Earthquakes on April 19, 2021
293
EARTHQUAKES on April 19, 2021
24-hour UTC period · USGS data
9 km deep · 3 people felt it
Normal activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
7
M4.0–4.9
34
M3.0–3.9
9
M2.0–2.9
51
M1.0–1.9
192
Activity Summary
293
Total earthquakes
~250
Daily average
Normal
Activity level
7
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
6.1
254 km S of Sinabang, Indonesia
23:58 UTC · 9.0 km deep
Felt by 3
5.3
off the coast of Ecuador
04:10 UTC · 10.0 km deep
5.2
120 km NE of Lospalos, Timor Leste
07:07 UTC · 76.0 km deep
Felt by 1
5.2
85 km WSW of San Antonio, Chile
04:11 UTC · 8.8 km deep
Felt by 23
5.1
81 km WSW of San Antonio, Chile
11:13 UTC · 10.0 km deep
Felt by 17
5.1
85 km WSW of San Antonio, Chile
03:18 UTC · 12.8 km deep
Felt by 42
5.0
79 km WSW of San Antonio, Chile
13:05 UTC · 10.3 km deep
Felt by 17
4.9
southeast Indian Ridge
23:16 UTC · 10.0 km deep
Earthquake Map — April 19, 2021

All Earthquakes — April 19, 2021
Showing 30 of 101 (filtered from 293)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-04-19 2021-04-19 23:58:22 UTC | 6.1mww | 254 km S of Sinabang, Indonesia 0.183°, 96.560° | 9.0 km | 3 | IV | green | ✓ Reviewed | USGS → |
On April 19, 2021 at 23:58 UTC, a magnitude 6.1 earthquake struck 254 km S of Sinabang, Indonesia. 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 19, 2021. See the M6.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 23:49:42 UTC | 4.8mb | 48 km WNW of Gadung, Philippines 6.892°, 123.591° | 616.5 km | - | - | - | ✓ Reviewed | USGS → |
On April 19, 2021 at 23:49 UTC, a magnitude 4.8 earthquake struck 48 km WNW of Gadung, Philippines. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 23:34:49 UTC | 3.3md | 45 km NNW of San Antonio, Puerto Rico 18.878°, -67.255° | 6.0 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 3.3 event was detected 45 km NNW of San Antonio, Puerto Rico on April 19, 2021, with origin time 23:34 UTC. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 23:16:36 UTC | 4.9mb | southeast Indian Ridge -49.052°, 108.971° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.9 earthquake near southeast Indian Ridge came in on April 19, 2021 at 23:16 UTC. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 23:02:21 UTC | 2.1ml | 101 km SSE of Sand Point, Alaska 54.491°, -159.891° | 12.8 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.1 event was detected 101 km SSE of Sand Point, Alaska on April 19, 2021, with origin time 23:02 UTC. Coming 9 hours after a magnitude 2.2 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. | ||||||||
2021-04-19 2021-04-19 22:57:12 UTC | 4.2mb | 107 km ESE of Kokopo, Papua New Guinea -4.795°, 153.130° | 43.5 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.2 seismic event took place 107 km ESE of Kokopo, Papua New Guinea on April 19, 2021 at 22:57 UTC. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 22:57:11 UTC | 3.9mwr | 3 km SW of Wiener Neustadt, Austria 47.781°, 16.195° | 10.6 km | 132 | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 3.9 earthquake 3 km SW of Wiener Neustadt, Austria with origin time 22:57 UTC on April 19, 2021. The event was offshore. See the M3.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 22:47:18 UTC | 2.1ml | 57 km S of Whites City, New Mexico 31.655°, -104.327° | 6.6 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.1 earthquake 57 km S of Whites City, New Mexico came in on April 19, 2021 at 22:47 UTC. 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. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 22:36:54 UTC | 2.1ml | 70 km NW of Ambler, Alaska 67.540°, -158.982° | 6.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.1 seismic event took place 70 km NW of Ambler, Alaska on April 19, 2021 at 22:36 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 22:11:35 UTC | 3.5ml | 8 km SW of Dibble, Oklahoma 34.974°, -97.695° | 11.4 km | 58 | IV | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 3.5 earthquake 8 km SW of Dibble, Oklahoma at 22:11 UTC on April 19, 2021. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 21:32:49 UTC | 4.3mb | 31 km NNE of Bandar-e Gen?veh, Iran 29.820°, 50.681° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 19, 2021, worldwide seismic activity registered a magnitude 4.3 earthquake 31 km NNE of Bandar-e Gen?veh, Iran at 21:32 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 21:16:48 UTC | 2.2ml | 43 km NW of Stanley, Idaho 44.540°, -115.245° | 9.2 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.2 earthquake 43 km NW of Stanley, Idaho came in on April 19, 2021 at 21:16 UTC. Coming 1 hours after a magnitude 3.6 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 21:14:07 UTC | 2.9ml | 40 km SSE of False Pass, Alaska 54.499°, -163.263° | 17.9 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 2.9 earthquake 40 km SSE of False Pass, Alaska with origin time 21:14 UTC on April 19, 2021. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 21:06:21 UTC | 2.1ml | 2 km SSE of Cushing, Oklahoma 35.962°, -96.752° | 7.7 km | 3 | - | - | ✓ Reviewed | USGS → |
