Earthquakes on September 21, 2022
384
EARTHQUAKES on September 21, 2022
24-hour UTC period · USGS data
191 km deep · 7 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
37
M3.0–3.9
11
M2.0–2.9
67
M1.0–1.9
264
Activity Summary
384
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
136 km N of Lae, Papua New Guinea
09:30 UTC · 191.0 km deep
Felt by 7
5.1
9 km S of Khowy, Iran
17:57 UTC · 10.0 km deep
Felt by 2
5.0
69 km SSE of Hasaki, Japan
22:24 UTC · 12.1 km deep
Felt by 6
5.0
198 km WSW of Tual, Indonesia
11:57 UTC · 61.0 km deep
5.0
172 km SSW of Port-Vila, Vanuatu
07:06 UTC · 10.0 km deep
4.9
Mid-Indian Ridge
02:50 UTC · 10.0 km deep
4.8
71 km SE of Hasaki, Japan
22:36 UTC · 31.3 km deep
4.8
70 km NW of Finschhafen, Papua New Guinea
15:49 UTC · 67.2 km deep
Earthquake Map — September 21, 2022
All Earthquakes — September 21, 2022
Showing 30 of 120 (filtered from 384)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2022-09-21 2022-09-21 23:59:37 UTC | 4.3mb | 73 km W of Waingapu, Indonesia -9.555°, 119.601° | 84.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 21, 2022, worldwide seismic activity registered a magnitude 4.3 earthquake 73 km W of Waingapu, Indonesia at 23:59 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:59:11 UTC | 2.2md | Puerto Rico region 17.978°, -66.959° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 21, 2022, worldwide seismic activity registered a magnitude 2.2 earthquake in the Puerto Rico region at 23:59 UTC. It arrived roughly 23 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:58:19 UTC | 2.2md | 4 km W of Fuig, Puerto Rico 17.987°, -66.954° | 11.5 km | - | - | - | ✓ Reviewed | USGS → |
September 21, 2022 brought a magnitude 2.2 earthquake 4 km W of Fuig, Puerto Rico, logged at 23:58 UTC. Coming 23 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:57:29 UTC | 2.5md | 5 km WSW of Fuig, Puerto Rico 17.972°, -66.962° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
September 21, 2022 brought a magnitude 2.5 earthquake 5 km WSW of Fuig, Puerto Rico, logged at 23:57 UTC. It arrived roughly 23 hours after a larger magnitude 3.0 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. | ||||||||
2022-09-21 2022-09-21 23:55:47 UTC | 2.3ml | 101 km SE of Ugashik, Alaska 56.868°, -156.201° | 69.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 101 km SE of Ugashik, Alaska on September 21, 2022, with origin time 23:55 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:46:09 UTC | 2.5ml | 52 km SSW of Whites City, New Mexico 31.726°, -104.532° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
At 23:46 UTC on September 21, 2022, a magnitude 2.5 tremor occurred 52 km SSW of Whites City, New Mexico. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 11 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:34:04 UTC | 2.3md | 5km ENE of East Quincy, CA 39.945°, -120.845° | 2.4 km | 2 | - | - | ✓ Reviewed | USGS → |
On September 21, 2022 at 23:34 UTC, a magnitude 2.3 earthquake struck 5km ENE of East Quincy, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:27:07 UTC | 4.5mb | south of the Kermadec Islands -34.711°, -179.146° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake south of the Kermadec Islands with origin time 23:27 UTC on September 21, 2022. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 23:09:44 UTC | 4.3mb | near the east coast of Honshu, Japan 35.100°, 141.257° | 36.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:09 UTC on September 21, 2022, a magnitude 4.3 tremor occurred near near the east coast of Honshu, Japan. It arrived roughly 1 hours after a larger magnitude 5.0 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. | ||||||||
2022-09-21 2022-09-21 22:36:52 UTC | 4.8mb | 71 km SE of Hasaki, Japan 35.206°, 141.286° | 31.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 71 km SE of Hasaki, Japan on September 21, 2022, with origin time 22:36 UTC. It arrived roughly 1 hours after a larger magnitude 5.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 22:36:37 UTC | 4.3mb | Vanuatu -13.235°, 167.086° | 206.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake near Vanuatu at 22:36 UTC on September 21, 2022. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 22:24:40 UTC | 5.0mww | 69 km SSE of Hasaki, Japan 35.178°, 141.195° | 12.1 km | 6 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 69 km SSE of Hasaki, Japan with origin time 22:24 UTC on September 21, 2022. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 22:17:02 UTC | 4.4mb | 8 km SE of Sueyoshich?-ninokata, Japan 31.606°, 131.093° | 73.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 8 km SE of Sueyoshich?-ninokata, Japan at 22:17 UTC on September 21, 2022. