Earthquakes on July 4, 2020
422
EARTHQUAKES on July 4, 2020
24-hour UTC period · USGS data
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
5
M4.0–4.9
28
M3.0–3.9
20
M2.0–2.9
98
M1.0–1.9
271
Activity Summary
422
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events
Significant Earthquakes (M4.5+)
5.5
275 km SW of Gizo, Solomon Islands
01:34 UTC · 10.0 km deep
5.4
47 km E of Rasht, Tajikistan
09:53 UTC · 10.0 km deep
Felt by 12
5.3
southern East Pacific Rise
07:40 UTC · 10.0 km deep
Felt by 1
5.2
289 km SW of Gizo, Solomon Islands
01:49 UTC · 10.0 km deep
5.0
southern Mid-Atlantic Ridge
16:26 UTC · 10.0 km deep
4.8
86 km S of Sumberpucung, Indonesia
19:09 UTC · 94.2 km deep
Felt by 8
4.8
177 km SE of Choibalsan, Mongolia
06:19 UTC · 10.0 km deep
4.8
south of the Kermadec Islands
02:22 UTC · 10.0 km deep
Earthquake Map — July 4, 2020

All Earthquakes — July 4, 2020
Showing 30 of 151 (filtered from 422)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-07-04 2020-07-04 23:59:29 UTC | 2.0md | 5 km SSW of Guánica, Puerto Rico 17.928°, -66.921° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020, worldwide seismic activity registered a magnitude 2.0 earthquake 5 km SSW of Guánica, Puerto Rico at 23:59 UTC. Coming 18 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 23:58:41 UTC | 2.2ml | 11 km NW of Stanley, Idaho 44.302°, -115.028° | 15.6 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020, worldwide seismic activity registered a magnitude 2.2 earthquake 11 km NW of Stanley, Idaho at 23:58 UTC. It arrived roughly 21 hours after a larger magnitude 3.3 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 23:53:14 UTC | 2.1ml | 19km S of Trona, CA 35.591°, -117.392° | 8.3 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 19km S of Trona, CA at 23:53 UTC on July 4, 2020. It arrived roughly 1 hours after a larger magnitude 2.1 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. | ||||||||
2020-07-04 2020-07-04 23:51:07 UTC | 2.6ml | Rat Islands, Aleutian Islands, Alaska 51.800°, 178.372° | 122.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake near Rat Islands, Aleutian Islands, Alaska with origin time 23:51 UTC on July 4, 2020. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 23:47:59 UTC | 2.4ml | 14 km WNW of Stanley, Idaho 44.291°, -115.094° | 16.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 seismic event took place 14 km WNW of Stanley, Idaho on July 4, 2020 at 23:47 UTC. Coming 21 hours after a magnitude 3.3 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. | ||||||||
2020-07-04 2020-07-04 23:46:04 UTC | 4.5mb | 160 km NW of Sola, Vanuatu -12.810°, 166.546° | 72.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 160 km NW of Sola, Vanuatu with origin time 23:46 UTC on July 4, 2020. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 23:33:29 UTC | 2.3md | 5 km WSW of Fuig, Puerto Rico 17.960°, -66.960° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
July 4, 2020 brought a magnitude 2.3 earthquake 5 km WSW of Fuig, Puerto Rico, logged at 23:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 17 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 23:31:00 UTC | 4.2mb | Kuril Islands 48.076°, 152.532° | 141.3 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.2 earthquake near Kuril Islands came in on July 4, 2020 at 23:31 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 22:54:15 UTC | 2.1md | 5 km WSW of Guánica, Puerto Rico 17.960°, -66.955° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 5 km WSW of Guánica, Puerto Rico on July 4, 2020 at 22:54 UTC. Coming 16 hours after a magnitude 3.5 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. | ||||||||
2020-07-04 2020-07-04 22:49:18 UTC | 2.5md | 5 km ESE of La Parguera, Puerto Rico 17.959°, -66.999° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:49 UTC on July 4, 2020, a magnitude 2.5 tremor occurred 5 km ESE of La Parguera, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 16 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 22:47:16 UTC | 2.1ml | 12km ENE of Ridgecrest, CA 35.648°, -117.547° | 8.6 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 12km ENE of Ridgecrest, CA on July 4, 2020, with origin time 22:47 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 22:31:26 UTC | 3.5md | Puerto Rico region 17.956°, -66.984° | 7.0 km | 10 | II | - | ✓ Reviewed | USGS → |
