Earthquake with magnitude of ML 1.7 on date 30-03-2023 and time 20:58:25 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.7 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 30-03-2023 20:58:25 (UTC)
  • 30-03-2023 22:58:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9010, 15.5610 at 83 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km W of Lamezia Terme (70714 inhabitants)
74 Km SW of Cosenza (67546 inhabitants)
79 Km N of Messina (238439 inhabitants)
88 Km N of Reggio di Calabria (183035 inhabitants)
90 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
Bulletin
Rev1000
ML 1.7 2023-03-30
20:58:25
38.9013 15.5612 83 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 117054981
Reviewed
Rev100
ML 1.7 2023-03-30
20:58:25
38.906 15.5767 83 2023-03-30
21:15:30
Sala Sismica INGV-Roma 115895871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-30 20:58:25 ± 0.27
Latitude 38.9013 ± 0.0081
Longitude 15.5612 ± 0.0196
Depth (km) 83 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117054981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1353
Semi-minor axis of confidence ellipse (meter) 1102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.50902
Epicentral distance of station farthest from the epicenter (degree) 1.00994
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 117054981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-05 13:36:43

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 11
Type of magnitude ML
Reference to an origin 115895871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-30 21:15:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2023-03-30T20:58:57.08 0.6 undecidable manual S 15 96.4257 125 0.25 62
IV.CELI.HHE. 2023-03-30T20:58:57.63 0.6 undecidable manual S 55 98.7234 124 0.4 59
IV.MRCB.HHZ. 2023-03-30T20:58:54.91 0.6 undecidable manual S 171 82.9503 129 0.4 61
IV.CET2.HHZ. 2023-03-30T20:58:53.61 0.6 undecidable manual S 26 77.367 131 0.01 67
IV.MILZ.HHZ. 2023-03-30T20:58:53.36 0.6 undecidable manual S 202 75.4689 132 0.07 67
IV.MSRU.HHZ. 2023-03-30T20:58:52.26 0.6 undecidable manual S 184 70.8735 134 -0.31 63
IV.FERC.HHE.00 2023-03-30T20:58:52.69 0.6 undecidable manual S 135 69.8745 135 0.27 64
IY.SPDC.HHZ. 2023-03-30T20:58:51.41 0.6 undecidable manual S 130 64.5909 137 -0.22 66
IV.CAR1.HHZ. 2023-03-30T20:58:51.67 0.6 undecidable manual S 55 68.2761 136 -0.5 62
IV.GIZZ.HHZ. 2023-03-30T20:58:50.33 0.6 undecidable manual S 81 56.499 141 -0.15 68
IV.MPAZ.HHZ. 2023-03-30T20:58:45.97 0.6 undecidable manual P 160 112.0989 120 0.72 52
IV.CELI.HHE. 2023-03-30T20:58:44.53 0.6 undecidable manual P 55 98.7234 124 0.7 54
IV.GRIS.EHZ. 2023-03-30T20:58:43.43 0.3 undecidable manual P 15 96.4257 125 -0.17 93
IV.MRCB.HHZ. 2023-03-30T20:58:42.58 0.6 undecidable manual P 171 82.9503 129 0.32 63
IV.PLAC.HHE. 2023-03-30T20:58:42.23 0.6 undecidable manual P 123 91.0422 126 -0.82 51
IV.CET2.HHZ. 2023-03-30T20:58:41.74 0.3 undecidable manual P 26 77.367 131 0.01 100
IV.MILZ.HHZ. 2023-03-30T20:58:41.77 0.6 undecidable manual P 202 75.4689 132 0.22 65
IV.FERC.HHE.00 2023-03-30T20:58:40.98 0.6 undecidable manual P 135 69.8745 135 -0.07 67
IV.MSRU.HHZ. 2023-03-30T20:58:40.99 0.3 undecidable manual P 184 70.8735 134 -0.14 98
IY.SPDC.HHZ. 2023-03-30T20:58:40.58 0.6 undecidable manual P 130 64.5909 137 -0.01 68
IV.CAR1.HHZ. 2023-03-30T20:58:40.66 0.3 undecidable manual P 55 68.2761 136 -0.25 97
IV.GIZZ.HHZ. 2023-03-30T20:58:39.75 0.6 undecidable manual P 81 56.499 141 -0.18 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:1.6 0.000033799999999999995 1.5 AML other m 2023-03-30T20:58:52.90
IV.CAR1.HHE. ML:1.8 0.000051605335 1.7312 AML other m 2023-03-30T20:58:53.93
IV.MSRU.HHN. ML:1.7 0.00004491812 1.6 AML other m 2023-03-30T20:58:53.93
IV.MILZ.HHN. ML:1.6 0.00003590387 0.768 AML other m 2023-03-30T20:58:53.82
IV.MSRU.HHE. ML:1.8 0.000057931955 1.5104 AML other m 2023-03-30T20:58:53.01
IV.MILZ.HHE. ML:1.8 0.000053130815 1.616 AML other m 2023-03-30T20:58:53.81
IV.CET2.HHE. ML:1.6 0.000031192020000000004 0.1536 AML other m 2023-03-30T20:58:55.00
IV.CET2.HHN. ML:1.9 0.000060691270000000004 0.1024 AML other m 2023-03-30T20:58:54.98
IV.MRCB.HHE. ML:1.6 0.000030340885 0.4992 AML other m 2023-03-30T20:58:57.07
IV.GRIS.EHE. ML:1.4 0.000015074210000000001 0.1664 AML other m 2023-03-30T20:58:58.44
IV.GRIS.EHN. ML:1.4 0.000014059389 0.1152 AML other m 2023-03-30T20:59:00.19
IX.SCL3.HNE.01 ML:3.3 0.0005508786 0.0896 AML other m 2023-03-30T20:59:02.21
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