Earthquakes on September 16, 2026
241
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
31
M3.0–3.9
11
M2.0–2.9
56
M1.0–1.9
137
Activity Summary
241
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
186 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
5.0
136 km ENE of Georgetown, Saint Helena
21:06 UTC · 10.0 km deep
5.0
162 km ESE of San Jose Village, Northern Mariana Islands
08:37 UTC · 10.0 km deep
Felt by 2
5.0
279 km SSE of Dunhuang, China
05:52 UTC · 10.0 km deep
5.0
71 km SSW of Ocós, Guatemala
03:45 UTC · 10.0 km deep
4.9
25 km WSW of Sipí, Colombia
20:12 UTC · 65.8 km deep
Felt by 4
4.9
15 km WSW of Parang, Philippines
18:11 UTC · 125.4 km deep
Earthquake Map — September 16, 2026
All Earthquakes — September 16, 2026
Showing 30 of 104 (filtered from 241)
(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 → |
A magnitude 2.2 earthquake was recorded 24 km W of Petrolia, CA on September 16, 2026 at 23:39 UTC. It arrived roughly 9 hours after a larger magnitude 3.5 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. | ||||||||
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 → |
At 23:28 UTC on September 16, 2026, a magnitude 2.5 tremor occurred 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 → |
A magnitude 2.2 seismic event took place 4 km SSW of Indios, Puerto Rico on September 16, 2026 at 22:35 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 10 hours earlier. 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 | 4 km NW of Gostagayevskaya, Russia 45.055°, 37.468° | 10.0 km | 3 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 earthquake was recorded 4 km NW of Gostagayevskaya, Russia on September 16, 2026 at 22:31 UTC. 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 → |
A magnitude 3.4 earthquake was recorded 117 km N of Charlotte Amalie, U.S. Virgin Islands 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 38.635°, -97.641° | 9.5 km | 18 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 5 km SSW of Assaria, Kansas on September 16, 2026 at 21:50 UTC. 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 → |
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. | ||||||||
2026-09-16 2026-09-16 21:29:33 UTC | 4.5mb | Balleny Islands region -62.701°, 166.362° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake in the Balleny Islands region came in on September 16, 2026 at 21:29 UTC. 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 → |
September 16, 2026 brought a magnitude 2.2 earthquake 42 km NNE of Covelo, CA, logged at 21:16 UTC. 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 → |
Seismographs logged a magnitude 5.0 earthquake 136 km ENE of Georgetown, Saint Helena with origin time 21:06 UTC on September 16, 2026. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:55:01 UTC | 4.7mb | 28 km SW of Sipí, Colombia 4.463°, -76.820° | 56.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 earthquake was recorded 28 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 20:49:38 UTC | 4.0mb | 33 km NW of Kerben, Kyrgyzstan 41.740°, 71.534° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.0 earthquake 33 km NW of Kerben, Kyrgyzstan at 20:49 UTC on September 16, 2026. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:32:11 UTC | 2.7ml | 123 km WSW of Adak, Alaska 51.358°, -178.215° | 17.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 123 km WSW of Adak, Alaska came in on September 16, 2026 at 20:32 UTC. It arrived roughly 2 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. | ||||||||
2026-09-16 2026-09-16 20:21:24 UTC | 5.1mb | 186 km ESE of Kimbe, Papua New Guinea -6.033°, 151.752° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026 at 20:21 UTC, a magnitude 5.1 earthquake struck 186 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 20:17:14 UTC | 4.1mb | Volcano Islands, Japan region 24.234°, 141.873° | 115.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.1 earthquake in the Volcano Islands, Japan region with origin time 20:17 UTC on September 16, 2026. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:14:30 UTC | 4.5mb | 25 km SW of Sipí, Colombia 4.494°, -76.813° | 62.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 25 km SW of Sipí, Colombia on September 16, 2026 at 20:14 UTC. It arrived roughly 1 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:12:52 UTC | 4.9mww | 25 km WSW of Sipí, Colombia 4.547°, -76.844° | 65.8 km | 4 | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected 25 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 → |
A magnitude 2.6 earthquake was recorded 66 km SE of Adak, Alaska on September 16, 2026 at 20:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 12 hours earlier. 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 20:03:39 UTC | 4.7mb | Kermadec Islands, New Zealand -29.992°, -177.788° | 65.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.7 earthquake near Kermadec Islands, New Zealand with origin time 20:03 UTC on September 16, 2026. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 20:00:17 UTC | 3.2ml | 176 km E of Atka, Alaska 52.115°, -171.629° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.2 earthquake 176 km E of Atka, Alaska at 20:00 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 19:40:42 UTC | 2.5ml | 135 km SW of Adak, Alaska 51.187°, -178.248° | 19.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 135 km SW of Adak, Alaska at 19:40 UTC on September 16, 2026. Coming 1 hours after a magnitude 2.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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 | 44 km SE of Madang, Papua New Guinea -5.544°, 146.020° | 66.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 16, 2026, worldwide seismic activity registered a magnitude 4.6 earthquake 44 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 → |
On September 16, 2026 at 19:14 UTC, a magnitude 2.1 earthquake struck 19 km WSW of Petrolia, CA. It arrived roughly 5 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:57:45 UTC | 4.5mb | northern Mid-Atlantic Ridge 18.054°, -46.562° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
September 16, 2026 brought a magnitude 4.5 earthquake near northern Mid-Atlantic Ridge, logged at 18:57 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:50:00 UTC | 2.8ml | 130 km WSW of Adak, Alaska 51.355°, -178.327° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.8 earthquake 130 km WSW of Adak, Alaska with origin time 18:50 UTC on September 16, 2026. See the M2.8 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 → |
Seismographs logged a magnitude 2.2 earthquake 103 km WSW of Adak, Alaska with origin time 18:37 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 18:35:26 UTC | 4.3mb | 70 km ESE of Santiago, Philippines 6.998°, 127.136° | 12.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 70 km ESE of Santiago, Philippines on September 16, 2026 at 18:35 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-09-16 2026-09-16 18:11:06 UTC | 4.9mb | 15 km WSW of Parang, Philippines 9.221°, 125.816° | 125.4 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake 15 km WSW of Parang, Philippines came in on September 16, 2026 at 18:11 UTC. See the M4.9 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 → |
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. | ||||||||
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.