Earthquakes on September 30, 2026
168
EARTHQUAKES on September 30, 2026
24-hour UTC period · USGS data
8 km deep · 4 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
8
M4.0–4.9
16
M3.0–3.9
7
M2.0–2.9
33
M1.0–1.9
104
Activity Summary
168
Total earthquakes
~250
Daily average
Normal
Activity level
8
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
94 km SW of Tamarindo, Costa Rica
21:55 UTC · 8.0 km deep
Felt by 4
5.6
74 km S of Yonakuni, Japan
05:00 UTC · 10.8 km deep
Felt by 11
5.4
Balleny Islands region
04:48 UTC · 10.0 km deep
5.2
Balleny Islands region
07:07 UTC · 10.0 km deep
5.1
121 km S of Kokopo, Papua New Guinea
08:15 UTC · 28.0 km deep
5.0
142 km SE of Petropavlovsk-Kamchatsky, Russia
18:21 UTC · 35.0 km deep
5.0
27 km N of Kupang, Indonesia
10:58 UTC · 19.4 km deep
Felt by 1
5.0
83 km NE of Tadine, New Caledonia
06:50 UTC · 10.0 km deep
Earthquake Map — September 30, 2026
All Earthquakes — September 30, 2026
Showing 30 of 64 (filtered from 168)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2 days ago 2026-09-30 22:02:34 UTC | 2.0ml | 8 km W of Holtville, CA 32.823°, -115.466° | 11.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.0 event was detected 8 km W of Holtville, CA on September 30, 2026, with origin time 22:02 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:55:26 UTC | 5.6mww | 94 km SW of Tamarindo, Costa Rica 9.753°, -86.506° | 8.0 km | 4 | III | green | ✓ Reviewed | USGS → |
On September 30, 2026 at 21:55 UTC, a magnitude 5.6 earthquake struck 94 km SW of Tamarindo, Costa Rica. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on September 30, 2026. See the M5.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:17:07 UTC | 2.0ml | 55 km SSW of Whites City, New Mexico 31.698°, -104.546° | 5.1 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 55 km SSW of Whites City, New Mexico came in on September 30, 2026 at 21:17 UTC. It arrived roughly 12 hours after a larger magnitude 3.3 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. | ||||||||
2 days ago 2026-09-30 21:16:53 UTC | 4.4mb | 12 km SSE of Hasaki, Japan 35.629°, 140.879° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 12 km SSE of Hasaki, Japan came in on September 30, 2026 at 21:16 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:12:04 UTC | 2.2md | 8 km ESE of Cloverdale, CA 38.778°, -122.930° | 4.7 km | - | - | - | Auto | USGS → |
A magnitude 2.2 seismic event took place 8 km ESE of Cloverdale, CA on September 30, 2026 at 21:12 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. 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. | ||||||||
2 days ago 2026-09-30 21:11:57 UTC | 4.6mb | 131 km SE of Itoman, Japan 25.217°, 128.508° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 131 km SE of Itoman, Japan on September 30, 2026 at 21:11 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:07:19 UTC | 3.0md | 8 km ESE of Cloverdale, CA 38.778°, -122.933° | 4.0 km | 15 | - | - | Auto | USGS → |
A magnitude 3.0 earthquake was recorded 8 km ESE of Cloverdale, CA on September 30, 2026 at 21:07 UTC. 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 M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:03:41 UTC | 2.6md | 5 km SW of Guánica, Puerto Rico 17.944°, -66.947° | 7.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 5 km SW of Guánica, Puerto Rico came in on September 30, 2026 at 21:03 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 21:00:48 UTC | 3.1md | 4 km NNE of Animas, Puerto Rico 18.478°, -66.614° | 105.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.1 seismic event took place 4 km NNE of Animas, Puerto Rico on September 30, 2026 at 21:00 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 20:48:14 UTC | 2.6md | 1 km SW of Anderson Springs, CA 38.766°, -122.701° | 1.8 km | 6 | - | - | Auto | USGS → |
On September 30, 2026, worldwide seismic activity registered a magnitude 2.6 earthquake 1 km SW of Anderson Springs, CA at 20:48 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 19:47:08 UTC | 2.0md | 14 km S of Hamilton City, CA 39.614°, -122.030° | 24.8 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 14 km S of Hamilton City, CA at 19:47 UTC on September 30, 2026. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 19:37:44 UTC | 2.6ml | 16 km ESE of Pearsall, Texas 28.851°, -98.928° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.6 earthquake 16 km ESE of Pearsall, Texas at 19:37 UTC on September 30, 2026. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 19:10:09 UTC | 4.2mb | 286 km W of Adak, Alaska 51.880°, 179.212° | 119.2 km | - | II | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 286 km W of Adak, Alaska on September 30, 2026 at 19:10 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2 days ago 2026-09-30 19:09:24 UTC | 2.4ml | 48 km WSW of Ivanof Bay, Alaska 55.754°, -160.215° | 88.3 km | - | - | - | Auto | USGS → |
