Earthquakes on March 7, 2021
376
EARTHQUAKES on March 7, 2021
24-hour UTC period · USGS data
LARGEST: M5.8 — Kermadec Islands region
10 km deep
Elevated activitycompared to daily average (~250/day)
Magnitude Breakdown
M5.0+
33
M4.0–4.9
116
M3.0–3.9
9
M2.0–2.9
53
M1.0–1.9
165
Activity Summary
376
Total earthquakes
~250
Daily average
Elevated
Activity level
33
M5.0+ events
Geographic Breakdown
By US State
Top Countries (International)
Significant Earthquakes (M4.5+)
5.8
Kermadec Islands region
23:56 UTC · 10.0 km deep
5.6
south of the Kermadec Islands
07:56 UTC · 11.0 km deep
5.6
217 km NE of Gisborne, New Zealand
04:54 UTC · 15.4 km deep
Felt by 12
5.6
Kermadec Islands region
04:10 UTC · 11.0 km deep
5.5
Kermadec Islands region
01:55 UTC · 8.0 km deep
5.4
Kermadec Islands, New Zealand
23:33 UTC · 10.0 km deep
5.4
Kermadec Islands region
14:48 UTC · 10.0 km deep
5.3
153 km ENE of Gisborne, New Zealand
22:51 UTC · 10.0 km deep
Felt by 2
Earthquake Map — March 7, 2021
All Earthquakes — March 7, 2021
Showing 30 of 211 (filtered from 376)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2021-03-07 2021-03-07 23:56:54 UTC | 5.8mww | Kermadec Islands region -29.578°, -176.892° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
On March 7, 2021 at 23:56 UTC, a magnitude 5.8 earthquake struck in the Kermadec Islands region. 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 March 7, 2021. See the M5.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 23:56:40 UTC | 3.6ml | 54 km S of Chenega, Alaska 59.583°, -147.897° | 22.0 km | 7 | I | - | ✓ Reviewed | USGS → |
March 7, 2021 brought a magnitude 3.6 earthquake 54 km S of Chenega, Alaska, logged at 23:56 UTC. The event was offshore. See the M3.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 23:33:43 UTC | 5.4mww | Kermadec Islands, New Zealand -29.476°, -177.067° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.4 earthquake near Kermadec Islands, New Zealand at 23:33 UTC on March 7, 2021. 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. | ||||||||
2021-03-07 2021-03-07 23:30:42 UTC | 5.2mb | Kermadec Islands region -29.685°, -176.938° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021 at 23:30 UTC, a magnitude 5.2 earthquake struck in the Kermadec Islands region. See the M5.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 23:19:41 UTC | 4.3mb | 18 km NNW of Dededo Village, Guam 13.671°, 144.766° | 125.3 km | - | - | - | ✓ Reviewed | USGS → |
March 7, 2021 brought a magnitude 4.3 earthquake 18 km NNW of Dededo Village, Guam, logged at 23:19 UTC. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 23:13:43 UTC | 4.6mb | Kermadec Islands region -29.609°, -176.930° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021 at 23:13 UTC, a magnitude 4.6 earthquake struck in the Kermadec Islands region. It arrived roughly 18 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 22:51:40 UTC | 5.3mb | 153 km ENE of Gisborne, New Zealand -37.972°, 179.535° | 10.0 km | 2 | III | green | ✓ Reviewed | USGS → |
Reports of a magnitude 5.3 earthquake 153 km ENE of Gisborne, New Zealand came in on March 7, 2021 at 22:51 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 22:43:07 UTC | 2.0ml | 26 km SSW of Mina, Nevada 38.165°, -118.191° | 3.3 km | - | - | - | ✓ Reviewed | USGS → |
At 22:43 UTC on March 7, 2021, a magnitude 2.0 tremor occurred 26 km SSW of Mina, Nevada. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 22:42:38 UTC | 4.2mb | Kermadec Islands region -28.573°, -176.797° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
March 7, 2021 brought a magnitude 4.2 earthquake in the Kermadec Islands region, logged at 22:42 UTC. It arrived roughly 12 hours after a larger magnitude 4.9 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 22:42:22 UTC | 2.5ml | 23 km WNW of Volcano, Hawaii 19.497°, -155.452° | 1.2 km | - | - | - | ✓ Reviewed | USGS → |
At 22:42 UTC on March 7, 2021, a magnitude 2.5 tremor occurred 23 km WNW of Volcano, Hawaii. 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. | ||||||||
2021-03-07 2021-03-07 22:37:59 UTC | 4.9mb | 161 km ENE of Gisborne, New Zealand -37.927°, 179.598° | 10.0 km | - | III | green | ✓ Reviewed | USGS → |
On March 7, 2021, worldwide seismic activity registered a magnitude 4.9 earthquake 161 km ENE of Gisborne, New Zealand at 22:37 UTC. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M4.9 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 22:37:42 UTC | 3.4md | 0 km NE of Mucarabones, Puerto Rico 18.395°, -66.211° | 115.0 km | 18 | II | - | ✓ Reviewed | USGS → |
A magnitude 3.4 earthquake was recorded 0 km NE of Mucarabones, Puerto Rico on March 7, 2021 at 22:37 UTC. The event was offshore. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:54:55 UTC | 4.3mb | 222 km NE of Gisborne, New Zealand -37.385°, 179.973° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021 at 21:54 UTC, a magnitude 4.3 earthquake struck 222 km NE of Gisborne, New Zealand. Coming 14 hours after a magnitude 5.2 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M4.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:44:22 UTC | 4.0mb | 193 km ENE of Gisborne, New Zealand -37.792°, 179.925° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021, worldwide seismic activity registered a magnitude 4.0 earthquake 193 km ENE of Gisborne, New Zealand at 21:44 UTC. Coming 17 hours after a magnitude 5.0 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M4.