Earthquakes on September 8, 2020
314
EARTHQUAKES on September 8, 2020
24-hour UTC period · USGS data
172 km deep · 4 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
4
M4.0–4.9
35
M3.0–3.9
15
M2.0–2.9
53
M1.0–1.9
207
Activity Summary
314
Total earthquakes
~250
Daily average
Elevated
Activity level
4
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.9
193 km SSE of Amahai, Indonesia
00:45 UTC · 172.0 km deep
Felt by 4
5.4
123 km NE of Hihifo, Tonga
08:28 UTC · 25.0 km deep
Felt by 2
5.0
189 km WSW of Pariaman, Indonesia
04:37 UTC · 10.0 km deep
5.0
48 km NNW of Nago, Japan
02:58 UTC · 57.7 km deep
Felt by 22
4.8
Easter Island region
17:57 UTC · 10.0 km deep
4.8
261 km ESE of Kamaishi, Japan
13:01 UTC · 10.0 km deep
4.7
Banda Sea
15:46 UTC · 112.9 km deep
4.7
14 km E of Sincik, Turkey
10:44 UTC · 10.0 km deep
Felt by 1
Earthquake Map — September 8, 2020
All Earthquakes — September 8, 2020
Showing 30 of 107 (filtered from 314)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-08 2020-09-08 23:36:06 UTC | 3.9mb | 69 km S of King Cove, Alaska 54.441°, -162.407° | 80.8 km | - | - | - | ✓ Reviewed | USGS → |
September 8, 2020 brought a magnitude 3.9 earthquake 69 km S of King Cove, Alaska, logged at 23:36 UTC. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 23:28:07 UTC | 2.1ml | Rat Islands, Aleutian Islands, Alaska 51.645°, 178.811° | 66.3 km | - | - | - | ✓ Reviewed | USGS → |
At 23:28 UTC on September 8, 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. | ||||||||
2020-09-08 2020-09-08 23:12:33 UTC | 2.8ml | 74 km WNW of Yakutat, Alaska 59.798°, -140.947° | 17.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2020 at 23:12 UTC, a magnitude 2.8 earthquake struck 74 km WNW of Yakutat, Alaska. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 23:06:05 UTC | 3.4md | 67 km NW of Aguadilla, Puerto Rico 18.826°, -67.638° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 67 km NW of Aguadilla, Puerto Rico on September 8, 2020, with origin time 23:06 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 22:55:07 UTC | 2.4ml | 2 km WNW of Sheridan, Montana 45.460°, -112.222° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2020 at 22:55 UTC, a magnitude 2.4 earthquake struck 2 km WNW of Sheridan, Montana. 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. | ||||||||
2020-09-08 2020-09-08 22:28:47 UTC | 2.0ml | 95 km SSE of Perryville, Alaska 55.150°, -158.446° | 21.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 95 km SSE of Perryville, Alaska at 22:28 UTC on September 8, 2020. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 22:26:22 UTC | 4.4mb | 46 km WNW of Ovalle, Chile -30.386°, -71.618° | 25.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 46 km WNW of Ovalle, Chile came in on September 8, 2020 at 22:26 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 21:57:24 UTC | 4.3mb | 20 km NW of Marmara, Turkey 40.694°, 27.363° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
On September 8, 2020, worldwide seismic activity registered a magnitude 4.3 earthquake 20 km NW of Marmara, Turkey at 21:57 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 21:50:27 UTC | 2.6ml | 37 km NW of Stanley, Idaho 44.466°, -115.255° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 37 km NW of Stanley, Idaho on September 8, 2020 at 21:50 UTC. Coming 1 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 21:32:40 UTC | 2.2ml | 7 km S of Volcano, Hawaii 19.372°, -155.221° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 7 km S of Volcano, Hawaii with origin time 21:32 UTC on September 8, 2020. Coming 3 hours after a magnitude 2.7 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 20:42:39 UTC | 3.0ml | 31 km NNW of Stanley, Idaho 44.454°, -115.148° | 10.0 km | 5 | - | - | ✓ Reviewed | USGS → |
On September 8, 2020, worldwide seismic activity registered a magnitude 3.0 earthquake 31 km NNW of Stanley, Idaho at 20:42 UTC. Coming 1 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 20:38:02 UTC | 3.2ml | 32 km NW of Stanley, Idaho 44.450°, -115.185° | 13.1 km | 15 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 32 km NW of Stanley, Idaho came in on September 8, 2020 at 20:38 UTC. Coming 1 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 20:24:29 UTC | 4.4mwr | 39 km NNW of Stanley, Idaho 44.535°, -115.154° | 10.0 km | 101 | IV | green | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 39 km NNW of Stanley, Idaho on September 8, 2020 at 20:24 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. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 20:23:48 UTC | 4.0mwr | 39 km NNW of Stanley, Idaho 44.525°, -115.179° | 10.0 km | 19 | III | green | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 39 km NNW of Stanley, Idaho came in on September 8, 2020 at 20:23 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. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 20:22:50 UTC | 2.6md | Puerto Rico region 17.949°, -66.841° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
