Earthquakes on June 18, 2021

321
EARTHQUAKES on June 18, 2021
24-hour UTC period · USGS data
8 km deep · 1 person felt it
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
1
M4.0–4.9
40
M3.0–3.9
23
M2.0–2.9
56
M1.0–1.9
201

Activity Summary

321
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events

Geographic Breakdown

Earthquake Map — June 18, 2021

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — June 18, 2021

Showing 30 of 120 (filtered from 321)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time ↓Mag ↕Location ↕Depth ↕Felt ↕MMIAlertStatusDetails
2021-06-18
2021-06-18 23:45:19 UTC
2.7ml
76 km W of Adak, Alaska
51.754°, -177.724°
109.5 km---✓ ReviewedUSGS →
On June 18, 2021, worldwide seismic activity registered a magnitude 2.7 earthquake 76 km W of Adak, Alaska at 23:45 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 23:11:42 UTC
2.9ml
217 km W of Pistol River, Oregon
41.999°, -126.998°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.9 earthquake 217 km W of Pistol River, Oregon at 23:11 UTC on June 18, 2021. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 23:08:39 UTC
2.0md
4 km E of P?hala, Hawaii
19.196°, -155.439°
35.8 km---AutoUSGS →
On June 18, 2021 at 23:08 UTC, a magnitude 2.0 earthquake struck 4 km E of P?hala, Hawaii. Coming 21 hours after a magnitude 4.5 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 23:04:49 UTC
2.1ml
4 km E of P?hala, Hawaii
19.209°, -155.437°
37.7 km---AutoUSGS →
A magnitude 2.1 earthquake was recorded 4 km E of P?hala, Hawaii on June 18, 2021 at 23:04 UTC. Coming 21 hours after a magnitude 4.5 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.
2021-06-18
2021-06-18 23:04:43 UTC
4.5mb
Fiji region
-18.973°, -177.517°
604.7 km---✓ ReviewedUSGS →
June 18, 2021 brought a magnitude 4.5 earthquake in the Fiji region, logged at 23:04 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 23:00:02 UTC
3.0ml
80 km SSE of Akutan, Alaska
53.456°, -165.333°
35.0 km---✓ ReviewedUSGS →
A magnitude 3.0 earthquake was recorded 80 km SSE of Akutan, Alaska on June 18, 2021 at 23:00 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 22:57:34 UTC
4.1mb
Fiji region
-18.911°, -177.864°
611.4 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.1 earthquake in the Fiji region with origin time 22:57 UTC on June 18, 2021. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 22:53:44 UTC
2.4md
7km NW of The Geysers, CA
38.822°, -122.812°
2.3 km---✓ ReviewedUSGS →
A magnitude 2.4 seismic event took place 7km NW of The Geysers, CA on June 18, 2021 at 22:53 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 22:48:15 UTC
2.5md
7km ESE of Willits, CA
39.393°, -123.272°
6.7 km---✓ ReviewedUSGS →
On June 18, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 7km ESE of Willits, CA at 22:48 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 22:39:13 UTC
4.9mb
1 km ENE of ?zu, Japan
33.505°, 132.565°
41.9 km4--✓ ReviewedUSGS →
A magnitude 4.9 earthquake was recorded 1 km ENE of ?zu, Japan on June 18, 2021 at 22:39 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 22:07:59 UTC
2.4md
3km W of Cobb, CA
38.821°, -122.761°
1.8 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.4 earthquake 3km W of Cobb, CA at 22:07 UTC on June 18, 2021. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 21:47:16 UTC
4.6mb
Volcano Islands, Japan region
25.766°, 141.806°
66.6 km1--✓ ReviewedUSGS →
At 21:47 UTC on June 18, 2021, a magnitude 4.6 tremor occurred in the Volcano Islands, Japan region. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 21:44:24 UTC
2.7ml
42 km NNW of Stanley, Idaho
44.542°, -115.223°
10.0 km---✓ ReviewedUSGS →
At 21:44 UTC on June 18, 2021, a magnitude 2.7 tremor occurred 42 km NNW of Stanley, Idaho. Coming 1 hours after a magnitude 3.7 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.
2021-06-18
2021-06-18 21:16:54 UTC
2.0md
3 km SE of San Germán, Puerto Rico
18.063°, -67.024°
22.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.0 earthquake 3 km SE of San Germán, Puerto Rico came in on June 18, 2021 at 21:16 UTC. Coming 18 hours after a magnitude 3.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 21:15:28 UTC
4.5mb
5 km SE of Osias, Philippines
7.568°, 124.850°
10.0 km1--✓ ReviewedUSGS →
