Earthquakes on November 21, 2021
255
EARTHQUAKES on November 21, 2021
24-hour UTC period · USGS data
LARGEST: M5.8 — Kermadec Islands region
16 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
25
M3.0–3.9
7
M2.0–2.9
61
M1.0–1.9
161
Activity Summary
255
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.8
Kermadec Islands region
05:12 UTC · 16.0 km deep
4.9
237 km WNW of Lautoka, Fiji
22:11 UTC · 10.0 km deep
Felt by 2
4.9
South Sandwich Islands region
11:36 UTC · 51.4 km deep
4.7
45 km SW of Antofagasta, Chile
11:50 UTC · 30.2 km deep
Felt by 5
4.6
6 km NNE of Islay (Matarani), Peru
22:22 UTC · 62.9 km deep
4.6
Easter Island region
18:31 UTC · 10.0 km deep
4.6
11 km NE of Xunchang, China
10:51 UTC · 10.0 km deep
4.6
36 km ENE of Villa Rica, Peru
08:09 UTC · 114.0 km deep
Earthquake Map — November 21, 2021
All Earthquakes — November 21, 2021
Showing 30 of 94 (filtered from 255)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-11-21 2021-11-21 23:52:25 UTC | 4.5mb | southeast of the Loyalty Islands -22.798°, 171.963° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place southeast of the Loyalty Islands on November 21, 2021 at 23:52 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 23:24:59 UTC | 2.1ml | 65 km SW of Covenant Life, Alaska 59.056°, -136.933° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 65 km SW of Covenant Life, Alaska on November 21, 2021, with origin time 23:24 UTC. 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. | ||||||||
2021-11-21 2021-11-21 23:22:53 UTC | 2.7md | 4 km SE of Maria Antonia, Puerto Rico 17.953°, -66.862° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 4 km SE of Maria Antonia, Puerto Rico with origin time 23:22 UTC on November 21, 2021. It arrived roughly 9 hours after a larger magnitude 2.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:46:57 UTC | 2.2ml | 92 km SE of Nikolski, Alaska 52.337°, -167.909° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 92 km SE of Nikolski, Alaska came in on November 21, 2021 at 22:46 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:26:51 UTC | 2.3md | 2 km SSW of P?hala, Hawaii 19.184°, -155.491° | 32.8 km | - | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 2 km SSW of P?hala, Hawaii on November 21, 2021, with origin time 22:26 UTC. It arrived roughly 4 hours after a larger magnitude 3.5 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. | ||||||||
2021-11-21 2021-11-21 22:26:31 UTC | 2.0ml | 1 km NE of Anchor Point, Alaska 59.784°, -151.817° | 58.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 1 km NE of Anchor Point, Alaska on November 21, 2021, with origin time 22:26 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:26:15 UTC | 2.3md | 8 km SSE of Maria Antonia, Puerto Rico 17.912°, -66.850° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 8 km SSE of Maria Antonia, Puerto Rico on November 21, 2021 at 22:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 8 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:26:14 UTC | 4.3mb | 223 km S of Kokopo, Papua New Guinea -6.362°, 152.305° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:26 UTC on November 21, 2021, a magnitude 4.3 tremor occurred 223 km S of Kokopo, Papua New Guinea. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:22:16 UTC | 4.6mb | 6 km NNE of Islay (Matarani), Peru -16.942°, -72.076° | 62.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:22 UTC on November 21, 2021, a magnitude 4.6 tremor occurred 6 km NNE of Islay (Matarani), Peru. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 22:11:44 UTC | 4.9mb | 237 km WNW of Lautoka, Fiji -16.884°, 175.352° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded 237 km WNW of Lautoka, Fiji on November 21, 2021 at 22:11 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 20:55:23 UTC | 2.0ml | 7 km SSE of P?hala, Hawaii 19.138°, -155.454° | 32.5 km | - | - | - | Auto | USGS → |
At 20:55 UTC on November 21, 2021, a magnitude 2.0 tremor occurred 7 km SSE of P?hala, Hawaii. It arrived roughly 3 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 20:46:14 UTC | 2.4ml | 15 km SE of Waynoka, Oklahoma 36.480°, -98.761° | 3.4 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 15 km SE of Waynoka, Oklahoma on November 21, 2021 at 20:46 UTC. 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. | ||||||||
