Earthquake with magnitude of ML 1.2 on date 22-05-2023 and time 18:46:48 (Italy) in region 4 km NE Castrovillari (CS)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Castrovillari (CS), on

  • 22-05-2023 16:46:48 (UTC)
  • 22-05-2023 18:46:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8400, 16.2210 at 5 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castrovillari CS 4 22240 22240
Frascineto CS 4 2154 24394
San Basile CS 6 1055 25449
Morano Calabro CS 7 4576 30025
Civita CS 8 902 30927
Saracena CS 9 3828 34755
Cassano all'Ionio CS 11 18495 53250
San Lorenzo Bellizzi CS 11 644 53894
Firmo CS 14 2115 56009
Lungro CS 14 2592 58601
Cerchiara di Calabria CS 14 2385 60986
Francavilla Marittima CS 14 2910 63896
Terranova di Pollino PZ 17 1208 65104
Acquaformosa CS 17 1106 66210
Altomonte CS 18 4488 70698
Viggianello PZ 19 3025 73723
Alessandria del Carretto CS 19 462 74185
Plataci CS 19 739 74924

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km N of Cosenza (67546 inhabitants)
96 Km SE of Potenza (67122 inhabitants)
97 Km N of Lamezia Terme (70714 inhabitants)
98 Km SW of Matera (60436 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 1.2 2023-05-22
16:46:48
39.8403 16.2213 5 2023-05-22
16:58:33
Sala Sismica INGV-Roma 117599261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-22 16:46:48 ± 0.11
Latitude 39.8403 ± 0.0036
Longitude 16.2213 ± 0.0035
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117599261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.29947
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 117599261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-22 16:58:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XE.BIDON.HHE. 2023-05-22T16:46:57.14 0.6 undecidable manual S 60 23.1546 103 0.08 48
IV.MMN.HHZ. 2023-05-22T16:46:56.44 0.6 undecidable manual S 286 20.4684 104 0.28 46
XE.T0701.HNZ. 2023-05-22T16:46:55.60 0.3 undecidable manual S 331 18.4704 106 0.1 72
XE.T0702.HNN. 2023-05-22T16:46:55.06 0.3 undecidable manual S 222 17.6712 106 -0.18 71
IV.GRIS.EHE. 2023-05-22T16:46:55.02 0.3 undecidable manual P 251 33.2445 99 -0.57 63
IV.TDS.HHZ. 2023-05-22T16:46:54.13 0.6 undecidable manual P 154 22.3554 103 0.7 40
XE.TNOVA.HNZ. 2023-05-22T16:46:54.38 0.3 undecidable manual S 13 15.2736 109 -0.06 73
XE.LAICA.HHZ. 2023-05-22T16:46:54.08 0.6 undecidable manual P 300 24.1536 102 0.29 45
XE.BIDON.HHE. 2023-05-22T16:46:53.44 0.1 undecidable manual P 60 23.1546 103 -0.14 94
IV.MMN.HHZ. 2023-05-22T16:46:53.40 0.6 undecidable manual P 286 20.4684 104 0.34 45
XE.MORMA.HNN. 2023-05-22T16:46:53.24 0.1 undecidable manual P 279 21.4674 104 -0.03 97
IV.SALB.HHZ. 2023-05-22T16:46:53.26 0.6 undecidable manual S 69 11.3775 115 0.09 48
XE.T0701.HNZ. 2023-05-22T16:46:52.52 0.1 undecidable manual P 331 18.4704 106 -0.16 94
XE.T0702.HNN. 2023-05-22T16:46:52.38 0.1 undecidable manual P 222 17.6712 106 -0.16 95
XE.ZIDIL.HHE. 2023-05-22T16:46:52.11 0.3 undecidable manual S 153 7.1928 126 0.18 72
IV.SALB.HHZ. 2023-05-22T16:46:51.37 0.1 positive manual P 69 11.3775 115 0.03 98
XE.CNESE.HNZ. 2023-05-22T16:46:51.88 0.3 undecidable manual P 297 13.0758 112 0.22 71
XE.SHEVA.HNE. 2023-05-22T16:46:51.56 0.3 undecidable manual S 239 5.3946 134 0.14 73
XE.TNOVA.HNZ. 2023-05-22T16:46:51.98 0.6 undecidable manual P 13 15.2736 109 -0.09 48
XE.ZIDIL.HHE. 2023-05-22T16:46:50.70 0.1 undecidable manual P 153 7.1928 126 0.08 98
XE.FRASC.HNE. 2023-05-22T16:46:50.63 0.6 undecidable manual S 94 3.7962 144 -0.45 46
XE.FRASC.HNE. 2023-05-22T16:46:50.13 0.1 undecidable manual P 94 3.7962 144 0 100
XE.SHEVA.HNE. 2023-05-22T16:46:50.24 0.1 undecidable manual P 239 5.3946 134 -0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HNN. ML:1.2 0.00021799999999999996 0.26 AML other m 2023-05-22T16:46:53.59
IV.SALB.HNE. ML:1.2 0.000248 0.2 AML other m 2023-05-22T16:46:53.62
IV.SALB.HHE. ML:1.2 0.000252 0.2 AML other m 2023-05-22T16:46:53.62
IV.SALB.HHN. ML:1.2 0.000252 0.52 AML other m 2023-05-22T16:46:53.59
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