Earthquakes on November 21, 2023
269
EARTHQUAKES on November 21, 2023
24-hour UTC period · USGS data
6 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
24
M3.0–3.9
9
M2.0–2.9
46
M1.0–1.9
185
Activity Summary
269
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.5
101 km SSE of Popondetta, Papua New Guinea
07:10 UTC · 6.0 km deep
5.5
central Mid-Atlantic Ridge
05:10 UTC · 10.0 km deep
5.2
89 km NE of Labasa, Fiji
15:32 UTC · 12.8 km deep
Felt by 1
5.2
69 km NNW of Insrom, Indonesia
07:12 UTC · 17.0 km deep
5.0
62 km S of Kokopo, Papua New Guinea
21:30 UTC · 55.4 km deep
4.8
34 km SSE of Madang, Papua New Guinea
19:44 UTC · 63.3 km deep
Felt by 1
4.6
Volcano Islands, Japan region
17:19 UTC · 141.1 km deep
4.6
29 km SSE of Coquimbo, Chile
12:47 UTC · 70.2 km deep
Earthquake Map — November 21, 2023
All Earthquakes — November 21, 2023
Showing 30 of 84 (filtered from 269)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2023-11-21 2023-11-21 23:55:06 UTC | 2.6ml(texnet) | 62 km SSW of Whites City, New Mexico 31.626°, -104.513° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 62 km SSW of Whites City, New Mexico on November 21, 2023 at 23:55 UTC. It arrived roughly 5 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 22:53:21 UTC | 4.2mb | 107 km NNW of Finschhafen, Papua New Guinea -5.622°, 147.570° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 107 km NNW of Finschhafen, Papua New Guinea on November 21, 2023, with origin time 22:53 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 22:18:13 UTC | 4.0md | 111 km N of San Juan, Puerto Rico 19.463°, -65.939° | 29.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 111 km N of San Juan, Puerto Rico on November 21, 2023 at 22:18 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 21:59:15 UTC | 2.6ml | 118 km WNW of Yakutat, Alaska 59.974°, -141.649° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 118 km WNW of Yakutat, Alaska with origin time 21:59 UTC on November 21, 2023. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 21:30:54 UTC | 5.0mb | 62 km S of Kokopo, Papua New Guinea -4.907°, 152.320° | 55.4 km | - | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on November 21, 2023, a magnitude 5.0 tremor occurred 62 km S of Kokopo, Papua New Guinea. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 20:35:15 UTC | 4.2mb | 252 km SSE of Alo, Wallis and Futuna -16.489°, -177.423° | 405.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 252 km SSE of Alo, Wallis and Futuna came in on November 21, 2023 at 20:35 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 20:24:29 UTC | 4.5mb | 4 km NE of El Cortés, Mexico 16.809°, -99.477° | 23.5 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2023 brought a magnitude 4.5 earthquake 4 km NE of El Cortés, Mexico, logged at 20:24 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 20:21:32 UTC | 3.3ml | 53 km E of Chenega, Alaska 60.062°, -147.048° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2023 at 20:21 UTC, a magnitude 3.3 earthquake struck 53 km E of Chenega, Alaska. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 20:18:55 UTC | 2.6ml | 6 km SSW of Volcano, Hawaii 19.388°, -155.247° | 1.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On November 21, 2023 at 20:18 UTC, a magnitude 2.6 earthquake struck 6 km SSW of Volcano, Hawaii. Coming 2 hours after a magnitude 3.0 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 19:44:15 UTC | 4.8mb | 34 km SSE of Madang, Papua New Guinea -5.505°, 145.919° | 63.3 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.8 earthquake 34 km SSE of Madang, Papua New Guinea at 19:44 UTC on November 21, 2023. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 19:32:02 UTC | 4.2mb | 181 km SW of Belaya Gora, Russia 67.503°, 142.832° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 181 km SW of Belaya Gora, Russia on November 21, 2023 at 19:32 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:51:08 UTC | 4.1mb | 35 km SE of Same, Timor Leste -9.258°, 125.841° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:51 UTC on November 21, 2023, a magnitude 4.1 tremor occurred 35 km SE of Same, Timor Leste. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:35:39 UTC | 2.2ml | 11 km SW of Volcano, Hawaii 19.361°, -155.299° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 11 km SW of Volcano, Hawaii on November 21, 2023, with origin time 18:35 UTC. It arrived roughly 1 hours after a larger magnitude 3.0 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:34:40 UTC | 3.2ml(texnet) | 63 km SSW of Whites City, New Mexico 31.613°, -104.525° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 63 km SSW of Whites City, New Mexico with origin time 18:34 UTC on November 21, 2023. In the 72 hours after this event, the USGS recorded 4 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:29:22 UTC | 2.0ml | 63 km ESE of Pedro Bay, Alaska 59.577°, -153.064° | 93.