Earthquake with magnitude of ML 3.6 on date 23-01-2023 and time 12:49:23 (UTC) in region Malta [Sea]

A magnitude ML 3.6 earthquake occured in region: Malta [Sea], on

  • 23-01-2023 12:49:23 (UTC)
  • 23-01-2023 13:49:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 34.8950, 14.0650 at 15 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 3.6 2023-01-23
12:49:23
34.8947 14.0648 15 2023-01-23
13:00:37
Sala Sismica INGV-Roma 113742531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-23 12:49:23 ± 0.46
Latitude 34.8947 ± 0.0252
Longitude 14.0648 ± 0.0614
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113742531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6049
Semi-minor axis of confidence ellipse (meter) 1275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 6050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 342
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.53699
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 14
Magnitude information

ML:3.6

Field Value
Value 3.6
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 113742531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-23 13:00:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2023-01-23T12:51:36.76 3.0 undecidable manual Sg 5.11 0
IV.CAMP.HHZ. 2023-01-23T12:51:29.49 3.0 positive manual Pg 12.69 0
IV.CIMA.HNZ. 2023-01-23T12:51:28.83 3.0 negative manual Pn 1.92 0
IV.TDS.HHZ. 2023-01-23T12:51:23.37 3.0 undecidable manual Sg 1.01 0
AC.VLO.HHZ. 2023-01-23T12:51:09.96 3.0 negative manual Pn 1.95 0
7C.CSGE1.HNZ. 2023-01-23T12:50:51.06 3.0 undecidable manual Sg -0.17 0
IV.VCRE.HHZ. 2023-01-23T12:50:50.01 3.0 undecidable manual Pn -2.32 0
IV.MTGR.HHZ. 2023-01-23T12:50:47.26 3.0 undecidable manual Sg 0.09 0
IV.HVZN.HHZ. 2023-01-23T12:50:30.86 0.1 undecidable manual S 13 2.3418 54 0.45 45
IV.HVIT.HHE. 2023-01-23T12:50:25.30 0.3 undecidable manual S 10 2.1287 54 -0.01 44
IV.PLAC.HHZ. 2023-01-23T12:50:25.13 3.0 negative manual Pn -0.75 0
IV.HPAC.HHZ. 2023-01-23T12:50:22.28 0.3 undecidable manual S 23 1.9767 54 0.61 43
IV.CROCE.HHE. 2023-01-23T12:50:20.34 0.3 undecidable manual S 11 1.9740 54 -1.26 32
IV.IVPL.HHZ. 2023-01-23T12:50:19.29 3.0 positive manual Pn 0.21 0
IV.SOI.EHZ. 2023-01-23T12:50:18.68 3.0 positive manual Pn -0.6 0
IV.MUCR.HHZ. 2023-01-23T12:50:15.05 3.0 positive manual Pg 0.65 0
IV.SOLUN.HHZ. 2023-01-23T12:50:15.77 3.0 negative manual Pn -1.89 0
IV.GIB.HHZ. 2023-01-23T12:50:15.23 3.0 positive manual Pn 0.81 0
IV.PLLN.EHZ. 2023-01-23T12:50:14.67 3.0 undecidable manual Pn 0.53 0
IV.MSFR.HHZ. 2023-01-23T12:50:14.62 3.0 negative manual Pg 0.5 0
IV.AIO.HHZ. 2023-01-23T12:50:14.80 3.0 positive manual Pn 0.58 0
IV.EPZF.HHZ. 2023-01-23T12:50:13.06 3.0 negative manual Pg 1.66 0
IV.HLNI.HHZ. 2023-01-23T12:50:04.00 0.3 undecidable manual P 15 2.5370 54 -0.83 24
IV.SSY.HHZ. 2023-01-23T12:50:03.12 0.1 undecidable manual P 20 2.4039 54 0.13 45
IV.RAFF.HHZ. 2023-01-23T12:50:02.42 0.1 undecidable manual P 6 2.3391 54 0.33 46
IV.HVZN.HHZ. 2023-01-23T12:50:02.33 0.3 undecidable manual P 13 2.3418 54 0.19 35
IV.HSRS.HHE. 2023-01-23T12:50:02.81 0.1 undecidable manual P 23 2.3877 54 0.04 46
1J.FX01.HHE. 2023-01-23T12:50:02.90 0.3 undecidable manual P 24 2.3805 54 0.23 34
IV.HMDC.HHE. 2023-01-23T12:50:00.00 0.3 undecidable manual P 16 2.1431 54 0.61 38
ML.XLND.BHE. 2023-01-23T12:50:00.22 0.1 undecidable manual S 6 1.1439 92 0.34 95
IV.ACATE.EHE. 2023-01-23T12:49:59.66 0.1 undecidable manual P 9 2.1575 54 0.08 57
IV.HAVL.HHE. 2023-01-23T12:49:59.32 0.3 undecidable manual P 22 2.2339 54 -1.32 25