September 8, 2020 brought a magnitude 2.6 earthquake in the Puerto Rico region, logged at 20:22 UTC. It arrived roughly 13 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 19:48:33 UTC | 2.3md | 5 km SSW of Guánica, Puerto Rico 17.925°, -66.927° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km SSW of Guánica, Puerto Rico at 19:48 UTC. Coming 12 hours after a magnitude 3.2 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. | ||||||||
2020-09-08 2020-09-08 19:43:49 UTC | 2.1ml | 7 km ENE of P?hala, Hawaii 19.238°, -155.418° | 31.1 km | - | - | - | Auto | USGS → |
On September 8, 2020 at 19:43 UTC, a magnitude 2.1 earthquake struck 7 km ENE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 8 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 19:25:52 UTC | 4.2mb | 46 km NNW of Yigo Village, Guam 13.945°, 144.792° | 120.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 46 km NNW of Yigo Village, Guam on September 8, 2020 at 19:25 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 19:02:12 UTC | 2.8ml | 101 km SE of King Cove, Alaska 54.403°, -161.231° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 101 km SE of King Cove, Alaska on September 8, 2020 at 19:02 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 19:01:14 UTC | 2.0ml | 5 km ENE of P?hala, Hawaii 19.231°, -155.432° | 29.1 km | - | - | - | Auto | USGS → |
On September 8, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 5 km ENE of P?hala, Hawaii at 19:01 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 7 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 18:50:04 UTC | 2.1ml | 57 km ESE of Pope-Vannoy Landing, Alaska 59.277°, -153.649° | 107.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 57 km ESE of Pope-Vannoy Landing, Alaska at 18:50 UTC on September 8, 2020. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 18:44:23 UTC | 2.4md | 5 km SSW of Guánica, Puerto Rico 17.924°, -66.922° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 5 km SSW of Guánica, Puerto Rico at 18:44 UTC on September 8, 2020. It arrived roughly 11 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 18:10:21 UTC | 2.7ml | 8 km SSE of Volcano, Hawaii 19.372°, -155.211° | 2.4 km | - | - | - | ✓ Reviewed | USGS → |
At 18:10 UTC on September 8, 2020, a magnitude 2.7 tremor occurred 8 km SSE of Volcano, Hawaii. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 18:09:49 UTC | 2.6ml | 277 km WSW of Adak, Alaska 51.128°, 179.551° | 30.8 km | - | - | - | ✓ Reviewed | USGS → |
On September 8, 2020 at 18:09 UTC, a magnitude 2.6 earthquake struck 277 km WSW of Adak, Alaska. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 18:02:02 UTC | 2.2ml | 16km E of Coso Junction, CA 36.040°, -117.774° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 16km E of Coso Junction, CA on September 8, 2020, with origin time 18:02 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 17:57:56 UTC | 4.8mb | Easter Island region -24.454°, -111.776° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 17:57 UTC on September 8, 2020, a magnitude 4.8 tremor occurred in the Easter Island region. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 17:46:29 UTC | 2.4ml | 16km WNW of Anza, CA 33.587°, -116.836° | 11.9 km | 2 | - | - | ✓ Reviewed | USGS → |
September 8, 2020 brought a magnitude 2.4 earthquake 16km WNW of Anza, CA, logged at 17:46 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 16:55:54 UTC | 2.1ml | 27 km SSE of Mina, Nevada 38.150°, -118.032° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 27 km SSE of Mina, Nevada on September 8, 2020, with origin time 16:55 UTC. It arrived roughly 4 hours after a larger magnitude 3.5 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. | ||||||||
2020-09-08 2020-09-08 16:47:28 UTC | 2.2ml | 206 km W of Adak, Alaska 52.080°, -179.615° | 162.0 km | - | - | - | ✓ Reviewed | USGS → |
September 8, 2020 brought a magnitude 2.2 earthquake 206 km W of Adak, Alaska, logged at 16:47 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-08 2020-09-08 16:32:46 UTC | 2.9ml | 22 km WNW of Stanley, Idaho 44.325°, -115.178° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 22 km WNW of Stanley, Idaho came in on September 8, 2020 at 16:32 UTC. It arrived roughly 4 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 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 8, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.