Earthquakes on June 28, 2020
427
EARTHQUAKES on June 28, 2020
24-hour UTC period · USGS data
LARGEST: M5.4 — 5 km SSE of ?çmeler, Turkey
63 km deep · 60 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
43
M3.0–3.9
30
M2.0–2.9
107
M1.0–1.9
246
Activity Summary
427
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.4
5 km SSE of ?çmeler, Turkey
17:43 UTC · 63.0 km deep
Felt by 60
4.8
170 km ESE of Neiafu, Tonga
12:06 UTC · 10.0 km deep
4.8
5 km SW of Guánica, Puerto Rico
06:42 UTC · 11.0 km deep
Felt by 433
4.8
57 km SW of Masachapa, Nicaragua
02:33 UTC · 47.8 km deep
Felt by 2
4.7
Fiji region
21:51 UTC · 575.7 km deep
4.7
185 km SE of Katsuura, Japan
14:54 UTC · 10.0 km deep
4.7
126 km S of Panguna, Papua New Guinea
14:49 UTC · 10.0 km deep
4.7
northern Mid-Atlantic Ridge
07:32 UTC · 10.0 km deep
Earthquake Map — June 28, 2020
All Earthquakes — June 28, 2020
Showing 30 of 181 (filtered from 427)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-06-28 2020-06-28 23:53:25 UTC | 2.4md | 1 km WSW of Guánica, Puerto Rico 17.969°, -66.922° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.4 earthquake was recorded 1 km WSW of Guánica, Puerto Rico on June 28, 2020 at 23:53 UTC. Coming 17 hours after a magnitude 4.8 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. | ||||||||
2020-06-28 2020-06-28 23:26:50 UTC | 2.1md | 4 km SW of Guánica, Puerto Rico 17.949°, -66.938° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 4 km SW of Guánica, Puerto Rico with origin time 23:26 UTC on June 28, 2020. Coming 17 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:26:28 UTC | 2.1md | 5 km WSW of Guánica, Puerto Rico 17.956°, -66.954° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.1 earthquake 5 km WSW of Guánica, Puerto Rico with origin time 23:26 UTC on June 28, 2020. It arrived roughly 17 hours after a larger magnitude 4.8 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. | ||||||||
2020-06-28 2020-06-28 23:25:56 UTC | 3.0ml | 92 km NE of Miches, Dominican Republic 19.575°, -68.428° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020, worldwide seismic activity registered a magnitude 3.0 earthquake 92 km NE of Miches, Dominican Republic at 23:25 UTC. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:22:24 UTC | 2.4md | 5 km WSW of Guánica, Puerto Rico 17.946°, -66.956° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020, worldwide seismic activity registered a magnitude 2.4 earthquake 5 km WSW of Guánica, Puerto Rico at 23:22 UTC. It arrived roughly 17 hours after a larger magnitude 4.8 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. | ||||||||
2020-06-28 2020-06-28 23:20:19 UTC | 2.4md | 5 km SW of Guánica, Puerto Rico 17.942°, -66.954° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020 at 23:20 UTC, a magnitude 2.4 earthquake struck 5 km SW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 17 hours earlier. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:12:48 UTC | 3.6ml | 6 km SW of Guánica, Puerto Rico 17.934°, -66.950° | 13.0 km | 10 | II | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.6 earthquake 6 km SW of Guánica, Puerto Rico came in on June 28, 2020 at 23:12 UTC. Coming 17 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:12:16 UTC | 2.5ml | 8 km SE of Beluga, Alaska 61.083°, -150.976° | 53.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 8 km SE of Beluga, Alaska at 23:12 UTC on June 28, 2020. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:09:01 UTC | 3.0md | 6 km SW of Guánica, Puerto Rico 17.939°, -66.955° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.0 earthquake was recorded 6 km SW of Guánica, Puerto Rico on June 28, 2020 at 23:09 UTC. Coming 16 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:03:49 UTC | 2.1md | 2 km S of Guánica, Puerto Rico 17.947°, -66.913° | 12.0 km | 2 | - | - | ✓ Reviewed | USGS → |
On June 28, 2020, worldwide seismic activity registered a magnitude 2.1 earthquake 2 km S of Guánica, Puerto Rico at 23:03 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 16 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 23:01:51 UTC | 2.1ml | 72 km S of Haines Junction, Canada 60.112°, -137.707° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 72 km S of Haines Junction, Canada on June 28, 2020 at 23:01 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:51:48 UTC | 3.8mb | 36 km NE of Atka, Alaska 52.468°, -173.890° | 130.5 km | - | - | - | ✓ Reviewed | USGS → |
At 22:51 UTC on June 28, 2020, a magnitude 3.8 tremor occurred 36 km NE of Atka, Alaska. The event was offshore. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:48:49 UTC | 4.5ml | 5 km SW of Guánica, Puerto Rico 17.944°, -66.950° | 13.0 km | 173 | IV | green | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake 5 km SW of Guánica, Puerto Rico with origin time 22:48 UTC on June 28, 2020. It arrived roughly 16 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. 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. | ||||||||