2021-11-21 2021-11-21 20:06:41 UTC | 2.3md | 3 km SW of Guánica, Puerto Rico 17.953°, -66.934° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:06 UTC on November 21, 2021, a magnitude 2.3 tremor occurred 3 km SW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 19:26:56 UTC | 2.1md | 12km SE of Pinnacles, CA 36.460°, -121.040° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 12km SE of Pinnacles, CA came in on November 21, 2021 at 19:26 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 19:22:51 UTC | 2.4md | 7 km SSE of Maria Antonia, Puerto Rico 17.919°, -66.862° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2021 brought a magnitude 2.4 earthquake 7 km SSE of Maria Antonia, Puerto Rico, logged at 19:22 UTC. Coming 5 hours after a magnitude 2.7 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. | ||||||||
2021-11-21 2021-11-21 19:01:23 UTC | 2.0md | 6 km ENE of P?hala, Hawaii 19.222°, -155.416° | 31.5 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.0 earthquake 6 km ENE of P?hala, Hawaii with origin time 19:01 UTC on November 21, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 1 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:34:10 UTC | 2.9ml | 147 km SE of Perryville, Alaska 54.973°, -157.489° | 15.5 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 147 km SE of Perryville, Alaska at 18:34 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:31:26 UTC | 4.6mb | Easter Island region -22.905°, -112.124° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake in the Easter Island region at 18:31 UTC on November 21, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:27:44 UTC | 4.3mb | Pagan region, Northern Mariana Islands 18.423°, 145.649° | 184.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake in the Pagan region, Northern Mariana Islands at 18:27 UTC on November 21, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:22:44 UTC | 4.4mb | 130 km S of Abepura, Indonesia -3.778°, 140.566° | 48.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 130 km S of Abepura, Indonesia on November 21, 2021 at 18:22 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:20:53 UTC | 4.5mb | 100 km WNW of Bengkulu, Indonesia -3.420°, 101.447° | 65.1 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2021 brought a magnitude 4.5 earthquake 100 km WNW of Bengkulu, Indonesia, logged at 18:20 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 18:00:17 UTC | 3.5ml | 6 km ENE of P?hala, Hawaii 19.228°, -155.418° | 32.9 km | 7 | III | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 6 km ENE of P?hala, Hawaii came in on November 21, 2021 at 18:00 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 17:57:00 UTC | 2.7ml | 151 km SE of Perryville, Alaska 54.999°, -157.358° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2021 brought a magnitude 2.7 earthquake 151 km SE of Perryville, Alaska, logged at 17:57 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 17:35:59 UTC | 2.4md | 3 km SSW of P?hala, Hawaii 19.172°, -155.488° | 37.1 km | - | - | - | Auto | USGS → |
On November 21, 2021 at 17:35 UTC, a magnitude 2.4 earthquake struck 3 km SSW of P?hala, Hawaii. It arrived roughly 9 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 17:25:35 UTC | 4.4mb | off the coast of Oregon 44.512°, -130.184° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake near off the coast of Oregon with origin time 17:25 UTC on November 21, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 17:02:39 UTC | 2.3md | 1 km NNW of Guayanilla, Puerto Rico 18.033°, -66.798° | 15.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 1 km NNW of Guayanilla, Puerto Rico with origin time 17:02 UTC on November 21, 2021. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 16:34:49 UTC | 2.6ml | 11 km ENE of P?hala, Hawaii 19.227°, -155.375° | 33.3 km | - | - | - | ✓ Reviewed | USGS → |
At 16:34 UTC on November 21, 2021, a magnitude 2.6 tremor occurred 11 km ENE of P?hala, Hawaii. Coming 8 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 16:20:45 UTC | 3.1ml | 81 km SE of Sand Point, Alaska 54.843°, -159.553° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2021 at 16:20 UTC, a magnitude 3.1 earthquake struck 81 km SE of Sand Point, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 16:17:33 UTC | 2.2ml | 9 km E of P?hala, Hawaii 19.216°, -155.393° | 30.8 km | - | - | - | Auto | USGS → |
November 21, 2021 brought a magnitude 2.2 earthquake 9 km E of P?hala, Hawaii, logged at 16:17 UTC. It arrived roughly 7 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-21 2021-11-21 15:11:31 UTC | 2.4ml | 19 km N of Snyder, Texas 32.889°, -100.903° | 5.4 km | - | - | - | ✓ Reviewed | USGS → |
At 15:11 UTC on November 21, 2021, a magnitude 2.4 tremor occurred 19 km N of Snyder, Texas. The event was offshore. See the M2.4 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 November 21, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.