Earthquake with magnitude of ML 2.5 on date 23-09-2023 and time 03:05:01 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-09-2023 01:05:01 (UTC)
  • 23-09-2023 03:05:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9870, 15.2930 at 178 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
89 Km W of Lamezia Terme (70714 inhabitants)
90 Km W of Cosenza (67546 inhabitants)
91 Km N of Messina (238439 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 2.5 2023-09-23
01:05:01
38.9872 15.2932 178 2023-09-23
01:16:44
Sala Sismica INGV-Roma 121374641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-23 01:05:01 ± 0.33
Latitude 38.9872 ± 0.0369
Longitude 15.2932 ± 0.1180
Depth (km) 178 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121374641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 10497
Semi-minor axis of confidence ellipse (meter) 3210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 10500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.05041
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 121374641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-23 01:16:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2023-09-23T01:06:45.37 3.0 undecidable manual Sn 9.45 0
IV.PTRJ.HHZ. 2023-09-23T01:06:37.26 3.0 undecidable manual Sg 18.75 0
IV.AMUR.HHZ. 2023-09-23T01:06:08.05 3.0 undecidable manual Sn -0.96 0
IV.PTRJ.HHZ. 2023-09-23T01:06:00.92 3.0 undecidable manual Pg 14.51 0
IV.SOI.EHZ. 2023-09-23T01:05:50.74 3.0 undecidable manual Sn 0.06 0
IY.CHCE.HHZ.00 2023-09-23T01:05:48.66 0.6 undecidable manual S 109 102.5196 148 0.16 51
IV.GRI.EHZ. 2023-09-23T01:05:48.74 0.6 undecidable manual S 100 99.0231 149 0.64 45
IV.SPS2.HHZ. 2023-09-23T01:05:47.70 0.6 undecidable manual S 69 96.0261 150 -0.09 52
IV.CAR1.HHZ. 2023-09-23T01:05:46.14 0.6 undecidable manual S 69 84.3489 153 -0.45 50
IV.CET2.HHZ. 2023-09-23T01:05:46.72 0.6 undecidable manual S 43 82.6506 154 0.29 51
IV.GIZZ.HHZ. 2023-09-23T01:05:45.58 0.6 undecidable manual S 90 78.8655 155 -0.49 50
IV.IFIL.HHZ. 2023-09-23T01:05:43.08 3.0 negative manual Pg 13.14 0
IV.MUCR.HHZ. 2023-09-23T01:05:40.78 3.0 undecidable manual Pn 8.96 0
IV.AMUR.HHZ. 2023-09-23T01:05:38.03 3.0 undecidable manual Pn -3.04 0
IV.PZUN.HHZ. 2023-09-23T01:05:34.96 3.0 positive manual Pn -1.51 0
IV.PIPA.HHZ. 2023-09-23T01:05:31.20 3.0 positive manual Pg 0.33 0
MN.CUC.HHZ. 2023-09-23T01:05:30.80 3.0 positive manual Pn 0.6 0
IY.MCDA.HHZ.00 2023-09-23T01:05:30.19 3.0 negative manual Pg -0.03 0
XE.T0702.HHZ. 2023-09-23T01:05:29.42 3.0 positive manual P 0.68 0
IV.SOI.EHZ. 2023-09-23T01:05:29.88 3.0 positive manual Pn -0.89 0
IV.SELL.HHZ. 2023-09-23T01:05:29.17 0.3 positive manual P 90 115.0959 145 -0.14 75
IV.TDS.HHN. 2023-09-23T01:05:29.66 1.0 undecidable manual P 50 116.5944 145 0.23 24
IV.SERS.HHZ. 2023-09-23T01:05:29.45 3.0 negative manual Pg 0.17 0
IV.PLAC.HHZ. 2023-09-23T01:05:29.04 0.1 positive manual P 121 115.6953 145 -0.32 96
IV.CELI.HHZ. 2023-09-23T01:05:28.80 1.0 positive manual P 66 114.1968 145 -0.45 23
IV.SPS2.HHZ. 2023-09-23T01:05:28.23 0.6 negative manual P 69 96.0261 150 0.18 51
IY.CHCE.HHZ.00 2023-09-23T01:05:28.70 0.1 undecidable manual P 109 102.5196 148 0.24 100
IV.GRI.EHZ. 2023-09-23T01:05:28.71 1.0 undecidable manual P 100 99.0231 149 0.48 24
IY.SPDC.HHN. 2023-09-23T01:05:27.41 1.0 undecidable manual P 125 88.7445 152 -0.2 26
IV.CET2.HHZ. 2023-09-23T01:05:27.53 1.0 undecidable manual P 43 82.6506 154 0.27 26
IV.CAR1.HHZ. 2023-09-23T01:05:27.11 0.3 positive manual P 69 84.3489 153 -0.25 78
IV.GIZZ.HHZ. 2023-09-23T01:05:27.28 0.3 positive manual P 90 78.8655 155 0.22 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:2.8 0.00021550000000000003 0.92 AML other m 2023-09-23T01:05:46.85
IV.GIZZ.HHE. ML:2.8 0.00022749999999999997 1.48 AML other m 2023-09-23T01:05:47.90
IV.CET2.HHE. ML:2.6 0.000125 0.8 AML other m 2023-09-23T01:05:47.88
IV.GIZZ.HHN. ML:2.7 0.00016499999999999997 0.62 AML other m 2023-09-23T01:05:48.04
IV.CET2.HHN. ML:3.1 0.00042699999999999997 0.88 AML other m 2023-09-23T01:05:48.05
IV.SPS2.HHN. ML:2.2 0.00004595 0.82 AML other m 2023-09-23T01:05:48.78
IV.SPS2.HHE. ML:2.4 0.00007384999999999999 0.24 AML other m 2023-09-23T01:05:48.96
IV.PLAC.HHE. ML:2.5 0.00007994999999999999 1.26 AML other m 2023-09-23T01:05:50.71
IY.CHCE.HHN.00 ML:2.7 0.0001475 0.3 AML other m 2023-09-23T01:05:50.15
IV.CAR1.HHN. ML:2.7 0.00014450000000000002 0.5 AML other m 2023-09-23T01:05:50.07
XE.T0702.HHE. ML:2.5 0.00007944999999999999 1.06 AML other m 2023-09-23T01:05:50.44
XE.T0702.HHN. ML:2.4 0.00007230000000000001 0.8 AML other m 2023-09-23T01:05:50.09
IV.PLAC.HHN. ML:2.4 0.0000641 0.64 AML other m 2023-09-23T01:05:50.31
IY.CHCE.HHE.00 ML:2.7 0.0001385 1.62 AML other m 2023-09-23T01:05:51.86
IV.SERS.HHN. ML:2.2 0.00004065 0.74 AML other m 2023-09-23T01:05:51.53
IV.CELI.HHN. ML:2.3 0.000050100000000000005 1.06 AML other m 2023-09-23T01:05:53.29
IV.SOI.EHE. ML:2.4 0.00006284999999999998 0.64 AML other m 2023-09-23T01:05:53.46
IV.CELI.HHE. ML:2.2 0.000042300000000000005 1.08 AML other m 2023-09-23T01:05:54.27
IV.SERS.HHE. ML:2.3 0.000050249999999999995 1.24 AML other m 2023-09-23T01:05:55.35
IV.SOI.EHN. ML:2.2 0.00003955 1.66 AML other m 2023-09-23T01:05:56.96
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