Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 07-01-2023 and time 02:48:32 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 07-01-2023 01:48:32 (UTC)
  • 07-01-2023 02:48:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6360, 13.4510 at 36 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.

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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
58 Km N of Palermo (674435 inhabitants)
62 Km N 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
Bulletin
Rev1000 		ML 2.0 2023-01-07
01:48:32		 38.6357 13.4508 36 2024-03-01
17:17:54		 Bollettino Sismico Italiano INGV 114140231
Reviewed
Rev100 		ML 2.0 2023-01-07
01:48:32		 38.6388 13.4795 36 2023-01-07
01:59:08		 Sala Sismica INGV-Roma 113359491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-07 01:48:32 ± 0.17
Latitude 38.6357 ± 0.0162
Longitude 13.4508 ± 0.0311
Depth (km) 36 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114140231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2843
Semi-minor axis of confidence ellipse (meter) 1545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 2840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.22393
Epicentral distance of station farthest from the epicenter (degree) 1.07739
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 114140231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-02 13:03:58

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113359491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-07 01:59:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.HHZ. 2023-01-07T01:48:59.44 0.6 undecidable manual S 146 93.7395 54 -0.49 41
IV.GIB.HHZ. 2023-01-07T01:48:58.55 0.6 undecidable manual S 145 87.3459 54 0 46
IV.IACL.HHZ. 2023-01-07T01:48:57.40 0.6 undecidable manual S 98 79.2651 54 0.61 40
IV.SOLUN.HHZ. 2023-01-07T01:48:52.83 0.6 undecidable manual S 173 60.6948 117 0.36 45
IV.MSFR.HHZ. 2023-01-07T01:48:51.93 0.3 undecidable manual P 124 119.5914 54 0.51 57
IV.MPG.HHZ. 2023-01-07T01:48:50.04 0.6 undecidable manual S 189 53.2023 120 -0.65 41
IV.CSLB.HHZ. 2023-01-07T01:48:48.19 0.1 undecidable manual P 146 93.7395 54 -0.01 90
IV.PLLN.EHZ. 2023-01-07T01:48:48.56 0.3 undecidable manual P 140 93.3399 54 0.41 62
IV.IFIL.HHZ. 2023-01-07T01:48:48.32 0.1 undecidable manual P 94 97.8243 54 -0.38 83
IV.GIB.HHZ. 2023-01-07T01:48:47.51 0.3 undecidable manual P 145 87.3459 54 0.1 67
IV.IACL.HHZ. 2023-01-07T01:48:45.75 0.3 undecidable manual P 98 79.2651 54 -0.64 59
IV.SOLUN.HHZ. 2023-01-07T01:48:44.15 0.3 undecidable manual P 173 60.6948 117 0.25 68
IV.USI.HHZ. 2023-01-07T01:48:44.91 0.6 undecidable manual S 289 24.8529 143 -0.02 51
IV.MPG.HHZ. 2023-01-07T01:48:42.70 0.3 undecidable manual P 189 53.2023 120 -0.17 70
IV.USI.HHZ. 2023-01-07T01:48:39.66 0.1 undecidable manual P 289 24.8529 143 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHN. ML:2.7 0.001635 0.44 AML other m 2023-01-07T01:48:46.39
IV.USI.HHE. ML:2.1 0.000384 0.16 AML other m 2023-01-07T01:48:46.66
IV.MPG.HHE. ML:1.8 0.00010910000000000001 1.16 AML other m 2023-01-07T01:48:51.94
IV.MPG.HHN. ML:1.7 0.000097 0.9 AML other m 2023-01-07T01:48:51.49
IV.SOLUN.HHE. ML:1.9 0.0001295 1.22 AML other m 2023-01-07T01:48:53.12
IV.SOLUN.HHN. ML:1.7 0.00008605 0.82 AML other m 2023-01-07T01:48:53.17
IV.IACL.HHN. ML:2.1 0.00013900000000000002 0.52 AML other m 2023-01-07T01:48:59.65
IV.IACL.HHE. ML:2.0 0.00012384999999999997 0.48 AML other m 2023-01-07T01:49:01.16
IV.GIB.HHE. ML:2.2 0.0001895 1.52 AML other m 2023-01-07T01:49:05.10
IV.PLLN.EHE. ML:1.9 0.00008340000000000001 1 AML other m 2023-01-07T01:49:05.67
IV.IFIL.HHN. ML:2.0 0.00009315 0.34 AML other m 2023-01-07T01:49:06.05
IV.GIB.HHN. ML:2.0 0.000118 0.46 AML other m 2023-01-07T01:49:06.72
IV.IFIL.HHE. ML:2.4 0.0002405 1.06 AML other m 2023-01-07T01:49:08.96
IV.PLLN.EHN. ML:2.2 0.00014150000000000002 1.44 AML other m 2023-01-07T01:49:09.06
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
Waveforms Seismic signals in miniseed + resp format Download