Earthquake with magnitude of ML 2.3 on date 31-12-2023 and time 01:29:05 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 31-12-2023 01:29:05 (UTC)
  • 31-12-2023 02:29:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7260, 14.2700 at 9 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

An earthquake occurred to
98 Km NE of Bagheria (55387 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 2.3 2023-12-31
01:29:05
38.7257 14.2702 9 2023-12-31
01:36:04
Sala Sismica INGV-Roma 124368101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 01:29:05 ± 0.45
Latitude 38.7257 ± 0.0189
Longitude 14.2702 ± 0.0196
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124368101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2137
Semi-minor axis of confidence ellipse (meter) 1468
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 2140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.58550
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 124368101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 01:36:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HNZ. 2023-12-31T01:30:04.30 3.0 negative manual Pg 8.13 0
IV.MUCR.HHZ. 2023-12-31T01:29:33.25 0.6 undecidable manual S 145 92.1411 50 0.21 44
IV.HVZN.HHZ. 2023-12-31T01:29:33.71 0.6 negative manual P 167 175.9905 50 -0.59 32
IV.LIBRI.HHZ. 2023-12-31T01:29:32.37 0.3 undecidable manual S 141 91.3419 50 -0.46 63
IV.RAFF.HHZ. 2023-12-31T01:29:32.57 1.0 negative manual P 177 166.9107 50 -0.33 18
IV.HLNI.HHZ. 2023-12-31T01:29:31.11 0.1 undecidable manual P 161 161.5161 50 -0.96 58
IV.PLLN.EHZ. 2023-12-31T01:29:31.01 0.6 undecidable manual S 188 82.0512 50 0.66 40
IV.EPZF.HHZ. 2023-12-31T01:29:25.23 0.1 undecidable manual P 153 112.2987 50 0.75 72
IV.GALF.HHZ. 2023-12-31T01:29:25.53 0.6 negative manual P 167 115.4955 50 0.56 39
IV.AIO.HHZ. 2023-12-31T01:29:24.61 0.3 positive manual P 135 118.3926 50 -0.81 52
IV.ISNA.HHZ. 2023-12-31T01:29:23.58 0.6 undecidable manual S 111 53.7018 50 0.81 39
IV.MUCR.HHZ. 2023-12-31T01:29:21.10 0.1 negative manual P 145 92.1411 50 -0.27 88
IV.MILZ.HHZ. 2023-12-31T01:29:21.54 0.1 positive manual P 121 97.5246 50 -0.65 78
IV.CSLB.HHZ. 2023-12-31T01:29:20.71 0.1 undecidable manual P 192 89.3439 50 -0.23 89
IV.PLLN.EHZ. 2023-12-31T01:29:20.13 0.6 positive manual P 188 82.0512 50 0.31 44
IV.GIB.HHZ. 2023-12-31T01:29:20.35 0.1 undecidable manual P 195 84.3489 50 0.19 91
IV.LIBRI.HHZ. 2023-12-31T01:29:20.80 0.6 negative manual P 141 91.3419 50 -0.45 42
IV.IVUG.HHZ. 2023-12-31T01:29:18.46 0.1 undecidable manual P 120 72.0723 50 0.18 93
IV.IVGP.HHZ. 2023-12-31T01:29:18.11 0.1 undecidable manual P 121 70.1742 50 0.13 94
IV.ISNA.HHZ. 2023-12-31T01:29:15.90 0.1 positive manual P 111 53.7018 50 0.46 90
IV.IACL.HHZ. 2023-12-31T01:29:13.76 0.3 undecidable manual S 161 22.5552 111 -0.07 78
IV.IACL.HHZ. 2023-12-31T01:29:10.53 0.1 undecidable manual P 161 22.5552 111 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ISNA.HHN. ML:2.9 0.00181 0.4 AML other m 2023-12-31T01:29:26.74
