Earthquakes on June 23, 2020
Magnitude Breakdown
Activity Summary
Geographic Breakdown
By US State
Significant Earthquakes (M4.5+)
9 km SE of Santa María Xadani, Mexico
15:29 UTC · 20.0 km deep
Felt by 643
97 km SE of Gorontalo, Indonesia
07:43 UTC · 109.0 km deep
Felt by 1
91 km NE of Yigo Village, Guam
17:50 UTC · 65.4 km deep
Felt by 32
South Sandwich Islands region
19:08 UTC · 44.1 km deep
16 km S of El Coyul, Mexico
18:27 UTC · 10.0 km deep
Felt by 3
84 km SSW of Kokopo, Papua New Guinea
15:29 UTC · 89.0 km deep
10 km SSE of Asunción Tlacolulita, Mexico
01:17 UTC · 35.0 km deep
Felt by 11
Kermadec Islands, New Zealand
21:23 UTC · 10.0 km deep
Earthquake Map — June 23, 2020

All Earthquakes — June 23, 2020
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-06-23 2020-06-23 23:52:50 UTC | 2.3md | 7 km SSE of Guánica, Puerto Rico 17.905°, -66.885° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.3 earthquake 7 km SSE of Guánica, Puerto Rico with origin time 23:52 UTC on June 23, 2020. Coming 1 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 23:27:26 UTC | 3.3md | 3 km SW of Guánica, Puerto Rico 17.949°, -66.937° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 23, 2020, worldwide seismic activity registered a magnitude 3.3 earthquake 3 km SW of Guánica, Puerto Rico at 23:27 UTC. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 23:22:13 UTC | 2.6ml | 29 km SSE of Mina, Nevada 38.153°, -117.959° | 9.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 29 km SSE of Mina, Nevada on June 23, 2020 at 23:22 UTC. Coming 8 hours after a magnitude 3.0 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. | ||||||||
2020-06-23 2020-06-23 23:21:29 UTC | 2.8ml | 15 km S of Fern Forest, Hawaii 19.327°, -155.112° | 0.5 km | - | - | - | ✓ Reviewed | USGS → |
June 23, 2020 brought a magnitude 2.8 earthquake 15 km S of Fern Forest, Hawaii, logged at 23:21 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. | ||||||||
2020-06-23 2020-06-23 23:20:35 UTC | 2.3ml | 35 km SE of Mina, Nevada 38.166°, -117.824° | 11.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 35 km SE of Mina, Nevada at 23:20 UTC on June 23, 2020. Coming 8 hours after a magnitude 3.0 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. | ||||||||
2020-06-23 2020-06-23 23:06:54 UTC | 3.4md | 75 km N of Isabela, Puerto Rico 19.179°, -67.032° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 75 km N of Isabela, Puerto Rico on June 23, 2020 at 23:06 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.6 earthquake that occurred about 3 hours earlier. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 22:56:36 UTC | 4.4mb | south of the Kermadec Islands -33.906°, -179.120° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake south of the Kermadec Islands at 22:56 UTC on June 23, 2020. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 22:44:59 UTC | 2.0md | 9 km E of P?hala, Hawaii 19.202°, -155.390° | 31.9 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.0 earthquake 9 km E of P?hala, Hawaii at 22:44 UTC on June 23, 2020. It arrived roughly 1 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. | ||||||||
2020-06-23 2020-06-23 22:38:08 UTC | 4.6mb | south of the Kermadec Islands -33.550°, -178.395° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.6 earthquake was recorded south of the Kermadec Islands on June 23, 2020 at 22:38 UTC. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 22:22:41 UTC | 4.5mb | south of the Kermadec Islands -33.262°, -177.897° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
June 23, 2020 brought a magnitude 4.5 earthquake south of the Kermadec Islands, logged at 22:22 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 22:21:44 UTC | 2.1ml | 56 km S of Chignik, Alaska 55.800°, -158.229° | 38.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 56 km S of Chignik, Alaska came in on June 23, 2020 at 22:21 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:59:10 UTC | 2.8ml | 159 km SSE of Old Harbor, Alaska 55.937°, -152.090° | 9.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 159 km SSE of Old Harbor, Alaska on June 23, 2020 at 21:59 UTC. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:49:40 UTC | 2.5ml | 20 km NW of Stanley, Idaho 44.327°, -115.149° | 10.0 km | 2 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.5 earthquake 20 km NW of Stanley, Idaho at 21:49 UTC on June 23, 2020. It arrived roughly 16 hours after a larger magnitude 3.0 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:27:46 UTC | 4.2mb | 8 km SSW of Puerto Ángel, Mexico 15.594°, -96.522° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:27 UTC on June 23, 2020, a magnitude 4.2 tremor occurred 8 km SSW of Puerto Ángel, Mexico. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:24:36 UTC | 4.4mb | 94 km ESE of Copiapó, Chile -27.573°, -69.403° | 113.3 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 94 km ESE of Copiapó, Chile on June 23, 2020, with origin time 21:24 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:23:46 UTC | 4.8mb | Kermadec Islands, New Zealand -30.934°, -177.234° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.8 earthquake near Kermadec Islands, New Zealand came in on June 23, 2020 at 21:23 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:18:54 UTC | 2.3ml | 9 km E of P?hala, Hawaii 19.213°, -155.389° | 29.3 km | - | - | - | Auto | USGS → |
