Earthquake with magnitude of ML 4.0 on date 16-03-2023 and time 10:00:10 (UTC) in region Libya [Sea]

A magnitude ML 4.0 earthquake occured in region: Libya [Sea], on

  • 16-03-2023 10:00:10 (UTC)
  • 16-03-2023 11:00:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.6240, 13.7760 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 4.0 2023-03-16
10:00:10
34.6242 13.7755 9 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124131761
Reviewed
Rev100
ML 4.1 2023-03-16
10:00:10
34.5348 13.7918 25 2023-03-16
10:29:33
Sala Sismica INGV-Roma 115427311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-16 10:00:10 ± 0.32
Latitude 34.6242 ± 0.0189
Longitude 13.7755 ± 0.0120
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124131761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2130
Semi-minor axis of confidence ellipse (meter) 1140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 2130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 286
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 1.29412
Epicentral distance of station farthest from the epicenter (degree) 5.99938
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:4.0

Field Value
Value 4.0
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 124131761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-18 17:50:05

ML:4.1

Field Value
Value 4.1
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 115427311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-16 10:29:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VSL.HHZ. 2023-03-16T10:01:40.30 0.3 undecidable manual P 326 665.9334 38 0.14 23
IV.CET2.HHZ. 2023-03-16T10:01:29.00 0.6 undecidable manual P 19 577.3887 38 -0.15 17
IV.CAR1.HHZ. 2023-03-16T10:01:26.64 0.6 undecidable manual P 22 557.3199 38 0 18
IV.PLAC.HHZ. 2023-03-16T10:01:18.00 0.3 undecidable manual P 28 486.3465 38 0.18 29
IV.CROCE.HHZ. 2023-03-16T10:01:16.63 1.0 undecidable manual S 15 254.3565 38 -0.55 17
IV.SOI.EHZ. 2023-03-16T10:01:11.25 0.3 undecidable manual P 27 433.5438 38 0 32
IV.MSRU.HHZ. 2023-03-16T10:01:11.72 0.3 undecidable manual P 20 432.4449 38 0.61 27
IV.MSFR.HHZ. 2023-03-16T10:01:06.41 0.3 undecidable manual P 11 385.3254 38 1.17 22
IV.ERC.EHZ. 2023-03-16T10:01:06.13 0.6 undecidable manual P 345 393.2064 38 -0.1 22
IV.MUCR.HHZ. 2023-03-16T10:01:06.52 0.3 undecidable manual P 14 391.8078 38 0.46 30
IV.AIO.HHZ. 2023-03-16T10:01:06.63 0.3 undecidable manual P 19 393.606 38 0.35 31
IV.PLLN.EHZ. 2023-03-16T10:01:05.47 0.3 undecidable manual P 5 375.1467 38 1.49 19
IV.CSLB.HHZ. 2023-03-16T10:01:03.60 0.3 undecidable manual P 4 368.4534 38 0.46 31
IV.CORL.HHZ. 2023-03-16T10:01:03.58 0.3 undecidable manual P 354 365.2566 38 0.83 27
IV.MBFT.HHZ. 2023-03-16T10:01:03.98 0.3 undecidable manual P 349 375.735 38 -0.08 33
IV.GALF.HHZ. 2023-03-16T10:01:02.17 0.3 undecidable manual P 11 349.6833 38 1.36 21
IV.ALJA.HHZ. 2023-03-16T10:01:02.46 0.3 undecidable manual P 360 346.6863 38 2.03 13
IV.SCIAC.HHZ. 2023-03-16T10:00:57.27 0.3 undecidable manual P 350 326.5287 38 -0.65 30
IV.LINA.HHZ. 2023-03-16T10:00:56.24 0.6 undecidable manual S 329 161.2164 50 -0.03 69
IV.CPTP.HHZ. 2023-03-16T10:00:56.93 1.0 undecidable manual P 6 310.7556 38 0.96 9
