Earthquakes on July 27, 2024
286
EARTHQUAKES on July 27, 2024
24-hour UTC period · USGS data
LARGEST: M5.3 — 4 km NE of Platanillo, Mexico
35 km deep · 11 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
33
M3.0–3.9
6
M2.0–2.9
52
M1.0–1.9
193
Activity Summary
286
Total earthquakes
~250
Daily average
Normal
Activity level
2
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
4 km NE of Platanillo, Mexico
10:30 UTC · 34.7 km deep
Felt by 11
5.2
South Georgia Island region
13:59 UTC · 10.0 km deep
4.9
95 km SSW of Hihifo, Tonga
22:56 UTC · 10.0 km deep
4.9
45 km SSE of Pangai, Tonga
21:14 UTC · 46.5 km deep
4.9
50 km ESE of Hengchun, Taiwan
11:21 UTC · 42.8 km deep
4.8
111 km NNE of Tobelo, Indonesia
17:01 UTC · 228.4 km deep
4.8
74 km N of Opotiki, New Zealand
10:20 UTC · 10.5 km deep
Felt by 1
4.8
51 km SSW of Jucuarán, El Salvador
09:27 UTC · 66.6 km deep
Earthquake Map — July 27, 2024
All Earthquakes — July 27, 2024
Showing 30 of 93 (filtered from 286)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2024-07-27 2024-07-27 23:49:45 UTC | 2.4ml | 16 km NNE of Hermleigh, Texas 32.777°, -100.694° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 16 km NNE of Hermleigh, Texas on July 27, 2024 at 23:49 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 23:33:16 UTC | 2.5ml | 85 km ESE of Red Dog Mine, Alaska 67.858°, -160.911° | 7.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 85 km ESE of Red Dog Mine, Alaska at 23:33 UTC on July 27, 2024. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 8 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 23:19:57 UTC | 3.2ml | 15 km NE of Jal, New Mexico 32.223°, -103.093° | 3.2 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.2 earthquake 15 km NE of Jal, New Mexico came in on July 27, 2024 at 23:19 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 23:10:03 UTC | 2.8ml | 25 km WSW of Petersville, Alaska 62.407°, -151.212° | 78.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 seismic event took place 25 km WSW of Petersville, Alaska on July 27, 2024 at 23:10 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 23:08:29 UTC | 2.9ml | 18 km NNE of Hermleigh, Texas 32.785°, -100.682° | 4.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 18 km NNE of Hermleigh, Texas with origin time 23:08 UTC on July 27, 2024. It arrived roughly 2 hours after a larger magnitude 4.5 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 22:58:36 UTC | 4.3mb | southeast Indian Ridge -48.515°, 105.035° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2024 at 22:58 UTC, a magnitude 4.3 earthquake struck near southeast Indian Ridge. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 22:56:31 UTC | 4.9mb | 95 km SSW of Hihifo, Tonga -16.689°, -174.273° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.9 earthquake 95 km SSW of Hihifo, Tonga with origin time 22:56 UTC on July 27, 2024. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 22:27:08 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 51.626°, 178.785° | 68.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 22:27 UTC on July 27, 2024. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 22:12:53 UTC | 2.1ml | 15 km ESE of Fernley, Nevada 39.573°, -119.076° | 9.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 15 km ESE of Fernley, Nevada came in on July 27, 2024 at 22:12 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 22:08:08 UTC | 4.4mb | 55 km ESE of Ōfunato, Japan 38.809°, 142.261° | 45.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:08 UTC on July 27, 2024, a magnitude 4.4 tremor occurred 55 km ESE of Ōfunato, Japan. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:58:52 UTC | 2.0ml | 16 km NNE of Hermleigh, Texas 32.773°, -100.685° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
At 21:58 UTC on July 27, 2024, a magnitude 2.0 tremor occurred 16 km NNE of Hermleigh, Texas. It arrived roughly 1 hours after a larger magnitude 4.5 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. | ||||||||
2024-07-27 2024-07-27 21:50:54 UTC | 2.9ml | 46 km SW of Skwentna, Alaska 61.741°, -152.097° | 108.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2024, worldwide seismic activity registered a magnitude 2.9 earthquake 46 km SW of Skwentna, Alaska at 21:50 UTC. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:48:14 UTC | 4.3mb | 100 km WSW of San Antonio de los Cobres, Argentina -24.402°, -67.292° | 183.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 100 km WSW of San Antonio de los Cobres, Argentina on July 27, 2024 at 21:48 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:26:12 UTC | 4.4mb | 122 km SW of Fakfak, Indonesia -3.695°, 131.501° | 17.8 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 122 km SW of Fakfak, Indonesia at 21:26 UTC on July 27, 2024. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:14:07 UTC | 4.9mb | 45 km SSE of Pangai, Tonga -20.162°, -174.121° | 46.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2024, worldwide seismic activity registered a magnitude 4.9 earthquake 45 km SSE of Pangai, Tonga at 21:14 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:12:08 UTC | 2.8ml | 17 km NNE of Hermleigh, Texas 32.781°, -100.695° | 7.6 km | - | - | - | ✓ Reviewed | USGS → |
