Earthquakes on October 27, 2020
380
EARTHQUAKES on October 27, 2020
24-hour UTC period · USGS data
22 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
36
M3.0–3.9
29
M2.0–2.9
131
M1.0–1.9
183
Activity Summary
380
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
54 km NNE of Mamuju, Indonesia
19:43 UTC · 22.0 km deep
Felt by 1
4.8
South Shetland Islands
14:38 UTC · 2.8 km deep
4.7
14 km WNW of Machachi, Ecuador
11:59 UTC · 7.7 km deep
Felt by 6
4.6
91 km WNW of Tari, Papua New Guinea
22:56 UTC · 49.7 km deep
4.6
central Mid-Atlantic Ridge
20:51 UTC · 10.0 km deep
4.6
South Shetland Islands
15:01 UTC · 10.0 km deep
4.6
South Shetland Islands
11:13 UTC · 10.0 km deep
4.6
39 km SE of Roghun, Tajikistan
09:57 UTC · 10.0 km deep
Earthquake Map — October 27, 2020
All Earthquakes — October 27, 2020
Showing 30 of 197 (filtered from 380)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-27 2020-10-27 23:48:51 UTC | 2.7md | 7 km ESE of La Parguera, Puerto Rico 17.943°, -66.986° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 7 km ESE of La Parguera, Puerto Rico came in on October 27, 2020 at 23:48 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 23:45:33 UTC | 2.0ml | 58 km ESE of Pedro Bay, Alaska 59.530°, -153.210° | 98.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 23:45 UTC, a magnitude 2.0 earthquake struck 58 km ESE of Pedro Bay, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 23:38:01 UTC | 4.5mb | 95 km SSE of Basco, Philippines 19.620°, 122.220° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 23:38 UTC, a magnitude 4.5 earthquake struck 95 km SSE of Basco, Philippines. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 23:23:06 UTC | 2.3md | 5 km SSW of Indios, Puerto Rico 17.948°, -66.844° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 5 km SSW of Indios, Puerto Rico came in on October 27, 2020 at 23:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 11 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 23:18:51 UTC | 2.8ml | 18km SSE of Lone Pine, CA 36.453°, -117.961° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:18 UTC on October 27, 2020, a magnitude 2.8 tremor occurred 18km SSE of Lone Pine, CA. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:56:13 UTC | 4.6mb | 91 km WNW of Tari, Papua New Guinea -5.522°, 142.183° | 49.7 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020, worldwide seismic activity registered a magnitude 4.6 earthquake 91 km WNW of Tari, Papua New Guinea at 22:56 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:54:44 UTC | 2.1md | 6km SSW of Yountville, CA 38.355°, -122.392° | 7.9 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 22:54 UTC, a magnitude 2.1 earthquake struck 6km SSW of Yountville, CA. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:51:29 UTC | 2.0ml | 5 km SE of Paradise, Nevada 36.057°, -115.104° | 12.2 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 5 km SE of Paradise, Nevada on October 27, 2020 at 22:51 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:50:34 UTC | 4.4mb | 43 km NNE of Mamuju, Indonesia -2.344°, 119.082° | 29.9 km | - | - | - | ✓ Reviewed | USGS → |
At 22:50 UTC on October 27, 2020, a magnitude 4.4 tremor occurred 43 km NNE of Mamuju, Indonesia. Coming 3 hours after a magnitude 5.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:14:21 UTC | 3.8mwr | 93 km SSE of Sand Point, Alaska 54.620°, -159.731° | 30.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.8 earthquake 93 km SSE of Sand Point, Alaska came in on October 27, 2020 at 22:14 UTC. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 22:05:46 UTC | 2.1ml | 23 km NW of Stanley, Idaho 44.346°, -115.177° | 3.4 km | - | - | - | ✓ Reviewed | USGS → |
October 27, 2020 brought a magnitude 2.1 earthquake 23 km NW of Stanley, Idaho, logged at 22:05 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 14 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. | ||||||||
2020-10-27 2020-10-27 21:50:16 UTC | 2.6ml | 246 km S of False Pass, Alaska 52.658°, -162.893° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 21:50 UTC, a magnitude 2.6 earthquake struck 246 km S of False Pass, Alaska. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:42:14 UTC | 2.8ml | 76 km ESE of Sand Point, Alaska 55.052°, -159.410° | 9.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 76 km ESE of Sand Point, Alaska at 21:42 UTC on October 27, 2020. It arrived roughly 1 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:40:36 UTC | 2.3ml | 142 km SSE of Sand Point, Alaska 54.133°, -159.727° | 24.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 142 km SSE of Sand Point, Alaska on October 27, 2020 at 21:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 8 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:34:21 UTC | 4.3mb | 267 km E of Levuka, Fiji -18.352°, -178.172° | 470.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 267 km E of Levuka, Fiji on October 27, 2020 at 21:34 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:33:26 UTC | 3.0ml | 79 km ESE of Sand Point, Alaska 55.041°, -159.367° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 79 km ESE of Sand Point, Alaska with origin time 21:33 UTC on October 27, 2020. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:24:16 UTC | 2.7ml | 111 km SSE of Sand Point, Alaska 54.393°, -159.928° | 21.1 km | - | - | - | ✓ Reviewed | USGS → |