At 21:06 UTC on April 19, 2021, a magnitude 2.1 tremor occurred 2 km SSE of Cushing, Oklahoma. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:42:37 UTC | 3.6mwr | 46 km NNW of Stanley, Idaho 44.592°, -115.211° | 10.0 km | 3 | III | - | ✓ Reviewed | USGS → |
At 20:42 UTC on April 19, 2021, a magnitude 3.6 tremor occurred 46 km NNW of Stanley, Idaho. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:41:26 UTC | 2.8ml | 264 km ESE of Chiniak, Alaska 56.489°, -148.441° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.8 earthquake 264 km ESE of Chiniak, Alaska at 20:41 UTC on April 19, 2021. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:31:50 UTC | 4.2mb | 7 km NE of Locumba, Peru -17.560°, -70.713° | 105.5 km | - | - | - | ✓ Reviewed | USGS → |
April 19, 2021 brought a magnitude 4.2 earthquake 7 km NE of Locumba, Peru, logged at 20:31 UTC. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:18:50 UTC | 2.1ml | 19 km W of Carlin, Nevada 40.689°, -116.338° | 11.7 km | - | - | - | ✓ Reviewed | USGS → |
April 19, 2021 brought a magnitude 2.1 earthquake 19 km W of Carlin, Nevada, logged at 20:18 UTC. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:06:03 UTC | 3.1ml | 2 km W of Point MacKenzie, Alaska 61.363°, -150.030° | 38.7 km | 9 | I | - | ✓ Reviewed | USGS → |
April 19, 2021 brought a magnitude 3.1 earthquake 2 km W of Point MacKenzie, Alaska, logged at 20:06 UTC. The event was offshore. See the M3.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 20:01:00 UTC | 4.4mb | 264 km S of Alo, Wallis and Futuna -16.691°, -177.905° | 545.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 4.4 event was detected 264 km S of Alo, Wallis and Futuna on April 19, 2021, with origin time 20:01 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. | ||||||||
2021-04-19 2021-04-19 19:57:33 UTC | 2.2ml | 14 km S of Fern Forest, Hawaii 19.334°, -155.140° | 5.2 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.2 seismic event took place 14 km S of Fern Forest, Hawaii on April 19, 2021 at 19:57 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 19:38:43 UTC | 4.4mb | 111 km ESE of Kandrian, Papua New Guinea -6.643°, 150.452° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 4.4 earthquake 111 km ESE of Kandrian, Papua New Guinea came in on April 19, 2021 at 19:38 UTC. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 19:27:05 UTC | 2.7ml | 16 km N of Willow, Alaska 61.898°, -149.987° | 9.1 km | 4 | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.7 earthquake 16 km N of Willow, Alaska came in on April 19, 2021 at 19:27 UTC. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 19:08:11 UTC | 2.4ml | 1 km ESE of P?hala, Hawaii 19.198°, -155.462° | 35.0 km | - | - | - | Auto | USGS → |
Reports of a magnitude 2.4 earthquake 1 km ESE of P?hala, Hawaii came in on April 19, 2021 at 19:08 UTC. See the M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 19:01:56 UTC | 2.6ml | 15 km SSW of Elkford, Canada 49.915°, -114.956° | -2.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 19, 2021 at 19:01 UTC, a magnitude 2.6 earthquake struck 15 km SSW of Elkford, Canada. 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. | ||||||||
2021-04-19 2021-04-19 18:59:12 UTC | 2.9md | 54 km N of Brenas, Puerto Rico 18.952°, -66.400° | 32.0 km | - | - | - | ✓ Reviewed | USGS → |
On April 19, 2021 at 18:59 UTC, a magnitude 2.9 earthquake struck 54 km N of Brenas, Puerto Rico. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 18:51:55 UTC | 2.3md | 3km WSW of Anderson Springs, CA 38.768°, -122.723° | 1.0 km | - | - | - | ✓ Reviewed | USGS → |
At 18:51 UTC on April 19, 2021, a magnitude 2.3 tremor occurred 3km WSW of Anderson Springs, CA. Coming 1 hours after a magnitude 4.0 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 M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 18:50:58 UTC | 4.0mw | 3km SW of Anderson Springs, CA 38.757°, -122.723° | 2.9 km | 780 | IV | green | ✓ Reviewed | USGS → |
A magnitude 4.0 earthquake was recorded 3km SW of Anderson Springs, CA on April 19, 2021 at 18:50 UTC. In the 72 hours after this event, the USGS recorded 6 smaller earthquakes within 20 km, consistent with an ongoing aftershock sequence rooted here. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 18:32:38 UTC | 2.6ml | 102 km WSW of Elfin Cove, Alaska 57.902°, -137.986° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 earthquake was recorded 102 km WSW of Elfin Cove, Alaska on April 19, 2021 at 18:32 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-04-19 2021-04-19 18:32:33 UTC | 4.0mb | 155 km SSE of Sand Point, Alaska 54.039°, -159.589° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.0 seismic event took place 155 km SSE of Sand Point, Alaska on April 19, 2021 at 18:32 UTC. See the M4.0 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 April 19, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.