July 27, 2024 brought a magnitude 2.8 earthquake 17 km NNE of Hermleigh, Texas, logged at 21:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 1 hours earlier. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:08:47 UTC | 3.3ml | 47 km ESE of Atka, Alaska 51.975°, -173.602° | 10.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 47 km ESE of Atka, Alaska on July 27, 2024, with origin time 21:08 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 21:08:31 UTC | 4.5ml | 13 km NNE of Hermleigh, Texas 32.744°, -100.696° | 3.4 km | 115 | IV | green | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 13 km NNE of Hermleigh, Texas on July 27, 2024 at 21:08 UTC. In the 72 hours after this event, the USGS recorded 12 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 20:56:54 UTC | 2.9ml | 62 km SSE of Adak, Alaska 51.355°, -176.301° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:56 UTC on July 27, 2024, a magnitude 2.9 tremor occurred 62 km SSE of Adak, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 20:34:40 UTC | 4.3mb | south of the Fiji Islands -23.987°, 179.890° | 526.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake south of the Fiji Islands with origin time 20:34 UTC on July 27, 2024. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 20:14:30 UTC | 4.3mb | 19 km NW of Sarabetsu, Japan 42.777°, 143.009° | 107.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2024, worldwide seismic activity registered a magnitude 4.3 earthquake 19 km NW of Sarabetsu, Japan at 20:14 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 20:13:51 UTC | 4.2mb | 14 km WNW of Changuillo, Peru -14.618°, -75.353° | 63.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 14 km WNW of Changuillo, Peru on July 27, 2024 at 20:13 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 19:20:52 UTC | 2.3ml | 56 km N of Karluk, Alaska 58.074°, -154.422° | 1.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 56 km N of Karluk, Alaska came in on July 27, 2024 at 19:20 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 19:17:09 UTC | 2.2ml | 27 km S of Westbrook, Texas 32.114°, -101.054° | 7.7 km | - | - | - | ✓ Reviewed | USGS → |
On July 27, 2024 at 19:17 UTC, a magnitude 2.2 earthquake struck 27 km S of Westbrook, Texas. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 19:08:12 UTC | 2.0ml | 37 km E of Pedro Bay, Alaska 59.755°, -153.450° | 125.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 37 km E of Pedro Bay, Alaska at 19:08 UTC on July 27, 2024. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 18:47:12 UTC | 2.7ml | 95 km E of Nikolski, Alaska 52.786°, -167.472° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 earthquake was recorded 95 km E of Nikolski, Alaska on July 27, 2024 at 18:47 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 18:46:37 UTC | 2.9ml | 140 km S of Unalaska, Alaska 52.615°, -166.730° | 28.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 140 km S of Unalaska, Alaska at 18:46 UTC on July 27, 2024. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 18:38:18 UTC | 4.3mb | 160 km W of Lata, Solomon Islands -10.761°, 164.331° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:38 UTC on July 27, 2024, a magnitude 4.3 tremor occurred 160 km W of Lata, Solomon Islands. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2024-07-27 2024-07-27 18:25:02 UTC | 2.5ml | 13 km SSE of Harrison, Montana 45.586°, -111.741° | 4.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.5 event was detected 13 km SSE of Harrison, Montana on July 27, 2024, with origin time 18:25 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. | ||||||||
2024-07-27 2024-07-27 18:12:14 UTC | 4.5mww | 47 km NW of Ninilchik, Alaska 60.322°, -152.323° | 87.8 km | 31 | III | - | ✓ Reviewed | USGS → |
July 27, 2024 brought a magnitude 4.5 earthquake 47 km NW of Ninilchik, Alaska, logged at 18:12 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. The event was offshore. See the M4.5 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, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.