Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 31-10-2021 and time 02:55:05 (Italy) in region 12 km NE Celico (CS)

A magnitude ML 1.6 earthquake occured in region: 12 km NE Celico (CS), on

  • 31-10-2021 01:55:05 (UTC)
  • 31-10-2021 02:55:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.3800, 16.4550 at 14 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
Celico CS 12 2802 2802
San Pietro in Guarano CS 13 3663 6465
Spezzano della Sila CS 14 4541 11006
Spezzano Piccolo CS 14 2079 13085
Rose CS 14 4373 17458
Rovito CS 14 3158 20616
Acri CS 14 20858 41474
Lappano CS 14 941 42415
Castiglione Cosentino CS 15 2896 45311
Serra Pedace CS 15 986 46297
Casole Bruzio CS 15 2578 48875
Pedace CS 15 1907 50782
Longobucco CS 15 3183 53965
Trenta CS 16 2633 56598
Zumpano CS 16 2570 59168
Luzzi CS 16 9396 68564
Pietrafitta CS 16 1310 69874
Aprigliano CS 18 2890 72764
Cosenza CS 20 67546 140310
Piane Crati CS 20 1423 141733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Cosenza (67546 inhabitants)
46 Km N of Lamezia Terme (70714 inhabitants)
54 Km N of Catanzaro (90612 inhabitants)
67 Km NW 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 		ML 1.6 2021-10-31
01:55:05		 39.3798 16.4553 14 2022-03-30
13:04:30		 Bollettino Sismico Italiano INGV 99780271
Reviewed
Rev100 		ML 1.7 2021-10-31
01:55:05		 39.3663 16.4577 12 2021-10-31
01:59:12		 Sala Sismica INGV-Roma 97101911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-31 01:55:05 ± 0.08
Latitude 39.3798 ± 0.0036
Longitude 16.4553 ± 0.0058
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99780271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 515
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.89033
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 99780271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-14 15:03:23

