Earthquake with magnitude of ML 1.7 on date 28-04-2023 and time 13:48:23 (Italy) in region 3 km E Villapiana (CS)

A magnitude ML 1.7 earthquake occured in region: 3 km E Villapiana (CS), on

  • 28-04-2023 11:48:23 (UTC)
  • 28-04-2023 13:48:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8540, 16.4910 at 16 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villapiana CS 3 5387 5387
Trebisacce CS 4 9055 14442
Plataci CS 7 739 15181
Albidona CS 8 1352 16533
Cerchiara di Calabria CS 9 2385 18918
Francavilla Marittima CS 10 2910 21828
Amendolara CS 14 2952 24780
San Lorenzo Bellizzi CS 14 644 25424
Alessandria del Carretto CS 15 462 25886
Civita CS 15 902 26788
Castroregio CS 16 303 27091
Cassano all'Ionio CS 17 18495 45586
Roseto Capo Spulico CS 18 1941 47527
Frascineto CS 20 2154 49681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km NE of Cosenza (67546 inhabitants)
91 Km S of Matera (60436 inhabitants)
94 Km SW of Taranto (201100 inhabitants)
99 Km N of Lamezia Terme (70714 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 2023-04-28
11:48:23
39.8538 16.4907 16 2024-03-01
17:18:09
Bollettino Sismico Italiano INGV 117637191
Reviewed
Rev100
ML 1.6 2023-04-28
11:48:23
39.8422 16.4963 14 2023-04-28
12:23:50
Sala Sismica INGV-Roma 116835681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 11:48:23 ± 0.12
Latitude 39.8538 ± 0.0045
Longitude 16.4907 ± 0.0082
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117637191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 693
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
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 117637191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-23 14:51:25

