Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 28-10-2020 and time 00:36:17 (Italy) in region 3 km E Amaroni (CZ)

A magnitude ML 1.1 earthquake occured in region: 3 km E Amaroni (CZ), on

  • 27-10-2020 23:36:17 (UTC)
  • 28-10-2020 00:36:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8080, 16.4830 at 40 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
Amaroni CZ 3 1855 1855
Borgia CZ 4 7611 9466
Vallefiorita CZ 4 1771 11237
Squillace CZ 4 3608 14845
San Floro CZ 5 716 15561
Girifalco CZ 5 5945 21506
Stalettì CZ 7 2433 23939
Montauro CZ 7 1732 25671
Palermiti CZ 7 1213 26884
Cortale CZ 7 2117 29001
Gasperina CZ 8 2160 31161
Caraffa di Catanzaro CZ 8 1866 33027
Montepaone CZ 10 5282 38309
Centrache CZ 10 401 38710
Jacurso CZ 10 624 39334
Olivadi CZ 10 529 39863
Petrizzi CZ 12 1131 40994
Maida CZ 12 4566 45560
Cenadi CZ 12 563 46123
Settingiano CZ 12 3124 49247
San Pietro a Maida CZ 12 4200 53447
San Vito sullo Ionio CZ 13 1811 55258
Marcellinara CZ 14 2285 57543
Curinga CZ 14 6779 64322
Soverato CZ 14 9204 73526
Gagliato CZ 15 505 74031
Argusto CZ 15 522 74553
Catanzaro CZ 15 90612 165165
Chiaravalle Centrale CZ 15 5759 170924
Amato CZ 15 835 171759
Satriano CZ 15 3448 175207
Miglierina CZ 16 767 175974
Tiriolo CZ 16 3870 179844
Polia VV 16 1023 180867
Filadelfia VV 17 5384 186251
Davoli CZ 18 5607 191858
Pianopoli CZ 18 2589 194447
Francavilla Angitola VV 19 1939 196386
San Sostene CZ 19 1370 197756
Feroleto Antico CZ 19 2171 199927
Gimigliano CZ 19 3381 203308
Monterosso Calabro VV 20 1729 205037
Torre di Ruggiero CZ 20 1033 206070

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SW of Catanzaro (90612 inhabitants)
23 Km SE of Lamezia Terme (70714 inhabitants)
58 Km SE of Cosenza (67546 inhabitants)
63 Km SW 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 1.1 2020-10-27
23:36:17		 38.8077 16.4827 40 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 86027311
Reviewed
Rev100 		ML 1.1 2020-10-27
23:36:17		 38.8002 16.4863 41 2020-10-27
23:46:04		 Sala Sismica INGV-Roma 84191461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-27 23:36:17 ± 0.16
Latitude 38.8077 ± 0.0090
Longitude 16.4827 ± 0.0185
Depth (km) 40 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86027311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1371
Semi-minor axis of confidence ellipse (meter) 970
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.80669
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 84191461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-27 23:46:04

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 86027311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 11:08:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHE. 2020-10-27T23:36:37.68 0.6 undecidable manual S 247 56.2992 99 0.38 44
IV.CAR1.HHZ. 2020-10-27T23:36:37.99 0.6 undecidable manual S 335 54.7008 100 1.03 34
IV.PLAC.HHZ. 2020-10-27T23:36:34.76 0.6 undecidable manual S 186 39.9267 115 0.83 41
IV.SOI.EHN. 2020-10-27T23:36:33.81 0.6 undecidable manual P 205 89.5437 92 0.58 41
IV.SERS.HHZ. 2020-10-27T23:36:32.62 0.6 undecidable manual S 35 30.9468 128 0.34 49
IV.PIPA.HHE. 2020-10-27T23:36:32.30 0.3 undecidable manual P 21 80.4639 93 0.2 68
XK.ALB1.HHE. 2020-10-27T23:36:31.98 0.6 undecidable manual S 22 25.9518 135 0.51 47
MN.CEL.HNZ. 2020-10-27T23:36:31.97 0.3 undecidable manual P 220 79.365 93 0.01 70
XK.GIZZ.HHE. 2020-10-27T23:36:31.96 0.6 undecidable manual S 309 30.4473 128 -0.24 51
XK.SELL.HHZ. 2020-10-27T23:36:31.73 0.6 undecidable manual S 33 23.1546 139 0.67 45
IV.CELI.HHE. 2020-10-27T23:36:30.36 0.3 undecidable manual P 2 66.0894 95 0.05 72
IV.GRI.EHE. 2020-10-27T23:36:29.46 0.6 undecidable manual S 287 5.6943 169 0.04 53
IV.SPS2.HHE. 2020-10-27T23:36:29.47 0.3 undecidable manual P 347 55.0005 99 0.52 65
IV.CAR1.HHZ. 2020-10-27T23:36:28.55 0.1 undecidable manual P 335 54.7008 100 -0.36 93
IV.JOPP.HHE. 2020-10-27T23:36:28.83 0.1 undecidable manual P 247 56.2992 99 -0.27 94
MN.TIP.HHE. 2020-10-27T23:36:27.75 0.3 undecidable manual P 30 47.619 106 -0.29 70
IV.SERS.HHZ. 2020-10-27T23:36:26.02 0.1 undecidable manual P 35 30.9468 128 -0.18 98
IV.PLAC.HHZ. 2020-10-27T23:36:26.90 0.1 undecidable manual P 186 39.9267 115 -0.25 95
XK.SELL.HHZ. 2020-10-27T23:36:25.33 0.1 undecidable manual P 33 23.1546 139 -0.17 100
XK.ALB1.HHE. 2020-10-27T23:36:25.52 0.1 undecidable manual P 22 25.9518 135 -0.21 99
XK.GIZZ.HHE. 2020-10-27T23:36:25.70 0.3 undecidable manual P 309 30.4473 128 -0.45 71
IV.GRI.EHE. 2020-10-27T23:36:24.23 0.3 undecidable manual P 287 5.6943 169 -0.32 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HNN. ML:1.2 0.00004051578 0.704 AML other m 2020-10-27T23:36:33.75
IV.SERS.HHE. ML:1.0 0.00002371467 0.4736 AML other m 2020-10-27T23:36:34.28
IV.PLAC.HHE. ML:1.2 0.000039313085 0.3712 AML other m 2020-10-27T23:36:35.17
IV.SERS.HHN. ML:0.9 0.000018628441999999998 0.2816 AML other m 2020-10-27T23:36:36.22
IV.PLAC.HHN. ML:0.8 0.00001583855 0.6784 AML other m 2020-10-27T23:36:36.42
IV.CAR1.HHN. ML:1.3 0.00003413425 0.32 AML other m 2020-10-27T23:36:38.30
IV.CAR1.HHE. ML:1.2 0.000026925369999999996 0.32 AML other m 2020-10-27T23:36:38.54
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