Earthquakes on September 17, 2020
247
EARTHQUAKES on September 17, 2020
24-hour UTC period · USGS data
LARGEST: M5.7 — central Mid-Atlantic Ridge
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
32
M3.0–3.9
5
M2.0–2.9
45
M1.0–1.9
160
Activity Summary
247
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
5.7
central Mid-Atlantic Ridge
03:00 UTC · 10.0 km deep
5.5
260 km SSE of Alo, Wallis and Futuna
17:01 UTC · 10.0 km deep
5.5
Banda Sea
10:32 UTC · 185.0 km deep
Felt by 4
5.2
7 km SW of Belisario Domínguez, Mexico
01:13 UTC · 95.6 km deep
Felt by 10
5.0
68 km W of Panguna, Papua New Guinea
03:27 UTC · 71.8 km deep
4.9
91 km WNW of Abepura, Indonesia
16:01 UTC · 35.0 km deep
4.8
47 km SSW of Duki, Pakistan
16:42 UTC · 24.3 km deep
Felt by 2
4.8
258 km ESE of Tadine, New Caledonia
15:40 UTC · 43.8 km deep
Earthquake Map — September 17, 2020
All Earthquakes — September 17, 2020
Showing 30 of 87 (filtered from 247)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-17 2020-09-17 23:32:56 UTC | 4.3mb | 77 km WSW of Kýthira, Greece 35.930°, 22.177° | 39.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:32 UTC on September 17, 2020, a magnitude 4.3 tremor occurred 77 km WSW of Kýthira, Greece. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 23:29:29 UTC | 2.6ml | 17km SSE of Lone Pine, CA 36.443°, -117.993° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 17km SSE of Lone Pine, CA with origin time 23:29 UTC on September 17, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 8 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 23:06:00 UTC | 2.0ml | 30 km SE of Mina, Nevada 38.182°, -117.879° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 17, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 30 km SE of Mina, Nevada at 23:06 UTC. Coming 6 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 22:42:31 UTC | 2.1md | 10 km E of P?hala, Hawaii 19.211°, -155.375° | 31.3 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 10 km E of P?hala, Hawaii on September 17, 2020 at 22:42 UTC. Coming 12 hours after a magnitude 2.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 21:51:09 UTC | 2.1md | 4 km SSE of P?hala, Hawaii 19.167°, -155.466° | 32.8 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 4 km SSE of P?hala, Hawaii with origin time 21:51 UTC on September 17, 2020. It arrived roughly 11 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 21:07:06 UTC | 2.1md | 5 km SE of P?hala, Hawaii 19.165°, -155.446° | 30.6 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 5 km SE of P?hala, Hawaii on September 17, 2020 at 21:07 UTC. It arrived roughly 10 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 20:57:23 UTC | 2.5ml | 18km N of Olancha, CA 36.440°, -117.994° | 4.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 17, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 18km N of Olancha, CA at 20:57 UTC. Coming 6 hours after a magnitude 3.1 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 20:52:56 UTC | 2.7md | 7 km WSW of Guánica, Puerto Rico 17.944°, -66.969° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 7 km WSW of Guánica, Puerto Rico at 20:52 UTC on September 17, 2020. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 20:34:19 UTC | 2.0ml | 18km SSE of Big Bear Lake, CA 34.088°, -116.851° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
At 20:34 UTC on September 17, 2020, a magnitude 2.0 tremor occurred 18km SSE of Big Bear Lake, CA. 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. | ||||||||
2020-09-17 2020-09-17 20:31:16 UTC | 2.2md | 5 km SW of Volcano, Hawaii 19.406°, -155.269° | 0.7 km | - | - | - | Auto | USGS → |
September 17, 2020 brought a magnitude 2.2 earthquake 5 km SW of Volcano, Hawaii, logged at 20:31 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. | ||||||||
2020-09-17 2020-09-17 19:44:42 UTC | 3.9mb | 219 km SE of Sand Point, Alaska 53.919°, -158.138° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.9 earthquake 219 km SE of Sand Point, Alaska came in on September 17, 2020 at 19:44 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 19:21:58 UTC | 2.1ml | 32 km SSW of Mina, Nevada 38.103°, -118.189° | 2.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 17, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 32 km SSW of Mina, Nevada at 19:21 UTC. In the 72 hours after this event, the USGS recorded 3 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. | ||||||||