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 63 km ESE of Pedro Bay, Alaska at 18:29 UTC on November 21, 2023. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:13:07 UTC | 2.1md | 12 km SE of Middletown, CA 38.689°, -122.502° | 5.9 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 12 km SE of Middletown, CA on November 21, 2023 at 18:13 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:06:36 UTC | 2.8ml | 6 km S of Volcano, Hawaii 19.381°, -155.243° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 6 km S of Volcano, Hawaii on November 21, 2023 at 18:06 UTC. Coming 1 hours after a magnitude 3.0 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 18:01:12 UTC | 3.0ml | 6 km S of Volcano, Hawaii 19.385°, -155.242° | 1.9 km | 6 | - | - | ✓ Reviewed | USGS → |
At 18:01 UTC on November 21, 2023, a magnitude 3.0 tremor occurred 6 km S of Volcano, Hawaii. In the 72 hours after this event, the USGS recorded 13 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 17:43:13 UTC | 2.8ml | 66 km NNE of Van Horn, Texas 31.591°, -104.550° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 66 km NNE of Van Horn, Texas with origin time 17:43 UTC on November 21, 2023. It arrived roughly 17 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 17:31:48 UTC | 4.2mwr | 89 km W of San Antonio de los Cobres, Argentina -24.265°, -67.199° | 160.9 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2023 brought a magnitude 4.2 earthquake 89 km W of San Antonio de los Cobres, Argentina, logged at 17:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 17:27:04 UTC | 2.7ml | 41 km W of Mentone, Texas 31.649°, -104.033° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 41 km W of Mentone, Texas came in on November 21, 2023 at 17:27 UTC. 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 M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 17:19:45 UTC | 4.6mb | Volcano Islands, Japan region 22.516°, 143.213° | 141.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected in the Volcano Islands, Japan region on November 21, 2023, with origin time 17:19 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 17:14:04 UTC | 2.6ml | 48 km ESE of Nikolski, Alaska 52.705°, -168.251° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2023, worldwide seismic activity registered a magnitude 2.6 earthquake 48 km ESE of Nikolski, Alaska at 17:14 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 16:38:41 UTC | 2.8ml | 7 km SW of Volcano, Hawaii 19.386°, -155.281° | 1.2 km | 2 | - | - | ✓ Reviewed | USGS → |
At 16:38 UTC on November 21, 2023, a magnitude 2.8 tremor occurred 7 km SW of Volcano, Hawaii. In the 72 hours after this event, the USGS recorded 15 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 16:13:35 UTC | 4.2mb | 38 km ENE of Santa Rosa, Peru -10.792°, -74.556° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On November 21, 2023 at 16:13 UTC, a magnitude 4.2 earthquake struck 38 km ENE of Santa Rosa, Peru. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 15:34:56 UTC | 2.7md | 2 km WSW of Indios, Puerto Rico 17.985°, -66.840° | 10.2 km | - | - | - | ✓ Reviewed | USGS → |
November 21, 2023 brought a magnitude 2.7 earthquake 2 km WSW of Indios, Puerto Rico, logged at 15:34 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 15:32:14 UTC | 5.2mww | 89 km NE of Labasa, Fiji -15.778°, 179.850° | 12.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 89 km NE of Labasa, Fiji with origin time 15:32 UTC on November 21, 2023. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 15:31:24 UTC | 4.2mb | south of the Fiji Islands -23.846°, 179.971° | 511.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded south of the Fiji Islands on November 21, 2023 at 15:31 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 15:07:38 UTC | 4.2mb | 103 km WSW of Houma, Tonga -21.650°, -176.162° | 101.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 103 km WSW of Houma, Tonga with origin time 15:07 UTC on November 21, 2023. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2023-11-21 2023-11-21 14:43:43 UTC | 3.0ml | Kodiak Island region, Alaska 56.364°, -152.099° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake in the Kodiak Island region, Alaska at 14:43 UTC on November 21, 2023. See the M3.0 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 November 21, 2023. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.