At 22:31 UTC on July 4, 2020, a magnitude 3.5 tremor occurred in the Puerto Rico region. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 16 hours earlier. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 22:28:20 UTC | 2.7md | 89km W of Petrolia, CA 40.397°, -125.335° | 19.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 89km W of Petrolia, CA on July 4, 2020, with origin time 22:28 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 22:07:30 UTC | 4.5mb | 14 km ENE of Murghob, Tajikistan 38.220°, 74.118° | 159.4 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake 14 km ENE of Murghob, Tajikistan at 22:07 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 21:45:02 UTC | 2.3md | 5 km SW of Guánica, Puerto Rico 17.942°, -66.947° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km SW of Guánica, Puerto Rico at 21:45 UTC. Coming 15 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 21:36:48 UTC | 2.4ml | 11 km ESE of Leilani Estates, Hawaii 19.424°, -154.819° | 5.8 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 11 km ESE of Leilani Estates, Hawaii with origin time 21:36 UTC on July 4, 2020. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 21:22:37 UTC | 2.0ml | 5 km ESE of Mooreland, Oklahoma 36.415°, -99.154° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 21:22 UTC, a magnitude 2.0 earthquake struck 5 km ESE of Mooreland, Oklahoma. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 21:08:26 UTC | 2.3md | 6 km SW of Guánica, Puerto Rico 17.936°, -66.957° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 21:08 UTC, a magnitude 2.3 earthquake struck 6 km SW of Guánica, Puerto Rico. Coming 15 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:44:23 UTC | 2.8ml | 48 km S of Atka, Alaska 51.767°, -174.324° | 29.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 48 km S of Atka, Alaska on July 4, 2020 at 20:44 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:42:24 UTC | 4.1mb | 150 km SSW of Port-Vila, Vanuatu -18.917°, 167.606° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 20:42 UTC, a magnitude 4.1 earthquake struck 150 km SSW of Port-Vila, Vanuatu. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:36:24 UTC | 3.1md | Puerto Rico region 17.959°, -66.984° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 20:36 UTC, a magnitude 3.1 earthquake struck in the Puerto Rico region. Coming 14 hours after a magnitude 3.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:26:44 UTC | 2.9md | 5 km S of Guánica, Puerto Rico 17.925°, -66.913° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.9 earthquake 5 km S of Guánica, Puerto Rico came in on July 4, 2020 at 20:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 14 hours earlier. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:21:30 UTC | 4.4mb | 40 km ESE of Caburan, Philippines 5.784°, 125.978° | 126.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 20:21 UTC, a magnitude 4.4 earthquake struck 40 km ESE of Caburan, Philippines. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:09:37 UTC | 3.2ml | 30km SE of Bodie, CA 38.054°, -118.734° | 7.0 km | 1 | III | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 30km SE of Bodie, CA with origin time 20:09 UTC on July 4, 2020. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:08:08 UTC | 2.7md | 5 km WSW of Guánica, Puerto Rico 17.952°, -66.954° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.7 earthquake 5 km WSW of Guánica, Puerto Rico at 20:08 UTC on July 4, 2020. It arrived roughly 14 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 20:00:27 UTC | 4.5mb | 124 km NW of Panguna, Papua New Guinea -5.671°, 154.565° | 117.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:00 UTC on July 4, 2020, a magnitude 4.5 tremor occurred 124 km NW of Panguna, Papua New Guinea. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 19:43:35 UTC | 2.9ml | 238 km WSW of Adak, Alaska 51.106°, -179.847° | 13.9 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020 at 19:43 UTC, a magnitude 2.9 earthquake struck 238 km WSW of Adak, Alaska. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 19:42:38 UTC | 2.9md | 6 km WSW of Fuig, Puerto Rico 17.960°, -66.971° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 6 km WSW of Fuig, Puerto Rico on July 4, 2020 at 19:42 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.5 earthquake that occurred about 13 hours earlier. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 19:38:04 UTC | 2.5md | 5 km SSW of Indios, Puerto Rico 17.947°, -66.844° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On July 4, 2020, worldwide seismic activity registered a magnitude 2.5 earthquake 5 km SSW of Indios, Puerto Rico at 19:38 UTC. It arrived roughly 13 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-07-04 2020-07-04 19:29:17 UTC | 3.0md | 4 km E of La Parguera, Puerto Rico 17.970°, -67.001° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 4 km E of La Parguera, Puerto Rico on July 4, 2020 at 19:29 UTC. It arrived roughly 13 hours after a larger magnitude 3.5 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.0 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 4, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.