Earthquakes on October 17, 2020
265
EARTHQUAKES on October 17, 2020
24-hour UTC period · USGS data
LARGEST: M5.5 — Pacific-Antarctic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
31
M3.0–3.9
7
M2.0–2.9
46
M1.0–1.9
176
Activity Summary
265
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.5
Pacific-Antarctic Ridge
10:49 UTC · 10.0 km deep
5.2
173 km SW of Sungai Penuh, Indonesia
17:56 UTC · 10.0 km deep
5.2
179 km SW of Sungai Penuh, Indonesia
17:55 UTC · 23.4 km deep
5.2
169 km E of Kuril’sk, Russia
04:48 UTC · 60.4 km deep
5.1
187 km SW of Sungai Penuh, Indonesia
00:36 UTC · 10.0 km deep
4.9
133 km ESE of Neiafu, Tonga
05:19 UTC · 10.0 km deep
4.8
Kermadec Islands region
14:19 UTC · 10.0 km deep
4.7
125 km NW of Ternate, Indonesia
05:44 UTC · 56.3 km deep
Earthquake Map — October 17, 2020

All Earthquakes — October 17, 2020
Showing 30 of 89 (filtered from 265)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-17 2020-10-17 23:26:56 UTC | 4.3mb | 79 km SW of Pagar Alam, Indonesia -4.484°, 102.700° | 62.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 79 km SW of Pagar Alam, Indonesia on October 17, 2020, with origin time 23:26 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 23:23:53 UTC | 4.4mb | 197 km ENE of Petropavlovsk-Kamchatsky, Russia 53.678°, 161.429° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 17, 2020 at 23:23 UTC, a magnitude 4.4 earthquake struck 197 km ENE of Petropavlovsk-Kamchatsky, Russia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 23:06:05 UTC | 2.3ml | 6 km WSW of Kendall, Washington 48.893°, -122.221° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 6 km WSW of Kendall, Washington came in on October 17, 2020 at 23:06 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 22:45:25 UTC | 4.4mb | 43 km SW of Shache, China 38.121°, 76.923° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 43 km SW of Shache, China on October 17, 2020 at 22:45 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 21:37:48 UTC | 2.6ml | 7 km N of Nardin, Oklahoma 36.873°, -97.449° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 7 km N of Nardin, Oklahoma with origin time 21:37 UTC on October 17, 2020. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 21:13:58 UTC | 2.2md | 0 km WSW of Guayanilla, Puerto Rico 18.018°, -66.798° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 0 km WSW of Guayanilla, Puerto Rico on October 17, 2020, with origin time 21:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 14 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:59:29 UTC | 4.4mb | south of the Fiji Islands -25.591°, 179.754° | 503.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake south of the Fiji Islands with origin time 20:59 UTC on October 17, 2020. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:58:31 UTC | 4.5mb | 124 km S of Katabu, Indonesia -6.061°, 122.560° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake 124 km S of Katabu, Indonesia at 20:58 UTC on October 17, 2020. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:55:10 UTC | 2.0ml | 79 km SSW of Kaktovik, Alaska 69.507°, -144.597° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
At 20:55 UTC on October 17, 2020, a magnitude 2.0 tremor occurred 79 km SSW of Kaktovik, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:48:59 UTC | 2.0ml | 31 km ESE of Cantwell, Alaska 63.281°, -148.368° | 69.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 31 km ESE of Cantwell, Alaska at 20:48 UTC on October 17, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:40:49 UTC | 2.5md | 15 km SSE of Guánica, Puerto Rico 17.844°, -66.856° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 15 km SSE of Guánica, Puerto Rico at 20:40 UTC on October 17, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 6 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:31:59 UTC | 4.2mb | 8 km SW of Skiáthos, Greece 39.108°, 23.416° | 10.0 km | 7 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 8 km SW of Skiáthos, Greece on October 17, 2020 at 20:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 20:23:05 UTC | 2.3ml | 71 km NNE of White Mountain, Alaska 65.295°, -162.999° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 71 km NNE of White Mountain, Alaska on October 17, 2020 at 20:23 UTC. Coming 1 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 19:49:34 UTC | 2.7ml | 72 km NNE of White Mountain, Alaska 65.308°, -163.008° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 72 km NNE of White Mountain, Alaska on October 17, 2020 at 19:49 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. | ||||||||
