Earthquakes on May 18, 2024

500
EARTHQUAKES on May 18, 2024
24-hour UTC period · USGS data
10 km deep
Elevated activity
compared to daily average (~250/day)

Magnitude Breakdown

M5.0+
5
M4.0–4.9
34
M3.0–3.9
23
M2.0–2.9
113
M1.0–1.9
325

Activity Summary

500
Total earthquakes
~250
Daily average
Elevated
Activity level
5
M5.0+ events

Geographic Breakdown

Earthquake Map — May 18, 2024

Map showing earthquake epicenter at 20.00°, 0.00°

All Earthquakes — May 18, 2024

Showing 30 of 175 (filtered from 500)
(Filtered to M2.0+. Change the magnitude filter to see smaller events.)
Time Mag Location Depth Felt MMIAlertStatusDetails
2024-05-18
2024-05-18 23:57:41 UTC
5.9mww
southern East Pacific Rise
-55.899°, -123.301°
10.0 km--green✓ ReviewedUSGS →
On May 18, 2024 at 23:57 UTC, a magnitude 5.9 earthquake struck near southern East Pacific Rise. 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 May 18, 2024. See the M5.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:42:49 UTC
2.0ml
6 km S of Brawley, CA
32.927°, -115.531°
9.7 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.0 earthquake 6 km S of Brawley, CA with origin time 23:42 UTC on May 18, 2024. It arrived roughly 1 hours after a larger magnitude 3.9 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.
2024-05-18
2024-05-18 23:41:16 UTC
2.3ml
5 km S of Brawley, CA
32.933°, -115.526°
5.9 km---✓ ReviewedUSGS →
This magnitude 2.3 event was detected 5 km S of Brawley, CA on May 18, 2024, with origin time 23:41 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:39:41 UTC
2.8md
11 km WSW of Lincoln, CA
38.830°, -121.395°
22.3 km5--✓ ReviewedUSGS →
The USGS recorded this magnitude 2.8 earthquake 11 km WSW of Lincoln, CA at 23:39 UTC on May 18, 2024. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:36:29 UTC
2.0ml
78 km SSE of Port Graham, Alaska
58.664°, -151.543°
27.9 km---✓ ReviewedUSGS →
On May 18, 2024, worldwide seismic activity registered a magnitude 2.0 earthquake 78 km SSE of Port Graham, Alaska at 23:36 UTC. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:33:25 UTC
2.6ml
7 km S of Brawley, CA
32.917°, -115.543°
6.0 km1--✓ ReviewedUSGS →
Seismographs logged a magnitude 2.6 earthquake 7 km S of Brawley, CA with origin time 23:33 UTC on May 18, 2024. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:27:44 UTC
4.4mb
117 km E of Nikolski, Alaska
52.768°, -167.135°
40.2 km-I-✓ ReviewedUSGS →
Reports of a magnitude 4.4 earthquake 117 km E of Nikolski, Alaska came in on May 18, 2024 at 23:27 UTC. The event was offshore. See the M4.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:27:25 UTC
2.0ml
5 km SSW of Brawley, CA
32.932°, -115.547°
8.3 km---✓ ReviewedUSGS →
A magnitude 2.0 seismic event took place 5 km SSW of Brawley, CA on May 18, 2024 at 23:27 UTC. Coming 1 hours after a magnitude 3.9 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.
2024-05-18
2024-05-18 23:27:06 UTC
2.5ml
6 km S of Brawley, CA
32.925°, -115.538°
9.7 km---✓ ReviewedUSGS →
On May 18, 2024, worldwide seismic activity registered a magnitude 2.5 earthquake 6 km S of Brawley, CA at 23:27 UTC. It arrived roughly 1 hours after a larger magnitude 3.9 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.
2024-05-18
2024-05-18 23:24:09 UTC
3.3ml
6 km S of Brawley, CA
32.929°, -115.536°
11.3 km2III-✓ ReviewedUSGS →
A magnitude 3.3 earthquake was recorded 6 km S of Brawley, CA on May 18, 2024 at 23:24 UTC. It arrived roughly 1 hours after a larger magnitude 3.9 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.3 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:24:00 UTC
3.0md
36 km WNW of Rincón, Puerto Rico
18.448°, -67.573°
27.2 km---✓ ReviewedUSGS →
A magnitude 3.0 seismic event took place 36 km WNW of Rincón, Puerto Rico on May 18, 2024 at 23:24 UTC. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:19:40 UTC
2.1ml
7 km S of Brawley, CA
32.920°, -115.544°
4.8 km---✓ ReviewedUSGS →
On May 18, 2024 at 23:19 UTC, a magnitude 2.1 earthquake struck 7 km S of Brawley, CA. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:15:31 UTC
2.2ml
6 km S of Brawley, CA
32.929°, -115.538°
7.4 km---✓ ReviewedUSGS →
May 18, 2024 brought a magnitude 2.2 earthquake 6 km S of Brawley, CA, logged at 23:15 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.9 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.
2024-05-18
2024-05-18 23:13:26 UTC
3.7mw
5 km S of Brawley, CA
32.933°, -115.534°
13.8 km2IV-✓ ReviewedUSGS →
A magnitude 3.7 earthquake was recorded 5 km S of Brawley, CA on May 18, 2024 at 23:13 UTC. Coming 1 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:06:33 UTC
2.9ml
5 km SSW of Brawley, CA
32.931°, -115.542°
5.7 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.9 earthquake 5 km SSW of Brawley, CA at 23:06 UTC on May 18, 2024. Coming 1 hours after a magnitude 3.9 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:06:21 UTC
2.9ml
6 km S of Brawley, CA
32.926°, -115.541°
8.1 km---✓ ReviewedUSGS →