October 27, 2020 brought a magnitude 2.7 earthquake 111 km SSE of Sand Point, Alaska, logged at 21:24 UTC. Coming 17 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:22:45 UTC | 2.1ml | 11km SW of Niland, CA 33.185°, -115.616° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 11km SW of Niland, CA on October 27, 2020 at 21:22 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 1 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. | ||||||||
2020-10-27 2020-10-27 21:17:26 UTC | 2.0ml | 117 km SSE of Sand Point, Alaska 54.331°, -159.940° | 15.7 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 117 km SSE of Sand Point, Alaska with origin time 21:17 UTC on October 27, 2020. Coming 16 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 21:13:51 UTC | 2.0ml | British Columbia, Canada 49.398°, -120.557° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake near British Columbia, Canada at 21:13 UTC on October 27, 2020. 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. | ||||||||
2020-10-27 2020-10-27 21:11:03 UTC | 2.0ml | 8 km WSW of Volcano, Hawaii 19.414°, -155.313° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 8 km WSW of Volcano, Hawaii on October 27, 2020, with origin time 21:11 UTC. Coming 17 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2020-10-27 2020-10-27 21:00:39 UTC | 4.2mb | 73 km NE of Mamuju, Indonesia -2.184°, 119.332° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.2 earthquake 73 km NE of Mamuju, Indonesia at 21:00 UTC on October 27, 2020. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 20:59:10 UTC | 2.5ml | 127 km SSE of Sand Point, Alaska 54.336°, -159.548° | 32.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 20:59 UTC, a magnitude 2.5 earthquake struck 127 km SSE of Sand Point, Alaska. Coming 16 hours after a magnitude 4.2 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. | ||||||||
2020-10-27 2020-10-27 20:51:15 UTC | 4.6mb | central Mid-Atlantic Ridge 7.516°, -36.718° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:51 UTC on October 27, 2020, a magnitude 4.6 tremor occurred near central Mid-Atlantic Ridge. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 20:48:01 UTC | 2.7ml | 49 km W of Mentone, Texas 31.712°, -104.123° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020 at 20:48 UTC, a magnitude 2.7 earthquake struck 49 km W of Mentone, Texas. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 20:47:31 UTC | 4.3mb | 153 km SSE of Sand Point, Alaska 54.042°, -159.658° | 18.0 km | - | - | - | ✓ Reviewed | USGS → |
October 27, 2020 brought a magnitude 4.3 earthquake 153 km SSE of Sand Point, Alaska, logged at 20:47 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 7 hours earlier. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 20:37:11 UTC | 2.0ml | 120 km SSE of Sand Point, Alaska 54.387°, -159.587° | 26.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 27, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 120 km SSE of Sand Point, Alaska at 20:37 UTC. It arrived roughly 16 hours after a larger magnitude 4.2 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. | ||||||||
2020-10-27 2020-10-27 20:25:11 UTC | 2.8ml | 126 km SSE of Sand Point, Alaska 54.312°, -159.658° | 22.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.8 event was detected 126 km SSE of Sand Point, Alaska on October 27, 2020, with origin time 20:25 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 3 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-27 2020-10-27 20:23:38 UTC | 2.1ml | 11km SW of Niland, CA 33.183°, -115.615° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 11km SW of Niland, CA came in on October 27, 2020 at 20:23 UTC. 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. | ||||||||
2020-10-27 2020-10-27 20:14:21 UTC | 4.0mb | 143 km S of Vilyuchinsk, Russia 51.661°, 158.796° | 53.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 143 km S of Vilyuchinsk, Russia at 20:14 UTC on October 27, 2020. The event was offshore. See the M4.0 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 27, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.