Earthquakes on September 16, 2020
284
EARTHQUAKES on September 16, 2020
24-hour UTC period · USGS data
102 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
26
M3.0–3.9
14
M2.0–2.9
49
M1.0–1.9
194
Activity Summary
284
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
southeast of the Loyalty Islands
08:44 UTC · 102.0 km deep
4.9
south of the Kermadec Islands
15:08 UTC · 28.6 km deep
4.9
47 km WNW of Auki, Solomon Islands
06:48 UTC · 52.1 km deep
4.7
44 km SW of Jiquilillo, Nicaragua
18:14 UTC · 51.5 km deep
Felt by 1
4.7
southeast Indian Ridge
18:00 UTC · 10.0 km deep
4.6
15 km N of Güroymak, Turkey
14:48 UTC · 10.0 km deep
4.6
Mid-Indian Ridge
02:36 UTC · 10.0 km deep
4.6
Mid-Indian Ridge
02:34 UTC · 10.0 km deep
Earthquake Map — September 16, 2020

All Earthquakes — September 16, 2020
Showing 30 of 90 (filtered from 284)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-16 2020-09-16 23:41:07 UTC | 3.8md | 151 km NNE of Cruz Bay, U.S. Virgin Islands 19.498°, -64.042° | 72.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.8 earthquake 151 km NNE of Cruz Bay, U.S. Virgin Islands came in on September 16, 2020 at 23:41 UTC. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 23:40:29 UTC | 2.3ml | 49 km WSW of Fort McPherson, Canada 67.290°, -135.966° | 22.6 km | - | - | - | ✓ Reviewed | USGS → |
At 23:40 UTC on September 16, 2020, a magnitude 2.3 tremor occurred 49 km WSW of Fort McPherson, Canada. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 23:26:06 UTC | 2.0ml | 13km SW of Searles Valley, CA 35.677°, -117.501° | 10.9 km | - | - | - | ✓ Reviewed | USGS → |
September 16, 2020 brought a magnitude 2.0 earthquake 13km SW of Searles Valley, CA, logged at 23:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.1 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 23:20:20 UTC | 3.3ml | 44 km E of Pedro Bay, Alaska 59.851°, -153.332° | 130.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2020, worldwide seismic activity registered a magnitude 3.3 earthquake 44 km E of Pedro Bay, Alaska at 23:20 UTC. It arrived roughly 6 hours after a larger magnitude 3.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 23:12:33 UTC | 2.4md | 6km SSE of San Juan Bautista, CA 36.796°, -121.519° | 5.1 km | 5 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 6km SSE of San Juan Bautista, CA came in on September 16, 2020 at 23:12 UTC. It arrived roughly 22 hours after a larger magnitude 2.5 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. | ||||||||
2020-09-16 2020-09-16 23:05:17 UTC | 2.5md | 0 km SE of Palomas, Puerto Rico 18.010°, -66.871° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 0 km SE of Palomas, Puerto Rico on September 16, 2020 at 23:05 UTC. It arrived roughly 1 hours after a larger magnitude 3.1 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 22:56:00 UTC | 4.0mb | 59 km SSW of Palimbang, Philippines 5.754°, 123.906° | 534.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:56 UTC on September 16, 2020, a magnitude 4.0 tremor occurred 59 km SSW of Palimbang, Philippines. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 22:44:26 UTC | 3.5md | 116 km NNE of Suárez, Puerto Rico 19.460°, -65.625° | 30.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 earthquake was recorded 116 km NNE of Suárez, Puerto Rico on September 16, 2020 at 22:44 UTC. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 22:41:30 UTC | 4.3mb | 102 km ESE of Shizunai-furukawach?, Japan 41.865°, 143.428° | 37.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 102 km ESE of Shizunai-furukawach?, Japan at 22:41 UTC on September 16, 2020. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 22:32:10 UTC | 2.4md | 6 km SE of Maria Antonia, Puerto Rico 17.931°, -66.846° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 6 km SE of Maria Antonia, Puerto Rico with origin time 22:32 UTC on September 16, 2020. Coming 1 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 22:28:34 UTC | 2.3md | 8 km WSW of Guánica, Puerto Rico 17.942°, -66.978° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 8 km WSW of Guánica, Puerto Rico at 22:28 UTC. It arrived roughly 1 hours after a larger magnitude 3.1 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. | ||||||||
2020-09-16 2020-09-16 22:04:20 UTC | 4.0mb | 121 km NNE of Hihifo, Tonga -14.927°, -173.400° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 121 km NNE of Hihifo, Tonga at 22:04 UTC on September 16, 2020. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 21:57:50 UTC | 3.1ml | 2 km ESE of Maria Antonia, Puerto Rico 17.969°, -66.870° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 2 km ESE of Maria Antonia, Puerto Rico at 21:57 UTC on September 16, 2020. 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 21:51:01 UTC | 2.0ml | 13 km NE of Sprague, Washington 47.397°, -117.864° | -0.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 13 km NE of Sprague, Washington on September 16, 2020 at 21:51 UTC. 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. | ||||||||
