Earthquakes on July 28, 2020
421
EARTHQUAKES on July 28, 2020
24-hour UTC period · USGS data
35 km deep · 17 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
2
M4.0–4.9
41
M3.0–3.9
12
M2.0–2.9
96
M1.0–1.9
270
Activity Summary
421
Total earthquakes
~250
Daily average
Elevated
Activity level
2
M5.0+ events
Significant Earthquakes (M4.5+)
6.1
75 km SW of Sand Point, Alaska
08:03 UTC · 35.1 km deep
Felt by 17
5.0
49 km SSE of Sand Point, Alaska
12:42 UTC · 41.9 km deep
4.9
Fiji region
19:11 UTC · 529.3 km deep
4.9
10 km SSW of Quilca, Peru
16:40 UTC · 77.7 km deep
Felt by 6
4.8
25 km ESE of Khawhai, India
14:38 UTC · 10.0 km deep
4.8
209 km N of Shi Yomi, India
03:32 UTC · 10.0 km deep
4.6
257 km N of Fais, Micronesia
23:31 UTC · 10.0 km deep
4.6
south of Java, Indonesia
20:42 UTC · 10.0 km deep
Earthquake Map — July 28, 2020
All Earthquakes — July 28, 2020
Showing 30 of 151 (filtered from 421)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-07-28 2020-07-28 23:57:35 UTC | 2.7ml | 115 km SSW of Sand Point, Alaska 54.327°, -160.908° | 21.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 115 km SSW of Sand Point, Alaska on July 28, 2020, with origin time 23:57 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 23:31:50 UTC | 4.6mb | 257 km N of Fais, Micronesia 12.072°, 140.190° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.6 event was detected 257 km N of Fais, Micronesia on July 28, 2020, with origin time 23:31 UTC. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 23:28:13 UTC | 2.3md | 5 km SSE of Indios, Puerto Rico 17.950°, -66.808° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 5 km SSE of Indios, Puerto Rico with origin time 23:28 UTC on July 28, 2020. It arrived roughly 1 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 23:19:26 UTC | 2.2ml | 55 km SSE of Sand Point, Alaska 54.855°, -160.284° | 23.5 km | - | - | - | ✓ Reviewed | USGS → |
July 28, 2020 brought a magnitude 2.2 earthquake 55 km SSE of Sand Point, Alaska, logged at 23:19 UTC. Coming 11 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 23:08:53 UTC | 2.4ml | 59 km NW of Ninilchik, Alaska 60.434°, -152.417° | 89.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 59 km NW of Ninilchik, Alaska with origin time 23:08 UTC on July 28, 2020. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 23:00:18 UTC | 2.0ml | 83 km SSW of Sand Point, Alaska 54.670°, -161.098° | 24.3 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 83 km SSW of Sand Point, Alaska with origin time 23:00 UTC on July 28, 2020. This event falls inside the aftershock decay of a nearby magnitude 6.1 earthquake that occurred about 15 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:58:57 UTC | 4.5mb | south of the Kermadec Islands -33.144°, -178.071° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake south of the Kermadec Islands with origin time 22:58 UTC on July 28, 2020. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:52:02 UTC | 2.3ml | 20 km WNW of Stanley, Idaho 44.272°, -115.183° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 20 km WNW of Stanley, Idaho at 22:52 UTC on July 28, 2020. It arrived roughly 1 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:49:13 UTC | 2.0ml | 98 km SE of Sand Point, Alaska 54.744°, -159.353° | 25.3 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 98 km SE of Sand Point, Alaska at 22:49 UTC. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:48:18 UTC | 2.1ml | 108 km SSE of Perryville, Alaska 54.977°, -158.652° | 48.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 108 km SSE of Perryville, Alaska on July 28, 2020 at 22:48 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:30:11 UTC | 2.9ml | 36 km NW of Stanley, Idaho 44.463°, -115.237° | 14.2 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 36 km NW of Stanley, Idaho at 22:30 UTC on July 28, 2020. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:29:47 UTC | 4.4mb | 10 km SE of Poblado 10, Mexico 17.206°, -94.384° | 143.2 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 10 km SE of Poblado 10, Mexico at 22:29 UTC on July 28, 2020. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:29:23 UTC | 2.0ml | 106 km SSE of Perryville, Alaska 54.985°, -158.717° | 25.8 km | - | - | - | ✓ Reviewed | USGS → |
At 22:29 UTC on July 28, 2020, a magnitude 2.0 tremor occurred 106 km SSE of Perryville, Alaska. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:14:26 UTC | 3.2md | Puerto Rico region 17.989°, -66.785° | 12.0 km | - | II | - | ✓ Reviewed | USGS → |
