Earthquakes on September 20, 2020
279
EARTHQUAKES on September 20, 2020
24-hour UTC period · USGS data
9 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
44
M3.0–3.9
6
M2.0–2.9
56
M1.0–1.9
166
Activity Summary
279
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Significant Earthquakes (M4.5+)
5.6
54 km E of Cortes, Philippines
22:13 UTC · 9.0 km deep
5.5
Galapagos Islands, Ecuador region
09:42 UTC · 10.0 km deep
5.3
83 km E of Cortes, Philippines
22:21 UTC · 10.0 km deep
Felt by 1
5.1
22 km NE of Emirgazi, Turkey
19:08 UTC · 10.0 km deep
Felt by 6
5.1
12 km NE of Falam, Myanmar
01:59 UTC · 53.6 km deep
5.0
184 km W of Panguna, Papua New Guinea
16:55 UTC · 10.0 km deep
5.0
13 km ENE of Tanlad, Philippines
13:28 UTC · 180.5 km deep
Felt by 4
4.8
19 km SE of Kamogawa, Japan
10:48 UTC · 73.6 km deep
Felt by 5
Earthquake Map — September 20, 2020

All Earthquakes — September 20, 2020
Showing 30 of 113 (filtered from 279)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-09-20 2020-09-20 23:54:51 UTC | 4.6mb | 127 km ESE of Yujing, Taiwan 22.799°, 121.650° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020 at 23:54 UTC, a magnitude 4.6 earthquake struck 127 km ESE of Yujing, Taiwan. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 23:33:40 UTC | 2.3ml | 8 km E of P?hala, Hawaii 19.196°, -155.395° | 31.6 km | - | - | - | Auto | USGS → |
At 23:33 UTC on September 20, 2020, a magnitude 2.3 tremor occurred 8 km E of P?hala, Hawaii. It arrived roughly 3 hours after a larger magnitude 2.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 23:18:09 UTC | 2.4ml | 3 km SW of P?hala, Hawaii 19.179°, -155.503° | 36.7 km | - | - | - | Auto | USGS → |
On September 20, 2020 at 23:18 UTC, a magnitude 2.4 earthquake struck 3 km SW of P?hala, Hawaii. Coming 3 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 23:09:04 UTC | 4.4mb | 110 km E of Kokopo, Papua New Guinea -4.471°, 153.260° | 44.4 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020, worldwide seismic activity registered a magnitude 4.4 earthquake 110 km E of Kokopo, Papua New Guinea at 23:09 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:58:54 UTC | 4.1mb | 133 km E of Cortes, Philippines 9.488°, 127.391° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020 at 22:58 UTC, a magnitude 4.1 earthquake struck 133 km E of Cortes, Philippines. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:45:46 UTC | 4.2mb | 112 km SSW of Severo-Kuril’sk, Russia 49.721°, 155.618° | 66.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake 112 km SSW of Severo-Kuril’sk, Russia at 22:45 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:34:20 UTC | 4.1mb | Fiji region -17.349°, -179.277° | 583.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded in the Fiji region on September 20, 2020 at 22:34 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:26:01 UTC | 2.4md | 14km S of Tres Pinos, CA 36.666°, -121.291° | 3.9 km | 3 | - | - | ✓ Reviewed | USGS → |
At 22:26 UTC on September 20, 2020, a magnitude 2.4 tremor occurred 14km S of Tres Pinos, CA. 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. | ||||||||
2020-09-20 2020-09-20 22:24:28 UTC | 2.2ml | 48 km NE of Ouzinkie, Alaska 58.279°, -152.027° | 66.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 48 km NE of Ouzinkie, Alaska on September 20, 2020 at 22:24 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:21:49 UTC | 5.3mww | 83 km E of Cortes, Philippines 9.408°, 126.943° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 83 km E of Cortes, Philippines with origin time 22:21 UTC on September 20, 2020. The event was offshore. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:13:15 UTC | 5.6mww | 54 km E of Cortes, Philippines 9.264°, 126.686° | 9.0 km | - | III | green | ✓ Reviewed | USGS → |
On September 20, 2020 at 22:13 UTC, a magnitude 5.6 earthquake struck 54 km E of Cortes, Philippines. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on September 20, 2020. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:13:09 UTC | 4.1mwr | 64 km SSW of Yonakuni, Japan 23.919°, 122.772° | 38.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake 64 km SSW of Yonakuni, Japan with origin time 22:13 UTC on September 20, 2020. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:12:47 UTC | 2.1md | 9km N of Pinnacles, CA 36.614°, -121.125° | 13.6 km | - | - | - | ✓ Reviewed | USGS → |
At 22:12 UTC on September 20, 2020, a magnitude 2.1 tremor occurred 9km N of Pinnacles, CA. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:12:29 UTC | 2.5ml | 15km WSW of Searles Valley, CA 35.715°, -117.552° | 2.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020 at 22:12 UTC, a magnitude 2.5 earthquake struck 15km WSW of Searles Valley, CA. 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. | ||||||||
