Earthquakes on November 17, 2021
Magnitude Breakdown
Activity Summary
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
56 km WNW of Campo Gallo, Argentina
21:38 UTC · 576.2 km deep
Felt by 5
143 km E of Kokopo, Papua New Guinea
07:39 UTC · 88.1 km deep
Felt by 2
Santa Cruz Islands
23:46 UTC · 35.0 km deep
76 km ENE of Dazhong, China
05:54 UTC · 10.0 km deep
Felt by 34
79 km WNW of Bengkulu, Indonesia
03:30 UTC · 59.8 km deep
3 km NNE of San Francisco Menéndez, El Salvador
19:01 UTC · 98.6 km deep
Felt by 37
27 km SSE of Xunchang, China
15:36 UTC · 10.0 km deep
184 km NE of Gisborne, New Zealand
13:37 UTC · 10.0 km deep
Earthquake Map — November 17, 2021

All Earthquakes — November 17, 2021
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-11-17 2021-11-17 23:46:49 UTC | 5.0mb | Santa Cruz Islands -10.651°, 165.216° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake near Santa Cruz Islands with origin time 23:46 UTC on November 17, 2021. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 23:46:09 UTC | 4.2mb | 109 km S of Kuril’sk, Russia 44.250°, 148.055° | 70.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 109 km S of Kuril’sk, Russia at 23:46 UTC on November 17, 2021. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 23:40:05 UTC | 4.4mb | 53 km WNW of Kirakira, Solomon Islands -10.287°, 161.464° | 82.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 53 km WNW of Kirakira, Solomon Islands came in on November 17, 2021 at 23:40 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 23:32:18 UTC | 4.1mb | 103 km ESE of Antofagasta, Chile -23.895°, -69.413° | 88.5 km | - | - | - | ✓ Reviewed | USGS → |
On November 17, 2021 at 23:32 UTC, a magnitude 4.1 earthquake struck 103 km ESE of Antofagasta, Chile. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 23:22:30 UTC | 2.2ml | 6 km E of P?hala, Hawaii 19.199°, -155.417° | 31.9 km | - | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 6 km E of P?hala, Hawaii on November 17, 2021 at 23:22 UTC. It arrived roughly 21 hours after a larger magnitude 2.6 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. | ||||||||
2021-11-17 2021-11-17 23:19:44 UTC | 4.2mb | 47 km NE of Isole Tremiti, Italy 42.463°, 15.843° | 16.9 km | 5 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.2 event was detected 47 km NE of Isole Tremiti, Italy on November 17, 2021, with origin time 23:19 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 22:54:18 UTC | 4.2mb | 46 km SW of Panguna, Papua New Guinea -6.642°, 155.217° | 56.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 46 km SW of Panguna, Papua New Guinea came in on November 17, 2021 at 22:54 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 22:49:53 UTC | 3.1ml | 63 km SE of Akutan, Alaska 53.668°, -165.215° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 63 km SE of Akutan, Alaska on November 17, 2021 at 22:49 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 22:48:27 UTC | 2.3ml | 8 km E of P?hala, Hawaii 19.209°, -155.401° | 31.4 km | - | - | - | Auto | USGS → |
A magnitude 2.3 seismic event took place 8 km E of P?hala, Hawaii on November 17, 2021 at 22:48 UTC. Coming 20 hours after a magnitude 2.6 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. | ||||||||
2021-11-17 2021-11-17 22:05:03 UTC | 2.4ml | 24 km NW of Stanley, Idaho 44.354°, -115.184° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On November 17, 2021 at 22:05 UTC, a magnitude 2.4 earthquake struck 24 km NW of Stanley, Idaho. It arrived roughly 3 hours after a larger magnitude 2.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:45:21 UTC | 2.3ml | 112 km WNW of Yakutat, Alaska 59.946°, -141.571° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
November 17, 2021 brought a magnitude 2.3 earthquake 112 km WNW of Yakutat, Alaska, logged at 21:45 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:43:10 UTC | 2.9mb_lg | 6 km WSW of Gypsum, Kansas 38.685°, -97.503° | 5.0 km | 15 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 6 km WSW of Gypsum, Kansas on November 17, 2021 at 21:43 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:38:54 UTC | 5.5mww | 56 km WNW of Campo Gallo, Argentina -26.307°, -63.325° | 576.2 km | 5 | I | green | ✓ Reviewed | USGS → |