2020-10-17 2020-10-17 19:29:31 UTC | 2.1ml | 72 km NNE of White Mountain, Alaska 65.311°, -163.035° | 8.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 17, 2020 at 19:29 UTC, a magnitude 2.1 earthquake struck 72 km NNE of White Mountain, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 19:12:37 UTC | 4.0mb | 47 km SW of Ovalle, Chile -30.907°, -71.541° | 53.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.0 earthquake 47 km SW of Ovalle, Chile with origin time 19:12 UTC on October 17, 2020. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 18:56:54 UTC | 2.1ml | 181 km SSW of Atka, Alaska 50.602°, -174.753° | 25.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 181 km SSW of Atka, Alaska on October 17, 2020 at 18:56 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 18:37:35 UTC | 2.3md | 6 km SE of Maria Antonia, Puerto Rico 17.942°, -66.847° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 6 km SE of Maria Antonia, Puerto Rico on October 17, 2020 at 18:37 UTC. Coming 11 hours after a magnitude 2.7 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. | ||||||||
2020-10-17 2020-10-17 17:56:23 UTC | 5.2mb | 173 km SW of Sungai Penuh, Indonesia -3.273°, 100.404° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.2 earthquake was recorded 173 km SW of Sungai Penuh, Indonesia on October 17, 2020 at 17:56 UTC. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 17:55:00 UTC | 5.2mww | 179 km SW of Sungai Penuh, Indonesia -3.257°, 100.304° | 23.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.2 earthquake 179 km SW of Sungai Penuh, Indonesia with origin time 17:55 UTC on October 17, 2020. The event was offshore. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 17:34:52 UTC | 2.2ml | 2 km NE of P?hala, Hawaii 19.216°, -155.458° | 35.6 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 2 km NE of P?hala, Hawaii came in on October 17, 2020 at 17:34 UTC. Coming 1 hours after a magnitude 2.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 17:21:07 UTC | 4.6mb | 1 km S of Artyshta, Russia 54.105°, 86.295° | 10.0 km | 5 | V | - | ✓ Reviewed | USGS → |
October 17, 2020 brought a magnitude 4.6 earthquake 1 km S of Artyshta, Russia, logged at 17:21 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 17:14:49 UTC | 2.3md | 2 km ENE of P?hala, Hawaii 19.210°, -155.459° | 36.8 km | - | - | - | Auto | USGS → |
On October 17, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 2 km ENE of P?hala, Hawaii at 17:14 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 16:21:30 UTC | 2.4md | 0 km NW of Guayanilla, Puerto Rico 18.024°, -66.795° | 17.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 0 km NW of Guayanilla, Puerto Rico with origin time 16:21 UTC on October 17, 2020. Coming 9 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 16:20:18 UTC | 2.0ml | 62 km E of Pedro Bay, Alaska 59.796°, -153.001° | 101.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 62 km E of Pedro Bay, Alaska on October 17, 2020, with origin time 16:20 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 16:19:48 UTC | 4.3mb | 56 km WSW of Wana, Pakistan 32.022°, 69.074° | 45.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 56 km WSW of Wana, Pakistan came in on October 17, 2020 at 16:19 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 16:13:57 UTC | 2.9ml | 192 km WSW of Adak, Alaska 51.154°, -179.164° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
At 16:13 UTC on October 17, 2020, a magnitude 2.9 tremor occurred 192 km WSW of Adak, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 15:51:02 UTC | 4.2mb | 19 km ESE of Kozyrëvsk, Russia 55.959°, 160.137° | 151.3 km | - | - | - | ✓ Reviewed | USGS → |
October 17, 2020 brought a magnitude 4.2 earthquake 19 km ESE of Kozyrëvsk, Russia, logged at 15:51 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 15:24:54 UTC | 2.0ml | 70 km SSW of Unalaska, Alaska 53.341°, -167.116° | 67.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 70 km SSW of Unalaska, Alaska came in on October 17, 2020 at 15:24 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-17 2020-10-17 15:03:13 UTC | 4.6mb | 23 km NW of Yujing, Taiwan 23.268°, 120.298° | 10.0 km | 15 | - | - | ✓ Reviewed | USGS → |
On October 17, 2020 at 15:03 UTC, a magnitude 4.6 earthquake struck 23 km NW of Yujing, Taiwan. The event was offshore. See the M4.6 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 17, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.