Earthquakes on October 15, 2020
263
EARTHQUAKES on October 15, 2020
24-hour UTC period · USGS data
19 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
28
M3.0–3.9
9
M2.0–2.9
47
M1.0–1.9
177
Activity Summary
263
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.2
168 km SW of Sungai Penuh, Indonesia
09:41 UTC · 19.0 km deep
5.1
Kermadec Islands region
07:00 UTC · 10.0 km deep
4.9
173 km SW of Sungai Penuh, Indonesia
10:34 UTC · 17.4 km deep
4.9
36 km SW of Meulaboh, Indonesia
04:59 UTC · 48.8 km deep
4.9
21 km W of Villa Basilio Nievas, Argentina
02:20 UTC · 110.3 km deep
Felt by 16
4.8
148 km N of Neiafu, Tonga
01:20 UTC · 54.3 km deep
4.6
Kermadec Islands region
14:09 UTC · 10.0 km deep
4.6
22 km NNE of Limot, Philippines
08:51 UTC · 10.0 km deep
Earthquake Map — October 15, 2020
All Earthquakes — October 15, 2020
Showing 30 of 86 (filtered from 263)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-10-15 2020-10-15 23:06:34 UTC | 2.2ml | 43 km W of Cantwell, Alaska 63.355°, -149.810° | 101.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 43 km W of Cantwell, Alaska with origin time 23:06 UTC on October 15, 2020. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 23:03:57 UTC | 4.3mb | Hokkaido, Japan region 42.437°, 143.754° | 87.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake in the Hokkaido, Japan region came in on October 15, 2020 at 23:03 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 22:49:29 UTC | 2.5ml | 123 km SSW of McCarthy, Alaska 60.361°, -143.467° | 2.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on October 15, 2020, a magnitude 2.5 tremor occurred 123 km SSW of McCarthy, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 22:41:35 UTC | 4.2mb | 256 km W of Haveluloto, Tonga -20.771°, -177.647° | 452.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 15, 2020 at 22:41 UTC, a magnitude 4.2 earthquake struck 256 km W of Haveluloto, Tonga. 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. | ||||||||
2020-10-15 2020-10-15 22:29:08 UTC | 2.7ml | 14 km WNW of Stanley, Idaho 44.284°, -115.101° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 14 km WNW of Stanley, Idaho on October 15, 2020 at 22:29 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 22:06:28 UTC | 4.5mb | 194 km SW of Sungai Penuh, Indonesia -3.324°, 100.182° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 194 km SW of Sungai Penuh, Indonesia on October 15, 2020 at 22:06 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 22:04:14 UTC | 2.2md | 4 km SSW of Guánica, Puerto Rico 17.939°, -66.929° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
October 15, 2020 brought a magnitude 2.2 earthquake 4 km SSW of Guánica, Puerto Rico, logged at 22:04 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 4 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 21:40:56 UTC | 4.0mwr | 8 km NE of Los Amates, Guatemala 15.306°, -89.041° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.0 event was detected 8 km NE of Los Amates, Guatemala on October 15, 2020, with origin time 21:40 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 21:39:05 UTC | 2.5ml | 76 km SSW of Kaktovik, Alaska 69.485°, -144.255° | 6.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 76 km SSW of Kaktovik, Alaska at 21:39 UTC on October 15, 2020. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 21:15:29 UTC | 2.7md | 15 km SSE of Maria Antonia, Puerto Rico 17.848°, -66.845° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 15 km SSE of Maria Antonia, Puerto Rico on October 15, 2020, with origin time 21:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 3 hours earlier. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 21:13:21 UTC | 2.2ml | 4km ENE of Westmorland, CA 33.053°, -115.589° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 4km ENE of Westmorland, CA on October 15, 2020, with origin time 21:13 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 9 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 20:12:52 UTC | 4.3mb | 2 km N of Sheregesh, Russia 52.946°, 87.994° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 2 km N of Sheregesh, Russia on October 15, 2020 at 20:12 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 20:09:52 UTC | 3.2ml | 20 km SE of Wright, Wyoming 43.630°, -105.293° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 20 km SE of Wright, Wyoming on October 15, 2020, with origin time 20:09 UTC. 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. | ||||||||
2020-10-15 2020-10-15 19:50:37 UTC | 2.2ml | 1 km SSE of P?hala, Hawaii 19.191°, -155.471° | 29.9 km | 1 | - | - | Auto | USGS → |
A magnitude 2.2 earthquake was recorded 1 km SSE of P?hala, Hawaii on October 15, 2020 at 19:50 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 19:49:29 UTC | 3.0md | 7 km ESE of La Parguera, Puerto Rico 17.942°, -66.981° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
