Earthquakes on April 2, 2021
318
EARTHQUAKES on April 2, 2021
24-hour UTC period · USGS data
LARGEST: M5.0 — 19 km E of Riosucio, Colombia
41 km deep · 4 people felt it
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
1
M4.0–4.9
32
M3.0–3.9
11
M2.0–2.9
62
M1.0–1.9
212
Activity Summary
318
Total earthquakes
~250
Daily average
Elevated
Activity level
1
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.0
19 km E of Riosucio, Colombia
22:44 UTC · 41.0 km deep
Felt by 4
4.8
Kermadec Islands region
04:43 UTC · 10.0 km deep
4.7
southeast of the Loyalty Islands
10:26 UTC · 10.0 km deep
4.7
western Xizang
07:55 UTC · 10.0 km deep
4.6
179 km SE of Hihifo, Tonga
16:46 UTC · 10.0 km deep
4.6
Fiji region
15:50 UTC · 605.7 km deep
4.6
northern Mid-Atlantic Ridge
08:26 UTC · 10.0 km deep
4.6
186 km NE of Gisborne, New Zealand
07:05 UTC · 10.0 km deep
Earthquake Map — April 2, 2021
All Earthquakes — April 2, 2021
Showing 30 of 106 (filtered from 318)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-02 2021-04-02 23:57:42 UTC | 4.4mb | 33 km SW of Illapel, Chile -31.818°, -71.448° | 44.8 km | 2 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 33 km SW of Illapel, Chile with origin time 23:57 UTC on April 2, 2021. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 23:43:56 UTC | 4.4mb | Reykjanes Ridge 59.327°, -30.634° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021, worldwide seismic activity registered a magnitude 4.4 earthquake near Reykjanes Ridge at 23:43 UTC. This event falls inside the aftershock decay of a nearby magnitude 4.5 earthquake that occurred about 1 hours earlier. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 23:22:53 UTC | 3.4md | 8 km SSE of Maria Antonia, Puerto Rico 17.909°, -66.859° | 13.0 km | 1 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.4 seismic event took place 8 km SSE of Maria Antonia, Puerto Rico on April 2, 2021 at 23:22 UTC. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 23:16:19 UTC | 2.1ml | 1 km SSW of Nikolski, Alaska 52.926°, -168.869° | 50.3 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021, worldwide seismic activity registered a magnitude 2.1 earthquake 1 km SSW of Nikolski, Alaska at 23:16 UTC. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 23:13:03 UTC | 2.6md | 7 km SE of Maria Antonia, Puerto Rico 17.928°, -66.848° | 9.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.6 event was detected 7 km SE of Maria Antonia, Puerto Rico on April 2, 2021, with origin time 23:13 UTC. Coming 4 hours after a magnitude 3.1 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 23:09:18 UTC | 4.5mb | Reykjanes Ridge 59.453°, -30.543° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
April 2, 2021 brought a magnitude 4.5 earthquake near Reykjanes Ridge, logged at 23:09 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 22:47:19 UTC | 2.0ml | 3 km ESE of P?hala, Hawaii 19.195°, -155.448° | 36.9 km | - | - | - | Auto | USGS → |
On April 2, 2021 at 22:47 UTC, a magnitude 2.0 earthquake struck 3 km ESE of P?hala, Hawaii. This event falls inside the aftershock decay of a nearby magnitude 2.5 earthquake that occurred about 9 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 22:44:02 UTC | 5.0mww | 19 km E of Riosucio, Colombia 7.458°, -76.943° | 41.0 km | 4 | - | - | ✓ Reviewed | USGS → |
On April 2, 2021 at 22:44 UTC, a magnitude 5.0 earthquake struck 19 km E of Riosucio, Colombia. It is the largest earthquake currently listed for worldwide seismic activity on April 2, 2021. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 22:30:21 UTC | 4.3mb | 236 km SSW of Severo-Kuril’sk, Russia 48.779°, 154.644° | 71.9 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021 at 22:30 UTC, a magnitude 4.3 earthquake struck 236 km SSW of Severo-Kuril’sk, Russia. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 22:21:06 UTC | 2.5ml | 4 km WSW of Homer, Alaska 59.631°, -151.632° | 48.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021 at 22:21 UTC, a magnitude 2.5 earthquake struck 4 km WSW of Homer, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 22:19:27 UTC | 2.9ml | 58 km E of Pedro Bay, Alaska 59.706°, -153.086° | 103.6 km | - | - | - | ✓ Reviewed | USGS → |
At 22:19 UTC on April 2, 2021, a magnitude 2.9 tremor occurred 58 km E of Pedro Bay, Alaska. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 21:32:00 UTC | 2.2md | 3 km ENE of P?hala, Hawaii 19.210°, -155.443° | 33.9 km | - | - | - | Auto | USGS → |
On April 2, 2021, worldwide seismic activity registered a magnitude 2.2 earthquake 3 km ENE of P?hala, Hawaii at 21:32 UTC. Coming 8 hours after a magnitude 2.5 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. | ||||||||
2021-04-02 2021-04-02 21:09:05 UTC | 2.5ml | 93 km NW of Aleneva, Alaska 58.626°, -154.089° | 86.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.5 earthquake was recorded 93 km NW of Aleneva, Alaska on April 2, 2021 at 21:09 UTC. The event was offshore. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 19:26:30 UTC | 2.4ml | 31 km SE of Mina, Nevada 38.176°, -117.871° | 8.7 km | - | - | - | ✓ Reviewed | USGS → |
