Earthquakes on October 29, 2021
278
EARTHQUAKES on October 29, 2021
24-hour UTC period · USGS data
LARGEST: M5.5 — Kermadec Islands region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
39
M3.0–3.9
16
M2.0–2.9
45
M1.0–1.9
174
Activity Summary
278
Total earthquakes
~250
Daily average
Normal
Activity level
4
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
Kermadec Islands region
19:42 UTC · 10.0 km deep
5.2
19 km W of Coracora, Peru
19:55 UTC · 70.3 km deep
Felt by 2
5.1
15 km S of Sarangani, Philippines
04:33 UTC · 177.3 km deep
Felt by 3
5.0
South Sandwich Islands region
06:38 UTC · 48.1 km deep
4.7
165 km N of Pangnirtung, Canada
13:48 UTC · 14.1 km deep
Felt by 2
4.7
9 km ENE of Bulqizë, Albania
06:10 UTC · 10.0 km deep
Felt by 10
4.6
southeast of the Loyalty Islands
18:55 UTC · 10.0 km deep
4.6
south of the Fiji Islands
15:23 UTC · 530.3 km deep
Earthquake Map — October 29, 2021
All Earthquakes — October 29, 2021
Showing 30 of 104 (filtered from 278)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-10-29 2021-10-29 23:19:17 UTC | 4.5mb | 201 km SSE of ‘Ohonua, Tonga -22.971°, -174.089° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 201 km SSE of ‘Ohonua, Tonga on October 29, 2021 at 23:19 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 23:13:00 UTC | 2.6md | 9 km SSE of Guánica, Puerto Rico 17.892°, -66.876° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:13 UTC on October 29, 2021, a magnitude 2.6 tremor occurred 9 km SSE of Guánica, Puerto Rico. Coming 18 hours after a magnitude 3.2 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. | ||||||||
2021-10-29 2021-10-29 22:43:48 UTC | 4.5mb | 17 km W of Coracora, Peru -15.054°, -73.947° | 76.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 17 km W of Coracora, Peru with origin time 22:43 UTC on October 29, 2021. It arrived roughly 3 hours after a larger magnitude 5.2 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 22:26:38 UTC | 2.7md | 5km ENE of East Quincy, CA 39.949°, -120.844° | 5.4 km | 7 | - | - | ✓ Reviewed | USGS → |
At 22:26 UTC on October 29, 2021, a magnitude 2.7 tremor occurred 5km ENE of East Quincy, CA. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 22:24:37 UTC | 2.7ml | 24 km SSE of Naalehu, Hawaii 18.852°, -155.511° | 33.9 km | - | - | - | ✓ Reviewed | USGS → |
October 29, 2021 brought a magnitude 2.7 earthquake 24 km SSE of Naalehu, Hawaii, logged at 22:24 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 22:07:59 UTC | 4.5mb | South Sandwich Islands region -59.598°, -25.808° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 29, 2021, worldwide seismic activity registered a magnitude 4.5 earthquake in the South Sandwich Islands region at 22:07 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:53:07 UTC | 3.4ml | 205 km SE of Chiniak, Alaska 56.260°, -149.989° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 205 km SE of Chiniak, Alaska on October 29, 2021, with origin time 21:53 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:47:48 UTC | 2.4ml | 6 km NNW of Nordheim, Texas 28.979°, -97.633° | 6.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 29, 2021 at 21:47 UTC, a magnitude 2.4 earthquake struck 6 km NNW of Nordheim, Texas. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:47:31 UTC | 2.3ml | 35 km SE of Mina, Nevada 38.172°, -117.819° | 9.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 29, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 35 km SE of Mina, Nevada at 21:47 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:43:50 UTC | 4.3mwr | 7 km S of Paispamba, Colombia 2.185°, -76.615° | 24.0 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 7 km S of Paispamba, Colombia came in on October 29, 2021 at 21:43 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:23:37 UTC | 2.2md | 4km ESE of Cholame, CA 35.710°, -120.258° | 12.7 km | 1 | - | - | ✓ Reviewed | USGS → |
October 29, 2021 brought a magnitude 2.2 earthquake 4km ESE of Cholame, CA, logged at 21:23 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:23:18 UTC | 3.2ml | 62 km ENE of Pedro Bay, Alaska 59.915°, -153.015° | 118.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 62 km ENE of Pedro Bay, Alaska on October 29, 2021 at 21:23 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:21:09 UTC | 3.0ml | 9 km ESE of Jefferson, Oklahoma 36.691°, -97.687° | 7.4 km | 3 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 9 km ESE of Jefferson, Oklahoma on October 29, 2021, with origin time 21:21 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 21:09:52 UTC | 2.9md | 0 km WNW of Aguas Buenas, Puerto Rico 18.259°, -66.110° | 20.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 29, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 0 km WNW of Aguas Buenas, Puerto Rico at 21:09 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 20:53:18 UTC | 4.4mb | 51 km SW of Puerto Madero, Mexico 14.397°, -92.763° | 31.4 km | - | - | - | ✓ Reviewed | USGS → |
