Earthquakes on September 16, 2026
227
EARTHQUAKES on September 16, 2026
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
17
M3.0–3.9
12
M2.0–2.9
55
M1.0–1.9
137
Activity Summary
227
Total earthquakes
~250
Daily average
Normal
Activity level
6
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.1
190 km ESE of Kimbe, Papua New Guinea
20:21 UTC · 10.0 km deep
5.1
80 km SSW of San Jose Village, Northern Mariana Islands
18:06 UTC · 106.6 km deep
Felt by 10
5.1
172 km ESE of Saipan, Northern Mariana Islands
08:37 UTC · 10.0 km deep
Felt by 2
5.0
136 km ENE of Georgetown, Saint Helena
21:06 UTC · 10.0 km deep
5.0
281 km SSE of Dunhuang, China
05:52 UTC · 10.5 km deep
5.0
71 km SSW of Ocós, Guatemala
03:45 UTC · 10.0 km deep
4.9
24 km WSW of Sipí, Colombia
20:12 UTC · 66.1 km deep
Felt by 4
4.9
Kermadec Islands, New Zealand
20:03 UTC · 35.0 km deep
Earthquake Map — September 16, 2026
All Earthquakes — September 16, 2026
Showing 30 of 90 (filtered from 227)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-09-16 2026-09-16 23:39:06 UTC | 2.2md | 24 km W of Petrolia, CA 40.287°, -124.563° | 11.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 24 km W of Petrolia, CA came in on September 16, 2026 at 23:39 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 9 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 23:28:41 UTC | 2.5ml | 120 km ESE of Perryville, Alaska 55.323°, -157.533° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026 at 23:28 UTC, a magnitude 2.5 earthquake struck 120 km ESE of Perryville, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 22:35:44 UTC | 2.2md | 4 km SSW of Indios, Puerto Rico 17.954°, -66.834° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
At 22:35 UTC on September 16, 2026, a magnitude 2.2 tremor occurred 4 km SSW of Indios, Puerto Rico. Coming 10 hours after a magnitude 2.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 22:31:16 UTC | 4.1mb | 2 km NE of Yurovka, Russia 45.131°, 37.444° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
On September 16, 2026 at 22:31 UTC, a magnitude 4.1 earthquake struck 2 km NE of Yurovka, Russia. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 22:12:43 UTC | 3.4md | 117 km N of Charlotte Amalie, U.S. Virgin Islands 19.386°, -65.136° | 18.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.4 earthquake 117 km N of Charlotte Amalie, U.S. Virgin Islands came in on September 16, 2026 at 22:12 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 21:50:57 UTC | 2.9mb_lg | 5 km SSW of Assaria, Kansas 38.639°, -97.634° | 9.7 km | 18 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 5 km SSW of Assaria, Kansas at 21:50 UTC on September 16, 2026. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 21:35:14 UTC | 2.0md | 0 km W of Mariano Colón, Puerto Rico 18.024°, -66.340° | 14.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 0 km W of Mariano Colón, Puerto Rico came in on September 16, 2026 at 21:35 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 21:29:33 UTC | 4.5mb | Balleny Islands region -62.701°, 166.362° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.5 earthquake in the Balleny Islands region at 21:29 UTC on September 16, 2026. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 21:16:07 UTC | 2.2md | 42 km NNE of Covelo, CA 40.154°, -123.084° | 41.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 42 km NNE of Covelo, CA at 21:16 UTC on September 16, 2026. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 21:06:52 UTC | 5.0mb | 136 km ENE of Georgetown, Saint Helena -7.304°, -13.346° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 5.0 earthquake 136 km ENE of Georgetown, Saint Helena at 21:06 UTC. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:55:00 UTC | 4.7mb | 27 km SW of Sipí, Colombia 4.460°, -76.801° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 27 km SW of Sipí, Colombia on September 16, 2026 at 20:55 UTC. Coming 1 hours after a magnitude 4.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:32:10 UTC | 2.9ml | 125 km WSW of Adak, Alaska 51.302°, -178.194° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.9 event was detected 125 km WSW of Adak, Alaska on September 16, 2026, with origin time 20:32 UTC. It arrived roughly 2 hours after a larger magnitude 3.0 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. | ||||||||
