Earthquakes on June 30, 2021
259
EARTHQUAKES on June 30, 2021
24-hour UTC period · USGS data
LARGEST: M5.3 — Easter Island region
10 km deep
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
33
M3.0–3.9
13
M2.0–2.9
61
M1.0–1.9
151
Activity Summary
259
Total earthquakes
~250
Daily average
Normal
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.3
Easter Island region
15:07 UTC · 10.0 km deep
4.9
Easter Island region
19:52 UTC · 10.0 km deep
4.9
90 km W of Abra Pampa, Argentina
13:14 UTC · 214.9 km deep
Felt by 2
4.7
southeast of the Loyalty Islands
20:16 UTC · 10.0 km deep
4.6
22 km SE of Socorro, Philippines
09:58 UTC · 36.1 km deep
4.6
67 km NW of Isangel, Vanuatu
05:42 UTC · 77.2 km deep
4.6
181 km N of Likisá, Timor Leste
03:04 UTC · 493.7 km deep
4.6
125 km ESE of Atka, Alaska
02:57 UTC · 20.9 km deep
Earthquake Map — June 30, 2021
All Earthquakes — June 30, 2021
Showing 30 of 108 (filtered from 259)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-06-30 2021-06-30 23:41:07 UTC | 2.9md | 9 km S of Ponce, Puerto Rico 17.929°, -66.612° | 3.0 km | 1 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 earthquake was recorded 9 km S of Ponce, Puerto Rico on June 30, 2021 at 23:41 UTC. It arrived roughly 4 hours after a larger magnitude 3.2 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 23:17:23 UTC | 2.6md | 22 km WNW of Puerto Real, Puerto Rico 18.158°, -67.385° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2021, worldwide seismic activity registered a magnitude 2.6 earthquake 22 km WNW of Puerto Real, Puerto Rico at 23:17 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 23:13:53 UTC | 3.4ml | 24 km S of Carlin, Nevada 40.494°, -116.056° | 12.2 km | 3 | III | - | ✓ Reviewed | USGS → |
This magnitude 3.4 event was detected 24 km S of Carlin, Nevada on June 30, 2021, with origin time 23:13 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:42:53 UTC | 3.0ml | 7 km SW of Colstrip, Montana 45.841°, -106.690° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:42 UTC on June 30, 2021, a magnitude 3.0 tremor occurred 7 km SW of Colstrip, Montana. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:36:25 UTC | 3.1ml | 57 km S of Whites City, New Mexico 31.658°, -104.315° | 6.5 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.1 earthquake 57 km S of Whites City, New Mexico with origin time 22:36 UTC on June 30, 2021. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:26:53 UTC | 2.3ml | 30 km SW of Atka, Alaska 52.012°, -174.539° | 75.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 30 km SW of Atka, Alaska on June 30, 2021 at 22:26 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:24:00 UTC | 2.2md | 6km SSE of Quincy, CA 39.885°, -120.930° | 9.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 6km SSE of Quincy, CA on June 30, 2021 at 22:24 UTC. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:19:19 UTC | 3.2ml | 7km WSW of Williams, CA 39.135°, -122.222° | -0.3 km | 25 | IV | - | ✓ Reviewed | USGS → |
A magnitude 3.2 earthquake was recorded 7km WSW of Williams, CA on June 30, 2021 at 22:19 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. | ||||||||
2021-06-30 2021-06-30 22:15:56 UTC | 3.2ml | 17km W of Searles Valley, CA 35.779°, -117.587° | 6.7 km | 12 | - | - | ✓ Reviewed | USGS → |
June 30, 2021 brought a magnitude 3.2 earthquake 17km W of Searles Valley, CA, logged at 22:15 UTC. The event was offshore. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:15:00 UTC | 2.2md | 2 km SE of Yauco, Puerto Rico 18.020°, -66.838° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 earthquake was recorded 2 km SE of Yauco, Puerto Rico on June 30, 2021 at 22:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:14:06 UTC | 2.7ml | 56 km E of Juneau, Alaska 58.367°, -133.455° | 2.9 km | - | - | - | ✓ Reviewed | USGS → |
June 30, 2021 brought a magnitude 2.7 earthquake 56 km E of Juneau, Alaska, logged at 22:14 UTC. Coming 14 hours after a magnitude 2.9 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 M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:11:14 UTC | 4.3mb | 18 km SE of Kotabumi, Indonesia -4.942°, 105.007° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 18 km SE of Kotabumi, Indonesia came in on June 30, 2021 at 22:11 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:03:27 UTC | 2.8ml | 56 km E of Juneau, Alaska 58.361°, -133.467° | 5.0 km | - | - | - | ✓ Reviewed | USGS → |
At 22:03 UTC on June 30, 2021, a magnitude 2.8 tremor occurred 56 km E of Juneau, Alaska. It arrived roughly 13 hours after a larger magnitude 2.9 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 M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 22:00:18 UTC | 2.1md | 3 km SSE of P?hala, Hawaii 19.176°, -155.468° | 33.7 km | - | - | - | Auto | USGS → |
