Earthquake with magnitude of ML 3.3 on date 26-01-2023 and time 01:43:07 (UTC) in region Libya [Sea]

A magnitude ML 3.3 earthquake occured in region: Libya [Sea], on

  • 26-01-2023 01:43:07 (UTC)
  • 26-01-2023 02:43:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.9050, 13.3990 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Reviewed
Rev100
ML 3.3 2023-01-26
01:43:07
34.9047 13.3992 11 2023-01-26
02:04:39
Sala Sismica INGV-Roma 113793011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-26 01:43:07 ± 0.13
Latitude 34.9047 ± 0.0144
Longitude 13.3992 ± 0.0318
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113793011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3200
Semi-minor axis of confidence ellipse (meter) 895
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 3200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 337
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.71595
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:3.3

Field Value
Value 3.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 113793011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-26 02:04:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HVIT.HHZ. 2023-01-26T01:44:13.08 0.6 undecidable manual S 23 2.2753 54 -0.14 52
IV.ACATE.HNZ. 2023-01-26T01:44:13.94 1.0 undecidable manual S 22 2.2978 54 0.19 25
IV.HPAC.HHZ. 2023-01-26T01:44:12.34 1.0 undecidable manual S 36 2.2384 54 0 28
IV.CROCE.HHZ. 2023-01-26T01:44:09.80 1.0 undecidable manual S 25 2.1350 54 -0.05 30
IV.MSFR.HHZ. 2023-01-26T01:44:01.33 3.0 negative manual P 0.11 0
IV.MUCR.HHZ. 2023-01-26T01:44:01.32 3.0 positive manual Pn -0.26 0
IV.PLLN.EHZ. 2023-01-26T01:44:01.51 3.0 positive manual P 0.06 0
IV.GIB.HHZ. 2023-01-26T01:44:00.28 3.0 positive manual P -1.57 0
IV.CSLB.HHZ. 2023-01-26T01:43:59.26 3.0 negative manual P -1.79 0
IV.GALF.HHZ. 2023-01-26T01:43:56.89 3.0 positive manual P 0.39 0
IV.CPTP.HHZ. 2023-01-26T01:43:52.53 3.0 negative manual P -0.19 0
IV.HLNI.HHZ. 2023-01-26T01:43:51.17 1.0 undecidable manual P 26 2.7160 54 -0.29 16
IV.SSY.HHZ. 2023-01-26T01:43:50.22 1.0 undecidable manual P 31 2.6269 54 0 18
ML.MSDA.BHE. 2023-01-26T01:43:49.18 0.6 undecidable manual S 41 1.3310 90 -0.05 99
IV.RAFF.HHZ. 2023-01-26T01:43:48.00 1.0 undecidable manual P 18 2.4435 54 0.31 21
ML.XLND.BHE. 2023-01-26T01:43:48.58 0.6 undecidable manual S 30 1.3103 90 -0.02 100
IV.HMDC.HNZ. 2023-01-26T01:43:46.36 1.0 undecidable manual P 28 2.3382 54 0.12 25
IV.HVIT.HHZ. 2023-01-26T01:43:45.50 0.6 undecidable manual P 23 2.2753 54 0.13 53
IV.ACATE.HNZ. 2023-01-26T01:43:45.63 0.6 undecidable manual P 22 2.2978 54 -0.05 52
IV.HPAC.HHZ. 2023-01-26T01:43:44.93 0.6 undecidable manual P 36 2.2384 54 0.07 55
IV.CROCE.HHZ. 2023-01-26T01:43:43.32 0.6 undecidable manual P 25 2.1350 54 -0.11 59
ML.XLND.BHE. 2023-01-26T01:43:31.21 0.6 undecidable manual P 30 1.3103 90 0.05 99
ML.MSDA.BHE. 2023-01-26T01:43:31.30 1.0 undecidable manual P 41 1.3310 90 -0.22 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HNE. ML:3.5 0.00039200000000000004 1.5 AML other m 2023-01-26T01:44:03.09
IV.SSY.HHN. ML:4.0 0.00132 1.48 AML other m 2023-01-26T01:44:03.09
IV.HLNI.HHN. ML:2.9 0.0001007 0.66 AML other m 2023-01-26T01:44:04.40
IV.SSY.HHE. ML:3.6 0.0005304999999999999 0.68 AML other m 2023-01-26T01:44:06.87
IV.HLNI.HHE. ML:3.0 0.00011096061000000001 0.7 AML other m 2023-01-26T01:44:20.54
IV.SSY.HNN. ML:3.4 0.00033409829999999995 0.5896 AML other m 2023-01-26T01:44:10.60
IV.MUCR.HHE. ML:3.0 0.00008205753 0.78 AML other m 2023-01-26T01:44:12.50
IV.GALF.HHN. ML:3.6 0.00042600000000000005 0.76 AML other m 2023-01-26T01:44:15.47
IV.MSFR.HHE. ML:3.0 0.00007295 0.6 AML other m 2023-01-26T01:44:17.65
IV.GALF.HHE. ML:3.6 0.000375759 0.6 AML other m 2023-01-26T01:44:36.35
IV.MUCR.HHN. ML:3.2 0.00010855000000000001 0.54 AML other m 2023-01-26T01:44:21.70
IV.MSFR.HHN. ML:3.0 0.00007985 0.56 AML other m 2023-01-26T01:44:41.55
IV.PLLN.EHN. ML:3.8 0.000489 0.58 AML other m 2023-01-26T01:44:43.57
IV.PLLN.EHE. ML:3.7 0.00042236165 1.02 AML other m 2023-01-26T01:44:43.40
IV.HPAC.HHE. ML:3.7 0.0009994821500000002 0.94 AML other m 2023-01-26T01:44:16.57
IV.RAFF.HHE. ML:3.0 0.00014011387 0.82 AML other m 2023-01-26T01:44:01.22
IV.RAFF.HHN. ML:2.9 0.00012542134 0.7 AML other m 2023-01-26T01:44:06.41
IV.CPTP.HHN. ML:3.1 0.00017691415 0.88 AML other m 2023-01-26T01:44:24.27
IV.GALF.HNE. ML:3.1 0.000116986165 0.72 AML other m 2023-01-26T01:44:34.47
IV.GALF.HNN. ML:3.2 0.00016136275 1.04 AML other m 2023-01-26T01:44:12.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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