Earthquakes on September 2, 2021
320
EARTHQUAKES on September 2, 2021
24-hour UTC period · USGS data
441 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
38
M3.0–3.9
8
M2.0–2.9
67
M1.0–1.9
204
Activity Summary
320
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
northwest of the Kuril Islands
20:26 UTC · 441.5 km deep
5.2
Kermadec Islands region
23:20 UTC · 10.0 km deep
5.0
56 km E of Chubek, Tajikistan
04:50 UTC · 10.0 km deep
Felt by 1
4.9
44 km SSE of Alianza Cristiana, Peru
08:42 UTC · 103.7 km deep
4.9
South Sandwich Islands region
06:17 UTC · 49.5 km deep
4.9
South Sandwich Islands region
06:05 UTC · 37.3 km deep
4.9
north of Ascension Island
04:28 UTC · 10.0 km deep
4.8
Kermadec Islands region
20:54 UTC · 10.0 km deep
Earthquake Map — September 2, 2021

All Earthquakes — September 2, 2021
Showing 30 of 116 (filtered from 320)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-09-02 2021-09-02 23:59:48 UTC | 2.4md | 8km W of Petrolia, CA 40.332°, -124.377° | 17.1 km | - | - | - | ✓ Reviewed | USGS → |
September 2, 2021 brought a magnitude 2.4 earthquake 8km W of Petrolia, CA, logged at 23:59 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 23:20:19 UTC | 5.2mb | Kermadec Islands region -30.075°, -176.965° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded in the Kermadec Islands region on September 2, 2021 at 23:20 UTC. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 23:00:57 UTC | 4.4mb | South Indian Ocean -35.345°, 54.013° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:00 UTC on September 2, 2021, a magnitude 4.4 tremor occurred near South Indian Ocean. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 22:42:18 UTC | 2.9ml | 261 km ESE of Chiniak, Alaska 56.542°, -148.451° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2021 at 22:42 UTC, a magnitude 2.9 earthquake struck 261 km ESE of Chiniak, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 22:12:48 UTC | 4.7mb | South Sandwich Islands region -58.928°, -25.271° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded in the South Sandwich Islands region on September 2, 2021 at 22:12 UTC. Coming 13 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 21:59:03 UTC | 2.0ml | 17 km ENE of King Cove, Alaska 55.114°, -162.057° | 88.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 17 km ENE of King Cove, Alaska at 21:59 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 21:51:05 UTC | 2.2ml | 37 km WSW of Anchor Point, Alaska 59.640°, -152.448° | 68.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 37 km WSW of Anchor Point, Alaska came in on September 2, 2021 at 21:51 UTC. Coming 4 hours after a magnitude 2.3 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. | ||||||||
2021-09-02 2021-09-02 21:43:33 UTC | 2.1ml | 4 km ENE of P?hala, Hawaii 19.218°, -155.439° | 32.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 4 km ENE of P?hala, Hawaii at 21:43 UTC on September 2, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 5 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 21:23:23 UTC | 2.9ml | 103 km ESE of Nikolski, Alaska 52.752°, -167.359° | 25.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 103 km ESE of Nikolski, Alaska on September 2, 2021 at 21:23 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 21:12:52 UTC | 4.2mb | 32 km SSW of Mandráki, Greece 36.336°, 27.011° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 32 km SSW of Mandráki, Greece with origin time 21:12 UTC on September 2, 2021. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 21:10:28 UTC | 2.2ml | 180 km SSE of Atka, Alaska 50.726°, -173.097° | 22.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 180 km SSE of Atka, Alaska on September 2, 2021 at 21:10 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 20:56:19 UTC | 4.3mb | 30 km NNE of Mazo Cruz, Peru -16.478°, -69.619° | 191.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 30 km NNE of Mazo Cruz, Peru on September 2, 2021 at 20:56 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 20:54:54 UTC | 4.8mb | Kermadec Islands region -30.080°, -176.895° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake in the Kermadec Islands region came in on September 2, 2021 at 20:54 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 20:50:35 UTC | 2.1md | 8 km E of P?hala, Hawaii 19.208°, -155.394° | 31.5 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 8 km E of P?hala, Hawaii on September 2, 2021 at 20:50 UTC. Coming 4 hours after a magnitude 2.9 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. | ||||||||
