Earthquakes on October 26, 2021
303
EARTHQUAKES on October 26, 2021
24-hour UTC period · USGS data
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
36
M3.0–3.9
9
M2.0–2.9
73
M1.0–1.9
183
Activity Summary
303
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
east of the South Sandwich Islands
05:48 UTC · 10.0 km deep
5.0
South Sandwich Islands region
08:44 UTC · 24.8 km deep
4.9
Kermadec Islands region
18:46 UTC · 58.4 km deep
4.9
112 km ESE of Namie, Japan
16:27 UTC · 22.5 km deep
Felt by 4
4.9
South Sandwich Islands region
08:54 UTC · 18.0 km deep
4.8
Halmahera, Indonesia
09:46 UTC · 127.2 km deep
4.8
central East Pacific Rise
04:32 UTC · 10.0 km deep
4.7
121 km NE of Kuqa, China
17:47 UTC · 10.0 km deep
Earthquake Map — October 26, 2021

All Earthquakes — October 26, 2021
Showing 30 of 120 (filtered from 303)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-10-26 2021-10-26 23:49:06 UTC | 2.5ml | 8 km NNE of Point MacKenzie, Alaska 61.421°, -149.893° | 38.3 km | 1 | - | - | ✓ Reviewed | USGS → |
At 23:49 UTC on October 26, 2021, a magnitude 2.5 tremor occurred 8 km NNE of Point MacKenzie, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 23:12:32 UTC | 2.1ml | 15 km SE of Lindsay, Texas 31.282°, -103.416° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 15 km SE of Lindsay, Texas on October 26, 2021, with origin time 23:12 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. | ||||||||
2021-10-26 2021-10-26 22:48:46 UTC | 2.2ml | 57 km NE of Chenega, Alaska 60.453°, -147.327° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 57 km NE of Chenega, Alaska came in on October 26, 2021 at 22:48 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 22:48:11 UTC | 2.0ml | 40 km WNW of Mentasta Lake, Alaska 63.092°, -144.485° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 40 km WNW of Mentasta Lake, Alaska on October 26, 2021, with origin time 22:48 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 22:22:55 UTC | 2.3md | 6 km SSW of Potala Pastillo, Puerto Rico 17.941°, -66.524° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 26, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 6 km SSW of Potala Pastillo, Puerto Rico at 22:22 UTC. It arrived roughly 13 hours after a larger magnitude 2.9 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. | ||||||||
2021-10-26 2021-10-26 22:03:00 UTC | 3.6ml | 9 km NNE of Odessa, Texas 31.931°, -102.334° | 8.4 km | 154 | III | - | ✓ Reviewed | USGS → |
On October 26, 2021 at 22:03 UTC, a magnitude 3.6 earthquake struck 9 km NNE of Odessa, Texas. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 21:54:36 UTC | 3.4ml | 9 km NNE of Odessa, Texas 31.929°, -102.331° | 8.4 km | 80 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.4 earthquake 9 km NNE of Odessa, Texas with origin time 21:54 UTC on October 26, 2021. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 21:32:54 UTC | 2.1md | 16 km SSE of Sunnyside, Utah 39.422°, -110.299° | -2.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 26, 2021 at 21:32 UTC, a magnitude 2.1 earthquake struck 16 km SSE of Sunnyside, Utah. 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. | ||||||||
2021-10-26 2021-10-26 21:04:29 UTC | 2.2md | 4km WNW of Walker, CA 38.529°, -119.522° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
At 21:04 UTC on October 26, 2021, a magnitude 2.2 tremor occurred 4km WNW of Walker, CA. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 10 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:55:53 UTC | 2.6ml | 14km W of Malibu, CA 34.020°, -118.965° | 15.4 km | 6 | - | - | ✓ Reviewed | USGS → |
October 26, 2021 brought a magnitude 2.6 earthquake 14km W of Malibu, CA, logged at 20:55 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:50:57 UTC | 2.7ml | 43 km W of Tatitlek, Alaska 60.850°, -147.470° | 18.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 43 km W of Tatitlek, Alaska on October 26, 2021 at 20:50 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:45:30 UTC | 2.1md | 10 km E of P?hala, Hawaii 19.215°, -155.379° | 31.2 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 10 km E of P?hala, Hawaii with origin time 20:45 UTC on October 26, 2021. It arrived roughly 1 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:33:55 UTC | 2.7ml | 59 km SSE of Adak, Alaska 51.417°, -176.195° | 33.7 km | - | - | - | ✓ Reviewed | USGS → |