IV.HVIT.HHE. 2023-01-23T12:49:58.65 0.1 undecidable manual P 10 2.1287 54 -0.54 53
ML.MSDA.BHE. 2023-01-23T12:49:57.29 0.1 undecidable manual S 19 1.0621 92 -0.17 100
IV.HPAC.HHZ. 2023-01-23T12:49:57.96 0.1 undecidable manual P 23 1.9767 54 0.88 51
IV.CROCE.HHE. 2023-01-23T12:49:56.45 0.1 undecidable manual P 11 1.9740 54 -0.6 58
ML.XLND.BHE. 2023-01-23T12:49:44.61 0.1 undecidable manual P 6 1.1439 92 0.11 99
ML.MSDA.BHE. 2023-01-23T12:49:42.85 0.1 undecidable manual P 19 1.0621 92 -0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHN. ML:3.9 0.001861585 0.3392 AML other m 2023-01-23T12:50:31.47
IV.HPAC.HHE. ML:3.9 0.002078922 0.32 AML other m 2023-01-23T12:50:33.48
IV.EPZF.HHN. ML:3.6 0.00041271945 0.576 AML other m 2023-01-23T12:51:04.51
IV.HVZN.HHE. ML:3.9 0.0013493255 0.576 AML other m 2023-01-23T12:50:46.73
IV.HVZN.HNE. ML:3.9 0.0013355945 0.8576 AML other m 2023-01-23T12:50:44.65
IV.SSY.HNE. ML:4.2 0.0024419000000000003 0.4352 AML other m 2023-01-23T12:50:47.67
IV.HVZN.HHN. ML:3.8 0.001103621 0.4992 AML other m 2023-01-23T12:50:38.24
IV.HVZN.HNN. ML:3.8 0.0011200000000000001 0.5 AML other m 2023-01-23T12:50:38.24
IV.RAFF.HHN. ML:3.6 0.0006849753000000001 0.576 AML other m 2023-01-23T12:50:52.64
IV.SSY.HHE. ML:4.6 0.006296844 0.6016 AML other m 2023-01-23T12:50:51.13
IV.RAFF.HHE. ML:3.6 0.0007299317 0.5824 AML other m 2023-01-23T12:50:46.66
IV.SSY.HHN. ML:4.5 0.0051643850000000005 0.4032 AML other m 2023-01-23T12:50:47.46
IV.SSY.HNN. ML:4.1 0.0021641909999999998 0.5312 AML other m 2023-01-23T12:50:51.17
IV.IVPL.HNN. ML:3.5 0.00019442304999999998 0.2112 AML other m 2023-01-23T12:51:10.17
IV.HLNI.HHN. ML:3.4 0.00035395685 0.3648 AML other m 2023-01-23T12:50:38.00
IV.HLNI.HHE. ML:3.3 0.00029751685 0.2176 AML other m 2023-01-23T12:50:40.91
IV.GIB.HHN. ML:3.7 0.00045200000000000004 1.48 AML other m 2023-01-23T12:50:58.78
IV.PLLN.EHE. ML:3.8 0.0005175000000000001 1.02 AML other m 2023-01-23T12:51:01.59
IV.MUCR.HHN. ML:3.4 0.000184 0.4 AML other m 2023-01-23T12:51:02.72
IV.EPZF.HHE. ML:3.5 0.0002803294 0.9984 AML other m 2023-01-23T12:51:03.23
IV.GIB.HHE. ML:3.9 0.0007765 0.74 AML other m 2023-01-23T12:51:04.81
IV.PLLN.EHN. ML:3.9 0.0006765 0.54 AML other m 2023-01-23T12:51:06.31
IV.SOLUN.HHE. ML:3.5 0.000253 0.56 AML other m 2023-01-23T12:51:06.62
IV.MUCR.HHE. ML:3.4 0.0001965 1.38 AML other m 2023-01-23T12:51:07.22
IV.SOLUN.HHN. ML:3.4 0.0001782067 0.6016 AML other m 2023-01-23T12:50:16.69
IV.SOI.EHE. ML:3.2 0.00009266232 0.9792 AML other m 2023-01-23T12:51:05.19
IV.IVPL.HNE. ML:3.4 0.00015318013 0.1856 AML other m 2023-01-23T12:51:10.16
IV.PLAC.HHE. ML:3.2 0.00006559577499999999 0.6784 AML other m 2023-01-23T12:51:27.72
IV.SOI.EHN. ML:3.1 0.00007967866 0.9792 AML other m 2023-01-23T12:51:11.23
IV.PLAC.HHN. ML:3.4 0.00009755 1.46 AML other m 2023-01-23T12:51:29.18
IV.MSFR.HHE. ML:3.0 0.000090208825 1.3632 AML other m 2023-01-23T12:50:58.77
IV.MSFR.HHN. ML:3.0 0.00007917849500000001 0.864 AML other m 2023-01-23T12:51:07.10
IV.AIO.HHN. ML:3.2 0.00011443259999999999 0.3776 AML other m 2023-01-23T12:50:57.97
IV.IVPL.HHE. ML:3.7 0.00032067475 1.0816 AML other m 2023-01-23T12:51:12.55
IV.IVPL.HHN. ML:3.7 0.00032164835 0.9984 AML other m 2023-01-23T12:50:42.29
IV.PLAC.HNE. ML:3.3 0.0000748278 0.8896 AML other m 2023-01-23T12:51:17.84
IV.PLAC.HNN. ML:3.5 0.000118817945 0.5696 AML other m 2023-01-23T12:51:28.93
IV.VCRE.HHE. ML:0.0 0.0014031820000000002 1.2032 AML other m 2023-01-23T12:51:14.52
IV.VCRE.HHN. ML:0.0 0.00108976775 1.2224 AML other m 2023-01-23T12:51:30.19
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