Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-12-2021 and time 16:02:29 (Italy) in region 1 km SE Stalettì (CZ)

A magnitude ML 1.2 earthquake occured in region: 1 km SE Stalettì (CZ), on

  • 22-12-2021 15:02:29 (UTC)
  • 22-12-2021 16:02:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7620, 16.5470 at 15 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
Stalettì CZ 1 2433 2433
Squillace CZ 3 3608 6041
Montauro CZ 3 1732 7773
Gasperina CZ 4 2160 9933
Montepaone CZ 6 5282 15215
Vallefiorita CZ 7 1771 16986
Borgia CZ 8 7611 24597
Soverato CZ 8 9204 33801
Palermiti CZ 8 1213 35014
San Floro CZ 9 716 35730
Petrizzi CZ 9 1131 36861
Amaroni CZ 9 1855 38716
Centrache CZ 11 401 39117
Olivadi CZ 12 529 39646
Satriano CZ 12 3448 43094
Gagliato CZ 12 505 43599
Girifalco CZ 13 5945 49544
Cenadi CZ 13 563 50107
Argusto CZ 13 522 50629
San Vito sullo Ionio CZ 13 1811 52440
Davoli CZ 14 5607 58047
Caraffa di Catanzaro CZ 14 1866 59913
Chiaravalle Centrale CZ 14 5759 65672
San Sostene CZ 15 1370 67042
Cortale CZ 15 2117 69159
Sant'Andrea Apostolo dello Ionio CZ 15 1937 71096
Catanzaro CZ 17 90612 161708
Settingiano CZ 17 3124 164832
Jacurso CZ 17 624 165456
Isca sullo Ionio CZ 18 1633 167089
Maida CZ 19 4566 171655
Marcellinara CZ 19 2285 173940
Cardinale CZ 19 2188 176128
Torre di Ruggiero CZ 19 1033 177161
San Pietro a Maida CZ 20 4200 181361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km S of Catanzaro (90612 inhabitants)
31 Km SE of Lamezia Terme (70714 inhabitants)
61 Km SW of Crotone (62178 inhabitants)
64 Km SE of Cosenza (67546 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 1.2 2021-12-22
15:02:29		 38.7622 16.547 15 2022-03-30
13:04:40		 Bollettino Sismico Italiano INGV 101724951
Reviewed
Rev100 		ML 1.1 2021-12-22
15:02:28		 38.7698 16.5357 22 2021-12-22
15:09:54		 Sala Sismica INGV-Roma 98822831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-22 15:02:29 ± 0.07
Latitude 38.7622 ± 0.0054
Longitude 16.5470 ± 0.0081
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101724951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 693
Semi-minor axis of confidence ellipse (meter) 551
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
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) 173
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64122
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 101724951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-06 08:41:42