2020-09-17 2020-09-17 18:46:34 UTC | 2.6ml | 94 km SSW of Sand Point, Alaska 54.513°, -160.839° | 22.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 94 km SSW of Sand Point, Alaska on September 17, 2020 at 18:46 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:44:46 UTC | 4.4mb | 169 km WSW of Ovalle, Chile -31.104°, -72.872° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 169 km WSW of Ovalle, Chile on September 17, 2020 at 18:44 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:36:25 UTC | 2.9md | 2km NE of The Geysers, CA 38.792°, -122.742° | 1.1 km | 6 | - | - | ✓ Reviewed | USGS → |
On September 17, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 2km NE of The Geysers, CA at 18:36 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:30:16 UTC | 2.0md | 8km SSW of Tres Pinos, CA 36.723°, -121.343° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 8km SSW of Tres Pinos, CA with origin time 18:30 UTC on September 17, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.8 earthquake that occurred about 10 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:24:29 UTC | 4.1mb | 84 km NE of San Pedro de Atacama, Chile -22.426°, -67.570° | 167.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 84 km NE of San Pedro de Atacama, Chile with origin time 18:24 UTC on September 17, 2020. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:22:57 UTC | 2.1ml | Rat Islands, Aleutian Islands, Alaska 51.736°, 178.702° | 79.3 km | - | - | - | ✓ Reviewed | USGS → |
At 18:22 UTC on September 17, 2020, a magnitude 2.1 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 18:19:26 UTC | 2.0ml | 111 km WSW of Adak, Alaska 51.530°, -178.143° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 111 km WSW of Adak, Alaska at 18:19 UTC on September 17, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 17:17:05 UTC | 2.5ml | 30 km SE of Mina, Nevada 38.185°, -117.886° | 4.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 30 km SE of Mina, Nevada came in on September 17, 2020 at 17:17 UTC. In the 72 hours after this event, the USGS recorded 9 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 17:03:18 UTC | 2.1ml | 10 km ESE of Jefferson, Oklahoma 36.696°, -97.676° | 7.4 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 10 km ESE of Jefferson, Oklahoma on September 17, 2020, with origin time 17:03 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 17:01:31 UTC | 5.5mww | 260 km SSE of Alo, Wallis and Futuna -16.518°, -177.259° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
A magnitude 5.5 earthquake was recorded 260 km SSE of Alo, Wallis and Futuna on September 17, 2020 at 17:01 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 16:59:32 UTC | 2.6ml | 38 km ENE of Wales, Alaska 65.678°, -167.265° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2020 brought a magnitude 2.6 earthquake 38 km ENE of Wales, Alaska, logged at 16:59 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 16:42:36 UTC | 4.8mb | 47 km SSW of Duki, Pakistan 29.791°, 68.311° | 24.3 km | 2 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.8 event was detected 47 km SSW of Duki, Pakistan on September 17, 2020, with origin time 16:42 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 16:01:15 UTC | 4.9mb | 91 km WNW of Abepura, Indonesia -2.371°, 139.836° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.9 earthquake 91 km WNW of Abepura, Indonesia at 16:01 UTC on September 17, 2020. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 15:59:00 UTC | 2.4ml | 22 km WNW of Stanley, Idaho 44.299°, -115.190° | 14.6 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 17, 2020 at 15:59 UTC, a magnitude 2.4 earthquake struck 22 km WNW of Stanley, Idaho. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 15:40:51 UTC | 4.8mb | 258 km ESE of Tadine, New Caledonia -22.201°, 170.278° | 43.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake 258 km ESE of Tadine, New Caledonia came in on September 17, 2020 at 15:40 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 15:20:07 UTC | 3.1ml | 18km SSE of Lone Pine, CA 36.442°, -117.992° | 3.7 km | 4 | - | - | ✓ Reviewed | USGS → |
On September 17, 2020 at 15:20 UTC, a magnitude 3.1 earthquake struck 18km SSE of Lone Pine, CA. 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 15:17:55 UTC | 2.4md | 2 km NNE of Magas Arriba, Puerto Rico 18.039°, -66.764° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
September 17, 2020 brought a magnitude 2.4 earthquake 2 km NNE of Magas Arriba, Puerto Rico, logged at 15:17 UTC. Coming 6 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-17 2020-09-17 14:54:30 UTC | 2.1ml | 10 km ENE of P?hala, Hawaii 19.248°, -155.386° | 29.9 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 10 km ENE of P?hala, Hawaii on September 17, 2020 at 14:54 UTC. It arrived roughly 4 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 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 17, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.