On June 30, 2021 at 22:00 UTC, a magnitude 2.1 earthquake struck 3 km SSE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 3.3 earthquake that occurred about 9 hours earlier. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:50:54 UTC | 2.5ml | 59 km E of Juneau, Alaska 58.360°, -133.417° | 2.6 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 seismic event took place 59 km E of Juneau, Alaska on June 30, 2021 at 21:50 UTC. Coming 13 hours after a magnitude 2.9 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:50:07 UTC | 4.0mb | 57 km SSE of Sand Point, Alaska 54.847°, -160.218° | 43.5 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.0 earthquake 57 km SSE of Sand Point, Alaska came in on June 30, 2021 at 21:50 UTC. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:44:01 UTC | 4.4mb | 33 km E of Kamaishi, Japan 39.238°, 142.248° | 52.9 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake 33 km E of Kamaishi, Japan at 21:44 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:40:56 UTC | 2.0md | 4 km ESE of P?hala, Hawaii 19.194°, -155.439° | 36.1 km | - | - | - | Auto | USGS → |
At 21:40 UTC on June 30, 2021, a magnitude 2.0 tremor occurred 4 km ESE of P?hala, Hawaii. Coming 8 hours after a magnitude 3.3 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:33:28 UTC | 2.9md | 3 km S of Peñuelas, Puerto Rico 18.026°, -66.721° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2021 at 21:33 UTC, a magnitude 2.9 earthquake struck 3 km S of Peñuelas, Puerto Rico. Coming 2 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:19:13 UTC | 4.3mb | 67 km S of Angoram, Papua New Guinea -4.673°, 144.094° | 92.9 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 67 km S of Angoram, Papua New Guinea on June 30, 2021 at 21:19 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 21:09:28 UTC | 2.6ml | 23 km E of Juneau, Alaska 58.290°, -134.019° | 9.4 km | - | - | - | Auto | USGS → |
The USGS recorded this magnitude 2.6 earthquake 23 km E of Juneau, Alaska at 21:09 UTC on June 30, 2021. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:28:45 UTC | 4.5mb | 33 km NNW of Kabugao, Philippines 18.297°, 121.056° | 15.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place 33 km NNW of Kabugao, Philippines on June 30, 2021 at 20:28 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:26:18 UTC | 3.0md | 3 km WSW of La Parguera, Puerto Rico 17.965°, -67.082° | 8.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 3.0 earthquake 3 km WSW of La Parguera, Puerto Rico came in on June 30, 2021 at 20:26 UTC. Coming 11 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:24:23 UTC | 2.7mb_lg | 4 km E of Rembrandt, Iowa 42.825°, -95.106° | 10.0 km | 1 | - | - | ✓ Reviewed | USGS → |
On June 30, 2021 at 20:24 UTC, a magnitude 2.7 earthquake struck 4 km E of Rembrandt, Iowa. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:19:30 UTC | 2.9ml | 57 km S of Whites City, New Mexico 31.662°, -104.316° | 6.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.9 seismic event took place 57 km S of Whites City, New Mexico on June 30, 2021 at 20:19 UTC. It arrived roughly 7 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 M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:16:27 UTC | 4.7mb | southeast of the Loyalty Islands -22.917°, 171.789° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On June 30, 2021, worldwide seismic activity registered a magnitude 4.7 earthquake southeast of the Loyalty Islands at 20:16 UTC. See the M4.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 20:04:30 UTC | 2.9md | 6 km SW of La Parguera, Puerto Rico 17.941°, -67.091° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 6 km SW of La Parguera, Puerto Rico with origin time 20:04 UTC on June 30, 2021. This event falls inside the aftershock decay of a nearby magnitude 3.8 earthquake that occurred about 11 hours earlier. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 19:52:27 UTC | 4.9mb | Easter Island region -28.425°, -113.258° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.9 earthquake was recorded in the Easter Island region on June 30, 2021 at 19:52 UTC. This event falls inside the aftershock decay of a nearby magnitude 5.3 earthquake that occurred about 5 hours earlier. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 19:26:53 UTC | 2.3md | 11km SSW of Ferndale, CA 40.483°, -124.311° | 19.0 km | - | - | - | ✓ Reviewed | USGS → |
June 30, 2021 brought a magnitude 2.3 earthquake 11km SSW of Ferndale, CA, logged at 19:26 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-06-30 2021-06-30 19:19:29 UTC | 3.2md | 5 km S of Ponce, Puerto Rico 17.962°, -66.630° | 5.0 km | 3 | - | - | ✓ Reviewed | USGS → |
On June 30, 2021 at 19:19 UTC, a magnitude 3.2 earthquake struck 5 km S of Ponce, Puerto Rico. The event was offshore. 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 30, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.