At 23:06 UTC on May 18, 2024, a magnitude 2.9 tremor occurred 6 km S of Brawley, CA. This event falls inside the aftershock decay of a nearby magnitude 3.9 earthquake that occurred about 1 hours earlier. The event was offshore. See the M2.9 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:05:31 UTC
3.4ml
6 km SSW of Brawley, CA
32.923°, -115.550°
3.3 km-IV-✓ ReviewedUSGS →
On May 18, 2024 at 23:05 UTC, a magnitude 3.4 earthquake struck 6 km SSW of Brawley, CA. Coming 1 hours after a magnitude 3.9 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 M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 23:05:05 UTC
3.9mw
5 km SSW of Brawley, CA
32.936°, -115.543°
14.2 km29IV-✓ ReviewedUSGS →
May 18, 2024 brought a magnitude 3.9 earthquake 5 km SSW of Brawley, CA, logged at 23:05 UTC. In the 72 hours after this event, the USGS recorded 20 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.
2024-05-18
2024-05-18 22:58:19 UTC
3.5ml
6 km S of Brawley, CA
32.922°, -115.543°
10.5 km2III-✓ ReviewedUSGS →
A magnitude 3.5 seismic event took place 6 km S of Brawley, CA on May 18, 2024 at 22:58 UTC. It arrived roughly 4 hours after a larger magnitude 3.8 mainshock in the same 20 km area, placing it within the typical aftershock window. The event was offshore. See the M3.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 22:50:07 UTC
2.2ml
52 km N of Juneau, Alaska
58.774°, -134.490°
12.1 km---✓ ReviewedUSGS →
Reports of a magnitude 2.2 earthquake 52 km N of Juneau, Alaska came in on May 18, 2024 at 22:50 UTC. The event was offshore. See the M2.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 22:40:38 UTC
4.8mww
63 km SW of Puerto Madero, Mexico
14.396°, -92.907°
29.4 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.8 earthquake 63 km SW of Puerto Madero, Mexico at 22:40 UTC on May 18, 2024. The event was offshore. See the M4.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 22:39:12 UTC
2.0ml
58 km S of Whites City, New Mexico
31.654°, -104.481°
6.1 km---✓ ReviewedUSGS →
At 22:39 UTC on May 18, 2024, a magnitude 2.0 tremor occurred 58 km S of Whites City, New Mexico. Coming 21 hours after a magnitude 2.7 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 22:38:08 UTC
4.1mb
60 km WSW of Puerto Madero, Mexico
14.454°, -92.909°
36.0 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 4.1 earthquake 60 km WSW of Puerto Madero, Mexico at 22:38 UTC on May 18, 2024. See the M4.1 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:55:25 UTC
4.5mb
239 km WSW of Tual, Indonesia
-6.089°, 130.637°
132.2 km---✓ ReviewedUSGS →
May 18, 2024 brought a magnitude 4.5 earthquake 239 km WSW of Tual, Indonesia, logged at 21:55 UTC. See the M4.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:47:28 UTC
2.1ml
7 km S of Brawley, CA
32.915°, -115.537°
6.9 km---✓ ReviewedUSGS →
The USGS recorded this magnitude 2.1 earthquake 7 km S of Brawley, CA at 21:47 UTC on May 18, 2024. It arrived roughly 3 hours after a larger magnitude 3.8 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.
2024-05-18
2024-05-18 21:45:33 UTC
2.6ml
8 km SSE of Volcano, Hawaii
19.371°, -155.217°
2.3 km---✓ ReviewedUSGS →
On May 18, 2024, worldwide seismic activity registered a magnitude 2.6 earthquake 8 km SSE of Volcano, Hawaii at 21:45 UTC. Coming 19 hours after a magnitude 3.1 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 M2.6 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:45:33 UTC
2.4ml
7 km SSE of Volcano, Hawaii
19.374°, -155.215°
1.7 km---AutoUSGS →
The USGS recorded this magnitude 2.4 earthquake 7 km SSE of Volcano, Hawaii at 21:45 UTC on May 18, 2024. Coming 19 hours after a magnitude 3.1 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 M2.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:28:55 UTC
2.5ml
69 km WSW of Akhiok, Alaska
56.655°, -155.173°
5.0 km---✓ ReviewedUSGS →
On May 18, 2024 at 21:28 UTC, a magnitude 2.5 earthquake struck 69 km WSW of Akhiok, Alaska. See the M2.5 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:23:17 UTC
3.0ml
7 km S of Brawley, CA
32.916°, -115.540°
8.8 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 3.0 earthquake 7 km S of Brawley, CA with origin time 21:23 UTC on May 18, 2024. Coming 2 hours after a magnitude 3.8 earthquake in the immediate vicinity, it is most likely an aftershock of that larger rupture. The event was offshore. See the M3.0 event page for the full report, ShakeMap, and citizen-reported intensity data.
2024-05-18
2024-05-18 21:12:27 UTC
2.1ml
7 km SW of Volcano, Hawaii
19.394°, -155.281°
1.2 km---✓ ReviewedUSGS →
A magnitude 2.1 seismic event took place 7 km SW of Volcano, Hawaii on May 18, 2024 at 21:12 UTC. This event falls inside the aftershock decay of a nearby magnitude 3.1 earthquake that occurred about 19 hours earlier. This very shallow event was close enough to the surface that even modest magnitudes can produce significant local shaking. See the M2.1 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 May 18, 2024. Data includes all events of magnitude 1.0 or greater. Past earthquake data is considered final after review by USGS seismologists.