Earthquakes on September 15, 2020
331
EARTHQUAKES on September 15, 2020
24-hour UTC period · USGS data
LARGEST: M6.4 — 21 km WNW of Esso, Russia
344 km deep · 1 person felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
37
M3.0–3.9
8
M2.0–2.9
68
M1.0–1.9
214
Activity Summary
331
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.4
21 km WNW of Esso, Russia
03:41 UTC · 344.0 km deep
Felt by 1
5.9
156 km NNE of Labasa, Fiji
04:12 UTC · 10.0 km deep
Felt by 1
5.3
14 km SSW of Kod?ri??, Nepal
23:34 UTC · 10.0 km deep
Felt by 186
5.0
117 km SE of Kandrian, Papua New Guinea
15:38 UTC · 10.0 km deep
4.9
189 km NNE of Labasa, Fiji
10:55 UTC · 10.0 km deep
4.7
south of the Kermadec Islands
16:42 UTC · 10.0 km deep
4.7
86 km NNE of Port-Vila, Vanuatu
08:04 UTC · 10.0 km deep
4.7
13 km NW of Zarumilla, Peru
06:44 UTC · 52.9 km deep
Felt by 1
Earthquake Map — September 15, 2020

All Earthquakes — September 15, 2020
Showing 30 of 117 (filtered from 331)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-15 2020-09-15 23:34:39 UTC | 2.1ml | 4km NNW of Boron, CA 35.032°, -117.672° | -0.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2020 at 23:34 UTC, a magnitude 2.1 earthquake struck 4km NNW of Boron, CA. 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. | ||||||||
2020-09-15 2020-09-15 23:34:03 UTC | 5.3mb | 14 km SSW of Kod?ri??, Nepal 27.846°, 85.876° | 10.0 km | 186 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 14 km SSW of Kod?ri??, Nepal with origin time 23:34 UTC on September 15, 2020. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 23:19:16 UTC | 2.5ml | 54 km NNE of Yakutat, Alaska 59.974°, -139.244° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 54 km NNE of Yakutat, Alaska on September 15, 2020 at 23:19 UTC. 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. | ||||||||
2020-09-15 2020-09-15 23:12:44 UTC | 2.9ml | 259 km W of Adak, Alaska 51.939°, 179.594° | 189.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 259 km W of Adak, Alaska with origin time 23:12 UTC on September 15, 2020. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 22:53:12 UTC | 2.2ml | 8 km NW of Stanley, Idaho 44.284°, -115.002° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 8 km NW of Stanley, Idaho with origin time 22:53 UTC on September 15, 2020. Coming 9 hours after a magnitude 2.5 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. | ||||||||
2020-09-15 2020-09-15 22:40:34 UTC | 2.5md | 3 km S of Guánica, Puerto Rico 17.943°, -66.909° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2020 brought a magnitude 2.5 earthquake 3 km S of Guánica, Puerto Rico, logged at 22:40 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 8 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 22:31:45 UTC | 3.4ml | 15 km SE of Ambler, Alaska 66.980°, -157.615° | 10.0 km | - | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 15 km SE of Ambler, Alaska on September 15, 2020 at 22:31 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 22:08:09 UTC | 4.5mb | 92 km WSW of San Juan del Sur, Nicaragua 10.894°, -86.637° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 92 km WSW of San Juan del Sur, Nicaragua with origin time 22:08 UTC on September 15, 2020. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 21:11:22 UTC | 2.5md | 4 km WSW of Guánica, Puerto Rico 17.955°, -66.945° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 4 km WSW of Guánica, Puerto Rico with origin time 21:11 UTC on September 15, 2020. It arrived roughly 6 hours after a larger magnitude 2.9 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. | ||||||||
2020-09-15 2020-09-15 20:09:19 UTC | 2.2ml | 8 km NNE of Stanley, Idaho 44.286°, -114.899° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 8 km NNE of Stanley, Idaho at 20:09 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 19:46:08 UTC | 4.3mb | 142 km NW of Pangai, Tonga -18.962°, -175.365° | 171.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 142 km NW of Pangai, Tonga on September 15, 2020 at 19:46 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 19:33:20 UTC | 4.5mb | 92 km W of Port-Vila, Vanuatu -17.701°, 167.442° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake 92 km W of Port-Vila, Vanuatu at 19:33 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 19:25:15 UTC | 4.0mb | 88 km W of Port-Vila, Vanuatu -17.766°, 167.478° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2020 brought a magnitude 4.0 earthquake 88 km W of Port-Vila, Vanuatu, logged at 19:25 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 19:09:18 UTC | 2.6ml | 72 km ENE of Adak, Alaska 52.060°, -175.620° | 190.