Earthquakes on September 22, 2021
367
EARTHQUAKES on September 22, 2021
24-hour UTC period · USGS data
21 km deep · 48 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
47
M3.0–3.9
8
M2.0–2.9
77
M1.0–1.9
225
Activity Summary
367
Total earthquakes
~250
Daily average
Elevated
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.5
80 km SW of Jiquilillo, Nicaragua
09:57 UTC · 21.0 km deep
Felt by 48
5.6
69 km SW of Corinto, Nicaragua
12:57 UTC · 28.5 km deep
Felt by 3
5.4
143 km NW of Ternate, Indonesia
12:03 UTC · 33.8 km deep
Felt by 3
5.3
55 km SW of Novaya Chara, Russia
17:01 UTC · 10.0 km deep
05.2
66 km SW of Corinto, Nicaragua
12:27 UTC · 38.7 km deep
Felt by 2
5.2
71 km SSE of Burica, Panama
01:25 UTC · 13.6 km deep
Felt by 5
5.1
Kermadec Islands, New Zealand
17:32 UTC · 10.0 km deep
5.0
Kermadec Islands region
19:57 UTC · 352.5 km deep
Earthquake Map — September 22, 2021
All Earthquakes — September 22, 2021
Showing 30 of 142 (filtered from 367)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-09-22 2021-09-22 23:52:11 UTC | 2.3ml | 15 km SSE of Sunnyside, Utah 39.430°, -110.297° | -2.6 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2021 brought a magnitude 2.3 earthquake 15 km SSE of Sunnyside, Utah, logged at 23:52 UTC. 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. | ||||||||
2021-09-22 2021-09-22 23:31:25 UTC | 4.6mb | 125 km NE of Colonia, Micronesia 10.353°, 138.893° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake 125 km NE of Colonia, Micronesia at 23:31 UTC on September 22, 2021. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 23:08:06 UTC | 4.2mb | 78 km WSW of Sungai Penuh, Indonesia -2.270°, 100.715° | 62.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 78 km WSW of Sungai Penuh, Indonesia on September 22, 2021, with origin time 23:08 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 23:02:08 UTC | 2.7ml | 221 km WSW of Adak, Alaska 51.069°, -179.552° | 15.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 221 km WSW of Adak, Alaska at 23:02 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 22:43:49 UTC | 4.3mb | 148 km NW of Ternate, Indonesia 1.875°, 126.600° | 38.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 148 km NW of Ternate, Indonesia on September 22, 2021 at 22:43 UTC. Coming 11 hours after a magnitude 5.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 22:43:37 UTC | 2.0md | 17km NW of New Idria, CA 36.538°, -120.787° | 3.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 17km NW of New Idria, CA on September 22, 2021 at 22:43 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. | ||||||||
2021-09-22 2021-09-22 22:36:09 UTC | 3.5md | 92 km N of Charlotte Amalie, U.S. Virgin Islands 19.174°, -64.959° | 75.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 seismic event took place 92 km N of Charlotte Amalie, U.S. Virgin Islands on September 22, 2021 at 22:36 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 22:27:57 UTC | 2.4md | 12km SSE of Bodie, CA 38.118°, -118.944° | 17.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 12km SSE of Bodie, CA on September 22, 2021, with origin time 22:27 UTC. Coming 12 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 22:23:27 UTC | 4.9mb | South Sandwich Islands region -59.967°, -24.103° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2021 at 22:23 UTC, a magnitude 4.9 earthquake struck in the South Sandwich Islands region. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 22:19:17 UTC | 3.4ml | Gulf of Alaska 56.430°, -149.126° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2021 at 22:19 UTC, a magnitude 3.4 earthquake struck near Gulf of Alaska. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:58:04 UTC | 4.4mb | Chile-Argentina border region -23.689°, -67.285° | 189.8 km | - | - | - | ✓ Reviewed | USGS → |
At 21:58 UTC on September 22, 2021, a magnitude 4.4 tremor occurred in the Chile-Argentina border region. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:54:57 UTC | 2.2md | 5 km WSW of Guánica, Puerto Rico 17.953°, -66.958° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 5 km WSW of Guánica, Puerto Rico at 21:54 UTC on September 22, 2021. It arrived roughly 20 hours after a larger magnitude 2.8 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. | ||||||||