October 15, 2020 brought a magnitude 3.0 earthquake 7 km ESE of La Parguera, Puerto Rico, logged at 19:49 UTC. It arrived roughly 2 hours after a larger magnitude 3.8 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. | ||||||||
2020-10-15 2020-10-15 19:47:49 UTC | 2.5ml | 80 km NE of Adak, Alaska 52.328°, -175.729° | 166.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 80 km NE of Adak, Alaska on October 15, 2020, with origin time 19:47 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 19:42:31 UTC | 2.7ml | 67 km S of Haines Junction, Canada 60.151°, -137.386° | 1.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 67 km S of Haines Junction, Canada with origin time 19:42 UTC on October 15, 2020. 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. | ||||||||
2020-10-15 2020-10-15 19:31:35 UTC | 2.3md | 18km ENE of Big Pine, CA 37.249°, -118.119° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 18km ENE of Big Pine, CA on October 15, 2020, with origin time 19:31 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 19:20:18 UTC | 2.5ml | 8 km ENE of Kenilworth, Utah 39.711°, -110.714° | -2.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 8 km ENE of Kenilworth, Utah with origin time 19:20 UTC on October 15, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 19 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 19:11:06 UTC | 2.2md | 3 km NNE of La Parguera, Puerto Rico 18.003°, -67.033° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 3 km NNE of La Parguera, Puerto Rico came in on October 15, 2020 at 19:11 UTC. Coming 1 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 18:57:20 UTC | 2.4md | 8 km SE of La Parguera, Puerto Rico 17.931°, -66.980° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 8 km SE of La Parguera, Puerto Rico on October 15, 2020 at 18:57 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 18:14:53 UTC | 2.2ml | 6 km NNW of Red Rock, Oklahoma 36.512°, -97.214° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On October 15, 2020 at 18:14 UTC, a magnitude 2.2 earthquake struck 6 km NNW of Red Rock, Oklahoma. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 18:10:14 UTC | 2.4md | 68 km WSW of Captain Cook, Hawaii 19.224°, -156.503° | 36.7 km | - | - | - | ✓ Reviewed | USGS → |
October 15, 2020 brought a magnitude 2.4 earthquake 68 km WSW of Captain Cook, Hawaii, logged at 18:10 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 18:06:34 UTC | 3.8md | 7 km ESE of La Parguera, Puerto Rico 17.940°, -66.984° | 10.0 km | 27 | III | - | ✓ Reviewed | USGS → |
On October 15, 2020 at 18:06 UTC, a magnitude 3.8 earthquake struck 7 km ESE of La Parguera, Puerto Rico. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 17:51:57 UTC | 4.1mb | 93 km SW of La Esperanza (El Zapotal), Mexico 14.806°, -93.724° | 14.5 km | - | - | - | ✓ Reviewed | USGS → |
On October 15, 2020, worldwide seismic activity registered a magnitude 4.1 earthquake 93 km SW of La Esperanza (El Zapotal), Mexico at 17:51 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 17:14:13 UTC | 2.5md | 7 km S of Indios, Puerto Rico 17.931°, -66.831° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 7 km S of Indios, Puerto Rico on October 15, 2020 at 17:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.7 earthquake that occurred about 5 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 17:07:41 UTC | 2.4ml | 7 km S of Volcano, Hawaii 19.379°, -155.228° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
On October 15, 2020 at 17:07 UTC, a magnitude 2.4 earthquake struck 7 km S of Volcano, Hawaii. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 16:52:41 UTC | 4.4mb | 155 km W of Pariaman, Indonesia -0.472°, 98.733° | 38.3 km | - | - | - | ✓ Reviewed | USGS → |
On October 15, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake 155 km W of Pariaman, Indonesia at 16:52 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 16:41:22 UTC | 2.6ml | 16 km ESE of Elmendorf Air Force Base, Alaska 61.187°, -149.350° | 33.4 km | 14 | - | - | ✓ Reviewed | USGS → |
October 15, 2020 brought a magnitude 2.6 earthquake 16 km ESE of Elmendorf Air Force Base, Alaska, logged at 16:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.1 earthquake that occurred about 1 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-10-15 2020-10-15 16:35:21 UTC | 4.4mb | 290 km E of Levuka, Fiji -18.205°, -177.938° | 566.9 km | - | - | - | ✓ Reviewed | USGS → |
At 16:35 UTC on October 15, 2020, a magnitude 4.4 tremor occurred 290 km E of Levuka, Fiji. 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. | ||||||||
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 15, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.