July 28, 2020 brought a magnitude 3.2 earthquake in the Puerto Rico region, logged at 22:14 UTC. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 22:00:49 UTC | 2.4ml | 16 km WSW of Stanley, Idaho 44.136°, -115.115° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake 16 km WSW of Stanley, Idaho at 22:00 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 21:46:29 UTC | 2.4ml | 27 km NW of Stanley, Idaho 44.369°, -115.213° | 9.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 27 km NW of Stanley, Idaho on July 28, 2020 at 21:46 UTC. Coming 1 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 21:36:22 UTC | 2.0md | 3 km E of P?hala, Hawaii 19.201°, -155.450° | 33.6 km | - | - | - | Auto | USGS → |
A magnitude 2.0 earthquake was recorded 3 km E of P?hala, Hawaii on July 28, 2020 at 21:36 UTC. It arrived roughly 15 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 21:30:04 UTC | 2.2md | Puerto Rico region 17.926°, -66.930° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place in the Puerto Rico region on July 28, 2020 at 21:30 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 20 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 21:16:11 UTC | 2.1ml | 51 km E of Juneau, Alaska 58.357°, -133.540° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
July 28, 2020 brought a magnitude 2.1 earthquake 51 km E of Juneau, Alaska, logged at 21:16 UTC. It arrived roughly 1 hours after a larger magnitude 2.8 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. | ||||||||
2020-07-28 2020-07-28 21:09:04 UTC | 2.6ml | 95 km SE of Perryville, Alaska 55.405°, -157.913° | 26.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 95 km SE of Perryville, Alaska came in on July 28, 2020 at 21:09 UTC. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:52:17 UTC | 4.2mb | 107 km WNW of Hihifo, Tonga -15.574°, -174.722° | 276.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2020 at 20:52 UTC, a magnitude 4.2 earthquake struck 107 km WNW of Hihifo, Tonga. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:51:29 UTC | 4.2mwr | 57 km SW of Antofagasta, Chile -23.998°, -70.814° | 44.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 57 km SW of Antofagasta, Chile on July 28, 2020 at 20:51 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:47:11 UTC | 2.4ml | 26 km NW of Stanley, Idaho 44.356°, -115.208° | 13.2 km | - | - | - | ✓ Reviewed | USGS → |
At 20:47 UTC on July 28, 2020, a magnitude 2.4 tremor occurred 26 km NW of Stanley, Idaho. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:42:20 UTC | 4.6mb | south of Java, Indonesia -10.636°, 108.022° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.6 earthquake south of Java, Indonesia came in on July 28, 2020 at 20:42 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:33:26 UTC | 4.6mb | 8 km ENE of Omigawa, Japan 35.875°, 140.707° | 34.1 km | 7 | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 seismic event took place 8 km ENE of Omigawa, Japan on July 28, 2020 at 20:33 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:26:37 UTC | 2.1ml | 38 km SSW of Denali National Park, Alaska 63.208°, -151.964° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
On July 28, 2020 at 20:26 UTC, a magnitude 2.1 earthquake struck 38 km SSW of Denali National Park, Alaska. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:23:30 UTC | 2.3ml | 24 km NW of Stanley, Idaho 44.355°, -115.185° | 14.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 24 km NW of Stanley, Idaho on July 28, 2020, with origin time 20:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 7 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:20:31 UTC | 2.2md | 8 km ENE of P?hala, Hawaii 19.227°, -155.403° | 34.3 km | - | - | - | Auto | USGS → |
This magnitude 2.2 event was detected 8 km ENE of P?hala, Hawaii on July 28, 2020, with origin time 20:20 UTC. It arrived roughly 13 hours after a larger magnitude 2.3 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:16:24 UTC | 4.2mb | 23 km S of Takedamachi, Japan 32.759°, 131.386° | 101.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake 23 km S of Takedamachi, Japan with origin time 20:16 UTC on July 28, 2020. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-28 2020-07-28 20:07:15 UTC | 2.8ml | 56 km E of Juneau, Alaska 58.331°, -133.463° | 3.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 56 km E of Juneau, Alaska on July 28, 2020 at 20:07 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.8 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 28, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.