Earthquakes on July 27, 2025
264
EARTHQUAKES on July 27, 2025
24-hour UTC period · USGS data
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
40
M3.0–3.9
15
M2.0–2.9
82
M1.0–1.9
122
Activity Summary
264
Total earthquakes
~250
Daily average
Normal
Activity level
5
M5.0+ events
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
5.6
east of the South Sandwich Islands
09:30 UTC · 10.0 km deep
5.3
104 km WNW of Höfn, Iceland
23:40 UTC · 10.0 km deep
5.3
23 km N of Dutch Harbor, Alaska
22:47 UTC · 83.0 km deep
Felt by 30
5.3
186 km E of Baubau, Indonesia
02:45 UTC · 609.2 km deep
5.2
east of the South Sandwich Islands
09:37 UTC · 10.0 km deep
4.8
95 km SSW of Puerto El Triunfo, El Salvador
03:06 UTC · 35.0 km deep
4.7
90 km NW of Copiapó, Chile
04:11 UTC · 22.2 km deep
Felt by 1
4.6
88 km NNW of Coquimbo, Chile
10:37 UTC · 19.0 km deep
Felt by 1
Earthquake Map — July 27, 2025
All Earthquakes — July 27, 2025
Showing 30 of 142 (filtered from 264)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2025-07-27 2025-07-27 23:55:22 UTC | 2.2ml | 90 km SSE of Sand Point, Alaska 54.573°, -160.012° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:55 UTC on July 27, 2025, a magnitude 2.2 tremor occurred 90 km SSE of Sand Point, Alaska. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 12 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 23:55:20 UTC | 4.1mb | 102 km SW of Ternate, Indonesia 0.147°, 126.718° | 68.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2025, worldwide seismic activity registered a magnitude 4.1 earthquake 102 km SW of Ternate, Indonesia at 23:55 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 23:40:01 UTC | 5.3mww | 104 km WNW of Höfn, Iceland 64.543°, -17.273° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 104 km WNW of Höfn, Iceland on July 27, 2025 at 23:40 UTC. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 23:24:04 UTC | 2.1ml | 95 km SSE of Sand Point, Alaska 54.569°, -159.829° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 95 km SSE of Sand Point, Alaska with origin time 23:24 UTC on July 27, 2025. It arrived roughly 11 hours after a larger magnitude 3.4 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. | ||||||||
2025-07-27 2025-07-27 23:00:32 UTC | 2.1ml | 95 km SSE of Sand Point, Alaska 54.604°, -159.714° | 16.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2025, worldwide seismic activity registered a magnitude 2.1 earthquake 95 km SSE of Sand Point, Alaska at 23:00 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 11 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 22:52:41 UTC | 3.1ml | 23 km SE of Unalaska, Alaska 53.755°, -166.242° | 87.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:52 UTC on July 27, 2025, a magnitude 3.1 tremor occurred 23 km SE of Unalaska, Alaska. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 22:47:05 UTC | 5.3mww | 23 km N of Dutch Harbor, Alaska 54.097°, -166.602° | 83.0 km | 30 | IV | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.3 earthquake 23 km N of Dutch Harbor, Alaska with origin time 22:47 UTC on July 27, 2025. 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 M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 22:41:28 UTC | 4.2mb | 88 km NNW of Tatsugō, Japan 29.118°, 129.108° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:41 UTC on July 27, 2025, a magnitude 4.2 tremor occurred 88 km NNW of Tatsugō, Japan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 22:13:25 UTC | 2.0ml | 89 km SSE of Sand Point, Alaska 54.626°, -159.854° | 13.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.0 earthquake 89 km SSE of Sand Point, Alaska came in on July 27, 2025 at 22:13 UTC. It arrived roughly 10 hours after a larger magnitude 3.4 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. | ||||||||
2025-07-27 2025-07-27 21:59:52 UTC | 3.1ml | 97 km SSE of Sand Point, Alaska 54.531°, -159.891° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 97 km SSE of Sand Point, Alaska at 21:59 UTC on July 27, 2025. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 10 hours earlier. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 21:50:46 UTC | 2.0ml | 90 km SSE of Sand Point, Alaska 54.586°, -159.943° | 21.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 seismic event took place 90 km SSE of Sand Point, Alaska on July 27, 2025 at 21:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 9 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 21:30:37 UTC | 2.1ml | 86 km SSE of Sand Point, Alaska 54.669°, -159.795° | 22.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:30 UTC on July 27, 2025, a magnitude 2.1 tremor occurred 86 km SSE of Sand Point, Alaska. Coming 9 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 21:21:20 UTC | 2.6ml | 26 km E of Tatitlek, Alaska 60.822°, -146.202° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 26 km E of Tatitlek, Alaska on July 27, 2025 at 21:21 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 20:57:41 UTC | 2.0ml | 85 km E of Akutan, Alaska 54.160°, -164.471° | 66.9 km | - | - | - | ✓ Reviewed | USGS → |
