Earthquakes on June 18, 2020
390
EARTHQUAKES on June 18, 2020
24-hour UTC period · USGS data
LARGEST: M7.4 — south of the Kermadec Islands
10 km deep · 47 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
10
M4.0–4.9
56
M3.0–3.9
12
M2.0–2.9
88
M1.0–1.9
224
Activity Summary
390
Total earthquakes
~250
Daily average
Elevated
Activity level
10
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
7.4
south of the Kermadec Islands
12:49 UTC · 10.0 km deep
Felt by 47
5.5
south of the Kermadec Islands
16:11 UTC · 10.0 km deep
5.5
south of the Kermadec Islands
15:06 UTC · 10.0 km deep
5.3
south of the Kermadec Islands
19:11 UTC · 10.0 km deep
5.3
62 km NNE of Yonakuni, Japan
16:43 UTC · 10.0 km deep
Felt by 1
5.2
south of the Kermadec Islands
19:34 UTC · 10.0 km deep
5.2
southern Mid-Atlantic Ridge
15:20 UTC · 10.0 km deep
5.1
134 km SE of Pangai, Tonga
11:43 UTC · 10.0 km deep
Earthquake Map — June 18, 2020
All Earthquakes — June 18, 2020
Showing 30 of 166 (filtered from 390)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2020-06-18 2020-06-18 22:58:46 UTC | 2.8md | 2 km SW of Fuig, Puerto Rico 17.971°, -66.938° | 15.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:58 UTC on June 18, 2020, a magnitude 2.8 tremor occurred 2 km SW of Fuig, Puerto Rico. It arrived roughly 16 hours after a larger magnitude 3.7 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. | ||||||||
2020-06-18 2020-06-18 22:35:37 UTC | 2.4md | 7 km SSE of Guánica, Puerto Rico 17.909°, -66.876° | 14.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.4 earthquake 7 km SSE of Guánica, Puerto Rico with origin time 22:35 UTC on June 18, 2020. Coming 16 hours after a magnitude 3.7 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. | ||||||||
2020-06-18 2020-06-18 22:30:06 UTC | 2.5ml | 28 km SSW of Denali National Park, Alaska 63.293°, -151.885° | 9.1 km | - | - | - | ✓ Reviewed | USGS → |
June 18, 2020 brought a magnitude 2.5 earthquake 28 km SSW of Denali National Park, Alaska, logged at 22:30 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 22:25:12 UTC | 4.7mb | 9 km S of Hirara, Japan 24.715°, 125.307° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.7 seismic event took place 9 km S of Hirara, Japan on June 18, 2020 at 22:25 UTC. The event was offshore. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 21:55:23 UTC | 2.1ml | 15 km SE of Lincoln, Montana 46.875°, -112.516° | 14.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.1 earthquake 15 km SE of Lincoln, Montana at 21:55 UTC on June 18, 2020. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 21:54:45 UTC | 2.3md | 6 km S of Indios, Puerto Rico 17.934°, -66.828° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 6 km S of Indios, Puerto Rico on June 18, 2020, with origin time 21:54 UTC. It arrived roughly 15 hours after a larger magnitude 3.7 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. | ||||||||
2020-06-18 2020-06-18 21:37:17 UTC | 2.8ml | 23km N of Ridgecrest, CA 35.829°, -117.654° | 7.1 km | 1 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.8 earthquake 23km N of Ridgecrest, CA came in on June 18, 2020 at 21:37 UTC. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 21:32:07 UTC | 2.9md | 9 km SSE of Maria Antonia, Puerto Rico 17.909°, -66.843° | 11.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 9 km SSE of Maria Antonia, Puerto Rico on June 18, 2020 at 21:32 UTC. It arrived roughly 15 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 21:24:51 UTC | 2.9md | 10 km SSW of Tallaboa, Puerto Rico 17.907°, -66.761° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2020, worldwide seismic activity registered a magnitude 2.9 earthquake 10 km SSW of Tallaboa, Puerto Rico at 21:24 UTC. Coming 15 hours after a magnitude 3.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 20:38:43 UTC | 4.2ml | 7 km SE of Girdwood, Alaska 60.887°, -149.086° | 28.2 km | 865 | III | green | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 7 km SE of Girdwood, Alaska on June 18, 2020 at 20:38 UTC. A tsunami evaluation was automatically initiated given the magnitude and location. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 20:27:54 UTC | 2.5ml | 162 km S of False Pass, Alaska 53.396°, -163.589° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2020 at 20:27 UTC, a magnitude 2.5 earthquake struck 162 km S of False Pass, Alaska. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 20:21:15 UTC | 4.4mb | 214 km E of Levuka, Fiji -17.710°, -178.690° | 550.2 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 214 km E of Levuka, Fiji on June 18, 2020, with origin time 20:21 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 20:08:51 UTC | 4.3mb | south of the Kermadec Islands -33.209°, -177.950° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded south of the Kermadec Islands on June 18, 2020 at 20:08 UTC. Coming 7 hours after a magnitude 7.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 20:06:16 UTC | 4.3mb | south of the Kermadec Islands -33.358°, -178.536° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.3 earthquake south of the Kermadec Islands with origin time 20:06 UTC on June 18, 2020. It arrived roughly 1 hours after a larger magnitude 5.2 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. | ||||||||