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116835681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 12:23:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVE.HHZ. 2023-04-28T11:49:56.95 3.0 negative manual Pn 0.93 0
IV.TREM.HHZ. 2023-04-28T11:49:43.79 3.0 undecidable manual Sn -3.55 0
IV.FOSV.EHZ. 2023-04-28T11:49:41.38 3.0 undecidable manual Pg 13.11 0
IV.FDMO.HHZ. 2023-04-28T11:49:41.43 3.0 positive manual Pg 17.969999 0
IV.ATCC.EHZ. 2023-04-28T11:49:34.09 3.0 positive manual Pn 6.25 0
IV.NARO.HHZ. 2023-04-28T11:49:30.04 3.0 undecidable manual Pn -2.78 0
IV.CMDO.HHZ. 2023-04-28T11:49:25.15 3.0 undecidable manual Sn -0.9 0
IV.MML1.EHZ. 2023-04-28T11:49:22.19 3.0 positive manual Pn -2.81 0
IV.MFNL.HHZ. 2023-04-28T11:48:54.56 3.0 undecidable manual Pn -1.78 0
IV.MCEL.HHZ. 2023-04-28T11:48:47.45 0.6 undecidable manual S 312 78.366 95 0.3 43
1J.FX12.HHZ.00 2023-04-28T11:48:45.66 3.0 undecidable manual S -0.65 0
IV.MCRV.HHZ. 2023-04-28T11:48:43.75 3.0 undecidable manual Pn -2.17 0
IV.SCHR.EHZ. 2023-04-28T11:48:40.63 0.3 undecidable manual S 318 52.1034 98 0.47 65
IV.PLLN.EHZ. 2023-04-28T11:48:40.00 3.0 negative manual Pn -2.78 0
IV.CELI.HHE. 2023-04-28T11:48:39.82 0.3 undecidable manual S 178 50.1165 98 0.19 68
XE.MORMA.HHE. 2023-04-28T11:48:38.48 0.3 undecidable manual S 272 44.2224 100 0.4 67
IV.MIGL.HHZ. 2023-04-28T11:48:37.55 0.1 undecidable manual P 357 83.3499 94 -0.45 82
XE.T0702.HHN. 2023-04-28T11:48:36.07 0.3 undecidable manual S 247 37.7289 102 -0.31 68
IV.MCEL.HHZ. 2023-04-28T11:48:36.95 0.1 undecidable manual P 312 78.366 95 -0.29 85
XE.T0701.HNN. 2023-04-28T11:48:35.49 0.6 undecidable manual S 295 35.1426 103 -0.21 46
IV.SPS2.HHZ. 2023-04-28T11:48:34.80 0.6 undecidable manual P 192 63.7917 96 -0.19 45
IV.CET2.HHZ. 2023-04-28T11:48:34.51 0.6 undecidable manual P 232 58.2972 97 0.36 43
IV.TDS.HHZ. 2023-04-28T11:48:33.28 0.6 undecidable manual S 211 25.1526 111 0.13 48
IV.SCHR.EHZ. 2023-04-28T11:48:33.20 0.3 undecidable manual P 318 52.1034 98 0 71
IV.CELI.HHE. 2023-04-28T11:48:32.75 0.1 undecidable manual P 178 50.1165 98 -0.15 94
XE.TNOVA.HNE. 2023-04-28T11:48:32.48 0.6 undecidable manual S 305 23.6541 113 -0.31 46
IV.ORI.HHZ. 2023-04-28T11:48:32.67 0.3 undecidable manual S 351 22.1556 115 0.26 71
XE.MORMA.HHE. 2023-04-28T11:48:32.13 0.3 undecidable manual P 272 44.2224 100 0.12 70
XE.FRASC.HNE. 2023-04-28T11:48:31.60 0.3 undecidable manual S 265 19.1697 120 -0.11 73
XE.T0702.HHN. 2023-04-28T11:48:31.24 0.1 undecidable manual P 247 37.7289 102 0.22 93
XE.T0701.HNN. 2023-04-28T11:48:30.19 0.1 undecidable manual P 295 35.1426 103 -0.44 89
XE.BIDON.HHZ. 2023-04-28T11:48:30.23 0.3 undecidable manual S 344 10.5783 140 0.29 72
IV.SALB.HHZ. 2023-04-28T11:48:30.04 0.3 undecidable manual S 282 12.5763 135 -0.26 72
IV.ORI.HHZ. 2023-04-28T11:48:29.03 0.3 undecidable manual P 351 22.1556 115 0.3 70
IV.TDS.HHZ. 2023-04-28T11:48:29.44 0.1 undecidable manual P 211 25.1526 111 0.28 93
XE.FRASC.HNE. 2023-04-28T11:48:28.20 0.1 undecidable manual P 265 19.1697 120 -0.13 98
XE.TNOVA.HNE. 2023-04-28T11:48:28.80 0.1 undecidable manual P 305 23.6541 113 -0.15 97
XE.BIDON.HHZ. 2023-04-28T11:48:27.39 0.1 undecidable manual P 344 10.5783 140 0.08 100
IV.SALB.HHZ. 2023-04-28T11:48:27.43 0.1 undecidable manual P 282 12.5763 135 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HHN. ML:1.8 0.000594 0.12 AML other m 2023-04-28T11:48:30.16
IV.SALB.HNN. ML:1.8 0.000557 0.14 AML other m 2023-04-28T11:48:30.17
IV.SALB.HNE. ML:1.8 0.000495 0.24 AML other m 2023-04-28T11:48:30.16
IV.SALB.HHE. ML:1.8 0.000532 0.26 AML other m 2023-04-28T11:48:30.15
IV.ORI.HHE. ML:1.9 0.00042500000000000003 0.38 AML other m 2023-04-28T11:48:34.21
IV.ORI.HHN. ML:1.7 0.00028649999999999997 0.26 AML other m 2023-04-28T11:48:39.13
IV.SCHR.EHN. ML:1.0 0.0000249 0.24 AML other m 2023-04-28T11:48:42.63
IV.SCHR.EHE. ML:1.1 0.000029650000000000002 0.88 AML other m 2023-04-28T11:48:43.71
IV.MCEL.HHE. ML:1.5 0.0000376 0.28 AML other m 2023-04-28T11:48:49.08
IV.MCEL.HHN. ML:1.2 0.00002715 0.24 AML other m 2023-04-28T11:48:49.20
IV.MIGL.HHE. ML:2.1 0.000157 0.42 AML other m 2023-04-28T11:48:56.53
IV.MIGL.HHN. ML:1.9 0.00010899999999999999 1.32 AML other m 2023-04-28T11:49:20.24
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