IV.ISNA.HHE. ML:3.1 0.00316 0.42 AML other m 2023-12-31T01:29:29.56
IV.IVUG.HHN. ML:1.9 0.0001395 0.3 AML other m 2023-12-31T01:29:29.22
IV.IVGP.HHE. ML:2.2 0.00028500000000000004 0.58 AML other m 2023-12-31T01:29:31.54
IV.LIBRI.HHE. ML:2.3 0.00021650000000000003 0.42 AML other m 2023-12-31T01:29:33.54
IV.LIBRI.HNE. ML:2.8 0.0008070000000000001 0.24 AML other m 2023-12-31T01:29:33.50
IV.MUCR.HHN. ML:2.6 0.00045999999999999996 0.36 AML other m 2023-12-31T01:29:33.53
IV.MILZ.HHE. ML:2.5 0.0002965 0.48 AML other m 2023-12-31T01:29:33.63
IV.LIBRI.HHN. ML:2.2 0.00020050000000000002 1.26 AML other m 2023-12-31T01:29:34.09
IV.PLLN.EHE. ML:2.1 0.0001705 0.6 AML other m 2023-12-31T01:29:34.36
IV.MUCR.HHE. ML:2.5 0.0003905 0.3 AML other m 2023-12-31T01:29:34.40
IV.PLLN.EHN. ML:2.2 0.000237 0.38 AML other m 2023-12-31T01:29:34.69
IV.IVGP.HHN. ML:2.1 0.00021300000000000003 1.14 AML other m 2023-12-31T01:29:35.63
IV.CSLB.HHE. ML:1.8 0.00008175000000000001 1 AML other m 2023-12-31T01:29:35.90
IV.CSLB.HNE. ML:1.8 0.0000819 1 AML other m 2023-12-31T01:29:35.90
IV.GIB.HHE. ML:2.2 0.0001915 0.74 AML other m 2023-12-31T01:29:35.05
IV.LIBRI.HNN. ML:2.7 0.000584 0.58 AML other m 2023-12-31T01:29:35.20
IV.IVUG.HHE. ML:2.0 0.00014800000000000002 1.38 AML other m 2023-12-31T01:29:36.10
IV.CSLB.HHN. ML:1.6 0.00005135 1.26 AML other m 2023-12-31T01:29:36.76
IV.GIB.HHN. ML:2.1 0.00017549999999999998 0.46 AML other m 2023-12-31T01:29:37.50
IV.CSLB.HNN. ML:1.7 0.00005645 0.92 AML other m 2023-12-31T01:29:37.96
IV.MILZ.HHN. ML:2.1 0.0001204 0.32 AML other m 2023-12-31T01:29:39.31
IV.AIO.HHN. ML:2.7 0.000382 0.38 AML other m 2023-12-31T01:29:41.22
IV.AIO.HHE. ML:2.5 0.00023099999999999998 0.5 AML other m 2023-12-31T01:29:42.66
IV.EPZF.HNE. ML:2.5 0.000283 0.8 AML other m 2023-12-31T01:29:45.66
IV.EPZF.HHE. ML:2.6 0.0003075 0.8 AML other m 2023-12-31T01:29:45.29
IV.EPZF.HHN. ML:2.6 0.0003275 0.38 AML other m 2023-12-31T01:29:45.73
IV.EPZF.HNN. ML:2.7 0.00038500000000000003 1.02 AML other m 2023-12-31T01:29:47.15
IV.GALF.HHN. ML:2.4 0.000203 1.46 AML other m 2023-12-31T01:29:49.17
IV.HLNI.HHE. ML:2.0 0.00003815 0.6 AML other m 2023-12-31T01:29:52.34
IV.GALF.HHE. ML:2.3 0.00015350000000000002 0.78 AML other m 2023-12-31T01:29:52.04
IV.HLNI.HHN. ML:2.0 0.0000434 0.84 AML other m 2023-12-31T01:29:55.96
IV.RAFF.HHN. ML:2.1 0.0000572 0.84 AML other m 2023-12-31T01:29:55.54
IV.RAFF.HHE. ML:2.1 0.0000516 0.68 AML other m 2023-12-31T01:29:57.85
IV.HVZN.HHE. ML:2.3 0.00006950000000000001 1.04 AML other m 2023-12-31T01:29:58.14
IV.SSY.HHN. ML:2.7 0.00016199999999999998 0.28 AML other m 2023-12-31T01:30:05.46
IV.SSY.HHE. ML:2.3 0.00006809999999999999 0.74 AML other m 2023-12-31T01:30:06.38
IV.HVZN.HHN. ML:2.4 0.0000859 1.6 AML other m 2023-12-31T01:30:07.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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