2020-09-16 2020-09-16 21:32:00 UTC | 2.0ml | 26 km ESE of Denali National Park, Alaska 63.487°, -151.212° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 26 km ESE of Denali National Park, Alaska at 21:32 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 21:31:07 UTC | 4.3mb | 24 km SSE of Khorugh, Tajikistan 37.285°, 71.658° | 117.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.3 event was detected 24 km SSE of Khorugh, Tajikistan on September 16, 2020, with origin time 21:31 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 20:34:00 UTC | 2.2ml | 3 km W of Mehama, Oregon 44.795°, -122.662° | -0.4 km | - | - | - | ✓ Reviewed | USGS → |
September 16, 2020 brought a magnitude 2.2 earthquake 3 km W of Mehama, Oregon, logged at 20:34 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. | ||||||||
2020-09-16 2020-09-16 20:28:59 UTC | 2.1ml | 13km ENE of Ridgecrest, CA 35.675°, -117.552° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
At 20:28 UTC on September 16, 2020, a magnitude 2.1 tremor occurred 13km ENE of Ridgecrest, CA. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 20:26:14 UTC | 2.5ml | 37 km ENE of Pedro Bay, Alaska 59.917°, -153.489° | 145.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 37 km ENE of Pedro Bay, Alaska with origin time 20:26 UTC on September 16, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.6 earthquake that occurred about 3 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 20:08:47 UTC | 3.0md | 10 km SSE of Guánica, Puerto Rico 17.883°, -66.883° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
September 16, 2020 brought a magnitude 3.0 earthquake 10 km SSE of Guánica, Puerto Rico, logged at 20:08 UTC. It arrived roughly 15 hours after a larger magnitude 3.0 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. | ||||||||
2020-09-16 2020-09-16 19:55:22 UTC | 2.0ml | Rat Islands, Aleutian Islands, Alaska 51.471°, 179.021° | 58.8 km | - | - | - | ✓ Reviewed | USGS → |
At 19:55 UTC on September 16, 2020, a magnitude 2.0 tremor occurred near Rat Islands, Aleutian Islands, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 19:44:16 UTC | 4.4mb | 46 km SW of Kirakira, Solomon Islands -10.730°, 161.605° | 81.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 46 km SW of Kirakira, Solomon Islands with origin time 19:44 UTC on September 16, 2020. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 19:37:53 UTC | 2.1ml | 7 km S of Volcano, Hawaii 19.373°, -155.224° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 7 km S of Volcano, Hawaii on September 16, 2020 at 19:37 UTC. Coming 12 hours after a magnitude 2.4 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 19:34:30 UTC | 2.0ml | 37 km NW of Mentasta Lake, Alaska 63.114°, -144.368° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 37 km NW of Mentasta Lake, Alaska at 19:34 UTC on September 16, 2020. 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. | ||||||||
2020-09-16 2020-09-16 19:04:50 UTC | 4.3mb | 10 km S of Hakodate, Japan 41.679°, 140.756° | 133.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 10 km S of Hakodate, Japan came in on September 16, 2020 at 19:04 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 18:52:08 UTC | 2.1ml | 1 km S of P?hala, Hawaii 19.192°, -155.476° | 29.0 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.1 earthquake 1 km S of P?hala, Hawaii with origin time 18:52 UTC on September 16, 2020. It arrived roughly 5 hours after a larger magnitude 2.3 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. | ||||||||
2020-09-16 2020-09-16 18:30:47 UTC | 3.0md | 8 km S of Indios, Puerto Rico 17.918°, -66.825° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 8 km S of Indios, Puerto Rico on September 16, 2020 at 18:30 UTC. Coming 13 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 18:29:13 UTC | 2.1md | 12km NW of Covelo, CA 39.855°, -123.368° | 5.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 12km NW of Covelo, CA came in on September 16, 2020 at 18:29 UTC. Coming 5 hours after a magnitude 2.7 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. | ||||||||
2020-09-16 2020-09-16 18:24:09 UTC | 4.1mb | 91 km SSE of Gorontalo, Indonesia -0.167°, 123.492° | 105.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 91 km SSE of Gorontalo, Indonesia with origin time 18:24 UTC on September 16, 2020. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-16 2020-09-16 18:14:10 UTC | 4.7mb | 44 km SW of Jiquilillo, Nicaragua 12.469°, -87.753° | 51.5 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 16, 2020, worldwide seismic activity registered a magnitude 4.7 earthquake 44 km SW of Jiquilillo, Nicaragua at 18:14 UTC. The event was offshore. See the M4.7 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 16, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.