ML.MSDA.BHE. 2023-03-16T10:00:54.55 0.6 undecidable manual S 24 155.5221 50 -0.21 68
IV.RAFF.HHZ. 2023-03-16T10:00:53.60 0.3 undecidable manual P 10 293.0844 38 -0.16 38
MN.WDD.HHZ. 2023-03-16T10:00:53.55 0.6 undecidable manual S 27 150.738 50 0.07 72
IV.LPDG.HHE. 2023-03-16T10:00:52.17 0.6 undecidable manual S 314 143.6451 50 0.57 65
IV.HAVL.HHZ. 2023-03-16T10:00:52.73 0.3 undecidable manual P 25 286.1025 38 -0.16 42
IV.CLTA.HHZ. 2023-03-16T10:00:52.46 0.3 undecidable manual P 3 281.607 38 0.12 44
IV.HMDC.HHZ. 2023-03-16T10:00:51.14 0.6 undecidable manual P 19 274.5141 38 -0.31 31
IV.CROCE.HHZ. 2023-03-16T10:00:48.50 0.3 undecidable manual P 15 254.3565 38 -0.45 53
IV.HPAC.HHZ. 2023-03-16T10:00:48.97 0.3 undecidable manual P 26 257.742 38 -0.4 53
IV.LINA.HHZ. 2023-03-16T10:00:36.34 0.3 undecidable manual P 329 161.2164 50 -0.54 93
MN.WDD.HHZ. 2023-03-16T10:00:35.31 0.6 undecidable manual P 27 150.738 50 0.04 72
ML.MSDA.BHE. 2023-03-16T10:00:35.65 0.3 undecidable manual P 24 155.5221 50 -0.36 99
IV.LPDG.HHE. 2023-03-16T10:00:33.67 0.3 undecidable manual P 314 143.6451 50 -0.51 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.WDD.HHE. ML:4.1 0.006885 1.52 AML other m 2023-03-16T10:01:05.04
MN.WDD.HHN. ML:4.1 0.00696 0.6 AML other m 2023-03-16T10:01:07.62
IV.LINA.HHN. ML:4.8 0.03215 0.62 AML other m 2023-03-16T10:01:11.57
IV.LINA.HHE. ML:4.8 0.026850000000000002 0.96 AML other m 2023-03-16T10:01:12.48
IV.CROCE.HNE. ML:4.3 0.0036049999999999997 0.58 AML other m 2023-03-16T10:01:38.66
IV.CROCE.HHE. ML:4.2 0.0029249999999999996 0.56 AML other m 2023-03-16T10:01:38.65
IV.CPTP.HHN. ML:4.1 0.001585 0.62 AML other m 2023-03-16T10:01:39.31
IV.GRI.EHE. ML:3.9 0.0001865 0.6 AML other m 2023-03-16T10:01:41.13
IV.HMDC.HHE. ML:3.6 0.0005920000000000001 0.66 AML other m 2023-03-16T10:01:41.62
IV.HMDC.HNE. ML:4.2 0.00243 0.68 AML other m 2023-03-16T10:01:41.62
IV.CROCE.HHN. ML:4.1 0.0024850000000000002 0.62 AML other m 2023-03-16T10:01:44.89
IV.CROCE.HNN. ML:4.2 0.00309 0.64 AML other m 2023-03-16T10:01:44.90
IV.HMDC.HHN. ML:4.3 0.0030999999999999995 1.44 AML other m 2023-03-16T10:01:46.78
IV.HMDC.HNN. ML:4.3 0.003015 1.44 AML other m 2023-03-16T10:01:46.79
IV.CSLB.HHN. ML:3.9 0.000603 1.06 AML other m 2023-03-16T10:01:46.89
IV.CSLB.HNN. ML:3.9 0.0005949999999999999 1.1 AML other m 2023-03-16T10:01:46.89
IV.CAR1.HHN. ML:4.1 0.0002745 0.92 AML other m 2023-03-16T10:01:46.92
IV.HAVL.HHE. ML:4.1 0.00166 1.32 AML other m 2023-03-16T10:01:46.92
IV.CET2.HHN. ML:4.2 0.0002945 0.88 AML other m 2023-03-16T10:01:47.14
IV.HPAC.HHN. ML:4.2 0.00279 1.32 AML other m 2023-03-16T10:01:47.15
IV.RAFF.HHE. ML:4.2 0.0023049999999999998 1.36 AML other m 2023-03-16T10:01:49.24
IV.SPS2.HHN. ML:3.5 0.00005325 1.1 AML other m 2023-03-16T10:01:49.88
IV.SPS2.HHE. ML:3.3 0.000041800000000000006 1.28 AML other m 2023-03-16T10:01:50.92
IV.CPTP.HHE. ML:4.2 0.0019299999999999999 1.06 AML other m 2023-03-16T10:01:50.30
IV.CLTA.HHE. ML:4.1 0.001805 1.06 AML other m 2023-03-16T10:01:50.97
IV.RAFF.HHN. ML:4.3 0.0023799999999999997 0.58 AML other m 2023-03-16T10:01:50.61
IV.HPAC.HHE. ML:4.2 0.0025700000000000002 1.16 AML other m 2023-03-16T10:01:51.38
IV.SCIAC.HNE. ML:4.0 0.000938 1.28 AML other m 2023-03-16T10:01:51.73
IV.SCIAC.HHE. ML:4.0 0.0009385 1.3 AML other m 2023-03-16T10:01:51.73