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 22:07:30 UTC | 3.2ml | 26 km SSW of Prince George, Canada 53.706°, -122.942° | 5.0 km | 70 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 26 km SSW of Prince George, Canada came in on September 21, 2022 at 22:07 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 21:50:36 UTC | 4.4mb | 193 km WNW of Abepura, Indonesia -2.134°, 138.953° | 33.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 193 km WNW of Abepura, Indonesia on September 21, 2022, with origin time 21:50 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 21:41:26 UTC | 2.1ml | Wyoming 44.774°, -110.802° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake near Wyoming came in on September 21, 2022 at 21:41 UTC. Coming 12 hours after a magnitude 2.5 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 21:31:37 UTC | 2.1ml | 21 km ENE of Honaunau-Napoopoo, Hawaii 19.500°, -155.670° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 21 km ENE of Honaunau-Napoopoo, Hawaii came in on September 21, 2022 at 21:31 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 17 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 21:26:27 UTC | 2.0ml | 23 km SSW of Mammoth, Wyoming 44.776°, -110.799° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 23 km SSW of Mammoth, Wyoming with origin time 21:26 UTC on September 21, 2022. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 11 hours earlier. 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. | ||||||||
2022-09-21 2022-09-21 21:10:09 UTC | 2.1ml | 28 km E of Honaunau-Napoopoo, Hawaii 19.481°, -155.593° | -1.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 28 km E of Honaunau-Napoopoo, Hawaii on September 21, 2022 at 21:10 UTC. Coming 17 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 20:52:37 UTC | 2.5ml | 20 km W of Wainaku, Hawaii 19.714°, -155.292° | 26.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 20 km W of Wainaku, Hawaii at 20:52 UTC on September 21, 2022. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:52:39 UTC | 4.4mb | Mid-Indian Ridge -33.153°, 78.199° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake near Mid-Indian Ridge came in on September 21, 2022 at 19:52 UTC. Coming 17 hours after a magnitude 4.9 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. | ||||||||
2022-09-21 2022-09-21 19:47:54 UTC | 2.4ml | 9 km ENE of P?hala, Hawaii 19.231°, -155.392° | 32.6 km | - | - | - | Auto | USGS → |
On September 21, 2022 at 19:47 UTC, a magnitude 2.4 earthquake struck 9 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 16 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:42:07 UTC | 4.2mb | 116 km E of Iquique, Chile -20.114°, -69.043° | 110.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 116 km E of Iquique, Chile with origin time 19:42 UTC on September 21, 2022. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:41:11 UTC | 4.3mb | 227 km SSW of Waingapu, Indonesia -11.431°, 119.216° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 227 km SSW of Waingapu, Indonesia on September 21, 2022, with origin time 19:41 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:39:43 UTC | 3.4ml | 87 km S of King Cove, Alaska 54.280°, -162.484° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 21, 2022, worldwide seismic activity registered a magnitude 3.4 earthquake 87 km S of King Cove, Alaska at 19:39 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:22:02 UTC | 2.7ml | 28 km NW of Wink, Texas 31.916°, -103.389° | 8.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 28 km NW of Wink, Texas came in on September 21, 2022 at 19:22 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:21:14 UTC | 4.0mb | Bonin Islands, Japan region 28.023°, 139.901° | 442.4 km | - | - | - | ✓ Reviewed | USGS → |
September 21, 2022 brought a magnitude 4.0 earthquake in the Bonin Islands, Japan region, logged at 19:21 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 19:06:57 UTC | 2.3md | 17km W of Petrolia, CA 40.345°, -124.483° | 26.3 km | - | - | - | ✓ Reviewed | USGS → |
At 19:06 UTC on September 21, 2022, a magnitude 2.3 tremor occurred 17km W of Petrolia, CA. Coming 16 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 18:49:05 UTC | 4.2mb | Fiji region -19.012°, -177.474° | 600.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 21, 2022, worldwide seismic activity registered a magnitude 4.2 earthquake in the Fiji region at 18:49 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2022-09-21 2022-09-21 18:48:48 UTC | 2.2ml | 61 km WNW of Happy Valley, Alaska 60.143°, -152.759° | 109.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 21, 2022 at 18:48 UTC, a magnitude 2.2 earthquake struck 61 km WNW of Happy Valley, Alaska. See the M2.2 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 21, 2022. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.