Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 18-10-2022 and time 03:11:48 (UTC) in region 3 km E San Floro (CZ)

A magnitude ML 1.5 earthquake occured in region: 3 km E San Floro (CZ), on

  • 18-10-2022 03:11:48 (UTC)
  • 18-10-2022 05:11:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8480, 16.5510 at 35 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Floro CZ 3 716 716
Borgia CZ 4 7611 8327
Caraffa di Catanzaro CZ 7 1866 10193
Catanzaro CZ 8 90612 100805
Squillace CZ 8 3608 104413
Settingiano CZ 8 3124 107537
Stalettì CZ 9 2433 109970
Marcellinara CZ 10 2285 112255
Amaroni CZ 11 1855 114110
Vallefiorita CZ 11 1771 115881
Girifalco CZ 11 5945 121826
Montauro CZ 11 1732 123558
Tiriolo CZ 12 3870 127428
Cortale CZ 12 2117 129545
Gasperina CZ 13 2160 131705
Amato CZ 13 835 132540
Miglierina CZ 13 767 133307
Palermiti CZ 14 1213 134520
Gimigliano CZ 14 3381 137901
Montepaone CZ 15 5282 143183
Simeri Crichi CZ 15 4698 147881
Jacurso CZ 15 624 148505
Pentone CZ 16 2113 150618
Soveria Simeri CZ 16 1564 152182
Maida CZ 16 4566 156748
Sellia CZ 17 530 157278
Centrache CZ 17 401 157679
Fossato Serralta CZ 17 594 158273
Petrizzi CZ 17 1131 159404
Olivadi CZ 18 529 159933
San Pietro a Maida CZ 18 4200 164133
Soverato CZ 18 9204 173337
Sellia Marina CZ 18 7513 180850
Pianopoli CZ 18 2589 183439
Cenadi CZ 19 563 184002
San Pietro Apostolo CZ 19 1691 185693
Feroleto Antico CZ 19 2171 187864
Sorbo San Basile CZ 19 809 188673
Taverna CZ 20 2703 191376
Zagarise CZ 20 1647 193023
San Vito sullo Ionio CZ 20 1811 194834
Magisano CZ 20 1258 196092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SW of Catanzaro (90612 inhabitants)
25 Km SE of Lamezia Terme (70714 inhabitants)
56 Km SE of Cosenza (67546 inhabitants)
56 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
Bulletin
Rev1000 		Md 1.7
ML 1.5 		2022-10-18
03:11:48		 38.8478 16.5508 35 2024-03-01
15:28:00		 Bollettino Sismico Italiano INGV 111829841
Reviewed
Rev100 		Md 1.5 2022-10-18
03:11:47		 38.8118 16.6303 35 2022-10-18
03:32:21		 Sala Sismica INGV-Roma 110926831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-18 03:11:48 ± 0.26
Latitude 38.8478 ± 0.0108
Longitude 16.5508 ± 0.0346
Depth (km) 35 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111829841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3050
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 3050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.77971
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 111829841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 00:09:07

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude Md
Reference to an origin 111829841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 00:09:07

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude Md
Reference to an origin 110926831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-18 03:32:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2022-10-18T03:12:05.19 0.3 undecidable manual S 192 45.2214 123 0.56 63
MN.CEL.HNZ. 2022-10-18T03:12:03.43 0.3 undecidable manual P 221 86.5467 54 0.09 66
MN.TIP.HHZ. 2022-10-18T03:12:03.60 0.3 undecidable manual S 26 40.9257 126 -0.08 72
IV.SERS.HHZ. 2022-10-18T03:12:01.19 0.6 undecidable manual S 30 24.0537 143 0.75 42
IV.CELI.HHE. 2022-10-18T03:12:00.25 0.3 undecidable manual P 357 61.6938 115 0.39 66
IV.CAR1.HHN. 2022-10-18T03:11:59.04 0.3 undecidable manual P 327 53.7018 119 0.28 68
IV.GRI.EHZ. 2022-10-18T03:11:58.74 0.6 undecidable manual S 256 11.6772 160 -0.11 51
IV.SPS2.HHE. 2022-10-18T03:11:58.74 0.3 undecidable manual P 340 52.4031 119 0.15 70
IV.PLAC.HHZ. 2022-10-18T03:11:57.26 0.3 undecidable manual P 192 45.2214 123 -0.39 69
MN.TIP.HHZ. 2022-10-18T03:11:56.53 0.3 undecidable manual P 26 40.9257 126 -0.57 65
IV.SERS.HHZ. 2022-10-18T03:11:55.33 0.1 undecidable manual P 30 24.0537 143 0.1 100
IV.GRI.EHZ. 2022-10-18T03:11:53.50 0.1 undecidable manual P 256 11.6772 160 -0.81 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.6 0.00014536450000000002 0.4192 AML other m 2022-10-18T03:11:59.74
IV.GRI.EHE. ML:1.7 0.00021414480000000002 0.48 AML other m 2022-10-18T03:11:59.74
IV.SERS.HNN. ML:1.5 0.00009772204500000001 0.4208 AML other m 2022-10-18T03:12:02.70
IV.SERS.HHE. ML:1.4 0.000086441745 0.3408 AML other m 2022-10-18T03:12:02.70
IV.SERS.HHN. ML:1.5 0.000094011945 0.28 AML other m 2022-10-18T03:12:01.45
IV.SERS.HNE. ML:1.5 0.000098767275 0.3584 AML other m 2022-10-18T03:12:01.45
MN.TIP.HHE. ML:1.4 0.00005526519 0.64 AML other m 2022-10-18T03:12:04.67
MN.TIP.HHN. ML:1.4 0.00006067427 0.64 AML other m 2022-10-18T03:12:03.93
IV.PLAC.HHE. ML:1.6 0.000086645105 0.2816 AML other m 2022-10-18T03:12:07.27
IV.PLAC.HHN. ML:1.6 0.00008718071499999999 0.6208 AML other m 2022-10-18T03:12:07.82
IV.PLAC.HNE. ML:1.6 0.00008952726 0.4096 AML other m 2022-10-18T03:12:05.75
IV.PLAC.HNN. ML:1.6 0.00007842429500000001 0.5888 AML other m 2022-10-18T03:12:07.83
IV.CAR1.HHE. ML:1.7 0.000100539295 0.52 AML other m 2022-10-18T03:12:14.32
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