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 72 km ENE of Adak, Alaska came in on September 15, 2020 at 19:09 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 18:41:52 UTC | 4.0mb | 98 km W of Tobelo, Indonesia 1.853°, 127.137° | 129.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 15, 2020 at 18:41 UTC, a magnitude 4.0 earthquake struck 98 km W of Tobelo, Indonesia. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 18:22:47 UTC | 2.2ml | 9 km WSW of Burning Man Earth, Nevada 40.750°, -119.336° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 9 km WSW of Burning Man Earth, Nevada at 18:22 UTC on September 15, 2020. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 18:00:51 UTC | 2.1ml | 7 km S of Volcano, Hawaii 19.379°, -155.237° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 7 km S of Volcano, Hawaii on September 15, 2020 at 18:00 UTC. It arrived roughly 1 hours after a larger magnitude 2.2 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2020-09-15 2020-09-15 17:59:55 UTC | 2.4ml | 31 km SE of Mina, Nevada 38.191°, -117.854° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 31 km SE of Mina, Nevada on September 15, 2020 at 17:59 UTC. It arrived roughly 1 hours after a larger magnitude 4.2 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. | ||||||||
2020-09-15 2020-09-15 17:45:40 UTC | 2.2ml | 5 km S of Volcano, Hawaii 19.392°, -155.237° | -1.1 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 5 km S of Volcano, Hawaii on September 15, 2020 at 17:45 UTC. Coming 1 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 17:45:39 UTC | 2.2ml | Island of Hawaii, Hawaii 19.381°, -155.238° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake near Island of Hawaii, Hawaii came in on September 15, 2020 at 17:45 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 17:37:43 UTC | 2.3ml | 28 km SSE of Mina, Nevada 38.156°, -117.968° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 28 km SSE of Mina, Nevada came in on September 15, 2020 at 17:37 UTC. It arrived roughly 1 hours after a larger magnitude 4.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 17:34:44 UTC | 2.1ml | 115 km SSW of Kaktovik, Alaska 69.143°, -144.543° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 115 km SSW of Kaktovik, Alaska with origin time 17:34 UTC on September 15, 2020. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 17:15:28 UTC | 2.3ml | 2 km SSE of P?hala, Hawaii 19.178°, -155.473° | 30.7 km | - | - | - | Auto | USGS → |
On September 15, 2020 at 17:15 UTC, a magnitude 2.3 earthquake struck 2 km SSE of P?hala, Hawaii. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 17:11:45 UTC | 2.6ml | 58 km WNW of Nanwalek, Alaska 59.603°, -152.824° | 89.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 58 km WNW of Nanwalek, Alaska on September 15, 2020 at 17:11 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:52:41 UTC | 2.4ml | 27 km SSE of Mina, Nevada 38.151°, -118.043° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 27 km SSE of Mina, Nevada with origin time 16:52 UTC on September 15, 2020. This event falls inside the aftershock decay of a nearby magnitude 4.2 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:49:09 UTC | 4.3mb | 30 km SSW of San José del Progreso, Mexico 15.834°, -97.793° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2020 brought a magnitude 4.3 earthquake 30 km SSW of San José del Progreso, Mexico, logged at 16:49 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:42:59 UTC | 4.7mb | south of the Kermadec Islands -33.573°, -178.556° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.7 earthquake south of the Kermadec Islands at 16:42 UTC on September 15, 2020. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:33:36 UTC | 4.2ml | 28 km SSE of Mina, Nevada 38.160°, -117.962° | 11.6 km | 2 | III | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 28 km SSE of Mina, Nevada with origin time 16:33 UTC on September 15, 2020. In the 72 hours after this event, the USGS recorded 21 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:22:51 UTC | 4.6mb | 70 km E of Puerto Ocopa, Peru -11.135°, -73.666° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
September 15, 2020 brought a magnitude 4.6 earthquake 70 km E of Puerto Ocopa, Peru, logged at 16:22 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-15 2020-09-15 16:19:45 UTC | 2.3ml | 6 km NNE of Big Lake, Alaska 61.572°, -149.910° | 37.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 6 km NNE of Big Lake, Alaska on September 15, 2020 at 16:19 UTC. See the M2.3 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 September 15, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.