Earthquakes on September 16, 2026
214
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
12
M3.0–3.9
12
M2.0–2.9
54
M1.0–1.9
130
Activity Summary
214
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
5 km NE of Mitsukaidō, Japan
15:07 UTC · 77.3 km deep
Felt by 71
5.0
281 km SSE of Dunhuang, China
05:52 UTC · 10.5 km deep
5.0
60 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 84 (filtered from 214)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
4 days ago 2026-09-16 23:39:06 UTC | 2.2md | 20 km W of Petrolia, CA 40.304°, -124.522° | 10.4 km | - | - | - | Auto | USGS → |
On September 16, 2026 at 23:39 UTC, a magnitude 2.2 earthquake struck 20 km W of Petrolia, CA. 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. | ||||||||
4 days ago 2026-09-16 23:28:41 UTC | 2.5ml | 120 km ESE of Perryville, Alaska 55.323°, -157.533° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 120 km ESE of Perryville, Alaska at 23:28 UTC on September 16, 2026. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
A magnitude 2.2 earthquake was recorded 4 km SSW of Indios, Puerto Rico on September 16, 2026 at 22:35 UTC. 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. | ||||||||
4 days ago 2026-09-16 22:31:16 UTC | 4.2mb | 3 km NNE of Gostagayevskaya, Russia 45.051°, 37.519° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake 3 km NNE of Gostagayevskaya, Russia came in on September 16, 2026 at 22:31 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
Seismographs logged a magnitude 3.4 earthquake 117 km N of Charlotte Amalie, U.S. Virgin Islands with origin time 22:12 UTC on September 16, 2026. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
On September 16, 2026 at 21:50 UTC, a magnitude 2.9 earthquake struck 5 km SSW of Assaria, Kansas. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
A magnitude 2.0 earthquake was recorded 0 km W of Mariano Colón, Puerto Rico 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. | ||||||||
4 days ago 2026-09-16 21:29:34 UTC | 4.4mb | Balleny Islands region -62.680°, 166.153° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected in the Balleny Islands region on September 16, 2026, with origin time 21:29 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 20:55:00 UTC | 4.7mb | 27 km SW of Sipí, Colombia 4.460°, -76.801° | 51.5 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026 at 20:55 UTC, a magnitude 4.7 earthquake struck 27 km SW of Sipí, Colombia. This event falls inside the aftershock decay of a nearby magnitude 4.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 20:32:10 UTC | 2.9ml | 125 km WSW of Adak, Alaska 51.302°, -178.194° | 10.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 125 km WSW of Adak, Alaska on September 16, 2026 at 20:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 2 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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. | ||||||||
4 days ago 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. | ||||||||
4 days ago 2026-09-16 20:07:24 UTC | 2.6ml | 66 km SE of Adak, Alaska 51.538°, -175.835° | 35.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake 66 km SE of Adak, Alaska with origin time 20:07 UTC on September 16, 2026. It arrived roughly 12 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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. | ||||||||
4 days ago 2026-09-16 20:00:16 UTC | 3.2ml | 178 km E of Atka, Alaska 52.086°, -171.606° | 2.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.2 event was detected 178 km E of Atka, Alaska on September 16, 2026, with origin time 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. | ||||||||
4 days ago 2026-09-16 19:40:42 UTC | 2.5ml | 135 km SW of Adak, Alaska 51.187°, -178.248° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 135 km SW of Adak, Alaska on September 16, 2026, with origin time 19:40 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
Seismographs logged a magnitude 4.6 earthquake 43 km SE of Madang, Papua New Guinea with origin time 19:37 UTC on September 16, 2026. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 19:15:55 UTC | 2.0md | 3 km W of Dublin, CA 37.706°, -121.967° | 9.4 km | - | - | - | Auto | USGS → |
On September 16, 2026 at 19:15 UTC, a magnitude 2.0 earthquake struck 3 km W of Dublin, CA. Coming 4 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 M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 19:14:48 UTC | 2.1md | 26 km W of Petrolia, CA 40.305°, -124.594° | 21.3 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 26 km W 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. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 18:49:59 UTC | 3.0ml | 132 km WSW of Adak, Alaska 51.298°, -178.304° | 35.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 seismic event took place 132 km WSW of Adak, Alaska on September 16, 2026 at 18:49 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 18:37:16 UTC | 2.2ml | 103 km WSW of Adak, Alaska 51.432°, -177.949° | 20.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.2 earthquake 103 km WSW of Adak, Alaska at 18:37 UTC on September 16, 2026. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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. | ||||||||
4 days ago 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 → |
A magnitude 2.7 seismic event took place 43 km S of Glacier View, Alaska on September 16, 2026 at 17:41 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 17:28:36 UTC | 2.0ml | 21 km WNW of Chenega, Alaska 60.131°, -148.372° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 21 km WNW of Chenega, Alaska with origin time 17:28 UTC on September 16, 2026. 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. | ||||||||
4 days ago 2026-09-16 17:12:03 UTC | 2.2ml | 97 km S of McCarthy, Alaska 60.567°, -142.742° | 11.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 97 km S of McCarthy, Alaska on September 16, 2026, with origin time 17:12 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 16:22:34 UTC | 3.2ml | 202 km SE of Perryville, Alaska 54.691°, -156.771° | 59.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 202 km SE of Perryville, Alaska came in on September 16, 2026 at 16:22 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 16:09:24 UTC | 2.6ml | 69 km SW of Atka, Alaska 51.700°, -174.819° | 56.9 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 69 km SW of Atka, Alaska at 16:09 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 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 → |
A magnitude 2.1 seismic event took place 4 km SW of Guánica, Puerto Rico on September 16, 2026 at 15:36 UTC. It arrived roughly 3 hours after a larger magnitude 2.2 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. | ||||||||
4 days ago 2026-09-16 15:23:40 UTC | 2.5ml | 46 km NNW of Valdez, Alaska 61.493°, -146.773° | 18.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 46 km NNW of Valdez, Alaska came in on September 16, 2026 at 15:23 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-09-16 15:16:57 UTC | 2.5ml | 106 km SSW of False Pass, Alaska 53.995°, -164.133° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 106 km SSW of False Pass, Alaska on September 16, 2026 at 15:16 UTC. 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. | ||||||||
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.