Earthquakes on June 20, 2020
474
EARTHQUAKES on June 20, 2020
24-hour UTC period · USGS data
10 km deep · 5 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
6
M4.0–4.9
46
M3.0–3.9
12
M2.0–2.9
82
M1.0–1.9
328
Activity Summary
474
Total earthquakes
~250
Daily average
Elevated
Activity level
6
M5.0+ events
Geographic Breakdown
Top Countries (International)
Significant Earthquakes (M4.5+)
5.7
15 km N of Siglufjörður, Iceland
19:26 UTC · 10.0 km deep
Felt by 5
5.4
173 km SSW of Gizo, Solomon Islands
15:45 UTC · 7.9 km deep
5.4
15 km NE of Siglufjörður, Iceland
15:05 UTC · 10.0 km deep
Felt by 2
5.4
123 km ESE of Hihifo, Tonga
01:57 UTC · 10.0 km deep
5.0
South Sandwich Islands region
23:04 UTC · 35.0 km deep
5.0
264 km NNW of Saipan, Northern Mariana Islands
11:57 UTC · 12.6 km deep
4.9
south of the Kermadec Islands
23:28 UTC · 10.0 km deep
4.9
central Mid-Atlantic Ridge
15:31 UTC · 10.0 km deep
Earthquake Map — June 20, 2020

All Earthquakes — June 20, 2020
Showing 30 of 146 (filtered from 474)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-06-20 2020-06-20 23:55:51 UTC | 4.5mb | 237 km E of Levuka, Fiji -18.027°, -178.438° | 588.9 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 4.5 earthquake 237 km E of Levuka, Fiji, logged at 23:55 UTC. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:43:25 UTC | 4.8mb | south of the Kermadec Islands -33.722°, -178.236° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.8 seismic event took place south of the Kermadec Islands on June 20, 2020 at 23:43 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:33:21 UTC | 2.3md | 1 km SW of Indios, Puerto Rico 17.982°, -66.831° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2020, worldwide seismic activity registered a magnitude 2.3 earthquake 1 km SW of Indios, Puerto Rico at 23:33 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 12 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:32:46 UTC | 4.2mb | south of the Kermadec Islands -33.770°, -178.264° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake south of the Kermadec Islands with origin time 23:32 UTC on June 20, 2020. It arrived roughly 1 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:28:46 UTC | 4.9mb | south of the Kermadec Islands -33.883°, -178.117° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.9 event was detected south of the Kermadec Islands on June 20, 2020, with origin time 23:28 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:20:54 UTC | 2.3ml | 11km ESE of Olancha, CA 36.231°, -117.894° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
At 23:20 UTC on June 20, 2020, a magnitude 2.3 tremor occurred 11km ESE of Olancha, CA. 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. | ||||||||
2020-06-20 2020-06-20 23:10:31 UTC | 2.8md | 17 km S of Indios, Puerto Rico 17.841°, -66.794° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 2.8 earthquake 17 km S of Indios, Puerto Rico, logged at 23:10 UTC. It arrived roughly 12 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 23:04:56 UTC | 5.0mb | South Sandwich Islands region -59.756°, -26.107° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
At 23:04 UTC on June 20, 2020, a magnitude 5.0 tremor occurred in the South Sandwich Islands region. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:51:48 UTC | 2.2ml | 11 km NNE of Stanley, Idaho 44.320°, -114.892° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 11 km NNE of Stanley, Idaho on June 20, 2020 at 22:51 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 15 hours earlier. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:51:25 UTC | 4.1mb | 85 km SE of Kushiro, Japan 42.423°, 145.097° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 85 km SE of Kushiro, Japan on June 20, 2020 at 22:51 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:38:07 UTC | 3.1ml | 7 km SSE of Big Lake, Alaska 61.456°, -149.911° | 35.8 km | 18 | II | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 7 km SSE of Big Lake, Alaska with origin time 22:38 UTC on June 20, 2020. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:34:43 UTC | 3.0ml | 24 km NNE of Four Mile Road, Alaska 64.812°, -148.970° | 17.6 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2020, worldwide seismic activity registered a magnitude 3.0 earthquake 24 km NNE of Four Mile Road, Alaska at 22:34 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:08:08 UTC | 3.8mb | 188 km WSW of Adak, Alaska 51.157°, -179.102° | 38.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.8 earthquake 188 km WSW of Adak, Alaska with origin time 22:08 UTC on June 20, 2020. See the M3.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 22:06:10 UTC | 4.4mb | south of the Kermadec Islands -33.932°, -178.694° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2020 at 22:06 UTC, a magnitude 4.4 earthquake struck south of the Kermadec Islands. It arrived roughly 4 hours after a larger magnitude 4.5 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:54:59 UTC | 2.2ml | 35 km SE of Mina, Nevada 38.174°, -117.817° | 5.3 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 2.2 earthquake 35 km SE of Mina, Nevada, logged at 21:54 UTC. Coming 18 hours after a magnitude 4.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:51:24 UTC | 2.8md | 30km SE of Bodie, CA 38.044°, -118.749° | -0.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.8 earthquake was recorded 30km SE of Bodie, CA on June 20, 2020 at 21:51 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. | ||||||||