On June 18, 2021 at 21:15 UTC, a magnitude 4.5 earthquake struck 5 km SE of Osias, Philippines. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 21:04:11 UTC
3.1ml
43 km NW of Stanley, Idaho
44.539°, -115.254°
10.0 km1--✓ ReviewedUSGS →
Reports of a magnitude 3.1 earthquake 43 km NW of Stanley, Idaho came in on June 18, 2021 at 21:04 UTC. It arrived roughly 1 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 M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 21:01:37 UTC
2.1ml
42 km NNW of Stanley, Idaho
44.541°, -115.229°
4.9 km---✓ ReviewedUSGS →
A magnitude 2.1 seismic event took place 42 km NNW of Stanley, Idaho on June 18, 2021 at 21:01 UTC. Coming 1 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 M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 20:50:18 UTC
4.3mb
Banda Sea
-6.806°, 129.893°
109.3 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 4.3 earthquake near Banda Sea with origin time 20:50 UTC on June 18, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 20:49:35 UTC
3.7mwr
44 km NNW of Stanley, Idaho
44.561°, -115.228°
10.0 km4III-✓ ReviewedUSGS →
This magnitude 3.7 event was detected 44 km NNW of Stanley, Idaho on June 18, 2021, with origin time 20:49 UTC. In the 72 hours after this event, the USGS recorded 7 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 20:48:01 UTC
3.4mb
105 km SSE of Sand Point, Alaska
54.538°, -159.604°
26.1 km---✓ ReviewedUSGS →
A magnitude 3.4 earthquake was recorded 105 km SSE of Sand Point, Alaska on June 18, 2021 at 20:48 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 20:24:15 UTC
4.3mb
11 km SW of Piedecuesta, Colombia
6.906°, -73.108°
146.4 km---✓ ReviewedUSGS →
On June 18, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 11 km SW of Piedecuesta, Colombia at 20:24 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 20:00:06 UTC
3.6ml
141 km NNW of The Valley, Anguilla
19.451°, -63.394°
10.0 km---✓ ReviewedUSGS →
Reports of a magnitude 3.6 earthquake 141 km NNW of The Valley, Anguilla came in on June 18, 2021 at 20:00 UTC. Coming 2 hours after a magnitude 4.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 19:48:39 UTC
3.9ml
169 km ENE of Ponce Inlet, Florida
29.743°, -79.349°
0.0 km14--✓ ReviewedUSGS →
On June 18, 2021, worldwide seismic activity registered a magnitude 3.9 earthquake 169 km ENE of Ponce Inlet, Florida at 19:48 UTC. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 19:44:30 UTC
2.2ml
112 km SSE of Sand Point, Alaska
54.437°, -159.708°
42.7 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.2 earthquake 112 km SSE of Sand Point, Alaska at 19:44 UTC on June 18, 2021. Coming 7 hours after a magnitude 2.8 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.
2021-06-18
2021-06-18 19:37:32 UTC
4.5mb
4 km NNW of Dhekiajuli, India
26.736°, 92.458°
42.1 km4--✓ ReviewedUSGS →
A magnitude 4.5 earthquake was recorded 4 km NNW of Dhekiajuli, India on June 18, 2021 at 19:37 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 19:19:21 UTC
4.3mb
122 km SSW of Jatiroto, Indonesia
-8.971°, 110.895°
57.0 km---✓ ReviewedUSGS →
At 19:19 UTC on June 18, 2021, a magnitude 4.3 tremor occurred 122 km SSW of Jatiroto, Indonesia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 18:43:34 UTC
2.4ml
3 km SE of Meno, Oklahoma
36.363°, -98.151°
6.5 km---✓ ReviewedUSGS →
On June 18, 2021 at 18:43 UTC, a magnitude 2.4 earthquake struck 3 km SE of Meno, Oklahoma. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 18:41:36 UTC
2.6ml
217 km ESE of Atka, Alaska
51.228°, -171.470°
10.0 km---✓ ReviewedUSGS →
Reports of a magnitude 2.6 earthquake 217 km ESE of Atka, Alaska came in on June 18, 2021 at 18:41 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 18:40:57 UTC
4.3mb
4 km WSW of Dunguan, Philippines
6.938°, 124.818°
10.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.3 earthquake 4 km WSW of Dunguan, Philippines at 18:40 UTC on June 18, 2021. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2021-06-18
2021-06-18 18:33:39 UTC
4.3mb
89 km WSW of San Antonio, Chile
-33.895°, -72.504°
10.1 km1--✓ ReviewedUSGS →
This magnitude 4.3 event was detected 89 km WSW of San Antonio, Chile on June 18, 2021, with origin time 18:33 UTC. See the M4.3 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, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.