2020-06-18 2020-06-18 19:50:12 UTC | 4.2mb | south of the Kermadec Islands -33.847°, -178.223° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.2 earthquake south of the Kermadec Islands with origin time 19:50 UTC on June 18, 2020. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 7 hours earlier. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:43:03 UTC | 4.3mb | south of the Kermadec Islands -32.445°, -177.848° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2020, worldwide seismic activity registered a magnitude 4.3 earthquake south of the Kermadec Islands at 19:43 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:40:59 UTC | 2.2md | 1 km SE of P?hala, Hawaii 19.193°, -155.464° | 35.3 km | - | - | - | Auto | USGS → |
Seismographs logged a magnitude 2.2 earthquake 1 km SE of P?hala, Hawaii with origin time 19:40 UTC on June 18, 2020. This event falls inside the aftershock decay of a nearby magnitude 2.6 earthquake that occurred about 18 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:34:15 UTC | 5.2mb | south of the Kermadec Islands -33.432°, -178.618° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.2 earthquake south of the Kermadec Islands at 19:34 UTC on June 18, 2020. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:32:52 UTC | 4.5mb | south of the Kermadec Islands -32.906°, -178.335° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place south of the Kermadec Islands on June 18, 2020 at 19:32 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.7 earthquake that occurred about 4 hours earlier. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:26:33 UTC | 4.4mb | south of the Kermadec Islands -33.436°, -177.910° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake south of the Kermadec Islands came in on June 18, 2020 at 19:26 UTC. This event falls inside the aftershock decay of a nearby magnitude 7.4 earthquake that occurred about 7 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:24:18 UTC | 2.6ml | Andreanof Islands, Aleutian Islands, Alaska 51.184°, -177.775° | 35.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.6 earthquake near Andreanof Islands, Aleutian Islands, Alaska with origin time 19:24 UTC on June 18, 2020. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:23:33 UTC | 4.2mb | south of the Kermadec Islands -33.393°, -177.990° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 18, 2020, worldwide seismic activity registered a magnitude 4.2 earthquake south of the Kermadec Islands at 19:23 UTC. Coming 7 hours after a magnitude 7.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:20:15 UTC | 4.6mb | south of the Kermadec Islands -33.431°, -178.061° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake south of the Kermadec Islands at 19:20 UTC on June 18, 2020. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 1 hours earlier. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:14:36 UTC | 2.2md | 3km SSW of Anderson Springs, CA 38.754°, -122.708° | 1.7 km | - | - | - | ✓ Reviewed | USGS → |
At 19:14 UTC on June 18, 2020, a magnitude 2.2 tremor occurred 3km SSW of Anderson Springs, CA. Coming 1 hours after a magnitude 2.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. 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. | ||||||||
2020-06-18 2020-06-18 19:14:27 UTC | 2.6md | 3km SSW of Anderson Springs, CA 38.754°, -122.706° | 1.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 3km SSW of Anderson Springs, CA on June 18, 2020 at 19:14 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:11:52 UTC | 5.3mb | south of the Kermadec Islands -33.411°, -178.012° | 10.0 km | - | - | green | ✓ Reviewed | USGS → |
On June 18, 2020, worldwide seismic activity registered a magnitude 5.3 earthquake south of the Kermadec Islands at 19:11 UTC. It arrived roughly 6 hours after a larger magnitude 7.4 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 M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:07:49 UTC | 4.5mb | south of the Kermadec Islands -33.588°, -178.538° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
June 18, 2020 brought a magnitude 4.5 earthquake south of the Kermadec Islands, logged at 19:07 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 19:05:56 UTC | 2.5md | 11 km SSW of Tallaboa, Puerto Rico 17.893°, -66.753° | 4.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 11 km SSW of Tallaboa, Puerto Rico on June 18, 2020 at 19:05 UTC. It arrived roughly 12 hours after a larger magnitude 3.7 mainshock in the same 20 km area, placing it within the typical aftershock window. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 18:47:01 UTC | 2.7ml | 53 km E of Adak, Alaska 51.919°, -175.861° | 128.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.7 seismic event took place 53 km E of Adak, Alaska on June 18, 2020 at 18:47 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2020-06-18 2020-06-18 18:38:13 UTC | 3.0ml | 9 km WNW of Prague, Oklahoma 35.520°, -96.785° | 7.0 km | 6 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 9 km WNW of Prague, Oklahoma came in on June 18, 2020 at 18:38 UTC. 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 June 18, 2020. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.