October 29, 2021 brought a magnitude 4.4 earthquake 51 km SW of Puerto Madero, Mexico, logged at 20:53 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 20:14:39 UTC | 2.5ml | 23 km WNW of Nikiski, Alaska 60.744°, -151.712° | 78.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 23 km WNW of Nikiski, Alaska on October 29, 2021, with origin time 20:14 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 20:00:43 UTC | 3.4ml | 5 km ESE of Wright, Wyoming 43.723°, -105.431° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 5 km ESE of Wright, Wyoming came in on October 29, 2021 at 20:00 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:57:03 UTC | 4.4mb | Prince Edward Islands region -44.626°, 36.942° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 29, 2021 at 19:57 UTC, a magnitude 4.4 earthquake struck in the Prince Edward Islands region. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:55:26 UTC | 5.2mww | 19 km W of Coracora, Peru -15.046°, -73.966° | 70.3 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 19 km W of Coracora, Peru on October 29, 2021 at 19:55 UTC. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:52:20 UTC | 2.1ml | 13km ESE of Olancha, CA 36.222°, -117.876° | 1.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 29, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 13km ESE of Olancha, CA at 19:52 UTC. It arrived roughly 4 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:42:31 UTC | 5.5mww | Kermadec Islands region -29.388°, -176.122° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
On October 29, 2021 at 19:42 UTC, a magnitude 5.5 earthquake struck in the Kermadec Islands region. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on October 29, 2021. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:42:19 UTC | 4.5mb | Kermadec Islands region -29.694°, -176.150° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 19:42 UTC on October 29, 2021, a magnitude 4.5 tremor occurred in the Kermadec Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:18:16 UTC | 2.6ml | 2 km S of P?hala, Hawaii 19.184°, -155.482° | 37.2 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 2 km S of P?hala, Hawaii with origin time 19:18 UTC on October 29, 2021. It arrived roughly 15 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:09:49 UTC | 2.1ml | 35 km SE of Mina, Nevada 38.166°, -117.818° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
At 19:09 UTC on October 29, 2021, a magnitude 2.1 tremor occurred 35 km SE of Mina, Nevada. 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 19:03:29 UTC | 4.3mb | 52 km NW of Sainyabuli, Laos 19.580°, 101.342° | 15.2 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 52 km NW of Sainyabuli, Laos on October 29, 2021 at 19:03 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 18:55:25 UTC | 4.6mb | southeast of the Loyalty Islands -22.705°, 171.615° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected southeast of the Loyalty Islands on October 29, 2021, with origin time 18:55 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 18:54:54 UTC | 4.3mb | 130 km WNW of Tual, Indonesia -5.296°, 131.624° | 49.1 km | - | - | - | ✓ Reviewed | USGS → |
October 29, 2021 brought a magnitude 4.3 earthquake 130 km WNW of Tual, Indonesia, logged at 18:54 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 18:40:21 UTC | 2.6ml | 78 km E of Adak, Alaska 51.866°, -175.497° | 74.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 29, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 78 km E of Adak, Alaska at 18:40 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 18:33:18 UTC | 4.4mb | 26 km SSW of Petatlán, Mexico 17.307°, -101.348° | 13.2 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 26 km SSW of Petatlán, Mexico on October 29, 2021 at 18:33 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-29 2021-10-29 18:08:20 UTC | 2.1ml | 32 km SE of Mina, Nevada 38.186°, -117.836° | 8.1 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.1 earthquake 32 km SE of Mina, Nevada at 18:08 UTC on October 29, 2021. 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 M2.1 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 October 29, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.