14 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 23:12:26 UTC	2.0ml	Rat Islands, Aleutian Islands, Alaska 51.817°, 179.007°	93.3 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.0 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 23:12 UTC on August 30, 2021. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 23:11:42 UTC	3.2ml	6km ENE of Progreso, B.C., MX 32.607°, -115.522°	11.6 km	36	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 3.2 earthquake 6km ENE of Progreso, B.C., MX with origin time 23:11 UTC on August 30, 2021. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 22:55:02 UTC	2.5md	3 km S of Maria Antonia, Puerto Rico 17.945°, -66.885°	14.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.5 seismic event took place 3 km S of Maria Antonia, Puerto Rico on August 30, 2021 at 22:55 UTC. It arrived roughly 21 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 22:45:08 UTC	2.4ml	13 km ENE of Stanley, Idaho 44.277°, -114.793°	5.2 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 2.4 earthquake 13 km ENE of Stanley, Idaho came in on August 30, 2021 at 22:45 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 22:41:52 UTC	4.3mb	South Sandwich Islands region -58.953°, -24.034°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.3 earthquake was recorded in the South Sandwich Islands region on August 30, 2021 at 22:41 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 22:34:44 UTC	2.9ml	4 km WSW of Ticuantepe, Nicaragua 12.011°, -86.248°	10.0 km	2	-	-	✓ Reviewed	USGS →
A magnitude 2.9 seismic event took place 4 km WSW of Ticuantepe, Nicaragua on August 30, 2021 at 22:34 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 22:33:37 UTC	2.2md	5 km SSW of P?hala, Hawaii 19.157°, -155.506°	36.3 km	-	-	-	Auto	USGS →
A magnitude 2.2 earthquake was recorded 5 km SSW of P?hala, Hawaii on August 30, 2021 at 22:33 UTC. Coming 13 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:58:07 UTC	2.6ml	150 km SSE of Sand Point, Alaska 54.136°, -159.424°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 2.6 earthquake was recorded 150 km SSE of Sand Point, Alaska on August 30, 2021 at 21:58 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:44:26 UTC	2.2ml	66 km SSW of Whites City, New Mexico 31.597°, -104.559°	7.2 km	-	-	-	✓ Reviewed	USGS →
At 21:44 UTC on August 30, 2021, a magnitude 2.2 tremor occurred 66 km SSW of Whites City, New Mexico. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:43:25 UTC	2.1ml	8 km ENE of P?hala, Hawaii 19.245°, -155.406°	31.0 km	-	-	-	Auto	USGS →
At 21:43 UTC on August 30, 2021, a magnitude 2.1 tremor occurred 8 km ENE of P?hala, Hawaii. It arrived roughly 12 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:38:24 UTC	2.5md	14km W of Williams, CA 39.171°, -122.312°	21.1 km	-	-	-	✓ Reviewed	USGS →
On August 30, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 14km W of Williams, CA at 21:38 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:13:39 UTC	4.6mb	South Sandwich Islands region -55.487°, -26.492°	10.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.6 earthquake in the South Sandwich Islands region with origin time 21:13 UTC on August 30, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:11:11 UTC	2.0ml	109 km NNE of Arctic Village, Alaska 69.071°, -144.781°	13.4 km	-	-	-	✓ Reviewed	USGS →
On August 30, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 109 km NNE of Arctic Village, Alaska at 21:11 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:07:40 UTC	4.9mb	Kermadec Islands, New Zealand -29.175°, -177.179°	10.0 km	-	-	-	✓ Reviewed	USGS →
At 21:07 UTC on August 30, 2021, a magnitude 4.9 tremor occurred near Kermadec Islands, New Zealand. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:06:33 UTC	4.4mb	7 km NNE of Sofik?n, Greece 37.855°, 23.077°	10.0 km	23	-	-	✓ Reviewed	USGS →
At 21:06 UTC on August 30, 2021, a magnitude 4.4 tremor occurred 7 km NNE of Sofik?n, Greece. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:05:27 UTC	4.5mb	148 km SSW of Tomohon, Indonesia 0.020°, 124.441°	68.0 km	-	-	-	✓ Reviewed	USGS →
Reports of a magnitude 4.5 earthquake 148 km SSW of Tomohon, Indonesia came in on August 30, 2021 at 21:05 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:04:29 UTC	2.1ml	63 km ESE of Savoonga, Alaska 63.483°, -169.296°	20.8 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.1 event was detected 63 km ESE of Savoonga, Alaska on August 30, 2021, with origin time 21:04 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:04:03 UTC	2.6ml	73 km ESE of Sand Point, Alaska 55.081°, -159.433°	5.4 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 2.6 earthquake 73 km ESE of Sand Point, Alaska with origin time 21:04 UTC on August 30, 2021. 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:03:17 UTC	5.1mb	36 km NNE of Sola, Vanuatu -13.567°, 167.678°	10.0 km	1	-	-	✓ Reviewed	USGS →
On August 30, 2021 at 21:03 UTC, a magnitude 5.1 earthquake struck 36 km NNE of Sola, Vanuatu. It is the largest earthquake currently listed for worldwide seismic activity on August 30, 2021. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 21:02:23 UTC	4.5mb	50 km NE of Sola, Vanuatu -13.558°, 167.885°	10.0 km	-	-	-	✓ Reviewed	USGS →
A magnitude 4.5 seismic event took place 50 km NE of Sola, Vanuatu on August 30, 2021 at 21:02 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 20:45:16 UTC	3.5ml	59 km W of Wakefield, New Zealand -41.417°, 172.335°	10.1 km	2	-	-	✓ Reviewed	USGS →
August 30, 2021 brought a magnitude 3.5 earthquake 59 km W of Wakefield, New Zealand, logged at 20:45 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 20:17:24 UTC	2.4md	7 km SW of Volcano, Hawaii 19.396°, -155.286°	-0.3 km	-	-	-	Auto	USGS →
At 20:17 UTC on August 30, 2021, a magnitude 2.4 tremor occurred 7 km SW of Volcano, Hawaii. It arrived roughly 20 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 19:41:11 UTC	4.3mb	south of the Fiji Islands -22.213°, -179.448°	576.0 km	-	-	-	✓ Reviewed	USGS →
Seismographs logged a magnitude 4.3 earthquake south of the Fiji Islands with origin time 19:41 UTC on August 30, 2021. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 19:26:47 UTC	2.2ml	222 km SE of Chiniak, Alaska 56.150°, -149.797°	9.3 km	-	-	-	✓ Reviewed	USGS →
The USGS recorded this magnitude 2.2 earthquake 222 km SE of Chiniak, Alaska at 19:26 UTC on August 30, 2021. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 19:02:02 UTC	3.0ml	196 km SW of Nikolski, Alaska 51.974°, -171.279°	35.0 km	-	-	-	✓ Reviewed	USGS →
This magnitude 3.0 event was detected 196 km SW of Nikolski, Alaska on August 30, 2021, with origin time 19:02 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-08-30 2021-08-30 18:55:35 UTC	2.0md	17km N of San Simeon, CA 35.796°, -121.224°	9.5 km	-	-	-	✓ Reviewed	USGS →
This magnitude 2.0 event was detected 17km N of San Simeon, CA on August 30, 2021, with origin time 18:55 UTC. 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 August 30, 2021. 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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