2020-06-28 2020-06-28 22:47:50 UTC | 2.1md | 10km SSW of Ridgemark, CA 36.730°, -121.407° | 3.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 10km SSW of Ridgemark, CA at 22:47 UTC on June 28, 2020. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:41:38 UTC | 3.2md | 6 km SW of Guánica, Puerto Rico 17.936°, -66.960° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.2 earthquake 6 km SW of Guánica, Puerto Rico with origin time 22:41 UTC on June 28, 2020. Coming 16 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:34:16 UTC | 3.0md | 7 km WSW of Guánica, Puerto Rico 17.937°, -66.963° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
June 28, 2020 brought a magnitude 3.0 earthquake 7 km WSW of Guánica, Puerto Rico, logged at 22:34 UTC. It arrived roughly 16 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:28:50 UTC | 2.6md | 6 km WSW of Guánica, Puerto Rico 17.955°, -66.962° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.6 earthquake 6 km WSW of Guánica, Puerto Rico came in on June 28, 2020 at 22:28 UTC. Coming 16 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:24:54 UTC | 3.0md | 3 km SSW of Guánica, Puerto Rico 17.942°, -66.928° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.0 earthquake 3 km SSW of Guánica, Puerto Rico with origin time 22:24 UTC on June 28, 2020. It arrived roughly 16 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:17:54 UTC | 2.1ml | 7 km SE of Victor, Idaho 43.565°, -111.042° | 3.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 7 km SE of Victor, Idaho on June 28, 2020, with origin time 22:17 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:14:25 UTC | 2.2md | 4 km WSW of Guánica, Puerto Rico 17.956°, -66.951° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
June 28, 2020 brought a magnitude 2.2 earthquake 4 km WSW of Guánica, Puerto Rico, logged at 22:14 UTC. Coming 16 hours after a magnitude 4.8 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. | ||||||||
2020-06-28 2020-06-28 22:13:58 UTC | 3.7mw | 13km SSE of Bombay Beach, CA 33.234°, -115.695° | 2.7 km | 12 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.7 event was detected 13km SSE of Bombay Beach, CA on June 28, 2020, with origin time 22:13 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:10:47 UTC | 3.4md | 5 km SW of Guánica, Puerto Rico 17.942°, -66.952° | 13.0 km | 5 | II | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.4 earthquake 5 km SW of Guánica, Puerto Rico at 22:10 UTC on June 28, 2020. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 15 hours earlier. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 22:05:06 UTC | 2.6md | 1 km ESE of Fuig, Puerto Rico 17.984°, -66.906° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020 at 22:05 UTC, a magnitude 2.6 earthquake struck 1 km ESE of Fuig, Puerto Rico. Coming 15 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 21:59:30 UTC | 3.0md | 5 km WSW of Guánica, Puerto Rico 17.947°, -66.951° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020 at 21:59 UTC, a magnitude 3.0 earthquake struck 5 km WSW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 15 hours earlier. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 21:57:52 UTC | 2.7md | 4 km WSW of Guánica, Puerto Rico 17.952°, -66.945° | 12.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 4 km WSW of Guánica, Puerto Rico on June 28, 2020 at 21:57 UTC. Coming 15 hours after a magnitude 4.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 21:51:01 UTC | 4.7mb | Fiji region -20.829°, -178.447° | 575.7 km | - | - | - | ✓ Reviewed | USGS → |
At 21:51 UTC on June 28, 2020, a magnitude 4.7 tremor occurred in the Fiji region. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 21:43:57 UTC | 3.7md | 5 km SW of Guánica, Puerto Rico 17.946°, -66.948° | 12.0 km | 26 | III | green | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.7 earthquake 5 km SW of Guánica, Puerto Rico at 21:43 UTC on June 28, 2020. It arrived roughly 15 hours after a larger magnitude 4.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 21:23:57 UTC | 2.6md | 7 km WSW of Guánica, Puerto Rico 17.951°, -66.973° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020 at 21:23 UTC, a magnitude 2.6 earthquake struck 7 km WSW of Guánica, Puerto Rico. This event falls inside the aftershock decay of a nearby magnitude 4.8 earthquake that occurred about 15 hours earlier. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 20:16:54 UTC | 4.5mb | 53 km WSW of Villa Basilio Nievas, Argentina -31.795°, -69.217° | 115.5 km | - | - | - | ✓ Reviewed | USGS → |
On June 28, 2020, worldwide seismic activity registered a magnitude 4.5 earthquake 53 km WSW of Villa Basilio Nievas, Argentina at 20:16 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-28 2020-06-28 20:08:51 UTC | 2.1ml | 8 km E of P?hala, Hawaii 19.197°, -155.394° | 31.8 km | - | - | - | Auto | USGS → |
A magnitude 2.1 earthquake was recorded 8 km E of P?hala, Hawaii on June 28, 2020 at 20:08 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.1 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 June 28, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.