2026-09-16 2026-09-16 20:21:24 UTC | 5.1mb | 190 km ESE of Kimbe, Papua New Guinea -6.030°, 151.791° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026 at 20:21 UTC, a magnitude 5.1 earthquake struck 190 km ESE of Kimbe, Papua New Guinea. It is the largest earthquake currently listed for worldwide seismic activity on September 16, 2026. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:12:52 UTC | 4.9mww | 24 km WSW of Sipí, Colombia 4.550°, -76.840° | 66.1 km | 4 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 24 km WSW of Sipí, Colombia on September 16, 2026, with origin time 20:12 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:07:24 UTC | 2.6ml | 66 km SE of Adak, Alaska 51.538°, -175.835° | 35.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 66 km SE of Adak, Alaska came in on September 16, 2026 at 20:07 UTC. Coming 12 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:03:35 UTC | 4.9mb | Kermadec Islands, New Zealand -30.215°, -177.593° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake near Kermadec Islands, New Zealand came in on September 16, 2026 at 20:03 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:00:16 UTC | 3.2ml | 178 km E of Atka, Alaska 52.086°, -171.606° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 178 km E of Atka, Alaska on September 16, 2026 at 20:00 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 19:40:42 UTC | 2.5ml | 135 km SW of Adak, Alaska 51.187°, -178.248° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 135 km SW of Adak, Alaska on September 16, 2026 at 19:40 UTC. It arrived roughly 1 hours after a larger magnitude 3.0 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. | ||||||||
2026-09-16 2026-09-16 19:37:05 UTC | 4.6mb | 43 km SE of Madang, Papua New Guinea -5.540°, 146.017° | 59.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 43 km SE of Madang, Papua New Guinea at 19:37 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 19:14:49 UTC | 2.1md | 19 km WSW of Petrolia, CA 40.273°, -124.501° | 19.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 19 km WSW of Petrolia, CA on September 16, 2026, with origin time 19:14 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 5 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:49:59 UTC | 3.0ml | 132 km WSW of Adak, Alaska 51.298°, -178.304° | 35.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 132 km WSW of Adak, Alaska at 18:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:37:16 UTC | 2.2ml | 103 km WSW of Adak, Alaska 51.432°, -177.949° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 103 km WSW of Adak, Alaska on September 16, 2026 at 18:37 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:06:40 UTC | 5.1mww | 80 km SSW of San Jose Village, Northern Mariana Islands 14.272°, 145.420° | 106.6 km | 10 | III | green | ✓ Reviewed | USGS → |
A magnitude 5.1 earthquake was recorded 80 km SSW of San Jose Village, Northern Mariana Islands on September 16, 2026 at 18:06 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 17:41:33 UTC | 2.7ml | 43 km S of Glacier View, Alaska 61.428°, -147.498° | 19.0 km | 1 | - | - | ✓ Reviewed | USGS → |
At 17:41 UTC on September 16, 2026, a magnitude 2.7 tremor occurred 43 km S of Glacier View, Alaska. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 17:28:36 UTC | 2.0ml | 21 km WNW of Chenega, Alaska 60.131°, -148.372° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 21 km WNW of Chenega, Alaska on September 16, 2026 at 17:28 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. | ||||||||
2026-09-16 2026-09-16 17:12:03 UTC | 2.2ml | 97 km S of McCarthy, Alaska 60.567°, -142.742° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
September 16, 2026 brought a magnitude 2.2 earthquake 97 km S of McCarthy, Alaska, logged at 17:12 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 16:22:34 UTC | 3.2ml | 202 km SE of Perryville, Alaska 54.691°, -156.771° | 59.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 202 km SE of Perryville, Alaska with origin time 16:22 UTC on September 16, 2026. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 16:09:24 UTC | 2.5ml | 70 km SW of Atka, Alaska 51.714°, -174.861° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 70 km SW of Atka, Alaska with origin time 16:09 UTC on September 16, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 15:48:02 UTC | 4.1mb | Fiji region -21.485°, -178.963° | 565.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded in the Fiji region on September 16, 2026 at 15:48 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 15:36:50 UTC | 2.1md | 4 km SW of Guánica, Puerto Rico 17.942°, -66.943° | 11.2 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 2.1 earthquake 4 km SW of Guánica, Puerto Rico at 15:36 UTC. Coming 3 hours after a magnitude 2.2 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. | ||||||||
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, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.