A magnitude 2.4 earthquake was recorded 48 km WSW of Ivanof Bay, Alaska on September 30, 2026 at 19:09 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 18:36:22 UTC | 4.9mb | 136 km SE of Petropavlovsk-Kamchatsky, Russia 52.368°, 160.290° | 31.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 seismic event took place 136 km SE of Petropavlovsk-Kamchatsky, Russia on September 30, 2026 at 18:36 UTC. Coming 1 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 18:21:19 UTC | 5.0mb | 142 km SE of Petropavlovsk-Kamchatsky, Russia 52.317°, 160.333° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.0 earthquake 142 km SE of Petropavlovsk-Kamchatsky, Russia at 18:21 UTC on September 30, 2026. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 18:17:29 UTC | 2.0ml | 48 km ENE of Pedro Bay, Alaska 59.941°, -153.289° | 153.5 km | - | - | - | Auto | USGS → |
A magnitude 2.0 seismic event took place 48 km ENE of Pedro Bay, Alaska on September 30, 2026 at 18:17 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 17:34:30 UTC | 2.0ml | 44 km WNW of Anchor Point, Alaska 59.892°, -152.583° | 87.2 km | - | - | - | Auto | USGS → |
September 30, 2026 brought a magnitude 2.0 earthquake 44 km WNW of Anchor Point, Alaska, logged at 17:34 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 17:25:06 UTC | 2.4ml | 24 km ENE of Beluga, Alaska 61.193°, -150.637° | 49.3 km | 1 | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.4 earthquake 24 km ENE of Beluga, Alaska with origin time 17:25 UTC on September 30, 2026. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 16:57:35 UTC | 2.0ml | 16 km ESE of Pearsall, Texas 28.846°, -98.932° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On September 30, 2026 at 16:57 UTC, a magnitude 2.0 earthquake struck 16 km ESE of Pearsall, Texas. It arrived roughly 7 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. | ||||||||
3 days ago 2026-09-30 16:31:57 UTC | 2.4ml | 3 km SE of Honaunau-Napoopoo, Hawaii 19.431°, -155.838° | 11.9 km | 1 | - | - | ✓ Reviewed | USGS → |
On September 30, 2026 at 16:31 UTC, a magnitude 2.4 earthquake struck 3 km SE of Honaunau-Napoopoo, Hawaii. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 16:29:32 UTC | 4.4mb | 48 km WNW of Luwuk, Indonesia -0.777°, 122.391° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 48 km WNW of Luwuk, Indonesia on September 30, 2026 at 16:29 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 15:02:23 UTC | 2.6ml | 13 km NE of Pāhala, Hawaii 19.287°, -155.388° | 30.5 km | 1 | - | - | ✓ Reviewed | USGS → |
At 15:02 UTC on September 30, 2026, a magnitude 2.6 tremor occurred 13 km NE of Pāhala, Hawaii. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 14:41:02 UTC | 2.1ml | 8 km NW of Houston, Alaska 61.688°, -149.929° | 27.2 km | 1 | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 8 km NW of Houston, Alaska on September 30, 2026 at 14:41 UTC. It arrived roughly 6 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. | ||||||||
3 days ago 2026-09-30 14:32:45 UTC | 2.6md | 38 km N of Cruz Bay, U.S. Virgin Islands 18.680°, -64.829° | 19.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 38 km N of Cruz Bay, U.S. Virgin Islands on September 30, 2026, with origin time 14:32 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 14:09:02 UTC | 2.0ml | 31 km NW of Toyah, Texas 31.514°, -104.027° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 31 km NW of Toyah, Texas on September 30, 2026 at 14:09 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. | ||||||||
3 days ago 2026-09-30 14:02:29 UTC | 2.0ml | 60 km S of Whites City, New Mexico 31.628°, -104.364° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 60 km S of Whites City, New Mexico with origin time 14:02 UTC on September 30, 2026. Coming 5 hours after a magnitude 3.3 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. | ||||||||
3 days ago 2026-09-30 13:35:58 UTC | 2.9ml | 61 km S of Whites City, New Mexico 31.618°, -104.363° | 6.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 61 km S of Whites City, New Mexico with origin time 13:35 UTC on September 30, 2026. Coming 5 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
3 days ago 2026-09-30 12:51:47 UTC | 2.2md | 10 km W of Boonville, CA 39.013°, -123.484° | 2.6 km | 1 | - | - | Auto | USGS → |
On September 30, 2026 at 12:51 UTC, a magnitude 2.2 earthquake struck 10 km W of Boonville, CA. 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. | ||||||||
3 days ago 2026-09-30 12:02:58 UTC | 4.6mb | 83 km S of Yonakuni, Japan 23.725°, 122.875° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 83 km S of Yonakuni, Japan with origin time 12:02 UTC on September 30, 2026. It arrived roughly 7 hours after a larger magnitude 5.6 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.6 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 30, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.