Earthquake with magnitude of ML 0.5 on date 20-04-2023 and time 22:56:01 (Italy) in region 2 km W Carlopoli (CZ)

A magnitude ML 0.5 earthquake occured in region: 2 km W Carlopoli (CZ), on

  • 20-04-2023 20:56:01 (UTC)
  • 20-04-2023 22:56:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0540, 16.4370 at 8 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
Panettieri CS 2 351 351
Carlopoli CZ 2 1516 1867
Serrastretta CZ 5 3176 5043
Cicala CZ 6 968 6011
Bianchi CS 6 1305 7316
San Pietro Apostolo CZ 6 1691 9007
Soveria Mannelli CZ 6 3076 12083
Decollatura CZ 7 3159 15242
Colosimi CS 8 1247 16489
Feroleto Antico CZ 11 2171 18660
Platania CZ 12 2172 20832
Pianopoli CZ 12 2589 23421
Gimigliano CZ 12 3381 26802
Sorbo San Basile CZ 12 809 27611
Miglierina CZ 12 767 28378
Parenti CS 12 2188 30566
Amato CZ 13 835 31401
Pedivigliano CS 13 831 32232
Taverna CZ 13 2703 34935
Motta Santa Lucia CZ 13 845 35780
Conflenti CZ 13 1392 37172
Lamezia Terme CZ 13 70714 107886
Tiriolo CZ 13 3870 111756
Fossato Serralta CZ 14 594 112350
Scigliano CS 14 1226 113576
Albi CZ 14 949 114525
Pentone CZ 15 2113 116638
Marcellinara CZ 15 2285 118923
Carpanzano CS 16 255 119178
Martirano CZ 17 884 120062
Settingiano CZ 17 3124 123186
Magisano CZ 17 1258 124444
Rogliano CS 17 5637 130081
Marzi CS 17 989 131070
Martirano Lombardo CZ 18 1112 132182
Altilia CS 18 711 132893
Santo Stefano di Rogliano CS 18 1725 134618
Sellia CZ 18 530 135148
Belsito CS 19 923 136071
Mangone CS 19 1891 137962
Caraffa di Catanzaro CZ 20 1866 139828
Grimaldi CS 20 1680 141508

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NE of Lamezia Terme (70714 inhabitants)
21 Km NW of Catanzaro (90612 inhabitants)
31 Km SE of Cosenza (67546 inhabitants)
60 Km W of Crotone (62178 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 0.5 2023-04-20
20:56:01
39.0542 16.4372 8 2023-04-20
21:00:09
Sala Sismica INGV-Roma 116559731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-20 20:56:01 ± 0.21
Latitude 39.0542 ± 0.0387
Longitude 16.4372 ± 0.0081
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116559731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4333
Semi-minor axis of confidence ellipse (meter) 539
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 4330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.16458
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 116559731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-20 21:00:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2023-04-20T20:56:14.84 0.6 undecidable manual S 9 39.1275 50 -0.01 49
IV.CAR1.HHZ. 2023-04-20T20:56:12.23 0.6 undecidable manual S 319 29.4483 105 0.48 49
IV.SPS2.HHZ. 2023-04-20T20:56:11.84 0.3 undecidable manual S 342 27.6501 106 0.7 74
IV.SERS.HHZ. 2023-04-20T20:56:09.20 0.3 undecidable manual S 95 21.7671 109 0 75
IV.SELL.HHZ. 2023-04-20T20:56:08.01 0.3 undecidable manual S 116 18.2706 113 -0.05 77
IV.GIZZ.HHZ. 2023-04-20T20:56:08.90 0.3 undecidable manual S 247 21.4674 110 -0.19 73
IV.CELI.HHZ. 2023-04-20T20:56:08.95 0.6 undecidable manual P 9 39.1275 50 -0.13 48
IV.SPS2.HHZ. 2023-04-20T20:56:07.28 0.6 undecidable manual P 342 27.6501 106 0.34 50
IV.CAR1.HHZ. 2023-04-20T20:56:07.59 0.6 positive manual P 319 29.4483 105 0.31 49
IV.GIZZ.HHZ. 2023-04-20T20:56:05.90 0.1 undecidable manual P 247 21.4674 110 0.14 99
IV.SELL.HHZ. 2023-04-20T20:56:05.10 0.6 positive manual P 116 18.2706 113 -0.06 51
IV.SERS.HHZ. 2023-04-20T20:56:05.74 0.1 positive manual P 95 21.7671 109 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SELL.HHE. ML:0.5 0.000023650000000000002 0.44 AML other m 2023-04-20T20:56:08.57
IV.SELL.HHN. ML:0.2 0.00001715 0.6 AML other m 2023-04-20T20:56:08.34
IV.GIZZ.HHE. ML:1.2 0.0001225 0.52 AML other m 2023-04-20T20:56:09.39
IV.GIZZ.HHN. ML:1.2 0.00011899999999999999 0.66 AML other m 2023-04-20T20:56:09.16
IV.SERS.HHE. ML:0.8 0.000043950000000000004 0.2 AML other m 2023-04-20T20:56:09.38
IV.SERS.HHN. ML:0.4 0.0000183 0.44 AML other m 2023-04-20T20:56:10.32
IV.SPS2.HHN. ML:0.3 0.000009695000000000001 0.3 AML other m 2023-04-20T20:56:12.40
IV.SPS2.HHE. ML:0.3 0.000007615 1.08 AML other m 2023-04-20T20:56:12.61
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