Earthquake with magnitude of ML 2.1 on date 07-08-2023 and time 23:39:27 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 07-08-2023 21:39:27 (UTC)
  • 07-08-2023 23:39:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8440, 15.5180 at 84 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
71 Km W of Lamezia Terme (70714 inhabitants)
72 Km N of Messina (238439 inhabitants)
81 Km SW of Cosenza (67546 inhabitants)
82 Km N of Reggio di Calabria (183035 inhabitants)
94 Km W of Catanzaro (90612 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 2.1 2023-08-07
21:39:27
38.8443 15.518 84 2023-08-07
21:53:52
Sala Sismica INGV-Roma 119929291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-07 21:39:27 ± 0.28
Latitude 38.8443 ± 0.0072
Longitude 15.5180 ± 0.0242
Depth (km) 84 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119929291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2018
Semi-minor axis of confidence ellipse (meter) 571
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 2020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
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) 0.93260
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 119929291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-07 21:53:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.HHZ. 2023-08-07T21:41:20.66 3.0 undecidable manual Sg 14.65 0
IV.SFI.EHZ. 2023-08-07T21:41:09.76 3.0 undecidable manual Pg 15.2 0
HL.ITM.HHZ. 2023-08-07T21:40:50.52 3.0 undecidable manual Pn 4.14 0
IV.CAMP.HHZ. 2023-08-07T21:40:37.69 3.0 undecidable manual Pg 7.13 0
IV.MMO1.EHZ. 2023-08-07T21:40:33.39 3.0 undecidable manual Pn -2.04 0
IV.NOCI.HHZ. 2023-08-07T21:40:27.43 3.0 undecidable manual Sn -4.44 0
IV.HPAC.HHZ. 2023-08-07T21:40:10.34 3.0 undecidable manual Pg 5.48 0
IV.MCRV.HHZ. 2023-08-07T21:40:02.41 3.0 undecidable manual Pn 0.61 0
IV.CDRU.HHZ. 2023-08-07T21:40:01.16 3.0 undecidable manual Pg 3.57 0
IV.GRIS.EHN. 2023-08-07T21:39:59.94 0.6 undecidable manual S 16 103.5186 123 0.1 64
IV.CET2.HHZ. 2023-08-07T21:39:56.55 0.6 undecidable manual S 26 84.7485 129 -0.01 67
IV.MRCB.HHZ. 2023-08-07T21:39:55.15 0.3 undecidable manual S 168 77.367 132 -0.2 98
IV.CAR1.HHZ. 2023-08-07T21:39:54.45 0.3 undecidable manual S 53 75.0693 133 -0.52 92
IV.MSRU.HHZ. 2023-08-07T21:39:53.64 0.3 undecidable manual S 181 64.3911 138 0.27 100
IY.SPDC.HHZ. 2023-08-07T21:39:53.85 0.6 undecidable manual S 123 63.7917 138 0.57 61
IV.GRIS.EHN. 2023-08-07T21:39:46.22 0.3 undecidable manual P 16 103.5186 123 0.2 93
IV.SELL.HHZ. 2023-08-07T21:39:45.49 0.3 undecidable manual P 81 97.0251 125 0.14 95
IV.CET2.HHZ. 2023-08-07T21:39:44.28 0.3 undecidable manual P 26 84.7485 129 0.16 97
IV.IVUG.HHN. 2023-08-07T21:39:43.12 1.0 undecidable manual P 223 67.7766 136 0.54 31
IV.MRCB.HHZ. 2023-08-07T21:39:43.25 0.3 undecidable manual P 168 77.367 132 -0.18 99
IV.CAR1.HHZ. 2023-08-07T21:39:42.90 0.3 positive manual P 53 75.0693 133 -0.31 97
IV.MSRU.HHZ. 2023-08-07T21:39:42.24 0.6 negative manual P 181 64.3911 138 -0.04 69
IV.SICLA.EHN. 2023-08-07T21:39:42.33 0.6 undecidable manual P 165 67.377 136 -0.21 67
IY.SPDC.HHZ. 2023-08-07T21:39:42.20 0.6 undecidable manual P 123 63.7917 138 -0.03 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IY.SPDC.HHE. ML:2.2 0.00013988300000000002 0.5632 AML other m 2023-08-07T21:39:58.32
IY.SPDC.HHN. ML:2.0 0.00010039312000000001 0.256 AML other m 2023-08-07T21:39:55.42
IV.MSRU.HNE. ML:2.4 0.000236483 1.3696 AML other m 2023-08-07T21:39:54.12
IV.MSRU.HNN. ML:2.3 0.0001843715 3.9808 AML other m 2023-08-07T21:39:56.61
IV.MSRU.HHE. ML:2.2 0.00016182540000000002 1.1264 AML other m 2023-08-07T21:39:59.24
IV.MSRU.HHN. ML:2.2 0.0001433116 2.24 AML other m 2023-08-07T21:39:58.60
IV.CAR1.HNE. ML:2.0 0.000073565825 1.0368 AML other m 2023-08-07T21:39:57.49
IV.CAR1.HNN. ML:2.1 0.00009985747000000001 1.6128 AML other m 2023-08-07T21:40:03.86
IV.CAR1.HHE. ML:1.8 0.000053675580000000004 0.32 AML other m 2023-08-07T21:39:57.49
IV.CAR1.HHN. ML:2.0 0.00007974402999999999 1.4592 AML other m 2023-08-07T21:39:56.71
IV.MRCB.HHE. ML:1.8 0.00004833514 1.3568 AML other m 2023-08-07T21:39:56.86
IV.MRCB.HHN. ML:1.8 0.000052935955 1.3056 AML other m 2023-08-07T21:39:53.87
IV.CET2.HHE. ML:2.0 0.000077475035 0.7552 AML other m 2023-08-07T21:39:58.41
IV.CET2.HHN. ML:2.2 0.00013039214999999998 0.6016 AML other m 2023-08-07T21:39:58.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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