2020-06-20 2020-06-20 21:48:20 UTC | 4.5mb | south of the Kermadec Islands -33.355°, -178.361° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2020 at 21:48 UTC, a magnitude 4.5 earthquake struck south of the Kermadec Islands. Coming 1 hours after a magnitude 4.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:43:31 UTC | 4.3mb | south of the Kermadec Islands -33.216°, -178.379° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 4.3 earthquake south of the Kermadec Islands, logged at 21:43 UTC. It arrived roughly 1 hours after a larger magnitude 4.6 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:29:53 UTC | 4.8mb | 164 km NNW of Sola, Vanuatu -12.580°, 166.809° | 134.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 4.8 earthquake 164 km NNW of Sola, Vanuatu, logged at 21:29 UTC. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:28:21 UTC | 2.3md | 5 km SW of Guánica, Puerto Rico 17.944°, -66.947° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:28 UTC on June 20, 2020, a magnitude 2.3 tremor occurred 5 km SW of Guánica, Puerto Rico. It arrived roughly 10 hours after a larger magnitude 2.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:13:56 UTC | 4.6mb | south of the Kermadec Islands -33.314°, -178.279° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 21:13 UTC on June 20, 2020, a magnitude 4.6 tremor occurred south of the Kermadec Islands. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 21:10:09 UTC | 4.6mb | south of the Kermadec Islands -33.179°, -178.195° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake south of the Kermadec Islands at 21:10 UTC on June 20, 2020. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 20:41:40 UTC | 2.2ml | 1 km SE of P?hala, Hawaii 19.190°, -155.469° | 0.7 km | - | - | - | Auto | USGS → |
On June 20, 2020 at 20:41 UTC, a magnitude 2.2 earthquake struck 1 km SE of P?hala, Hawaii. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 20:31:01 UTC | 3.6mb | 132 km SSE of Sand Point, Alaska 54.255°, -159.646° | 32.9 km | - | - | - | ✓ Reviewed | USGS → |
On June 20, 2020, worldwide seismic activity registered a magnitude 3.6 earthquake 132 km SSE of Sand Point, Alaska at 20:31 UTC. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 20:26:02 UTC | 2.5md | 5 km WSW of Guánica, Puerto Rico 17.950°, -66.951° | 13.0 km | - | - | - | ✓ Reviewed | USGS → |
At 20:26 UTC on June 20, 2020, a magnitude 2.5 tremor occurred 5 km WSW of Guánica, Puerto Rico. It arrived roughly 9 hours after a larger magnitude 2.9 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. | ||||||||
2020-06-20 2020-06-20 20:11:15 UTC | 4.5mb | 22 km NE of Siglufjörður, Iceland 66.295°, -18.553° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded 22 km NE of Siglufjörður, Iceland on June 20, 2020 at 20:11 UTC. It arrived roughly 1 hours after a larger magnitude 5.7 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 19:55:35 UTC | 2.3ml | 29 km SSE of Mina, Nevada 38.148°, -117.973° | 8.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 29 km SSE of Mina, Nevada at 19:55 UTC on June 20, 2020. It arrived roughly 16 hours after a larger magnitude 4.2 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. | ||||||||
2020-06-20 2020-06-20 19:39:27 UTC | 2.7md | 17km NW of Parkfield, CA 36.002°, -120.567° | 4.5 km | 1 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.7 earthquake 17km NW of Parkfield, CA with origin time 19:39 UTC on June 20, 2020. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 19:26:21 UTC | 5.7mww | 15 km N of Siglufjörður, Iceland 66.287°, -18.893° | 10.0 km | 5 | VI | green | ✓ Reviewed | USGS → |
On June 20, 2020 at 19:26 UTC, a magnitude 5.7 earthquake struck 15 km N of Siglufjörður, Iceland. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. It is the largest earthquake currently listed for worldwide seismic activity on June 20, 2020. See the M5.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-20 2020-06-20 18:55:22 UTC | 3.2ml | 22 km ESE of Wright, Wyoming 43.644°, -105.254° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
June 20, 2020 brought a magnitude 3.2 earthquake 22 km ESE of Wright, Wyoming, logged at 18:55 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. | ||||||||
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 20, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.