Previous daySeptember 28, 2026Next day

Earthquakes on September 28, 2026

268
EARTHQUAKES on September 28, 2026
24-hour UTC period · USGS data
10 km deep
Normal activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
7
M4.0–4.9
24
M3.0–3.9
16
M2.0–2.9
79
M1.0–1.9
142

Activity Summary

268
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events

Geographic Breakdown

Earthquake Map — September 28, 2026

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — September 28, 2026

Showing 30 of 126 (filtered from 268)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time ↓Mag ↕Location ↕Depth ↕Felt ↕MMIAlertStatusDetails
5 days ago
2026-09-28 23:31:27 UTC
2.0ml
6 km NNW of Dutch Harbor, Alaska
53.944°, -166.592°
14.6 km---✓ ReviewedUSGS →
At 23:31 UTC on September 28, 2026, a magnitude 2.0 tremor occurred 6 km NNW of Dutch Harbor, Alaska. It arrived roughly 1 hours after a larger magnitude 2.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 23:19:34 UTC
2.3md
5 km SW of Guánica, Puerto Rico
17.933°, -66.943°
7.3 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.3 earthquake 5 km SW of Guánica, Puerto Rico at 23:19 UTC on September 28, 2026. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 23:14:52 UTC
2.9ml
Rat Islands, Aleutian Islands, Alaska
52.289°, 178.367°
155.9 km---✓ ReviewedUSGS →
A magnitude 2.9 seismic event took place near Rat Islands, Aleutian Islands, Alaska on September 28, 2026 at 23:14 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:54:45 UTC
3.0mb_lg
2 km SSW of Bogue, Kansas
39.341°, -99.705°
5.0 km8--✓ ReviewedUSGS →
A magnitude 3.0 earthquake was recorded 2 km SSW of Bogue, Kansas on September 28, 2026 at 22:54 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:53:10 UTC
2.5ml
80 km SSW of Nikolski, Alaska
52.265°, -169.273°
20.5 km---✓ ReviewedUSGS →
A magnitude 2.5 seismic event took place 80 km SSW of Nikolski, Alaska on September 28, 2026 at 22:53 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:50:25 UTC
2.5mb_lg
9 km S of Bogue, Kansas
39.281°, -99.698°
10.0 km---✓ ReviewedUSGS →
September 28, 2026 brought a magnitude 2.5 earthquake 9 km S of Bogue, Kansas, logged at 22:50 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:47:48 UTC
2.3ml
12 km ESE of Pearsall, Texas
28.851°, -98.976°
7.9 km---✓ ReviewedUSGS →
A magnitude 2.3 earthquake was recorded 12 km ESE of Pearsall, Texas on September 28, 2026 at 22:47 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:39:34 UTC
2.0ml
67 km E of Adak, Alaska
51.886°, -175.660°
79.6 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.0 earthquake 67 km E of Adak, Alaska at 22:39 UTC on September 28, 2026. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:29:31 UTC
3.0ml
Rat Islands, Aleutian Islands, Alaska
51.396°, 178.735°
35.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 3.0 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 22:29 UTC on September 28, 2026. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:25:49 UTC
4.4mb
south of the Fiji Islands
-24.752°, -179.246°
465.4 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.4 earthquake south of the Fiji Islands at 22:25 UTC on September 28, 2026. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:17:19 UTC
2.1ml
7 km NNW of Dutch Harbor, Alaska
53.950°, -166.595°
14.7 km---✓ ReviewedUSGS →
Reports of a magnitude 2.1 earthquake 7 km NNW of Dutch Harbor, Alaska came in on September 28, 2026 at 22:17 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 22:17:08 UTC
2.3ml
11 km SE of Pāhala, Hawaii
19.131°, -155.405°
32.2 km---✓ ReviewedUSGS →
On September 28, 2026 at 22:17 UTC, a magnitude 2.3 earthquake struck 11 km SE of Pāhala, Hawaii. Coming 11 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 21:58:23 UTC
2.4ml
58 km S of Whites City, New Mexico
31.651°, -104.454°
7.3 km---✓ ReviewedUSGS →
At 21:58 UTC on September 28, 2026, a magnitude 2.4 tremor occurred 58 km S of Whites City, New Mexico. Coming 21 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.
5 days ago
2026-09-28 21:58:14 UTC
2.1ml
57 km S of Whites City, New Mexico
31.655°, -104.432°
6.1 km---✓ ReviewedUSGS →
A magnitude 2.1 seismic event took place 57 km S of Whites City, New Mexico on September 28, 2026 at 21:58 UTC. Coming 21 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 21:22:37 UTC
2.7ml
