Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-12-2023 and time 04:57:37 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 1.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 30-12-2023 03:57:37 (UTC)
  • 30-12-2023 04:57:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.6070, 15.2680 at 18 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
92 Km W of Cosenza (67546 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 1.3 2023-12-30
03:57:37		 39.6067 15.2683 18 2023-12-30
04:06:03		 Sala Sismica INGV-Roma 124348011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-30 03:57:37 ± 0.33
Latitude 39.6067 ± 0.0117
Longitude 15.2683 ± 0.0198
Depth (km) 18 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124348011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1713
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88403
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 124348011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-30 04:06:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-12-30T03:58:06.77 0.6 undecidable manual S 111 98.124 95 0.43 58
IV.SIRI.HHZ. 2023-12-30T03:58:02.72 0.6 undecidable manual S 38 81.6516 96 0.75 53
XE.SHEVA.HHZ. 2023-12-30T03:58:01.38 0.6 undecidable manual S 73 80.1642 96 -0.19 62
XE.MORMA.HHZ. 2023-12-30T03:57:58.40 0.6 undecidable manual S 64 66.7776 98 0.39 62
XE.T0702.HHZ. 2023-12-30T03:57:58.30 0.6 undecidable manual S 79 70.7736 97 -0.77 53
MN.CUC.HHZ. 2023-12-30T03:57:57.14 0.6 undecidable manual S 47 63.3921 98 0.02 67
IV.CET2.HHZ. 2023-12-30T03:57:55.69 0.6 undecidable manual S 98 59.2962 99 -0.35 63
IV.SPS2.HHZ. 2023-12-30T03:57:54.98 0.6 undecidable manual P 111 98.124 95 0.78 51
IV.BULG.HHZ. 2023-12-30T03:57:53.88 0.6 undecidable manual S 10 53.1024 100 -0.54 60
IV.GRIS.EHZ. 2023-12-30T03:57:53.45 0.6 undecidable manual S 73 52.1034 100 -0.69 57
IV.CDRU.HHZ. 2023-12-30T03:57:53.95 3.0 undecidable manual P -0.77 0
IV.SIRI.HHZ. 2023-12-30T03:57:52.34 0.6 undecidable manual P 38 81.6516 96 0.66 56
XE.SHEVA.HHZ. 2023-12-30T03:57:51.52 0.6 undecidable manual P 73 80.1642 96 0.08 64
XE.MORMA.HHZ. 2023-12-30T03:57:49.31 0.3 undecidable manual P 64 66.7776 98 -0.08 98
MN.CUC.HHZ. 2023-12-30T03:57:49.55 0.6 undecidable manual P 47 63.3921 98 0.67 57
XE.T0702.HHZ. 2023-12-30T03:57:49.71 0.6 undecidable manual P 79 70.7736 97 -0.29 62
IV.CET2.HHZ. 2023-12-30T03:57:48.23 0.3 undecidable manual P 98 59.2962 99 -0.02 100
IV.BULG.HHZ. 2023-12-30T03:57:47.15 0.6 undecidable manual P 10 53.1024 100 -0.17 65
IV.GRIS.EHZ. 2023-12-30T03:57:46.75 0.6 undecidable manual P 73 52.1034 100 -0.41 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HHE. ML:1.2 0.000034049999999999994 0.44 AML other m 2023-12-30T03:57:55.40
IV.BULG.HHN. ML:1.5 0.00007549999999999999 1.5 AML other m 2023-12-30T03:57:56.86
IV.CET2.HHN. ML:1.8 0.00013900000000000002 1.16 AML other m 2023-12-30T03:57:57.18
IV.CET2.HHE. ML:1.4 0.00004869999999999999 1.26 AML other m 2023-12-30T03:57:57.07
XE.T0702.HHN. ML:1.3 0.00003645 0.32 AML other m 2023-12-30T03:57:59.91
XE.MORMA.HHE. ML:1.4 0.0000432 1.7 AML other m 2023-12-30T03:58:00.01
XE.T0702.HHE. ML:1.2 0.00002305 0.28 AML other m 2023-12-30T03:58:00.47
XE.MORMA.HHN. ML:1.2 0.0000303 1.36 AML other m 2023-12-30T03:58:01.95
XE.SHEVA.HHN. ML:1.2 0.0000201 0.9 AML other m 2023-12-30T03:58:03.34
XE.SHEVA.HHE. ML:1.2 0.0000206 0.48 AML other m 2023-12-30T03:58:04.38
IV.SIRI.HHN. ML:1.4 0.0000322 0.6 AML other m 2023-12-30T03:58:05.46
IV.SIRI.HHE. ML:1.5 0.000041349999999999995 0.24 AML other m 2023-12-30T03:58:06.36
IV.SPS2.HHE. ML:1.2 0.0000126 0.26 AML other m 2023-12-30T03:58:10.19
IV.SPS2.HHN. ML:1.3 0.000020799999999999997 1.76 AML other m 2023-12-30T03:58:11.03
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