Earthquake with magnitude of ML 1.9 on date 27-04-2023 and time 21:02:14 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 27-04-2023 21:02:14 (UTC)
  • 27-04-2023 23:02:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6580, 14.1770 at 28 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
87 Km NE of Bagheria (55387 inhabitants)
93 Km NE of Palermo (674435 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 1.9 2023-04-27
21:02:14
38.6577 14.177 28 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117276191
Reviewed
Rev100
ML 2.0 2023-04-27
21:02:13
38.6802 14.1382 2 2023-04-27
21:19:53
Sala Sismica INGV-Roma 116813411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-27 21:02:14 ± 0.22
Latitude 38.6577 ± 0.0108
Longitude 14.1770 ± 0.0150
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117276191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1193
Semi-minor axis of confidence ellipse (meter) 760
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.32466
Epicentral distance of station farthest from the epicenter (degree) 1.77976
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 117276191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 15:33:46

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 116813411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-27 21:19:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-04-27T21:02:48.50 0.6 undecidable manual S 110 123.5874 54 -1.83 18
IV.PLAC.HHZ. 2023-04-27T21:02:44.69 0.3 undecidable manual P 96 197.5578 54 0.17 47
IV.CAR1.HHZ. 2023-04-27T21:02:43.21 0.6 undecidable manual P 69 187.4679 54 -0.06 34
IV.CET2.HHZ. 2023-04-27T21:02:42.50 0.3 undecidable manual P 57 180.9855 54 0.04 53
IV.MUCR.HHZ. 2023-04-27T21:02:41.90 0.6 undecidable manual S 138 91.242 102 -0.19 45
IV.RAFF.HHZ. 2023-04-27T21:02:41.04 0.3 undecidable manual P 174 160.0176 54 1.19 40
IV.CSLB.HHZ. 2023-04-27T21:02:38.70 0.6 undecidable manual S 187 80.5638 104 -0.6 42
IV.GIB.HHZ. 2023-04-27T21:02:38.20 0.6 undecidable manual S 190 75.1692 105 0.29 45
IV.PLLN.EHZ. 2023-04-27T21:02:37.80 0.6 undecidable manual S 182 73.8705 105 0.23 46
IV.MSRU.HHZ. 2023-04-27T21:02:34.34 1.0 undecidable manual P 110 123.5874 54 -0.98 16
IV.AIO.HHZ. 2023-04-27T21:02:34.44 0.3 undecidable manual P 129 119.3916 54 -0.35 61
IV.GALF.HHZ. 2023-04-27T21:02:34.11 0.3 undecidable manual P 162 110.4006 100 0.65 57
IV.MILZ.HHN. 2023-04-27T21:02:31.14 0.3 undecidable manual P 115 101.121 101 -0.91 52
IV.MUCR.HHZ. 2023-04-27T21:02:30.27 0.1 undecidable manual P 138 91.242 102 -0.28 88
IV.LIBRI.HHN. 2023-04-27T21:02:30.10 0.3 undecidable manual P 134 91.242 102 -0.46 64
IV.IVPL.HHZ. 2023-04-27T21:02:29.01 0.3 undecidable manual P 114 76.368 104 0.68 61
3D.OEM9.HNE. 2023-04-27T21:02:29.56 0.3 undecidable manual P 113 76.6677 104 1.19 48
IV.USI.HHE. 2023-04-27T21:02:29.01 0.3 undecidable manual P 274 86.5467 103 -0.85 57
IV.MSFR.HHZ. 2023-04-27T21:02:28.49 0.6 undecidable manual P 152 78.0663 104 -0.08 47
IV.IVUG.HHZ. 2023-04-27T21:02:28.83 0.3 undecidable manual P 112 75.9684 105 0.56 64
IV.GIB.HHZ. 2023-04-27T21:02:28.09 0.3 undecidable manual P 190 75.1692 105 -0.06 72
IV.IVGP.HHN. 2023-04-27T21:02:28.38 0.3 undecidable manual P 113 73.8705 105 0.42 66
IV.CSLB.HHZ. 2023-04-27T21:02:28.85 0.1 undecidable manual P 187 80.5638 104 -0.1 94
IV.MCPD.HHE. 2023-04-27T21:02:28.28 0.3 undecidable manual P 141 76.6677 104 -0.09 71
IV.IFIL.HHZ. 2023-04-27T21:02:27.50 0.6 undecidable manual S 107 36.0417 122 -0.72 43
3D.OEM8.HHN. 2023-04-27T21:02:27.49 0.3 undecidable manual P 108 67.4769 107 0.48 66
3D.OEM4.HHN. 2023-04-27T21:02:27.88 0.3 undecidable manual P 112 71.8725 105 0.23 70
IV.PLLN.EHZ. 2023-04-27T21:02:27.80 0.3 undecidable manual P 182 73.8705 105 -0.15 71
IV.IFIL.HHZ. 2023-04-27T21:02:22.36 0.1 undecidable manual P 107 36.0417 122 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHE. ML:2.9 0.00233 0.54 AML other m 2023-04-27T21:02:29.47
IV.IFIL.HHN. ML:2.5 0.0009665 0.24 AML other m 2023-04-27T21:02:29.45
IV.CSLB.HHN. ML:1.7 0.00005925 0.42 AML other m 2023-04-27T21:02:39.44
IV.GIB.HHN. ML:2.1 0.000175 0.42 AML other m 2023-04-27T21:02:39.64
IV.CSLB.HHE. ML:1.6 0.00005165 0.56 AML other m 2023-04-27T21:02:40.47
IV.GIB.HHE. ML:2.1 0.000187 0.96 AML other m 2023-04-27T21:02:41.10
IV.PLLN.EHE. ML:2.1 0.00016749999999999998 0.5 AML other m 2023-04-27T21:02:43.57
IV.PLLN.EHN. ML:2.2 0.00023649999999999998 0.38 AML other m 2023-04-27T21:02:43.83
IV.IVPL.HHN. ML:2.0 0.00014000000000000001 0.58 AML other m 2023-04-27T21:02:44.64
IV.IVPL.HHE. ML:2.1 0.00015400000000000003 1.62 AML other m 2023-04-27T21:02:44.98
IV.MUCR.HHE. ML:1.6 0.000041800000000000006 1.54 AML other m 2023-04-27T21:02:47.85
IV.MSRU.HHN. ML:1.9 0.000053099999999999996 0.26 AML other m 2023-04-27T21:02:49.21
IV.MSRU.HHE. ML:2.0 0.00007014999999999998 0.4 AML other m 2023-04-27T21:02:49.80
IV.MUCR.HHN. ML:1.7 0.0000479 0.54 AML other m 2023-04-27T21:02:50.35
IV.AIO.HHE. ML:1.7 0.00003395 1.36 AML other m 2023-04-27T21:02:52.05
IV.AIO.HHN. ML:1.8 0.00004745 0.54 AML other m 2023-04-27T21:02:57.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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