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Earthquakes on September 15, 2020

331
EARTHQUAKES on September 15, 2020
24-hour UTC period · USGS data
344 km deep · 1 person felt it
Elevated activity
compared 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

Earthquake Map — September 15, 2020

Map showing earthquake epicenter at 20.00°, 0.00°

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 ↕MMIAlertStatusDetails
2020-09-15
2020-09-15 23:34:39 UTC
2.1ml
4km NNW of Boron, CA
35.032°, -117.672°
-0.8 km---✓ ReviewedUSGS →
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 km186--✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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-✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---AutoUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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 km2IIIgreen✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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---✓ ReviewedUSGS →
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.