2021-09-22 2021-09-22 21:44:34 UTC | 2.1ml | 3 km E of P?hala, Hawaii 19.199°, -155.441° | 32.6 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 3 km E of P?hala, Hawaii on September 22, 2021 at 21:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:43:55 UTC | 2.5ml | 219 km WSW of Adak, Alaska 51.028°, -179.484° | 26.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 219 km WSW of Adak, Alaska at 21:43 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:41:35 UTC | 4.5mb | South Sandwich Islands region -57.906°, -23.495° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake in the South Sandwich Islands region with origin time 21:41 UTC on September 22, 2021. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:40:03 UTC | 2.9ml | 114 km SSE of Perryville, Alaska 54.925°, -158.611° | 18.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 114 km SSE of Perryville, Alaska on September 22, 2021, with origin time 21:40 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:37:17 UTC | 2.2ml | 23 km WNW of Mentone, Texas 31.759°, -103.841° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 23 km WNW of Mentone, Texas came in on September 22, 2021 at 21:37 UTC. Coming 1 hours after a magnitude 3.4 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. | ||||||||
2021-09-22 2021-09-22 21:36:27 UTC | 4.4mb | 29 km N of Yigo Village, Guam 13.803°, 144.898° | 120.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 29 km N of Yigo Village, Guam at 21:36 UTC on September 22, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:21:13 UTC | 2.3ml | 23 km WNW of Mentone, Texas 31.759°, -103.843° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 23 km WNW of Mentone, Texas on September 22, 2021 at 21:21 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 1 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:17:58 UTC | 3.4ml | 23 km WNW of Mentone, Texas 31.759°, -103.840° | 6.6 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 23 km WNW of Mentone, Texas on September 22, 2021 at 21:17 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:12:16 UTC | 3.6md | 101 km N of Charlotte Amalie, U.S. Virgin Islands 19.247°, -65.112° | 29.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 101 km N of Charlotte Amalie, U.S. Virgin Islands came in on September 22, 2021 at 21:12 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 21:07:44 UTC | 2.0md | 6 km ENE of P?hala, Hawaii 19.229°, -155.425° | 35.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.0 earthquake 6 km ENE of P?hala, Hawaii came in on September 22, 2021 at 21:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 9 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 20:46:26 UTC | 2.1ml | 46 km ENE of Pedro Bay, Alaska 60.000°, -153.399° | 136.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 46 km ENE of Pedro Bay, Alaska on September 22, 2021, with origin time 20:46 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:57:23 UTC | 5.0mb | Kermadec Islands region -27.556°, -178.810° | 352.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 5.0 earthquake in the Kermadec Islands region came in on September 22, 2021 at 19:57 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:51:58 UTC | 5.0mb | South Sandwich Islands region -59.459°, -25.989° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place in the South Sandwich Islands region on September 22, 2021 at 19:51 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:47:10 UTC | 4.6mb | 6 km NE of Cabacao, Philippines 13.375°, 120.698° | 85.3 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 6 km NE of Cabacao, Philippines on September 22, 2021, with origin time 19:47 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:34:25 UTC | 2.3ml | 19km NNE of Ocotillo, CA 32.906°, -115.951° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 22, 2021 at 19:34 UTC, a magnitude 2.3 earthquake struck 19km NNE of Ocotillo, CA. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:33:23 UTC | 4.9mb | South Sandwich Islands region -58.325°, -23.073° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded in the South Sandwich Islands region on September 22, 2021 at 19:33 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:16:08 UTC | 2.6ml | 101 km NW of Elfin Cove, Alaska 58.736°, -137.738° | 14.6 km | - | - | - | ✓ Reviewed | USGS → |
September 22, 2021 brought a magnitude 2.6 earthquake 101 km NW of Elfin Cove, Alaska, logged at 19:16 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-09-22 2021-09-22 19:02:29 UTC | 4.6mb | Reykjanes Ridge 56.309°, -34.171° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake near Reykjanes Ridge came in on September 22, 2021 at 19:02 UTC. See the M4.6 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 22, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.