Earthquakes on April 25, 2021
319
EARTHQUAKES on April 25, 2021
24-hour UTC period · USGS data
246 km deep · 2 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
3
M4.0–4.9
28
M3.0–3.9
9
M2.0–2.9
85
M1.0–1.9
194
Activity Summary
319
Total earthquakes
~250
Daily average
Elevated
Activity level
3
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.5
207 km WSW of Haveluloto, Tonga
22:28 UTC · 246.0 km deep
Felt by 2
5.4
17 km SSE of Acarí, Peru
23:50 UTC · 35.0 km deep
Felt by 7
5.0
102 km SSE of Manokwari, Indonesia
01:52 UTC · 10.0 km deep
4.9
62 km N of Ruteng, Indonesia
18:34 UTC · 10.0 km deep
4.9
northern Mid-Atlantic Ridge
12:29 UTC · 10.0 km deep
4.6
Samoa Islands region
21:07 UTC · 10.0 km deep
4.6
16 km SE of Socorro, Philippines
13:05 UTC · 35.0 km deep
4.5
29 km SW of Hihifo, Tonga
20:03 UTC · 10.0 km deep
Earthquake Map — April 25, 2021
All Earthquakes — April 25, 2021
Showing 30 of 125 (filtered from 319)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-25 2021-04-25 23:50:34 UTC | 5.4mww | 17 km SSE of Acarí, Peru -15.562°, -74.531° | 35.0 km | 7 | VI | green | ✓ Reviewed | USGS → |
A magnitude 5.4 earthquake was recorded 17 km SSE of Acarí, Peru on April 25, 2021 at 23:50 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 23:00:38 UTC | 2.3ml | 49 km NW of Elfin Cove, Alaska 58.459°, -137.023° | 0.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.3 earthquake 49 km NW of Elfin Cove, Alaska at 23:00 UTC on April 25, 2021. It arrived roughly 13 hours after a larger magnitude 2.4 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 22:28:02 UTC | 6.5mww | 207 km WSW of Haveluloto, Tonga -21.610°, -177.153° | 246.0 km | 2 | III | green | ✓ Reviewed | USGS → |
On April 25, 2021 at 22:28 UTC, a magnitude 6.5 earthquake struck 207 km WSW of Haveluloto, Tonga. 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 April 25, 2021. See the M6.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 21:33:58 UTC | 2.3md | 3 km ENE of P?hala, Hawaii 19.209°, -155.447° | 35.6 km | - | - | - | Auto | USGS → |
April 25, 2021 brought a magnitude 2.3 earthquake 3 km ENE of P?hala, Hawaii, logged at 21:33 UTC. Coming 21 hours after a magnitude 2.4 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. | ||||||||
2021-04-25 2021-04-25 21:30:46 UTC | 4.3mb | 57 km N of Iquique, Chile -19.692°, -70.121° | 51.7 km | 10 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.3 earthquake 57 km N of Iquique, Chile came in on April 25, 2021 at 21:30 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 21:21:16 UTC | 4.1mb | 16 km WSW of Boston, Philippines 7.828°, 126.224° | 109.6 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.1 earthquake 16 km WSW of Boston, Philippines at 21:21 UTC on April 25, 2021. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 21:16:16 UTC | 2.9ml | 22 km ENE of Honaunau-Napoopoo, Hawaii 19.503°, -155.661° | 4.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021, worldwide seismic activity registered a magnitude 2.9 earthquake 22 km ENE of Honaunau-Napoopoo, Hawaii at 21:16 UTC. 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. | ||||||||
2021-04-25 2021-04-25 21:07:56 UTC | 4.2mb | 283 km NNE of Lospalos, Timor Leste -6.293°, 128.262° | 322.8 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 earthquake was recorded 283 km NNE of Lospalos, Timor Leste on April 25, 2021 at 21:07 UTC. This deep-focus earthquake originated far below the brittle crust, deep inside the mantle. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 21:07:08 UTC | 4.6mb | Samoa Islands region -14.945°, -173.231° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake in the Samoa Islands region at 21:07 UTC on April 25, 2021. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 21:00:41 UTC | 2.1ml | 72 km ESE of Sand Point, Alaska 55.039°, -159.484° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
April 25, 2021 brought a magnitude 2.1 earthquake 72 km ESE of Sand Point, Alaska, logged at 21:00 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 20:10:40 UTC | 2.5ml | 265 km ESE of Chiniak, Alaska 56.346°, -148.585° | 20.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 265 km ESE of Chiniak, Alaska on April 25, 2021 at 20:10 UTC. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 20:05:23 UTC | 4.3mb | 86 km W of Murghob, Tajikistan 38.201°, 72.983° | 136.3 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.3 seismic event took place 86 km W of Murghob, Tajikistan on April 25, 2021 at 20:05 UTC. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 20:03:10 UTC | 4.5mb | 29 km SW of Hihifo, Tonga -16.143°, -173.991° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.5 earthquake 29 km SW of Hihifo, Tonga came in on April 25, 2021 at 20:03 UTC. The event was offshore. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 19:45:30 UTC | 2.4ml | 139 km E of Chignik, Alaska 56.184°, -156.156° | 70.4 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021 at 19:45 UTC, a magnitude 2.4 earthquake struck 139 km E of Chignik, Alaska. The event was offshore. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 19:44:50 UTC | 4.5mb | south of the Kermadec Islands -32.675°, -179.090° | 22.1 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 seismic event took place south of the Kermadec Islands on April 25, 2021 at 19:44 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:52:39 UTC | 2.1ml | 87 km W of False Pass, Alaska 54.768°, -164.772° | 123.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021 at 18:52 UTC, a magnitude 2.1 earthquake struck 87 km W of False Pass, Alaska. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:49:32 UTC | 4.5mb | Kermadec Islands region -31.531°, -178.884° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 25, 2021 brought a magnitude 4.5 earthquake in the Kermadec Islands region, logged at 18:49 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:40:11 UTC | 4.5mb | Kermadec Islands region -28.293°, -178.833° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021 at 18:40 UTC, a magnitude 4.5 earthquake struck in the Kermadec Islands region. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:34:23 UTC | 4.9mb | 62 km N of Ruteng, Indonesia -8.052°, 120.565° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake 62 km N of Ruteng, Indonesia at 18:34 UTC. The event was offshore. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:26:22 UTC | 2.5ml | 249 km ESE of Chiniak, Alaska 56.544°, -148.654° | 21.2 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.5 earthquake 249 km ESE of Chiniak, Alaska with origin time 18:26 UTC on April 25, 2021. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:18:40 UTC | 2.5md | 9km SE of Dollar Point, CA 39.127°, -120.025° | 5.7 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 9km SE of Dollar Point, CA came in on April 25, 2021 at 18:18 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.7 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:17:27 UTC | 2.8ml | 53 km SW of Nelson Lagoon, Alaska 55.613°, -161.710° | 167.9 km | - | - | - | ✓ Reviewed | USGS → |
At 18:17 UTC on April 25, 2021, a magnitude 2.8 tremor occurred 53 km SW of Nelson Lagoon, Alaska. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:13:19 UTC | 2.3ml | 44 km NW of Toyah, Texas 31.621°, -104.099° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.3 event was detected 44 km NW of Toyah, Texas on April 25, 2021, with origin time 18:13 UTC. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:04:25 UTC | 4.5mb | Southwest Indian Ridge -37.543°, 50.840° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.5 earthquake was recorded near Southwest Indian Ridge on April 25, 2021 at 18:04 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 18:01:45 UTC | 4.4mb | South Indian Ocean -37.644°, 51.073° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake near South Indian Ocean at 18:01 UTC on April 25, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 17:36:41 UTC | 2.1ml | 2 km SSE of P?hala, Hawaii 19.181°, -155.468° | 32.6 km | - | - | - | Auto | USGS → |
A magnitude 2.1 seismic event took place 2 km SSE of P?hala, Hawaii on April 25, 2021 at 17:36 UTC. Coming 17 hours after a magnitude 2.4 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 17:33:22 UTC | 2.1ml | 1 km NW of Quinton, Oklahoma 35.131°, -95.379° | 7.5 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 1 km NW of Quinton, Oklahoma at 17:33 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 17:32:24 UTC | 2.4md | 9km SE of Dollar Point, CA 39.125°, -120.027° | 6.3 km | 3 | - | - | ✓ Reviewed | USGS → |
April 25, 2021 brought a magnitude 2.4 earthquake 9km SE of Dollar Point, CA, logged at 17:32 UTC. It arrived roughly 2 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 17:32:15 UTC | 2.8ml | 42 km N of Chickaloon, Alaska 62.174°, -148.548° | 28.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 42 km N of Chickaloon, Alaska at 17:32 UTC on April 25, 2021. The event was offshore. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-25 2021-04-25 17:22:50 UTC | 2.5ml | 33 km NW of Stanley, Idaho 44.446°, -115.208° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 25, 2021, worldwide seismic activity registered a magnitude 2.5 earthquake 33 km NW of Stanley, Idaho at 17:22 UTC. The event was offshore. See the M2.5 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 April 25, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.