2021-09-02 2021-09-02 20:26:16 UTC | 5.3mww | northwest of the Kuril Islands 50.457°, 150.539° | 441.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2021 at 20:26 UTC, a magnitude 5.3 earthquake struck northwest of the Kuril Islands. It is the largest earthquake currently listed for worldwide seismic activity on September 2, 2021. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 19:55:05 UTC | 4.6mb | Izu Islands, Japan region 29.191°, 142.583° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake in the Izu Islands, Japan region at 19:55 UTC on September 2, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 19:24:51 UTC | 4.5mb | 138 km NE of Opotiki, New Zealand -37.115°, 178.382° | 43.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 2, 2021 at 19:24 UTC, a magnitude 4.5 earthquake struck 138 km NE of Opotiki, New Zealand. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 19:24:18 UTC | 2.1ml | 2 km SE of Meno, Oklahoma 36.367°, -98.158° | 7.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 19:24 UTC on September 2, 2021, a magnitude 2.1 tremor occurred 2 km SE of Meno, Oklahoma. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 19:23:24 UTC | 2.2ml | 14 km SSE of Sunnyside, Utah 39.436°, -110.303° | -3.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 14 km SSE of Sunnyside, Utah on September 2, 2021 at 19:23 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 19:03:48 UTC | 4.4mb | 237 km E of Yamada, Japan 39.489°, 144.714° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 237 km E of Yamada, Japan at 19:03 UTC on September 2, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:46:51 UTC | 2.2ml | 6 km NE of P?hala, Hawaii 19.238°, -155.424° | 31.3 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 6 km NE of P?hala, Hawaii with origin time 18:46 UTC on September 2, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 2 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:29:11 UTC | 4.5mb | South Sandwich Islands region -60.334°, -27.166° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded in the South Sandwich Islands region on September 2, 2021 at 18:29 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:14:23 UTC | 2.3ml | 51 km WNW of Nanwalek, Alaska 59.599°, -152.694° | 79.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 51 km WNW of Nanwalek, Alaska on September 2, 2021 at 18:14 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:12:12 UTC | 2.3ml | 37 km NNW of Toyah, Texas 31.598°, -104.003° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 37 km NNW of Toyah, Texas with origin time 18:12 UTC on September 2, 2021. It arrived roughly 9 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:04:35 UTC | 2.0md | 6 km S of P?hala, Hawaii 19.141°, -155.488° | 37.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 6 km S of P?hala, Hawaii on September 2, 2021 at 18:04 UTC. Coming 1 hours after a magnitude 2.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 18:01:25 UTC | 2.0ml | 112 km SSE of Sand Point, Alaska 54.481°, -159.576° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:01 UTC on September 2, 2021, a magnitude 2.0 tremor occurred 112 km SSE of Sand Point, Alaska. Coming 10 hours after a magnitude 4.6 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. | ||||||||
2021-09-02 2021-09-02 17:58:55 UTC | 4.7mb | Scotia Sea -60.376°, -48.557° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake near Scotia Sea with origin time 17:58 UTC on September 2, 2021. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 17:50:27 UTC | 2.7ml | 111 km SE of Sand Point, Alaska 54.518°, -159.484° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 111 km SE of Sand Point, Alaska on September 2, 2021, with origin time 17:50 UTC. Coming 10 hours after a magnitude 4.6 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. | ||||||||
2021-09-02 2021-09-02 17:07:49 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 50.556°, 176.754° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 2, 2021 brought a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska, logged at 17:07 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-02 2021-09-02 16:58:07 UTC | 4.5mb | 94 km E of Kimbe, Papua New Guinea -5.613°, 150.990° | 100.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 94 km E of Kimbe, Papua New Guinea with origin time 16:58 UTC on September 2, 2021. 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 September 2, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.