Earthquakes on October 30, 2020
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
13 km NNE of Néon Karlovásion, Greece
11:51 UTC · 21.0 km deep
Felt by 711
northern Mid-Atlantic Ridge
08:38 UTC · 10.0 km deep
206 km ENE of Olonkinbyen, Svalbard and Jan Mayen
22:56 UTC · 10.0 km deep
51 km NNE of Oxapampa, Peru
18:24 UTC · 36.0 km deep
Felt by 7
38 km E of Auki, Solomon Islands
11:10 UTC · 20.0 km deep
Felt by 1
203 km ENE of Olonkinbyen, Svalbard and Jan Mayen
23:46 UTC · 10.0 km deep
8 km NW of Kokkári, Greece
15:14 UTC · 10.0 km deep
Felt by 7
Fiji region
02:34 UTC · 574.7 km deep
Earthquake Map — October 30, 2020

All Earthquakes — October 30, 2020
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-30 2020-10-30 23:46:45 UTC | 5.3mww | 203 km ENE of Olonkinbyen, Svalbard and Jan Mayen 71.467°, -3.307° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.3 earthquake 203 km ENE of Olonkinbyen, Svalbard and Jan Mayen at 23:46 UTC on October 30, 2020. Coming 1 hours after a magnitude 5.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 23:27:03 UTC | 2.5ml | 108 km SSE of Sand Point, Alaska 54.426°, -159.877° | 18.6 km | - | - | - | ✓ Reviewed | USGS → |
October 30, 2020 brought a magnitude 2.5 earthquake 108 km SSE of Sand Point, Alaska, logged at 23:27 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 19 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 23:11:36 UTC | 2.5ml | 146 km SSE of Sand Point, Alaska 54.147°, -159.515° | 20.4 km | - | - | - | ✓ Reviewed | USGS → |
On October 30, 2020 at 23:11 UTC, a magnitude 2.5 earthquake struck 146 km SSE of Sand Point, Alaska. Coming 2 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:56:47 UTC | 5.6mww | 206 km ENE of Olonkinbyen, Svalbard and Jan Mayen 71.543°, -3.290° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.6 earthquake 206 km ENE of Olonkinbyen, Svalbard and Jan Mayen with origin time 22:56 UTC on October 30, 2020. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:53:22 UTC | 4.1mb | 10 km NNE of Néon Karlovásion, Greece 37.876°, 26.767° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 10 km NNE of Néon Karlovásion, Greece on October 30, 2020, with origin time 22:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.0 earthquake that occurred about 11 hours earlier. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:48:11 UTC | 2.6ml | 124 km SSE of Sand Point, Alaska 54.263°, -159.937° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
On October 30, 2020 at 22:48 UTC, a magnitude 2.6 earthquake struck 124 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 17 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:38:37 UTC | 2.4ml | 93 km SSE of Sand Point, Alaska 54.581°, -159.860° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.4 event was detected 93 km SSE of Sand Point, Alaska on October 30, 2020, with origin time 22:38 UTC. Coming 18 hours after a magnitude 5.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:37:08 UTC | 4.2mb | 5 km WSW of Kokkári, Greece 37.757°, 26.837° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 5 km WSW of Kokkári, Greece on October 30, 2020 at 22:37 UTC. Coming 11 hours after a magnitude 7.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:01:18 UTC | 2.4ml | 93 km SSE of Sand Point, Alaska 54.594°, -159.805° | 14.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 93 km SSE of Sand Point, Alaska came in on October 30, 2020 at 22:01 UTC. It arrived roughly 17 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 22:00:19 UTC | 3.0ml | 104 km SSE of Sand Point, Alaska 54.510°, -159.722° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
October 30, 2020 brought a magnitude 3.0 earthquake 104 km SSE of Sand Point, Alaska, logged at 22:00 UTC. It arrived roughly 17 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:47:35 UTC | 3.2ml | 46 km E of Chenega, Alaska 59.991°, -147.192° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
On October 30, 2020 at 21:47 UTC, a magnitude 3.2 earthquake struck 46 km E of Chenega, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:39:54 UTC | 2.0ml | 55 km NNW of Petersville, Alaska 62.936°, -151.287° | 118.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 55 km NNW of Petersville, Alaska on October 30, 2020 at 21:39 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:34:44 UTC | 3.4ml | 127 km SSE of Sand Point, Alaska 54.300°, -159.646° | 22.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:34 UTC on October 30, 2020, a magnitude 3.4 tremor occurred 127 km SSE of Sand Point, Alaska. It arrived roughly 16 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:33:39 UTC | 2.1ml | 88 km SW of Adak, Alaska 51.382°, -177.643° | 34.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 88 km SW of Adak, Alaska came in on October 30, 2020 at 21:33 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:28:29 UTC | 2.0ml | 4km NNE of Walnut, CA 34.057°, -117.846° | 13.1 km | - | - | - | ✓ Reviewed | USGS → |