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 98822831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-22 15:09:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVE.HHZ. 2021-12-22T15:04:17.94 3.0 positive manual Pn 5.1 0
IV.PE3.EHZ. 2021-12-22T15:04:16.61 3.0 undecidable manual Pg 25.309999 0
IV.IMOL.HNZ. 2021-12-22T15:04:05.76 3.0 negative manual Pn 2.76 0
IT.ORP.HGZ. 2021-12-22T15:04:04.82 3.0 undecidable manual Sg 16.43 0
OT.OT17.EHZ. 2021-12-22T15:03:57.87 3.0 undecidable manual Sn 0.69 0
IV.COLB.HHZ. 2021-12-22T15:03:49.05 3.0 undecidable manual Sn 0.28 0
IV.CAMP.HHZ. 2021-12-22T15:03:46.11 3.0 negative manual Pg 13.19 0
AC.VLO.HHZ. 2021-12-22T15:03:41.31 3.0 undecidable manual Sn -1.63 0
IV.RM33.EHZ. 2021-12-22T15:03:35.07 3.0 undecidable manual Pn 1.41 0
IV.VIVA.HHZ. 2021-12-22T15:03:27.98 3.0 undecidable manual Pn -0.16 0
MN.KLV.HHZ. 2021-12-22T15:03:26.03 3.0 negative manual Pg 5.35 0
IV.LPEL.HHZ. 2021-12-22T15:03:25.03 3.0 positive manual Pn 1.85 0
IV.GIUL.HHZ. 2021-12-22T15:03:20.22 3.0 positive manual Pn -2.67 0
IV.JOPP.HNZ. 2021-12-22T15:02:47.68 0.6 undecidable manual S 253 59.7957 95 0.2 44
MN.TIP.HHZ. 2021-12-22T15:02:44.66 0.6 undecidable manual S 21 49.7169 96 -0.15 46
IV.CELI.HHE. 2021-12-22T15:02:41.59 0.1 undecidable manual P 357 71.1732 94 0.17 88
IV.PLAC.HHZ. 2021-12-22T15:02:41.30 0.6 undecidable manual S 195 35.9418 100 0.14 47
IV.SERS.HHZ. 2021-12-22T15:02:40.49 0.6 undecidable manual S 22 32.745 102 0.17 47
IV.CAR1.HHZ. 2021-12-22T15:02:40.03 0.3 undecidable manual P 332 61.6938 95 0.07 69
IV.JOPP.HNZ. 2021-12-22T15:02:39.40 0.3 undecidable manual P 253 59.7957 95 -0.28 66
IV.SELL.HHZ. 2021-12-22T15:02:38.91 0.6 undecidable manual S 16 25.4523 107 0.47 45
MN.TIP.HHZ. 2021-12-22T15:02:37.78 0.1 undecidable manual P 21 49.7169 96 -0.35 87
IV.PLAC.HHZ. 2021-12-22T15:02:36.01 0.1 undecidable manual P 195 35.9418 100 -0.01 96
IV.SERS.HHZ. 2021-12-22T15:02:35.51 0.1 positive manual P 22 32.745 102 -0.03 96
IV.GRI.EHZ. 2021-12-22T15:02:35.32 0.6 undecidable manual S 301 12.876 130 -0.13 49
IV.SELL.HHZ. 2021-12-22T15:02:34.41 0.1 undecidable manual P 16 25.4523 107 -0.05 97
IV.GRI.EHZ. 2021-12-22T15:02:32.76 0.1 undecidable manual P 301 12.876 130 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.3 0.0001555 0.2 AML other m 2021-12-22T15:02:35.80
IV.GRI.EHE. ML:1.2 0.000132 0.56 AML other m 2021-12-22T15:02:36.42
IV.SELL.HHN. ML:0.6 0.00002095 1.44 AML other m 2021-12-22T15:02:40.90
IV.SELL.HHE. ML:0.6 0.000020799999999999997 0.46 AML other m 2021-12-22T15:02:41.41
IV.PLAC.HHE. ML:1.2 0.0000547 0.78 AML other m 2021-12-22T15:02:41.56
IV.SERS.HHN. ML:0.8 0.000025450000000000002 0.4 AML other m 2021-12-22T15:02:41.99
IV.SERS.HHE. ML:0.7 0.000019849999999999998 0.98 AML other m 2021-12-22T15:02:42.76
IV.PLAC.HHN. ML:1.0 0.00004045 0.64 AML other m 2021-12-22T15:02:42.32
IV.CAR1.HHN. ML:1.4 0.00004615 0.8 AML other m 2021-12-22T15:02:50.77
IV.CAR1.HHE. ML:1.4 0.00004745000000000001 1.46 AML other m 2021-12-22T15:02:53.03
IV.GIZZ.HHN. ML:1.7 0.00016 0.38 AML other m 2021-12-22T15:02:54.66
IV.CAR1.HNE. ML:1.8 0.00013215 0.42 AML other m 2021-12-22T15:03:03.72
IV.CAR1.HNN. ML:1.5 0.0000648 0.54 AML other m 2021-12-22T15:03:07.52
IV.GIZZ.HHE. ML:1.6 0.0001225 0.08 AML other m 2021-12-22T15:03:16.65
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