IV.CLTA.HHN. ML:4.1 0.0017999999999999997 1.48 AML other m 2023-03-16T10:01:54.93
IV.CORL.HHN. ML:4.0 0.0007689999999999999 0.66 AML other m 2023-03-16T10:01:55.40
IV.CORL.HNN. ML:4.0 0.000769 0.66 AML other m 2023-03-16T10:01:55.40
IV.HAVL.HHN. ML:4.2 0.0024649999999999997 0.7 AML other m 2023-03-16T10:01:56.52
IV.ERC.EHE. ML:4.1 0.0008320000000000001 0.58 AML other m 2023-03-16T10:01:56.97
IV.MUCR.HHE. ML:4.1 0.00074 1.42 AML other m 2023-03-16T10:01:56.75
IV.CORL.HNE. ML:4.0 0.0007564999999999999 0.46 AML other m 2023-03-16T10:01:57.29
IV.ERC.EHN. ML:4.0 0.0006035000000000001 0.9 AML other m 2023-03-16T10:01:57.66
IV.MSRU.HHN. ML:4.5 0.0015899999999999998 1.18 AML other m 2023-03-16T10:01:59.12
IV.MBFT.HHN. ML:3.7 0.000378 0.82 AML other m 2023-03-16T10:01:59.12
IV.MSRU.HHE. ML:4.4 0.0012285 0.74 AML other m 2023-03-16T10:01:59.14
IV.SOI.EHN. ML:3.7 0.000242 0.7 AML other m 2023-03-16T10:02:00.43
IV.GALF.HHE. ML:4.5 0.0027 0.52 AML other m 2023-03-16T10:02:00.46
IV.MSFR.HHE. ML:3.8 0.000377 0.92 AML other m 2023-03-16T10:02:02.01
IV.SCIAC.HNN. ML:4.0 0.0009385 0.62 AML other m 2023-03-16T10:02:02.89
IV.SCIAC.HHN. ML:4.0 0.0009270000000000001 0.6 AML other m 2023-03-16T10:02:02.88
IV.PLLN.EHN. ML:4.8 0.004515000000000001 0.58 AML other m 2023-03-16T10:02:04.15
IV.SOI.EHE. ML:3.9 0.000367 0.66 AML other m 2023-03-16T10:02:04.48
IV.GALF.HNE. ML:3.6 0.0003375 0.74 AML other m 2023-03-16T10:02:04.62
IV.PLLN.EHE. ML:4.5 0.00229 0.72 AML other m 2023-03-16T10:02:04.56
IV.ALJA.HHE. ML:3.8 0.000527 0.54 AML other m 2023-03-16T10:02:05.30
TV.GMB1.HHN. ML:3.5 0.000135 1.1 AML other m 2023-03-16T10:02:07.01
TV.GMB1.HNN. ML:4.0 0.0004325 1.1 AML other m 2023-03-16T10:02:07.02
IV.ALJA.HHN. ML:3.6 0.000367 0.76 AML other m 2023-03-16T10:02:07.58
IV.CSLB.HNE. ML:3.9 0.0005645 0.4 AML other m 2023-03-16T10:02:08.35
IV.CSLB.HHE. ML:3.9 0.0005655 0.42 AML other m 2023-03-16T10:02:08.36
IV.CORL.HHE. ML:4.0 0.0007415000000000001 1.08 AML other m 2023-03-16T10:02:09.55
TV.GMB1.HHE. ML:3.5 0.00014350000000000002 1.28 AML other m 2023-03-16T10:02:09.92
TV.GMB1.HNE. ML:4.0 0.0004415 1.26 AML other m 2023-03-16T10:02:09.92
IV.GIZZ.HHE. ML:4.2 0.0003445 1 AML other m 2023-03-16T10:02:11.71
IV.GIZZ.HHN. ML:4.3 0.00047050000000000005 0.24 AML other m 2023-03-16T10:02:11.67
IV.PLAC.HHN. ML:4.0 0.0003055 1.54 AML other m 2023-03-16T10:02:11.10
IV.GALF.HNN. ML:3.8 0.000488 0.74 AML other m 2023-03-16T10:02:12.38
IV.GALF.HHN. ML:4.6 0.003685 0.76 AML other m 2023-03-16T10:02:12.76
IV.PLAC.HHE. ML:3.9 0.000273 1.48 AML other m 2023-03-16T10:02:13.02
IV.AIO.HHN. ML:3.9 0.00048100000000000004 0.74 AML other m 2023-03-16T10:02:13.18
IV.AIO.HHE. ML:4.0 0.00063 0.82 AML other m 2023-03-16T10:02:16.47
IV.MBFT.HHE. ML:3.8 0.0004185 1.1 AML other m 2023-03-16T10:02:17.98
IV.GRI.EHN. ML:3.9 0.0001905 0.98 AML other m 2023-03-16T10:02:20.15
IV.MSFR.HHN. ML:3.8 0.00036899999999999997 0.78 AML other m 2023-03-16T10:02:20.95
IV.MUCR.HHN. ML:4.2 0.0010045000000000002 0.78 AML other m 2023-03-16T10:02:20.25
IV.CAR1.HHE. ML:4.1 0.00026900000000000003 0.64 AML other m 2023-03-16T10:02:41.33
IV.CET2.HHE. ML:4.1 0.00022 1.18 AML other m 2023-03-16T10:02:50.96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download