Earthquakes on September 20, 2026
169
EARTHQUAKES on September 20, 2026
24-hour UTC period · USGS data
104 km deep · 30 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
15
M3.0–3.9
10
M2.0–2.9
47
M1.0–1.9
87
Activity Summary
169
Total earthquakes
~250
Daily average
Normal
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.4
49 km NNE of Kainantu, Papua New Guinea
09:17 UTC · 104.3 km deep
Felt by 30
5.7
south of Africa
20:54 UTC · 10.0 km deep
5.4
68 km NNE of Kainantu, Papua New Guinea
12:45 UTC · 116.0 km deep
Felt by 7
5.3
64 km W of Cafayate, Argentina
08:47 UTC · 10.0 km deep
Felt by 3
5.3
108 km ESE of Yigo Village, Guam
03:43 UTC · 10.0 km deep
5.3
Reykjanes Ridge
00:58 UTC · 10.0 km deep
5.2
109 km W of Hihifo, Tonga
13:00 UTC · 10.0 km deep
5.1
14 km WNW of Naze, Japan
07:28 UTC · 68.8 km deep
Felt by 1
Earthquake Map — September 20, 2026
All Earthquakes — September 20, 2026
Showing 30 of 82 (filtered from 169)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
10 hours ago 2026-09-20 23:45:18 UTC | 2.2md | 3 km SW of Guánica, Puerto Rico 17.949°, -66.931° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 3 km SW of Guánica, Puerto Rico at 23:45 UTC on September 20, 2026. Coming 3 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-09-20 23:38:39 UTC | 2.5md | 3 km WSW of Fuig, Puerto Rico 17.970°, -66.946° | 7.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 3 km WSW of Fuig, Puerto Rico at 23:38 UTC on September 20, 2026. It arrived roughly 3 hours after a larger magnitude 3.0 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. | ||||||||
11 hours ago 2026-09-20 23:31:39 UTC | 2.0ml | 77 km W of Karluk, Alaska 57.661°, -155.747° | 5.0 km | - | - | - | Auto | USGS → |
September 20, 2026 brought a magnitude 2.0 earthquake 77 km W of Karluk, Alaska, logged at 23:31 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-09-20 23:25:37 UTC | 4.6mww | 25 km SSW of Shikotan, Russia 43.601°, 146.576° | 57.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 25 km SSW of Shikotan, Russia on September 20, 2026, with origin time 23:25 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
11 hours ago 2026-09-20 22:51:21 UTC | 4.9mb | 172 km SSE of Lata, Solomon Islands -12.240°, 166.153° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2026 at 22:51 UTC, a magnitude 4.9 earthquake struck 172 km SSE of Lata, Solomon Islands. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-09-20 22:13:43 UTC | 2.4ml | 14 km NNE of Pāhala, Hawaii 19.328°, -155.444° | 25.3 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 14 km NNE of Pāhala, Hawaii with origin time 22:13 UTC on September 20, 2026. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-09-20 22:09:59 UTC | 4.9mb | southeast of the Loyalty Islands -23.040°, 171.747° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded southeast of the Loyalty Islands on September 20, 2026 at 22:09 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-09-20 22:02:55 UTC | 2.1ml | 18 km SE of Silver Springs, Nevada 39.320°, -119.048° | 9.3 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 18 km SE of Silver Springs, Nevada on September 20, 2026 at 22:02 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
12 hours ago 2026-09-20 21:48:08 UTC | 3.2ml | 169 km WSW of Nikolski, Alaska 52.246°, -171.088° | 101.4 km | - | - | - | ✓ Reviewed | USGS → |
September 20, 2026 brought a magnitude 3.2 earthquake 169 km WSW of Nikolski, Alaska, logged at 21:48 UTC. Coming 3 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-09-20 21:37:59 UTC | 2.2ml | 48 km NW of Toyah, Texas 31.643°, -104.123° | 4.1 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.2 earthquake 48 km NW of Toyah, Texas came in on September 20, 2026 at 21:37 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. | ||||||||
13 hours ago 2026-09-20 21:35:06 UTC | 2.3md | 1 km NNW of Sabana Eneas, Puerto Rico 18.100°, -67.087° | 24.1 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2026, worldwide seismic activity registered a magnitude 2.3 earthquake 1 km NNW of Sabana Eneas, Puerto Rico at 21:35 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-09-20 21:33:28 UTC | 2.2md | 1 km NW of Guánica, Puerto Rico 17.978°, -66.916° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 1 km NW of Guánica, Puerto Rico on September 20, 2026 at 21:33 UTC. Coming 1 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 M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-09-20 21:30:56 UTC | 2.4md | 2 km SW of Indios, Puerto Rico 17.979°, -66.836° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
September 20, 2026 brought a magnitude 2.4 earthquake 2 km SW of Indios, Puerto Rico, logged at 21:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-09-20 21:18:38 UTC | 2.4ml | 65 km NE of Nikolai, Alaska 63.417°, -153.439° | 1.1 km | - | - | - | Auto | USGS → |
On September 20, 2026, worldwide seismic activity registered a magnitude 2.4 earthquake 65 km NE of Nikolai, Alaska at 21:18 UTC. 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. | ||||||||