April 2, 2021 brought a magnitude 2.4 earthquake 31 km SE of Mina, Nevada, logged at 19:26 UTC. It arrived roughly 1 hours after a larger magnitude 4.3 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. | ||||||||
2021-04-02 2021-04-02 19:14:26 UTC | 3.1md | 2 km SSE of Palomas, Puerto Rico 17.993°, -66.869° | 12.0 km | 1 | - | - | ✓ Reviewed | USGS → |
April 2, 2021 brought a magnitude 3.1 earthquake 2 km SSE of Palomas, Puerto Rico, logged at 19:14 UTC. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 19:13:20 UTC | 2.0ml | 104 km SSE of Sand Point, Alaska 54.523°, -159.693° | 22.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.0 earthquake was recorded 104 km SSE of Sand Point, Alaska on April 2, 2021 at 19:13 UTC. Coming 4 hours after a magnitude 2.2 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. | ||||||||
2021-04-02 2021-04-02 19:10:53 UTC | 2.6md | 13km NNW of San Simeon, CA 35.749°, -121.243° | 5.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 13km NNW of San Simeon, CA on April 2, 2021 at 19:10 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 19:08:02 UTC | 4.3ml | 31 km SE of Mina, Nevada 38.177°, -117.872° | 8.3 km | 1 | IV | - | ✓ Reviewed | USGS → |
A magnitude 4.3 earthquake was recorded 31 km SE of Mina, Nevada on April 2, 2021 at 19:08 UTC. In the 72 hours after this event, the USGS recorded 3 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 18:55:58 UTC | 4.4mb | 223 km ESE of Levuka, Fiji -18.677°, -178.670° | 504.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:55 UTC on April 2, 2021, a magnitude 4.4 tremor occurred 223 km ESE of Levuka, Fiji. 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. | ||||||||
2021-04-02 2021-04-02 17:56:25 UTC | 4.4mb | 44 km SSW of Tinogasta, Argentina -28.446°, -67.698° | 129.4 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.4 earthquake 44 km SSW of Tinogasta, Argentina at 17:56 UTC on April 2, 2021. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 17:56:14 UTC | 2.7ml | 69 km ESE of Akutan, Alaska 53.966°, -164.757° | 59.2 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021 at 17:56 UTC, a magnitude 2.7 earthquake struck 69 km ESE of Akutan, Alaska. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 17:10:09 UTC | 3.9ml | 29 km SE of Mina, Nevada 38.194°, -117.888° | 7.2 km | - | IV | - | ✓ Reviewed | USGS → |
On April 2, 2021, worldwide seismic activity registered a magnitude 3.9 earthquake 29 km SE of Mina, Nevada at 17:10 UTC. In the 72 hours after this event, the USGS recorded 5 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 17:09:48 UTC | 4.4mb | 57 km SW of Panguna, Papua New Guinea -6.678°, 155.113° | 74.7 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 57 km SW of Panguna, Papua New Guinea on April 2, 2021, with origin time 17:09 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 17:02:03 UTC | 2.9ml | 16 km SSE of Adak, Alaska 51.745°, -176.528° | 64.5 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.9 earthquake 16 km SSE of Adak, Alaska at 17:02 UTC on April 2, 2021. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 16:49:05 UTC | 2.3ml | 22 km E of Honaunau-Napoopoo, Hawaii 19.477°, -155.651° | 3.8 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.3 earthquake 22 km E of Honaunau-Napoopoo, Hawaii came in on April 2, 2021 at 16:49 UTC. 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. | ||||||||
2021-04-02 2021-04-02 16:46:56 UTC | 4.6mb | 179 km SE of Hihifo, Tonga -16.901°, -172.428° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
At 16:46 UTC on April 2, 2021, a magnitude 4.6 tremor occurred 179 km SE of Hihifo, Tonga. The event was offshore. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 16:36:30 UTC | 4.2mb | 89 km ENE of Namie, Japan 37.683°, 141.982° | 51.6 km | - | - | - | ✓ Reviewed | USGS → |
At 16:36 UTC on April 2, 2021, a magnitude 4.2 tremor occurred 89 km ENE of Namie, Japan. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 16:30:21 UTC | 2.0ml | 54 km S of Whites City, New Mexico 31.681°, -104.385° | 6.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.0 earthquake 54 km S of Whites City, New Mexico with origin time 16:30 UTC on April 2, 2021. It arrived roughly 14 hours after a larger magnitude 2.4 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 15:50:39 UTC | 2.3ml | 61 km SSW of Whites City, New Mexico 31.648°, -104.565° | 5.6 km | - | - | - | ✓ Reviewed | USGS → |
On April 2, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 61 km SSW of Whites City, New Mexico at 15:50 UTC. This event falls inside the aftershock decay of a nearby magnitude 2.4 earthquake that occurred about 13 hours earlier. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-02 2021-04-02 15:50:20 UTC | 4.6mb | Fiji region -21.775°, -179.321° | 605.7 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 4.6 earthquake in the Fiji region at 15:50 UTC on April 2, 2021. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.6 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 2, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.