2020-09-20 2020-09-20 22:11:46 UTC | 2.1ml | 3 km SSW of P?hala, Hawaii 19.174°, -155.495° | 35.1 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 3 km SSW of P?hala, Hawaii on September 20, 2020 at 22:11 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 2 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 22:07:01 UTC | 2.8ml | 7 km NE of Lake Aluma, Oklahoma 35.589°, -97.393° | 6.8 km | 71 | - | - | ✓ Reviewed | USGS → |
September 20, 2020 brought a magnitude 2.8 earthquake 7 km NE of Lake Aluma, Oklahoma, logged at 22:07 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:50:53 UTC | 2.5ml | 70 km SE of Perryville, Alaska 55.408°, -158.477° | 25.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 70 km SE of Perryville, Alaska on September 20, 2020, with origin time 20:50 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:48:19 UTC | 2.3ml | 56 km E of Teller, Alaska 65.186°, -165.164° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 56 km E of Teller, Alaska with origin time 20:48 UTC on September 20, 2020. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:41:22 UTC | 4.5mb | 52 km ENE of Murghob, Tajikistan 38.301°, 74.542° | 145.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.5 event was detected 52 km ENE of Murghob, Tajikistan on September 20, 2020, with origin time 20:41 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:22:55 UTC | 2.5md | 8 km E of P?hala, Hawaii 19.208°, -155.401° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 8 km E of P?hala, Hawaii with origin time 20:22 UTC on September 20, 2020. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:11:56 UTC | 4.4mb | 62 km WNW of Vallenar, Chile -28.466°, -71.390° | 38.4 km | - | - | - | ✓ Reviewed | USGS → |
At 20:11 UTC on September 20, 2020, a magnitude 4.4 tremor occurred 62 km WNW of Vallenar, Chile. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:10:49 UTC | 2.0md | 3 km WSW of Millers Creek, North Carolina 36.180°, -81.274° | 5.2 km | 6 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 3 km WSW of Millers Creek, North Carolina on September 20, 2020 at 20:10 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 20:09:51 UTC | 2.7md | 5 km SSW of Guánica, Puerto Rico 17.928°, -66.925° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020, worldwide seismic activity registered a magnitude 2.7 earthquake 5 km SSW of Guánica, Puerto Rico at 20:09 UTC. It arrived roughly 1 hours after a larger magnitude 2.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 19:56:48 UTC | 4.6mb | central Mid-Atlantic Ridge 1.160°, -27.101° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded near central Mid-Atlantic Ridge on September 20, 2020 at 19:56 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 19:41:45 UTC | 2.1ml | 14 km N of Fishhook, Alaska 61.876°, -149.275° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 14 km N of Fishhook, Alaska on September 20, 2020, with origin time 19:41 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 19:36:04 UTC | 2.0md | 13 km SW of Goochland, Virginia 37.599°, -77.998° | 0.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 13 km SW of Goochland, Virginia on September 20, 2020 at 19:36 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. | ||||||||
2020-09-20 2020-09-20 19:19:11 UTC | 2.8md | 8 km SSE of Guánica, Puerto Rico 17.902°, -66.873° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 8 km SSE of Guánica, Puerto Rico on September 20, 2020 at 19:19 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 19:08:07 UTC | 5.1mww | 22 km NE of Emirgazi, Turkey 38.018°, 34.042° | 10.0 km | 6 | - | - | ✓ Reviewed | USGS → |
On September 20, 2020, worldwide seismic activity registered a magnitude 5.1 earthquake 22 km NE of Emirgazi, Turkey at 19:08 UTC. The event was offshore. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 18:31:37 UTC | 2.0ml | 86 km SW of Kaktovik, Alaska 69.560°, -145.127° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
September 20, 2020 brought a magnitude 2.0 earthquake 86 km SW of Kaktovik, Alaska, logged at 18:31 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-09-20 2020-09-20 18:24:45 UTC | 2.0ml | 30 km SSE of Mina, Nevada 38.136°, -117.981° | 10.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2020 at 18:24 UTC, a magnitude 2.0 earthquake struck 30 km SSE of Mina, Nevada. Coming 1 hours after a magnitude 2.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 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 20, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.