Earthquake with magnitude of ML 2.3 on date 13-05-2023 and time 05:48:46 (Italy) in region Tirreno Meridionale (MARE)

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

  • 13-05-2023 03:48:46 (UTC)
  • 13-05-2023 05:48:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7610, 14.3340 at 29 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 2.3 2023-05-13
03:48:46
38.7607 14.3343 29 2023-05-13
04:02:24
Sala Sismica INGV-Roma 117306331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-13 03:48:46 ± 0.77
Latitude 38.7607 ± 0.0522
Longitude 14.3343 ± 0.0300
Depth (km) 29 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117306331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5751
Semi-minor axis of confidence ellipse (meter) 2380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 5750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 305
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.53694
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 117306331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 04:02:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-05-13T03:49:44.31 3.0 undecidable manual Sn -0.35 0
IV.EPZF.HHZ. 2023-05-13T03:49:21.80 3.0 undecidable manual S 0
IV.SALB.HHZ. 2023-05-13T03:49:17.41 3.0 undecidable manual Pn -0.31 0
IV.RAFF.HHZ. 2023-05-13T03:49:12.98 1.0 undecidable manual P 179 170.5959 54 0.03 18
IV.HLNI.HHZ. 2023-05-13T03:49:11.34 1.0 undecidable manual P 163 163.5141 54 -0.73 16
IV.EPZF.HHZ. 2023-05-13T03:49:09.94 3.0 undecidable manual P 0
IV.RESU.HHZ. 2023-05-13T03:49:04.37 3.0 undecidable manual S -4.32 0
IV.PLLN.EHZ. 2023-05-13T03:49:02.31 0.6 undecidable manual P 191 86.8464 103 0.49 42
IV.IFIL.HHZ. 2023-05-13T03:48:59.17 0.1 undecidable manual S 136 30.1476 129 0.17 99
IV.CSLB.HHZ. 2023-05-13T03:48:59.95 3.0 undecidable manual S -4.16 0
IV.ECTS.HHZ. 2023-05-13T03:48:57.46 3.0 undecidable manual S -0.67 0
IV.IACL.HHZ. 2023-05-13T03:48:57.62 0.3 undecidable manual S 176 25.3524 134 -0.41 71
IV.MSRU.HHZ. 2023-05-13T03:48:56.42 3.0 undecidable manual P 0.28 0
7C.SPAOL.HNZ. 2023-05-13T03:48:56.56 3.0 undecidable manual P 0.78 0
IV.IFIL.HHZ. 2023-05-13T03:48:53.64 0.1 positive manual P 136 30.1476 129 -0.16 100
IV.IACL.HHZ. 2023-05-13T03:48:53.53 0.3 undecidable manual P 176 25.3524 134 0.29 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.3 0.00016502575 0.8992 AML other m 2023-05-13T03:49:09.54
IV.EPZF.HHN. ML:2.5 0.00022870325000000003 1.2224 AML other m 2023-05-13T03:49:18.83
IV.EPZF.HNE. ML:2.3 0.00016744685000000001 2.2016 AML other m 2023-05-13T03:49:11.03
IV.EPZF.HNN. ML:2.5 0.00025883315000000003 1.76 AML other m 2023-05-13T03:49:18.22
IV.IACL.HNN. ML:2.8 0.0026349999999999998 0.42 AML other m 2023-05-13T03:49:01.70
IV.IACL.HHN. ML:2.8 0.00243 0.42 AML other m 2023-05-13T03:49:01.70
IV.IACL.HNE. ML:2.6 0.0016619550000000001 0.5088 AML other m 2023-05-13T03:49:05.57
IV.IACL.HHE. ML:2.7 0.0021100000000000003 0.74 AML other m 2023-05-13T03:49:02.98
IV.MSRU.HHE. ML:2.2 0.000108833825 1.1008 AML other m 2023-05-13T03:49:24.17
IV.MSRU.HHN. ML:2.0 0.00008479283500000001 1.6224 AML other m 2023-05-13T03:49:04.35
IV.MSRU.HNE. ML:2.2 0.00012429465 2.08 AML other m 2023-05-13T03:49:02.38
IV.MSRU.HNN. ML:2.2 0.00012376879999999999 1.2512 AML other m 2023-05-13T03:49:04.98
IV.HLNI.HHE. ML:1.9 0.00003493235 1.3216 AML other m 2023-05-13T03:49:32.54
IV.HLNI.HHN. ML:2.1 0.00004868684 2.0992 AML other m 2023-05-13T03:49:34.04
IV.HLNI.HNE. ML:2.4 0.00010481338500000001 1.4272 AML other m 2023-05-13T03:49:15.03
IV.HLNI.HNN. ML:2.4 0.00010075118499999999 0.96 AML other m 2023-05-13T03:49:26.21
IV.RAFF.HNE. ML:2.1 0.00005130117500000001 2.16 AML other m 2023-05-13T03:49:25.09
IV.RAFF.HNN. ML:2.3 0.00008237462000000001 2.4288 AML other m 2023-05-13T03:49:23.25
IV.RAFF.HHE. ML:2.2 0.000063103715 2.7008 AML other m 2023-05-13T03:49:35.17
IV.RAFF.HHN. ML:2.3 0.00008101634499999999 2.6592 AML other m 2023-05-13T03:49:20.11
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