22 km SSW of Susitna, Alaska
61.346°, -150.635°
57.1 km1--✓ ReviewedUSGS →
This magnitude 2.7 event was detected 22 km SSW of Susitna, Alaska on September 28, 2026, with origin time 21:22 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 20:20:43 UTC
2.1md
10 km WNW of Cobb, CA
38.849°, -122.837°
0.6 km---AutoUSGS →
Seismographs logged a magnitude 2.1 earthquake 10 km WNW of Cobb, CA with origin time 20:20 UTC on September 28, 2026. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 20:16:28 UTC
2.1md
10 km W of Boonville, CA
39.012°, -123.484°
2.0 km---AutoUSGS →
September 28, 2026 brought a magnitude 2.1 earthquake 10 km W of Boonville, CA, logged at 20:16 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 20:13:51 UTC
3.0ml
112 km SSW of False Pass, Alaska
53.912°, -164.048°
35.0 km---✓ ReviewedUSGS →
On September 28, 2026, worldwide seismic activity registered a magnitude 3.0 earthquake 112 km SSW of False Pass, Alaska at 20:13 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:59:16 UTC
2.1ml
20 km SSW of Sunrise, Alaska
60.717°, -149.592°
25.6 km2--✓ ReviewedUSGS →
On September 28, 2026 at 19:59 UTC, a magnitude 2.1 earthquake struck 20 km SSW of Sunrise, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:48:09 UTC
2.1ml
68 km SE of Adak, Alaska
51.443°, -175.936°
37.3 km---✓ ReviewedUSGS →
A magnitude 2.1 earthquake was recorded 68 km SE of Adak, Alaska on September 28, 2026 at 19:48 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:45:07 UTC
4.9mww
2 km SW of Sakai, Japan
36.081°, 139.778°
71.0 km69--✓ ReviewedUSGS →
Reports of a magnitude 4.9 earthquake 2 km SW of Sakai, Japan came in on September 28, 2026 at 19:45 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:27:07 UTC
2.3ml
58 km S of Whites City, New Mexico
31.654°, -104.437°
6.5 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.3 earthquake 58 km S of Whites City, New Mexico with origin time 19:27 UTC on September 28, 2026. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 18 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:19:54 UTC
2.9md
45 km N of Charlotte Amalie, U.S. Virgin Islands
18.748°, -64.940°
23.6 km---✓ ReviewedUSGS →
Reports of a magnitude 2.9 earthquake 45 km N of Charlotte Amalie, U.S. Virgin Islands came in on September 28, 2026 at 19:19 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:17:03 UTC
2.2ml
76 km SSW of Adak, Alaska
51.232°, -177.025°
27.6 km---✓ ReviewedUSGS →
This magnitude 2.2 event was detected 76 km SSW of Adak, Alaska on September 28, 2026, with origin time 19:17 UTC. Coming 1 hours after a magnitude 2.4 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.
5 days ago
2026-09-28 19:10:40 UTC
2.9ml
83 km ESE of Adak, Alaska
51.503°, -175.577°
38.5 km---✓ ReviewedUSGS →
September 28, 2026 brought a magnitude 2.9 earthquake 83 km ESE of Adak, Alaska, logged at 19:10 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 19:02:41 UTC
2.1ml
58 km S of Whites City, New Mexico
31.650°, -104.460°
6.8 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.1 earthquake 58 km S of Whites City, New Mexico with origin time 19:02 UTC on September 28, 2026. It arrived roughly 18 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 18:55:12 UTC
2.0ml
7 km NE of Potsdam, New York
44.712°, -74.911°
5.0 km3--✓ ReviewedUSGS →
This magnitude 2.0 event was detected 7 km NE of Potsdam, New York on September 28, 2026, with origin time 18:55 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 18:26:44 UTC
2.0ml
101 km N of Yakutat, Alaska
60.458°, -139.643°
1.8 km---✓ ReviewedUSGS →
Reports of a magnitude 2.0 earthquake 101 km N of Yakutat, Alaska came in on September 28, 2026 at 18:26 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.
5 days ago
2026-09-28 18:23:20 UTC
2.4ml
69 km SSW of Adak, Alaska
51.276°, -176.899°
27.9 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.4 earthquake 69 km SSW of Adak, Alaska at 18:23 UTC on September 28, 2026. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-28 18:23:11 UTC
2.2ml
25 km N of Fox River, Alaska
60.091°, -150.946°
51.0 km1--✓ ReviewedUSGS →
Reports of a magnitude 2.2 earthquake 25 km N of Fox River, Alaska came in on September 28, 2026 at 18:23 UTC. The event was offshore. See the M2.2 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 28, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.