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:39:34 UTC | 4.4mb | 230 km NE of Gisborne, New Zealand -37.435°, -179.864° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.4 earthquake was recorded 230 km NE of Gisborne, New Zealand on March 7, 2021 at 21:39 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:31:38 UTC | 4.5mb | Kermadec Islands region -28.966°, -176.899° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.5 earthquake in the Kermadec Islands region with origin time 21:31 UTC on March 7, 2021. It arrived roughly 11 hours after a larger magnitude 5.1 mainshock in the same 20 km area, placing it within the typical aftershock window. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:18:21 UTC | 4.8mb | 140 km WNW of Pangai, Tonga -19.366°, -175.605° | 223.8 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.8 earthquake 140 km WNW of Pangai, Tonga with origin time 21:18 UTC on March 7, 2021. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:16:45 UTC | 4.1mb | 236 km NE of Gisborne, New Zealand -37.469°, -179.754° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 4.1 seismic event took place 236 km NE of Gisborne, New Zealand on March 7, 2021 at 21:16 UTC. The event was offshore. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:15:47 UTC | 4.2mb | 285 km NE of Gisborne, New Zealand -37.193°, -179.321° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021 at 21:15 UTC, a magnitude 4.2 earthquake struck 285 km NE of Gisborne, New Zealand. The event was offshore. See the M4.2 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:11:26 UTC | 2.5md | 4 km SE of Maria Antonia, Puerto Rico 17.954°, -66.857° | 16.0 km | - | - | - | ✓ Reviewed | USGS → |
Reports of a magnitude 2.5 earthquake 4 km SE of Maria Antonia, Puerto Rico came in on March 7, 2021 at 21:11 UTC. It arrived roughly 10 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 M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 21:02:59 UTC | 2.0ml | 28 km E of Honaunau-Napoopoo, Hawaii 19.462°, -155.593° | -2.3 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021, worldwide seismic activity registered a magnitude 2.0 earthquake 28 km E of Honaunau-Napoopoo, Hawaii at 21:02 UTC. This is the shallowest earthquake in the current dataset — a shallow crustal event. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 20:50:32 UTC | 4.4mb | 281 km E of Levuka, Fiji -18.487°, -178.056° | 521.1 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 4.4 earthquake 281 km E of Levuka, Fiji with origin time 20:50 UTC on March 7, 2021. This is the deepest earthquake in the current dataset — a deep-focus event. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 20:46:34 UTC | 2.7ml | 31 km SSW of Tatitlek, Alaska 60.630°, -146.875° | 12.4 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 2.7 event was detected 31 km SSW of Tatitlek, Alaska on March 7, 2021, with origin time 20:46 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 19:51:05 UTC | 2.0ml | 20 km WNW of Stanley, Idaho 44.280°, -115.180° | 9.9 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 2.0 earthquake 20 km WNW of Stanley, Idaho at 19:51 UTC on March 7, 2021. This event falls inside the aftershock decay of a nearby magnitude 2.2 earthquake that occurred about 7 hours earlier. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 19:28:48 UTC | 5.1mww | Kermadec Islands region -28.558°, -177.007° | 10.0 km | - | II | green | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 5.1 earthquake in the Kermadec Islands region at 19:28 UTC on March 7, 2021. The USGS PAGER system assigned a green alert level for this event, signalling no significant casualties or damage expected. See the M5.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 19:14:03 UTC | 2.6ml | 5 km WSW of Manchester, Oklahoma 36.967°, -98.096° | 7.0 km | 2 | - | - | ✓ Reviewed | USGS → |
A magnitude 2.6 seismic event took place 5 km WSW of Manchester, Oklahoma on March 7, 2021 at 19:14 UTC. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 19:13:54 UTC | 2.3ml | 5 km WSW of Manchester, Oklahoma 36.969°, -98.091° | 7.0 km | - | - | - | ✓ Reviewed | USGS → |
On March 7, 2021, worldwide seismic activity registered a magnitude 2.3 earthquake 5 km WSW of Manchester, Oklahoma at 19:13 UTC. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 19:07:26 UTC | 2.1ml | 5 km W of Point MacKenzie, Alaska 61.363°, -150.080° | 37.3 km | - | - | - | Auto | USGS → |
This magnitude 2.1 event was detected 5 km W of Point MacKenzie, Alaska on March 7, 2021, with origin time 19:07 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.2 earthquake that occurred about 10 hours earlier. The event was offshore. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 18:37:37 UTC | 5.0mb | 222 km ENE of Gisborne, New Zealand -37.794°, -179.700° | 10.0 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 5.0 earthquake 222 km ENE of Gisborne, New Zealand with origin time 18:37 UTC on March 7, 2021. See the M5.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2021-03-07 2021-03-07 18:27:32 UTC | 2.3ml | 11 km NE of Stanley, Idaho 44.298°, -114.851° | 4.7 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 2.3 earthquake was recorded 11 km NE of Stanley, Idaho on March 7, 2021 at 18:27 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. | ||||||||
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 March 7, 2021. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.