June 23, 2020 brought a magnitude 2.3 earthquake 9 km E of P?hala, Hawaii, logged at 21:18 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:18:14 UTC | 4.4mb | South Sandwich Islands region -57.285°, -25.399° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake in the South Sandwich Islands region came in on June 23, 2020 at 21:18 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:17:47 UTC | 3.1md | 4 km SSE of Guánica, Puerto Rico 17.937°, -66.889° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.1 earthquake 4 km SSE of Guánica, Puerto Rico at 21:17 UTC on June 23, 2020. It arrived roughly 6 hours after a larger magnitude 3.2 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:14:59 UTC | 2.2md | 6 km WSW of Guánica, Puerto Rico 17.949°, -66.968° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.2 earthquake 6 km WSW of Guánica, Puerto Rico with origin time 21:14 UTC on June 23, 2020. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 5 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:14:58 UTC | 4.4mb | south of the Kermadec Islands -33.560°, -179.025° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 seismic event took place south of the Kermadec Islands on June 23, 2020 at 21:14 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 21:02:48 UTC | 2.1ml | 28 km SSE of Mina, Nevada 38.140°, -118.039° | 3.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 28 km SSE of Mina, Nevada on June 23, 2020 at 21:02 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 5 hours earlier. 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. | ||||||||
2020-06-23 2020-06-23 20:58:55 UTC | 2.9ml | 89 km SSE of Nikolski, Alaska 52.177°, -168.438° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 23, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 89 km SSE of Nikolski, Alaska at 20:58 UTC. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 20:54:31 UTC | 4.6mb | 15 km E of Crucecita, Mexico 15.744°, -95.990° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.6 earthquake 15 km E of Crucecita, Mexico with origin time 20:54 UTC on June 23, 2020. It arrived roughly 5 hours after a larger magnitude 7.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 20:49:19 UTC | 2.5ml | 53 km WNW of Dugway, Utah 40.484°, -113.273° | 11.3 km | - | - | - | ✓ Reviewed | USGS → |
At 20:49 UTC on June 23, 2020, a magnitude 2.5 tremor occurred 53 km WNW of Dugway, Utah. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 20:47:55 UTC | 2.3ml | 17 km NW of Stanley, Idaho 44.306°, -115.120° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 23, 2020 at 20:47 UTC, a magnitude 2.3 earthquake struck 17 km NW of Stanley, Idaho. This event falls inside the aftershock decay of a nearby magnitude 3.0 earthquake that occurred about 14 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 20:34:02 UTC | 4.6md | 80 km N of Isabela, Puerto Rico 19.229°, -67.069° | 9.0 km | 99 | - | - | ✓ Reviewed | USGS → |
On June 23, 2020 at 20:34 UTC, a magnitude 4.6 earthquake struck 80 km N of Isabela, Puerto Rico. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 20:19:18 UTC | 3.8mb | 50 km WNW of La Ligua, Chile -32.259°, -71.716° | 35.4 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 50 km WNW of La Ligua, Chile with origin time 20:19 UTC on June 23, 2020. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 19:28:22 UTC | 4.4mb | southeast of the Loyalty Islands -21.295°, 169.072° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
June 23, 2020 brought a magnitude 4.4 earthquake southeast of the Loyalty Islands, logged at 19:28 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-23 2020-06-23 19:23:52 UTC | 2.5md | 4 km WSW of La Parguera, Puerto Rico 17.957°, -67.088° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
June 23, 2020 brought a magnitude 2.5 earthquake 4 km WSW of La Parguera, Puerto Rico, logged at 19:23 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 4 hours earlier. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
About This Page
This page shows all earthquakes recorded by the USGS Earthquake Hazards Program during the 24-hour UTC period on June 23, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.