Earthquakes on December 28, 2025
254
EARTHQUAKES on December 28, 2025
24-hour UTC period · USGS data
LARGEST: M6.2 — 43 km W of Puerto Santa, Peru
58 km deep · 76 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
22
M3.0–3.9
12
M2.0–2.9
112
M1.0–1.9
105
Activity Summary
254
Total earthquakes
~250
Daily average
Normal
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
6.2
43 km W of Puerto Santa, Peru
02:51 UTC · 58.0 km deep
Felt by 76
5.1
South Sandwich Islands region
04:36 UTC · 37.7 km deep
5.0
43 km W of Puerto Santa, Peru
23:19 UTC · 72.7 km deep
Felt by 4
4.6
130 km SSW of Hihifo, Tonga
18:03 UTC · 120.6 km deep
4.6
125 km SSW of Severo-Kuril’sk, Russia
10:46 UTC · 50.4 km deep
4.6
Fiji region
08:06 UTC · 628.0 km deep
4.6
47 km WNW of Bukittinggi, Indonesia
02:15 UTC · 10.0 km deep
4.6
38 km NW of Bukittinggi, Indonesia
02:11 UTC · 10.0 km deep
Earthquake Map — December 28, 2025
All Earthquakes — December 28, 2025
Showing 30 of 149 (filtered from 254)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-12-28 2025-12-28 23:46:29 UTC | 2.6ml | 96 km S of Sand Point, Alaska 54.484°, -160.260° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 96 km S of Sand Point, Alaska came in on December 28, 2025 at 23:46 UTC. Coming 14 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. | ||||||||
2025-12-28 2025-12-28 23:44:27 UTC | 2.9ml | 43 km ENE of Kodiak, Alaska 57.982°, -151.778° | 5.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 43 km ENE of Kodiak, Alaska came in on December 28, 2025 at 23:44 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 1 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 23:44:13 UTC | 2.6ml | 15 km S of Santa Rosa Is., CA 33.808°, -120.074° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 15 km S of Santa Rosa Is., CA on December 28, 2025 at 23:44 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 23:19:55 UTC | 5.0mb | 43 km W of Puerto Santa, Peru -9.020°, -79.045° | 72.7 km | 4 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 43 km W of Puerto Santa, Peru with origin time 23:19 UTC on December 28, 2025. Coming 20 hours after a magnitude 6.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 23:14:30 UTC | 2.9ml | 42 km ENE of Kodiak, Alaska 57.976°, -151.787° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 42 km ENE of Kodiak, Alaska on December 28, 2025 at 23:14 UTC. Coming 1 hours after a magnitude 3.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 22:56:02 UTC | 2.3ml | 24 km SSW of Kanosh, Utah 38.599°, -112.559° | -0.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 seismic event took place 24 km SSW of Kanosh, Utah on December 28, 2025 at 22:56 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 22:51:29 UTC | 3.0ml | 42 km ENE of Kodiak, Alaska 57.964°, -151.773° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
On December 28, 2025, worldwide seismic activity registered a magnitude 3.0 earthquake 42 km ENE of Kodiak, Alaska at 22:51 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 22:29:11 UTC | 2.2ml | 109 km N of Yakutat, Alaska 60.530°, -139.805° | 0.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 109 km N of Yakutat, Alaska on December 28, 2025 at 22:29 UTC. Coming 4 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2025-12-28 2025-12-28 22:03:33 UTC | 2.5ml | 112 km N of Yakutat, Alaska 60.551°, -139.986° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 112 km N of Yakutat, Alaska at 22:03 UTC on December 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 4.2 earthquake that occurred about 3 hours earlier. 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. | ||||||||
2025-12-28 2025-12-28 21:42:59 UTC | 2.5ml | 52 km WNW of Nanwalek, Alaska 59.608°, -152.700° | 83.9 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 52 km WNW of Nanwalek, Alaska on December 28, 2025, with origin time 21:42 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 21:34:40 UTC | 2.1ml | 9 km SSE of Hope, Alaska 60.836°, -149.595° | 37.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 9 km SSE of Hope, Alaska at 21:34 UTC on December 28, 2025. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 21:13:10 UTC | 2.2ml | 56 km S of Whites City, New Mexico 31.667°, -104.374° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
December 28, 2025 brought a magnitude 2.2 earthquake 56 km S of Whites City, New Mexico, logged at 21:13 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 21:07:41 UTC | 4.3mb | 31 km NW of Shikotan, Russia 44.032°, 146.492° | 85.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.3 earthquake 31 km NW of Shikotan, Russia at 21:07 UTC on December 28, 2025. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 20:47:42 UTC | 2.4ml | 8 km W of Frazier Park, CA 34.831°, -119.034° | 11.3 km | 2 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.4 earthquake 8 km W of Frazier Park, CA came in on December 28, 2025 at 20:47 UTC. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 20:39:22 UTC | 2.0ml | 2 km ESE of Lake Henshaw, CA 33.234°, -116.741° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
