Earthquakes on October 2, 2021
277
EARTHQUAKES on October 2, 2021
24-hour UTC period · USGS data
LARGEST: M7.3 — Vanuatu region
527 km deep · 15 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
33
M3.0–3.9
12
M2.0–2.9
61
M1.0–1.9
164
Activity Summary
277
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
7.3
Vanuatu region
06:29 UTC · 527.0 km deep
Felt by 15
6.0
Mid-Indian Ridge
20:43 UTC · 10.0 km deep
5.9
163 km SSW of Tarauacá, Brazil
12:52 UTC · 589.0 km deep
Felt by 2
5.8
135 km SW of Gataivai, Samoa
04:24 UTC · 19.7 km deep
Felt by 3
5.4
11 km NE of Tuban, Philippines
21:59 UTC · 8.7 km deep
Felt by 5
5.4
115 km SW of Panguna, Papua New Guinea
02:17 UTC · 10.0 km deep
Felt by 4
5.1
118 km SSW of Panguna, Papua New Guinea
00:54 UTC · 10.0 km deep
4.8
207 km NNE of Shi Yomi, India
04:45 UTC · 35.4 km deep
Earthquake Map — October 2, 2021
All Earthquakes — October 2, 2021
Showing 30 of 113 (filtered from 277)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-10-02 2021-10-02 23:56:33 UTC | 4.2mb | 219 km N of Saipan, Northern Mariana Islands 17.186°, 145.591° | 338.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021 at 23:56 UTC, a magnitude 4.2 earthquake struck 219 km N of Saipan, Northern Mariana Islands. 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. | ||||||||
2021-10-02 2021-10-02 23:54:39 UTC | 2.3ml | 14 km NW of Stanley, Idaho 44.310°, -115.063° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:54 UTC on October 2, 2021, a magnitude 2.3 tremor occurred 14 km NW of Stanley, Idaho. Coming 1 hours after a magnitude 4.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 23:47:42 UTC | 4.0mwr | 12 km NW of Stanley, Idaho 44.294°, -115.051° | 7.0 km | 19 | IV | green | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 12 km NW of Stanley, Idaho came in on October 2, 2021 at 23:47 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 23:33:33 UTC | 4.6mb | 23 km NE of Tuban, Philippines 12.935°, 121.006° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021, worldwide seismic activity registered a magnitude 4.6 earthquake 23 km NE of Tuban, Philippines at 23:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.4 earthquake that occurred about 2 hours earlier. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 23:22:18 UTC | 4.7mb | 146 km NE of Tobelo, Indonesia 2.546°, 129.043° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2021 brought a magnitude 4.7 earthquake 146 km NE of Tobelo, Indonesia, logged at 23:22 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 22:53:53 UTC | 2.1md | 5 km NNE of Puako, Hawaii 20.018°, -155.811° | 24.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021 at 22:53 UTC, a magnitude 2.1 earthquake struck 5 km NNE of Puako, Hawaii. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 22:13:18 UTC | 2.0ml | 57 km S of Whites City, New Mexico 31.659°, -104.461° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:13 UTC on October 2, 2021, a magnitude 2.0 tremor occurred 57 km S of Whites City, New Mexico. Coming 11 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 22:01:53 UTC | 3.8mb | Rat Islands, Aleutian Islands, Alaska 51.808°, 178.406° | 112.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021 at 22:01 UTC, a magnitude 3.8 earthquake struck near Rat Islands, Aleutian Islands, Alaska. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 22:01:42 UTC | 4.2mb | 112 km WSW of Myitkyina, Myanmar 24.928°, 96.395° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 112 km WSW of Myitkyina, Myanmar on October 2, 2021 at 22:01 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 21:59:26 UTC | 5.4mww | 11 km NE of Tuban, Philippines 12.872°, 120.914° | 8.7 km | 5 | VI | green | ✓ Reviewed | USGS → |
At 21:59 UTC on October 2, 2021, a magnitude 5.4 tremor occurred 11 km NE of Tuban, Philippines. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. The event was offshore. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 21:41:13 UTC | 4.5mb | South Sandwich Islands region -56.025°, -27.618° | 107.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake in the South Sandwich Islands region came in on October 2, 2021 at 21:41 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 21:09:42 UTC | 2.0ml | 52 km SSW of Whites City, New Mexico 31.717°, -104.528° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 52 km SSW of Whites City, New Mexico at 21:09 UTC on October 2, 2021. It arrived roughly 10 hours after a larger magnitude 2.2 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. | ||||||||