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 97101911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-31 01:59:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2021-10-31T01:55:35.54 0.3 undecidable manual S 210 98.8233 92 0.82 51
IV.GRI.EHZ. 2021-10-31T01:55:25.34 0.3 undecidable manual S 183 61.8936 93 0.46 62
IV.GRIS.EHZ. 2021-10-31T01:55:25.94 0.6 undecidable manual S 308 65.1903 93 0.19 44
IV.JOPP.HHZ. 2021-10-31T01:55:23.09 0.3 undecidable manual P 210 98.8233 92 0.56 56
IV.SELL.HHZ. 2021-10-31T01:55:21.27 0.3 undecidable manual S 161 46.4202 94 0.52 62
IV.CET2.HHZ. 2021-10-31T01:55:20.53 0.3 undecidable manual S 291 45.9207 94 -0.09 68
IV.SERS.HHZ. 2021-10-31T01:55:19.40 0.3 undecidable manual S 152 43.1235 95 -0.46 64
IV.GRI.EHZ. 2021-10-31T01:55:17.32 0.3 undecidable manual P 183 61.8936 93 0.47 62
IV.TDS.HHZ. 2021-10-31T01:55:17.49 0.3 undecidable manual S 342 32.6451 97 0.4 67
IV.GRIS.EHZ. 2021-10-31T01:55:17.21 0.3 undecidable manual P 308 65.1903 93 -0.14 65
IV.PIPA.HHZ. 2021-10-31T01:55:17.42 0.3 undecidable manual S 69 33.0447 97 0.24 68
MN.TIP.HHZ. 2021-10-31T01:55:16.97 0.3 undecidable manual S 130 34.2435 96 -0.53 65
IV.CET2.HHZ. 2021-10-31T01:55:14.31 0.1 undecidable manual P 291 45.9207 94 -0.08 91
IV.LADO.EHZ. 2021-10-31T01:55:14.19 0.1 undecidable manual P 103 46.2204 94 -0.24 90
IV.GIZZ.HHZ. 2021-10-31T01:55:14.96 0.3 undecidable manual P 206 49.2174 94 0.07 69
IV.CAR1.HHZ. 2021-10-31T01:55:14.87 0.3 undecidable manual S 236 25.1526 101 -0.25 69
IV.SELL.HHZ. 2021-10-31T01:55:14.23 0.3 undecidable manual P 161 46.4202 94 -0.23 67
IV.SERS.HHZ. 2021-10-31T01:55:13.68 0.1 undecidable manual P 152 43.1235 95 -0.27 89
IV.PIPA.HHZ. 2021-10-31T01:55:12.26 0.1 undecidable manual P 69 33.0447 97 -0.14 94
IV.TDS.HHZ. 2021-10-31T01:55:12.26 0.1 undecidable manual P 342 32.6451 97 -0.09 94
MN.TIP.HHZ. 2021-10-31T01:55:12.41 0.1 positive manual P 130 34.2435 96 -0.17 93
IV.CAR1.HHZ. 2021-10-31T01:55:11.05 0.1 positive manual P 236 25.1526 101 -0.16 93
IV.SPS2.HHZ. 2021-10-31T01:55:11.98 0.3 undecidable manual S 225 14.0748 120 -0.32 69
IV.CELI.HHZ. 2021-10-31T01:55:10.66 0.1 undecidable manual S 61 5.1948 153 -0.01 100
IV.SPS2.HHZ. 2021-10-31T01:55:09.54 0.1 undecidable manual P 225 14.0748 120 -0.04 98
IV.CELI.HHZ. 2021-10-31T01:55:08.78 0.1 undecidable manual P 61 5.1948 153 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CELI.HHE. ML:2.0 0.0013541935 0.1392 AML other m 2021-10-31T01:55:10.86
IV.CELI.HNE. ML:2.0 0.0013258865 0.12 AML other m 2021-10-31T01:55:10.85
IV.CELI.HNN. ML:1.8 0.0007344999999999999 0.2 AML other m 2021-10-31T01:55:11.24
IV.CELI.HHN. ML:1.8 0.0007585 0.2 AML other m 2021-10-31T01:55:11.24
IV.SPS2.HHN. ML:1.8 0.0006247435 0.1392 AML other m 2021-10-31T01:55:12.36
IV.SPS2.HHE. ML:1.6 0.000317 1.56 AML other m 2021-10-31T01:55:12.03
IV.CAR1.HHE. ML:1.9 0.00040697404999999996 0.16 AML other m 2021-10-31T01:55:15.43
IV.CAR1.HNN. ML:1.8 0.0003076976 0.2704 AML other m 2021-10-31T01:55:17.17
IV.CAR1.HNE. ML:1.8 0.0003841022 0.1408 AML other m 2021-10-31T01:55:15.43
IV.CAR1.HHN. ML:1.8 0.00035023145 0.28 AML other m 2021-10-31T01:55:17.17
MN.TIP.HHN. ML:1.1 0.000048485694500000004 0.2 AML other m 2021-10-31T01:55:17.68
MN.TIP.HHE. ML:1.2 0.00006956577 0.16 AML other m 2021-10-31T01:55:17.17
IV.PIPA.HNN. ML:1.8 0.0002635 0.2 AML other m 2021-10-31T01:55:17.85
IV.PIPA.HHN. ML:1.7 0.00021600000000000002 0.2 AML other m 2021-10-31T01:55:17.85
IV.PIPA.HNE. ML:2.0 0.0004465 0.36 AML other m 2021-10-31T01:55:20.57
IV.PIPA.HHE. ML:2.0 0.000437 0.38 AML other m 2021-10-31T01:55:20.56
IV.TDS.HHE. ML:1.2 0.000067195665 0.28 AML other m 2021-10-31T01:55:19.52
IV.TDS.HHN. ML:1.0 0.00004489253 0.2208 AML other m 2021-10-31T01:55:21.28
IV.CET2.HHE. ML:1.6 0.00011371355 0.1008 AML other m 2021-10-31T01:55:22.29
IV.CET2.HHN. ML:1.8 0.0001651549 0.1792 AML other m 2021-10-31T01:55:21.94
IV.SERS.HHN. ML:1.4 0.000071060695 0.2608 AML other m 2021-10-31T01:55:20.20
IV.SELL.HHN. ML:1.2 0.000039919830000000006 0.3008 AML other m 2021-10-31T01:55:23.13
IV.LADO.EHE. ML:1.7 0.00015487634999999998 0.32 AML other m 2021-10-31T01:55:23.18
IV.SELL.HNN. ML:1.7 0.00013390423 0.5312 AML other m 2021-10-31T01:55:25.18
IV.SELL.HHE. ML:1.3 0.00005535 1.58 AML other m 2021-10-31T01:55:26.91
IV.SELL.HNE. ML:1.8 0.0001905 1.54 AML other m 2021-10-31T01:55:26.13
IV.SERS.HHE. ML:1.1 0.00004157302 0.2192 AML other m 2021-10-31T01:55:20.32
IV.LADO.EHN. ML:1.6 0.000102208405 0.2 AML other m 2021-10-31T01:55:22.74
IV.GRIS.EHE. ML:1.6 0.00007224658 0.2592 AML other m 2021-10-31T01:55:29.65
IV.GRIS.EHN. ML:1.8 0.0001073 1.7 AML other m 2021-10-31T01:55:30.90
MN.TIP.HNN. ML:1.3 0.000077262545 0.24 AML other m 2021-10-31T01:55:17.67
MN.TIP.HNE. ML:1.3 0.00007569472 0.16 AML other m 2021-10-31T01:55:17.25
IV.SERS.HNN. ML:1.2 0.000050649235 0.32 AML other m 2021-10-31T01:55:21.70
IV.SERS.HNE. ML:1.4 0.00007578141500000001 0.28 AML other m 2021-10-31T01:55:20.20
IV.GRI.EHN. ML:1.4 0.000043737517 0.32 AML other m 2021-10-31T01:55:29.04
IV.GRI.EHE. ML:1.1 0.000024125275000000003 0.3184 AML other m 2021-10-31T01:55:27.56
IV.JOPP.HNN. ML:1.6 0.000042490805 0.2992 AML other m 2021-10-31T01:55:37.77
IV.JOPP.HHN. ML:1.6 0.0000398214 0.1616 AML other m 2021-10-31T01:55:37.64
IV.JOPP.HNE. ML:1.6 0.00004124862 0.3408 AML other m 2021-10-31T01:55:36.57
IV.JOPP.HHE. ML:1.3 0.000019233896 0.2608 AML other m 2021-10-31T01:55:36.18
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