October 30, 2020 brought a magnitude 2.0 earthquake 4km NNE of Walnut, CA, logged at 21:28 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:26:23 UTC | 2.1ml | 14 km NW of Stanley, Idaho 44.306°, -115.077° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 14 km NW of Stanley, Idaho at 21:26 UTC on October 30, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 9 hours earlier. 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. | ||||||||
2020-10-30 2020-10-30 21:24:07 UTC | 2.2ml | 6 km NW of Ames, Oklahoma 36.281°, -98.241° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 6 km NW of Ames, Oklahoma on October 30, 2020, with origin time 21:24 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 21:00:34 UTC | 2.9ml | 98 km SSE of Sand Point, Alaska 54.509°, -159.976° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 98 km SSE of Sand Point, Alaska at 21:00 UTC on October 30, 2020. It arrived roughly 16 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:46:13 UTC | 3.0ml | 16 km SW of Stanley, Idaho 44.128°, -115.104° | 11.1 km | 1 | - | - | ✓ Reviewed | USGS → |
On October 30, 2020 at 20:46 UTC, a magnitude 3.0 earthquake struck 16 km SW of Stanley, Idaho. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:32:46 UTC | 4.6mb | 83 km NE of Cabatuan, Philippines 13.132°, 125.667° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 83 km NE of Cabatuan, Philippines on October 30, 2020 at 20:32 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:23:10 UTC | 2.7ml | 85 km SE of King Cove, Alaska 54.612°, -161.247° | 27.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 85 km SE of King Cove, Alaska on October 30, 2020 at 20:23 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:18:48 UTC | 2.8ml | 26 km NW of Stanley, Idaho 44.367°, -115.190° | 16.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 26 km NW of Stanley, Idaho on October 30, 2020, with origin time 20:18 UTC. Coming 8 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:12:37 UTC | 4.8mb | 67 km SSW of Kashgar, China 38.906°, 75.704° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.8 earthquake 67 km SSW of Kashgar, China with origin time 20:12 UTC on October 30, 2020. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 20:05:30 UTC | 2.5ml | 109 km SSE of Sand Point, Alaska 54.449°, -159.752° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 109 km SSE of Sand Point, Alaska on October 30, 2020 at 20:05 UTC. It arrived roughly 15 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 19:41:49 UTC | 4.1mb | 172 km ESE of Labasa, Fiji -16.771°, -179.057° | 553.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 172 km ESE of Labasa, Fiji came in on October 30, 2020 at 19:41 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 19:22:27 UTC | 2.7md | 57km W of Ferndale, CA 40.499°, -124.931° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 57km W of Ferndale, CA came in on October 30, 2020 at 19:22 UTC. 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. | ||||||||
2020-10-30 2020-10-30 19:13:57 UTC | 2.9ml | 110 km SSE of Sand Point, Alaska 54.472°, -159.652° | 33.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 110 km SSE of Sand Point, Alaska on October 30, 2020, with origin time 19:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.1 earthquake that occurred about 15 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 19:09:40 UTC | 4.2mb | 17 km NE of Agios Kirykos, Greece 37.711°, 26.445° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 30, 2020 brought a magnitude 4.2 earthquake 17 km NE of Agios Kirykos, Greece, logged at 19:09 UTC. It arrived roughly 7 hours after a larger magnitude 4.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-30 2020-10-30 19:08:24 UTC | 2.0ml | 5 km SSE of P?hala, Hawaii 19.156°, -155.467° | 32.1 km | - | - | - | Auto | USGS → |
This magnitude 2.0 event was detected 5 km SSE of P?hala, Hawaii on October 30, 2020, with origin time 19:08 UTC. It arrived roughly 11 hours after a larger magnitude 2.8 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. | ||||||||
2020-10-30 2020-10-30 19:04:55 UTC | 4.6mb | 124 km S of Ambon, Indonesia -4.820°, 128.163° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
October 30, 2020 brought a magnitude 4.6 earthquake 124 km S of Ambon, Indonesia, logged at 19:04 UTC. The event was offshore. See the M4.6 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 October 30, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.