July 27, 2025 brought a magnitude 2.0 earthquake 85 km E of Akutan, Alaska, logged at 20:57 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 20:47:43 UTC | 2.4ml | 96 km SSE of Sand Point, Alaska 54.564°, -159.832° | 13.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2025, worldwide seismic activity registered a magnitude 2.4 earthquake 96 km SSE of Sand Point, Alaska at 20:47 UTC. Coming 8 hours after a magnitude 3.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 20:45:54 UTC | 4.1mb | 127 km N of Popondetta, Papua New Guinea -7.619°, 148.323° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:45 UTC on July 27, 2025, a magnitude 4.1 tremor occurred 127 km N of Popondetta, Papua New Guinea. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 20:17:12 UTC | 3.8mb | 257 km NW of Houma, Tonga -19.822°, -177.319° | 533.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.8 earthquake 257 km NW of Houma, Tonga came in on July 27, 2025 at 20:17 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 20:07:11 UTC | 2.1ml | 4 km WSW of Rancho Palos Verdes, CA 33.726°, -118.426° | 5.7 km | 18 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 4 km WSW of Rancho Palos Verdes, CA at 20:07 UTC on July 27, 2025. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 19:58:44 UTC | 4.4mb | 7 km S of Hukay, Philippines 13.781°, 120.707° | 184.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2025, worldwide seismic activity registered a magnitude 4.4 earthquake 7 km S of Hukay, Philippines at 19:58 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 19:19:22 UTC | 2.4ml | 90 km SSE of Sand Point, Alaska 54.544°, -160.211° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
At 19:19 UTC on July 27, 2025, a magnitude 2.4 tremor occurred 90 km SSE of Sand Point, Alaska. It arrived roughly 19 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 19:12:18 UTC | 4.3mb | 256 km W of Ozernovskiy, Russia 51.876°, 152.839° | 413.9 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 256 km W of Ozernovskiy, Russia came in on July 27, 2025 at 19:12 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 18:43:39 UTC | 4.1mb | 214 km SE of Attu Station, Alaska 51.374°, 175.213° | 10.0 km | - | I | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 214 km SE of Attu Station, Alaska at 18:43 UTC on July 27, 2025. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 18:22:51 UTC | 2.5ml | 67 km SSE of Adak, Alaska 51.285°, -176.378° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 67 km SSE of Adak, Alaska on July 27, 2025, with origin time 18:22 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 18:20:16 UTC | 3.2ml | 68 km ENE of Ouzinkie, Alaska 58.226°, -151.489° | 30.2 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 68 km ENE of Ouzinkie, Alaska with origin time 18:20 UTC on July 27, 2025. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 18:16:28 UTC | 2.1md | 50 km WNW of Petrolia, CA 40.342°, -124.873° | 12.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 50 km WNW of Petrolia, CA on July 27, 2025 at 18:16 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 17:31:51 UTC | 2.1ml | 112 km ESE of Akutan, Alaska 53.807°, -164.148° | 41.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 112 km ESE of Akutan, Alaska at 17:31 UTC on July 27, 2025. It arrived roughly 1 hours after a larger magnitude 3.4 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. | ||||||||
2025-07-27 2025-07-27 17:31:06 UTC | 4.0mb | 28 km SW of Sagaing, Burma (Myanmar) 21.733°, 95.748° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 28 km SW of Sagaing, Burma (Myanmar) on July 27, 2025 at 17:31 UTC. The event was offshore. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 17:28:29 UTC | 2.4ml | 5 km ENE of Houston, Alaska 61.650°, -149.731° | 46.9 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.4 earthquake 5 km ENE of Houston, Alaska at 17:28 UTC on July 27, 2025. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 17:25:31 UTC | 2.3ml | 34 km SE of Malaga, New Mexico 32.005°, -103.819° | 6.9 km | - | - | - | ✓ Reviewed | USGS → |
July 27, 2025 brought a magnitude 2.3 earthquake 34 km SE of Malaga, New Mexico, logged at 17:25 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2025-07-27 2025-07-27 17:15:30 UTC | 2.5ml | 51 km NNE of Adak, Alaska 52.324°, -176.439° | 225.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 51 km NNE of Adak, Alaska came in on July 27, 2025 at 17:15 UTC. 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 July 27, 2025. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.