13 hours ago 2026-09-20 21:06:19 UTC | 5.0mb | 248 km SSE of False Pass, Alaska 52.697°, -162.469° | 10.0 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 5.0 seismic event took place 248 km SSE of False Pass, Alaska on September 20, 2026 at 21:06 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
13 hours ago 2026-09-20 20:54:37 UTC | 5.7mww | south of Africa -48.428°, 31.235° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
A magnitude 5.7 earthquake was recorded south of Africa on September 20, 2026 at 20:54 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
14 hours ago 2026-09-20 20:36:08 UTC | 2.2md | 13 km NE of Pāhala, Hawaii 19.301°, -155.403° | 29.7 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 13 km NE of Pāhala, Hawaii on September 20, 2026, with origin time 20:36 UTC. It arrived roughly 9 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
14 hours ago 2026-09-20 20:32:36 UTC | 3.0md | 4 km WSW of Guánica, Puerto Rico 17.957°, -66.951° | 8.0 km | 1 | - | - | ✓ Reviewed | USGS → |
This magnitude 3.0 event was detected 4 km WSW of Guánica, Puerto Rico on September 20, 2026, with origin time 20:32 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
14 hours ago 2026-09-20 19:50:17 UTC | 3.0ml | 12 km SW of Estacion Coahuila, B.C., MX 32.121°, -115.093° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.0 earthquake 12 km SW of Estacion Coahuila, B.C., MX at 19:50 UTC on September 20, 2026. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
14 hours ago 2026-09-20 19:49:40 UTC | 2.4ml | 12 km SW of Estacion Coahuila, B.C., MX 32.120°, -115.089° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2026 at 19:49 UTC, a magnitude 2.4 earthquake struck 12 km SW of Estacion Coahuila, B.C., MX. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
15 hours ago 2026-09-20 19:23:48 UTC | 2.6ml | 8 km SSE of Barstow, Texas 31.390°, -103.369° | 0.0 km | - | - | - | Auto | USGS → |
On September 20, 2026 at 19:23 UTC, a magnitude 2.6 earthquake struck 8 km SSE of Barstow, Texas. 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. | ||||||||
15 hours ago 2026-09-20 19:23:14 UTC | 2.9mb_lg | 29 km E of Malaga, New Mexico 32.275°, -103.762° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 29 km E of Malaga, New Mexico on September 20, 2026 at 19:23 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
15 hours ago 2026-09-20 19:15:56 UTC | 3.5ml | 168 km SW of Nikolski, Alaska 52.106°, -170.937° | 103.5 km | - | I | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 168 km SW of Nikolski, Alaska came in on September 20, 2026 at 19:15 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
16 hours ago 2026-09-20 18:19:40 UTC | 3.5ml | 121 km S of Yakutat, Alaska 58.468°, -139.373° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.5 seismic event took place 121 km S of Yakutat, Alaska on September 20, 2026 at 18:19 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
16 hours ago 2026-09-20 17:51:32 UTC | 4.4mb | 69 km SSW of Lembar, Indonesia -9.286°, 115.780° | 76.4 km | - | - | - | ✓ Reviewed | USGS → |
September 20, 2026 brought a magnitude 4.4 earthquake 69 km SSW of Lembar, Indonesia, logged at 17:51 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
17 hours ago 2026-09-20 17:17:05 UTC | 4.4mb | 135 km SW of Hihifo, Tonga -16.779°, -174.737° | 160.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 20, 2026 at 17:17 UTC, a magnitude 4.4 earthquake struck 135 km SW of Hihifo, Tonga. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
17 hours ago 2026-09-20 17:10:13 UTC | 3.6ml | 55 km SE of Chignik, Alaska 55.946°, -157.772° | 33.7 km | - | II | - | ✓ Reviewed | USGS → |
This magnitude 3.6 event was detected 55 km SE of Chignik, Alaska on September 20, 2026, with origin time 17:10 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
17 hours ago 2026-09-20 17:03:33 UTC | 2.1md | 9 km WNW of The Geysers, CA 38.820°, -122.851° | 1.7 km | - | - | - | Auto | USGS → |
On September 20, 2026 at 17:03 UTC, a magnitude 2.1 earthquake struck 9 km WNW of The Geysers, CA. In the 72 hours after this event, the USGS recorded 5 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. | ||||||||
17 hours ago 2026-09-20 16:59:30 UTC | 3.1ml | 77 km S of Boca de Yuma, Dominican Republic 17.686°, -68.691° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 77 km S of Boca de Yuma, Dominican Republic with origin time 16:59 UTC on September 20, 2026. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
19 hours ago 2026-09-20 15:36:28 UTC | 3.8md | 180 km NNW of The Valley, Anguilla 19.746°, -63.642° | 38.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.8 earthquake 180 km NNW of The Valley, Anguilla at 15:36 UTC on September 20, 2026. See the M3.8 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, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.