2021-10-02 2021-10-02 20:55:42 UTC | 4.4mb | Mindoro, Philippines 13.029°, 121.131° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2021 brought a magnitude 4.4 earthquake near Mindoro, Philippines, logged at 20:55 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 20:53:11 UTC | 3.4ml | 92 km ESE of Attu Station, Alaska 52.586°, 174.480° | 70.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021, worldwide seismic activity registered a magnitude 3.4 earthquake 92 km ESE of Attu Station, Alaska at 20:53 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 20:43:39 UTC | 6.0mww | Mid-Indian Ridge -9.178°, 67.261° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 6.0 earthquake was recorded near Mid-Indian Ridge on October 2, 2021 at 20:43 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M6.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 20:43:32 UTC | 2.2md | 13km SSE of Bodie, CA 38.106°, -118.945° | 11.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 13km SSE of Bodie, CA on October 2, 2021, with origin time 20:43 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 20:14:14 UTC | 2.0md | 9 km E of P?hala, Hawaii 19.218°, -155.387° | 33.5 km | - | - | - | Auto | USGS → |
October 2, 2021 brought a magnitude 2.0 earthquake 9 km E of P?hala, Hawaii, logged at 20:14 UTC. It arrived roughly 1 hours after a larger magnitude 3.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:59:24 UTC | 3.4ml | 9 km ENE of P?hala, Hawaii 19.223°, -155.393° | 32.5 km | 3 | III | - | ✓ Reviewed | USGS → |
At 19:59 UTC on October 2, 2021, a magnitude 3.4 tremor occurred 9 km ENE of P?hala, Hawaii. 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 M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:50:28 UTC | 4.0mb | 111 km SE of False Pass, Alaska 54.040°, -162.418° | 47.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 111 km SE of False Pass, Alaska on October 2, 2021 at 19:50 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:46:12 UTC | 2.8ml | 15 km ESE of Wright, Wyoming 43.721°, -105.307° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 15 km ESE of Wright, Wyoming on October 2, 2021, with origin time 19:46 UTC. 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. | ||||||||
2021-10-02 2021-10-02 19:43:31 UTC | 2.2md | 5 km ESE of P?hala, Hawaii 19.191°, -155.431° | 33.1 km | - | - | - | Auto | USGS → |
October 2, 2021 brought a magnitude 2.2 earthquake 5 km ESE of P?hala, Hawaii, logged at 19:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 6 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:35:05 UTC | 2.7ml | 116 km WSW of Adak, Alaska 51.497°, -178.203° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 116 km WSW of Adak, Alaska came in on October 2, 2021 at 19:35 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:29:30 UTC | 2.5ml | 30 km ESE of King Salmon, Alaska 58.559°, -156.205° | 176.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 30 km ESE of King Salmon, Alaska with origin time 19:29 UTC on October 2, 2021. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:22:26 UTC | 3.4mw | 3km N of San Leandro, CA 37.750°, -122.157° | 6.2 km | 1,793 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 3km N of San Leandro, CA on October 2, 2021, with origin time 19:22 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:20:00 UTC | 2.4md | 5 km WSW of Guánica, Puerto Rico 17.944°, -66.955° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 2, 2021 at 19:20 UTC, a magnitude 2.4 earthquake struck 5 km WSW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 13 hours earlier. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:04:50 UTC | 2.1md | 2km NW of Bella Vista, CA 40.654°, -122.256° | 25.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 2km NW of Bella Vista, CA on October 2, 2021 at 19:04 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:04:44 UTC | 2.9ml | 17km ESE of Ridgecrest, CA 35.588°, -117.495° | 7.3 km | 2 | - | - | ✓ Reviewed | USGS → |
On October 2, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 17km ESE of Ridgecrest, CA at 19:04 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 19:02:10 UTC | 2.2ml | 40 km W of Mentone, Texas 31.716°, -104.022° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 40 km W of Mentone, Texas with origin time 19:02 UTC on October 2, 2021. 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 18:57:45 UTC | 3.0ml | 40 km W of Mentone, Texas 31.710°, -104.026° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
October 2, 2021 brought a magnitude 3.0 earthquake 40 km W of Mentone, Texas, logged at 18:57 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-10-02 2021-10-02 18:56:20 UTC | 2.1ml | 75 km N of Chickaloon, Alaska 62.471°, -148.449° | 37.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 75 km N of Chickaloon, Alaska on October 2, 2021 at 18:56 UTC. The event was offshore. 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 2, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.