On December 28, 2025, worldwide seismic activity registered a magnitude 2.0 earthquake 2 km ESE of Lake Henshaw, CA at 20:39 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 20:05:52 UTC | 2.1md | 5 km SE of San Ramon, CA 37.754°, -121.938° | 6.7 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 5 km SE of San Ramon, CA with origin time 20:05 UTC on December 28, 2025. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 20:02:59 UTC | 2.1ml | 21 km NNE of Sterling, Alaska 60.713°, -150.613° | 51.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 21 km NNE of Sterling, Alaska on December 28, 2025, with origin time 20:02 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:57:01 UTC | 3.1ml | 11 km SE of Wright, Wyoming 43.693°, -105.375° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
December 28, 2025 brought a magnitude 3.1 earthquake 11 km SE of Wright, Wyoming, logged at 19:57 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:56:43 UTC | 2.5md | 5 km SE of San Ramon, CA 37.753°, -121.933° | 5.6 km | 25 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 5 km SE of San Ramon, CA with origin time 19:56 UTC on December 28, 2025. 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:51:00 UTC | 2.1ml | 122 km NW of Yakutat, Alaska 60.353°, -141.217° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 122 km NW of Yakutat, Alaska came in on December 28, 2025 at 19:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.3 earthquake that occurred about 20 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:30:10 UTC | 2.5ml | 14 km N of Cantwell, Alaska 63.525°, -148.947° | 0.7 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 14 km N of Cantwell, Alaska came in on December 28, 2025 at 19:30 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. | ||||||||
2025-12-28 2025-12-28 19:30:05 UTC | 3.0md | 42 km NW of San Antonio, Puerto Rico 18.769°, -67.383° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 42 km NW of San Antonio, Puerto Rico with origin time 19:30 UTC on December 28, 2025. Coming 1 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:23:58 UTC | 3.5md | 42 km NW of San Antonio, Puerto Rico 18.767°, -67.376° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.5 earthquake 42 km NW of San Antonio, Puerto Rico came in on December 28, 2025 at 19:23 UTC. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 19:02:07 UTC | 3.3ml | 39 km E of Lee Vining, CA 37.944°, -118.680° | 14.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 3.3 seismic event took place 39 km E of Lee Vining, CA on December 28, 2025 at 19:02 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 18:54:56 UTC | 2.5ml | 55 km WNW of Anchor Point, Alaska 59.883°, -152.793° | 100.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 55 km WNW of Anchor Point, Alaska on December 28, 2025 at 18:54 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 18:50:49 UTC | 4.2mwr | 107 km N of Yakutat, Alaska 60.505°, -139.864° | 8.6 km | - | IV | green | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 107 km N of Yakutat, Alaska on December 28, 2025 at 18:50 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 18:49:54 UTC | 4.4mb | South Sandwich Islands region -55.603°, -27.796° | 35.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded in the South Sandwich Islands region on December 28, 2025 at 18:49 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 18:47:49 UTC | 4.4mb | 25 km NNE of Loreto, Philippines 10.582°, 125.647° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 25 km NNE of Loreto, Philippines with origin time 18:47 UTC on December 28, 2025. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-12-28 2025-12-28 18:14:16 UTC | 2.1ml | 103 km N of Yakutat, Alaska 60.479°, -139.676° | 6.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 103 km N of Yakutat, Alaska on December 28, 2025 at 18:14 UTC. Coming 15 hours after a magnitude 2.9 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. | ||||||||
2025-12-28 2025-12-28 18:05:34 UTC | 2.1md | 14 km SW of Cantua Creek, CA 36.408°, -120.419° | 12.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 14 km SW of Cantua Creek, CA on December 28, 2025 at 18:05 UTC. 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 December 28, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.