Earthquakes on July 31, 2026
277
EARTHQUAKES on July 31, 2026
24-hour UTC period · USGS data
158 km deep · 13 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
9
M4.0–4.9
46
M3.0–3.9
6
M2.0–2.9
50
M1.0–1.9
166
Activity Summary
277
Total earthquakes
~250
Daily average
Normal
Activity level
9
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.6
32 km ENE of San Fernando, Peru
00:58 UTC · 158.2 km deep
Felt by 13
5.3
141 km ENE of Masohi, Indonesia
20:19 UTC · 10.0 km deep
5.2
South Sandwich Islands region
18:58 UTC · 35.0 km deep
5.2
91 km WSW of Puerto Madero, Mexico
16:15 UTC · 10.0 km deep
5.1
132 km ENE of Masohi, Indonesia
23:17 UTC · 10.0 km deep
5.1
148 km ENE of Masohi, Indonesia
23:15 UTC · 10.0 km deep
5.0
76 km W of Coquimbo, Chile
17:47 UTC · 11.9 km deep
5.0
Kermadec Islands region
06:30 UTC · 10.0 km deep
Earthquake Map — July 31, 2026
All Earthquakes — July 31, 2026
Showing 30 of 111 (filtered from 277)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2026-07-31 2026-07-31 23:56:41 UTC | 4.1mb | 57 km W of Palaióchora, Greece 35.301°, 23.056° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.1 event was detected 57 km W of Palaióchora, Greece on July 31, 2026, with origin time 23:56 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:55:33 UTC | 2.2ml | 64 km NNE of White Mountain, Alaska 65.188°, -162.734° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026, worldwide seismic activity registered a magnitude 2.2 earthquake 64 km NNE of White Mountain, Alaska at 23:55 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:46:39 UTC | 2.9ml | 93 km SE of Nikolski, Alaska 52.258°, -168.047° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026, worldwide seismic activity registered a magnitude 2.9 earthquake 93 km SE of Nikolski, Alaska at 23:46 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:46:02 UTC | 2.9ml | 91 km SE of Nikolski, Alaska 52.351°, -167.926° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:46 UTC on July 31, 2026, a magnitude 2.9 tremor occurred 91 km SE of Nikolski, Alaska. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:37:42 UTC | 2.2ml | 2 km N of Culver City, CA 34.042°, -118.394° | 13.0 km | 8 | - | - | ✓ Reviewed | USGS → |
This magnitude 2.2 event was detected 2 km N of Culver City, CA on July 31, 2026, with origin time 23:37 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:36:03 UTC | 4.5mb | 36 km SE of Sulangan, Philippines 10.746°, 126.098° | 10.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 36 km SE of Sulangan, Philippines on July 31, 2026 at 23:36 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:18:27 UTC | 2.6ml | 189 km SSE of Unalaska, Alaska 52.290°, -165.479° | 2.5 km | - | - | - | ✓ Reviewed | USGS → |
At 23:18 UTC on July 31, 2026, a magnitude 2.6 tremor occurred 189 km SSE of Unalaska, Alaska. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:17:37 UTC | 5.1mb | 132 km ENE of Masohi, Indonesia -2.941°, 130.110° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:17 UTC on July 31, 2026, a magnitude 5.1 tremor occurred 132 km ENE of Masohi, Indonesia. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 3 hours earlier. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:15:50 UTC | 5.1mb | 148 km ENE of Masohi, Indonesia -2.924°, 130.256° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake 148 km ENE of Masohi, Indonesia at 23:15 UTC on July 31, 2026. Coming 3 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 23:00:03 UTC | 2.5ml | 159 km W of Adak, Alaska 51.822°, -178.953° | 94.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 159 km W of Adak, Alaska at 23:00 UTC on July 31, 2026. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:57:16 UTC | 2.1ml | 90 km E of Nikolski, Alaska 52.826°, -167.530° | 38.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 earthquake was recorded 90 km E of Nikolski, Alaska on July 31, 2026 at 22:57 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:49:55 UTC | 2.3ml | 12 km SE of Pearsall, Texas 28.830°, -98.991° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026 at 22:49 UTC, a magnitude 2.3 earthquake struck 12 km SE of Pearsall, Texas. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:47:22 UTC | 4.4mb | 113 km WNW of Ternate, Indonesia 1.203°, 126.448° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:47 UTC on July 31, 2026, a magnitude 4.4 tremor occurred 113 km WNW of Ternate, Indonesia. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:18:30 UTC | 4.1mb | 157 km ENE of Masohi, Indonesia -2.969°, 130.350° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.1 earthquake 157 km ENE of Masohi, Indonesia came in on July 31, 2026 at 22:18 UTC. Coming 2 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:07:11 UTC | 4.4mb | 35 km SE of Sulangan, Philippines 10.690°, 126.033° | 43.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 35 km SE of Sulangan, Philippines at 22:07 UTC on July 31, 2026. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:02:32 UTC | 4.1mb | 140 km ENE of Masohi, Indonesia -3.016°, 130.204° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 140 km ENE of Masohi, Indonesia on July 31, 2026 at 22:02 UTC. It arrived roughly 2 hours after a larger magnitude 5.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 22:01:54 UTC | 4.1mb | 116 km ESE of Yamada, Japan 39.230°, 143.262° | 30.3 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2026 brought a magnitude 4.1 earthquake 116 km ESE of Yamada, Japan, logged at 22:01 UTC. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 21:32:46 UTC | 4.1mb | 131 km ENE of Masohi, Indonesia -3.038°, 130.119° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026 at 21:32 UTC, a magnitude 4.1 earthquake struck 131 km ENE of Masohi, Indonesia. Coming 1 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 21:27:50 UTC | 3.6ml | 67 km SE of Atka, Alaska 51.807°, -173.450° | 23.9 km | - | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.6 earthquake 67 km SE of Atka, Alaska at 21:27 UTC on July 31, 2026. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 21:24:10 UTC | 4.5mb | 58 km NE of Simao, China 23.139°, 101.407° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2026 brought a magnitude 4.5 earthquake 58 km NE of Simao, China, logged at 21:24 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 21:23:57 UTC | 4.5mb | 113 km ESE of Sarangani, Philippines 4.851°, 126.326° | 58.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026 at 21:23 UTC, a magnitude 4.5 earthquake struck 113 km ESE of Sarangani, Philippines. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 21:10:36 UTC | 4.4mb | 146 km ENE of Masohi, Indonesia -2.919°, 130.227° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 146 km ENE of Masohi, Indonesia on July 31, 2026, with origin time 21:10 UTC. Coming 1 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:59:14 UTC | 4.4mb | 123 km WSW of Puerto Madero, Mexico 14.206°, -93.434° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 123 km WSW of Puerto Madero, Mexico came in on July 31, 2026 at 20:59 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:54:10 UTC | 4.4mb | 136 km ENE of Masohi, Indonesia -2.868°, 130.115° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place 136 km ENE of Masohi, Indonesia on July 31, 2026 at 20:54 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:32:21 UTC | 4.4mb | south of the Fiji Islands -26.771°, -178.706° | 349.4 km | - | - | - | ✓ Reviewed | USGS → |
July 31, 2026 brought a magnitude 4.4 earthquake south of the Fiji Islands, logged at 20:32 UTC. 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. | ||||||||
2026-07-31 2026-07-31 20:29:10 UTC | 4.6mb | 142 km ENE of Masohi, Indonesia -2.886°, 130.185° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded 142 km ENE of Masohi, Indonesia on July 31, 2026 at 20:29 UTC. Coming 1 hours after a magnitude 5.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:26:49 UTC | 4.4mb | 10 km E of Hulbuk, Tajikistan 37.817°, 69.763° | 43.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 31, 2026 at 20:26 UTC, a magnitude 4.4 earthquake struck 10 km E of Hulbuk, Tajikistan. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:19:26 UTC | 5.3mww | 141 km ENE of Masohi, Indonesia -2.864°, 130.166° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 5.3 earthquake was recorded 141 km ENE of Masohi, Indonesia on July 31, 2026 at 20:19 UTC. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:18:52 UTC | 4.5mb | 146 km ENE of Masohi, Indonesia -2.944°, 130.236° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 146 km ENE of Masohi, Indonesia on July 31, 2026 at 20:18 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 M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-07-31 2026-07-31 20:11:01 UTC | 2.2ml | 42 km S of Adak, Alaska 51.502°, -176.742° | 63.5 km | - | - | - | ✓ Reviewed | USGS → |
At 20:11 UTC on July 31, 2026, a magnitude 2.2 tremor occurred 42 km S of Adak, Alaska. 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 July 31, 2026. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.