On November 17, 2021 at 21:38 UTC, a magnitude 5.5 earthquake struck 56 km WNW of Campo Gallo, Argentina. 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 November 17, 2021. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:33:58 UTC | 2.4ml | 41 km SW of Dillon, Montana 44.986°, -113.049° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 41 km SW of Dillon, Montana on November 17, 2021 at 21:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:28:09 UTC | 4.3mb | 12 km ESE of Maumere, Indonesia -8.664°, 122.311° | 147.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 12 km ESE of Maumere, Indonesia on November 17, 2021 at 21:28 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 21:15:24 UTC | 2.1ml | 34 km NW of Stanley, Idaho 44.461°, -115.206° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:15 UTC on November 17, 2021, a magnitude 2.1 tremor occurred 34 km NW of Stanley, Idaho. It arrived roughly 2 hours after a larger magnitude 2.6 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. | ||||||||
2021-11-17 2021-11-17 20:39:57 UTC | 2.0ml | 31 km NNW of Karluk, Alaska 57.837°, -154.606° | 72.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 31 km NNW of Karluk, Alaska with origin time 20:39 UTC on November 17, 2021. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 20:16:19 UTC | 2.0md | 1km NE of San Ramon, CA 37.790°, -121.968° | 9.3 km | 19 | - | - | ✓ Reviewed | USGS → |
On November 17, 2021 at 20:16 UTC, a magnitude 2.0 earthquake struck 1km NE of San Ramon, CA. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 20:06:28 UTC | 2.0md | 1km NE of San Ramon, CA 37.788°, -121.968° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 1km NE of San Ramon, CA on November 17, 2021 at 20:06 UTC. Coming 1 hours after a magnitude 3.9 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. | ||||||||
2021-11-17 2021-11-17 20:04:13 UTC | 3.8md | 182 km N of Charlotte Amalie, U.S. Virgin Islands 19.988°, -65.014° | 29.0 km | 4 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake 182 km N of Charlotte Amalie, U.S. Virgin Islands at 20:04 UTC on November 17, 2021. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:58:46 UTC | 3.0md | 1km NE of San Ramon, CA 37.789°, -121.968° | 9.4 km | 259 | - | - | ✓ Reviewed | USGS → |
On November 17, 2021 at 19:58 UTC, a magnitude 3.0 earthquake struck 1km NE of San Ramon, CA. This event falls inside the aftershock decay of a nearby magnitude 3.9 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. | ||||||||
2021-11-17 2021-11-17 19:55:52 UTC | 2.1ml | 38 km WNW of Happy Valley, Alaska 60.034°, -152.399° | 94.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 38 km WNW of Happy Valley, Alaska on November 17, 2021 at 19:55 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:53:04 UTC | 2.3md | 1km NE of San Ramon, CA 37.788°, -121.968° | 9.4 km | 3 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 1km NE of San Ramon, CA at 19:53 UTC on November 17, 2021. It arrived roughly 1 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:50:15 UTC | 2.1md | 1km NNE of San Ramon, CA 37.791°, -121.970° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 1km NNE of San Ramon, CA on November 17, 2021, with origin time 19:50 UTC. Coming 1 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:46:27 UTC | 2.5md | 1km NE of San Ramon, CA 37.790°, -121.969° | 9.4 km | 39 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 1km NE of San Ramon, CA on November 17, 2021 at 19:46 UTC. It arrived roughly 1 hours after a larger magnitude 3.9 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. | ||||||||
2021-11-17 2021-11-17 19:44:46 UTC | 3.2ml | 2km NE of San Ramon, CA 37.790°, -121.963° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 2km NE of San Ramon, CA came in on November 17, 2021 at 19:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:43:43 UTC | 3.9mw | 1km NE of San Ramon, CA 37.789°, -121.969° | 10.3 km | 4,732 | IV | - | ✓ Reviewed | USGS → |
At 19:43 UTC on November 17, 2021, a magnitude 3.9 tremor occurred 1km NE of San Ramon, CA. In the 72 hours after this event, the USGS recorded 23 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:18:07 UTC | 2.1ml | 130 km SSE of Sand Point, Alaska 54.253°, -159.713° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
November 17, 2021 brought a magnitude 2.1 earthquake 130 km SSE of Sand Point, Alaska, logged at 19:18 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 19:01:49 UTC | 4.9mb | 3 km NNE of San Francisco Menéndez, El Salvador 13.875°, -90.003° | 98.6 km | 37 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 3 km NNE of San Francisco Menéndez, El Salvador at 19:01 UTC on November 17, 2021. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-11-17 2021-11-17 18:46:43 UTC | 2.3ml | 5 km S of P?hala, Hawaii 19.153°, -155.482° | 34.9 km | 1 | - | - | Auto | USGS → |
This magnitude 2.3 event was detected 5 km S of P?hala, Hawaii on November 17, 2021, with origin time 18:46 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 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. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on November 17, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.