October 26, 2021 brought a magnitude 2.7 earthquake 59 km SSE of Adak, Alaska, logged at 20:33 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:27:46 UTC | 2.5md | 24 km E of P?hala, Hawaii 19.208°, -155.248° | 45.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 24 km E of P?hala, Hawaii at 20:27 UTC on October 26, 2021. It arrived roughly 1 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:26:54 UTC | 2.7md | 26 km E of P?hala, Hawaii 19.195°, -155.231° | 45.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 26 km E of P?hala, Hawaii came in on October 26, 2021 at 20:26 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:25:09 UTC | 2.6md | 24 km E of P?hala, Hawaii 19.182°, -155.245° | 46.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 24 km E of P?hala, Hawaii came in on October 26, 2021 at 20:25 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 20:11:01 UTC | 2.4ml | 110 km SSE of Sand Point, Alaska 54.462°, -159.680° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 110 km SSE of Sand Point, Alaska on October 26, 2021 at 20:11 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 19:47:08 UTC | 2.7ml | 20km NNE of Trona, CA 35.941°, -117.320° | 1.6 km | - | - | - | ✓ Reviewed | USGS → |
At 19:47 UTC on October 26, 2021, a magnitude 2.7 tremor occurred 20km NNE of Trona, CA. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 19:45:24 UTC | 4.1mb | 46 km SW of Palaióchora, Greece 34.985°, 23.267° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 26, 2021, worldwide seismic activity registered a magnitude 4.1 earthquake 46 km SW of Palaióchora, Greece at 19:45 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 19:41:16 UTC | 2.2ml | 152 km WNW of Haines Junction, Canada 61.364°, -140.031° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 152 km WNW of Haines Junction, Canada on October 26, 2021 at 19:41 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 19:32:59 UTC | 2.6ml | 24 km W of Ferry, Alaska 64.044°, -149.607° | 145.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 24 km W of Ferry, Alaska at 19:32 UTC on October 26, 2021. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 19:16:04 UTC | 2.0ml | 18km SW of Ludlow, CA 34.586°, -116.271° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 18km SW of Ludlow, CA with origin time 19:16 UTC on October 26, 2021. 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. | ||||||||
2021-10-26 2021-10-26 19:12:49 UTC | 2.2ml | 3 km SSE of P?hala, Hawaii 19.174°, -155.472° | 38.2 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 3 km SSE of P?hala, Hawaii on October 26, 2021, with origin time 19:12 UTC. It arrived roughly 13 hours after a larger magnitude 2.6 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. | ||||||||
2021-10-26 2021-10-26 18:49:35 UTC | 2.0ml | 61 km SSW of Whites City, New Mexico 31.651°, -104.590° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 61 km SSW of Whites City, New Mexico came in on October 26, 2021 at 18:49 UTC. It arrived roughly 11 hours after a larger magnitude 2.4 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. | ||||||||
2021-10-26 2021-10-26 18:46:14 UTC | 4.9mb | Kermadec Islands region -28.618°, -177.435° | 58.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake in the Kermadec Islands region with origin time 18:46 UTC on October 26, 2021. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 18:40:27 UTC | 2.0md | 3km SSW of Anderson Springs, CA 38.746°, -122.700° | 1.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 3km SSW of Anderson Springs, CA on October 26, 2021 at 18:40 UTC. It arrived roughly 1 hours after a larger magnitude 2.9 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 18:38:51 UTC | 2.9md | 2km SW of Anderson Springs, CA 38.761°, -122.709° | 1.3 km | 5 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 2km SW of Anderson Springs, CA on October 26, 2021 at 18:38 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 18:30:52 UTC | 2.1ml | 6 km ENE of P?hala, Hawaii 19.221°, -155.420° | 33.4 km | - | - | - | Auto | USGS → |
On October 26, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 6 km ENE of P?hala, Hawaii at 18:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 12 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 18:30:33 UTC | 2.3ml | 89 km SSE of Akutan, Alaska 53.453°, -165.051° | 25.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 26, 2021 at 18:30 UTC, a magnitude 2.3 earthquake struck 89 km SSE of Akutan, Alaska. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-26 2021-10-26 18:27:09 UTC | 4.3mb | 54 km SE of Namie, Japan 37.200°, 141.509° | 51.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:27 UTC on October 26, 2021, a magnitude 4.3 tremor occurred 54 km SE of Namie, Japan. The event was offshore. See the M4.3 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 26, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.