Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-10-2021 and time 08:49:48 (Italy) in region 6 km S Cotronei (KR)

A magnitude ML 1.9 earthquake occured in region: 6 km S Cotronei (KR), on

  • 28-10-2021 06:49:48 (UTC)
  • 28-10-2021 08:49:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.1340, 16.7030 at 7 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
Cotronei KR 6 5480 5480
Petilia Policastro KR 8 9173 14653
Mesoraca KR 10 6523 21176
Petronà CZ 11 2629 23805
Caccuri KR 13 1663 25468
Cerva CZ 13 1223 26691
San Giovanni in Fiore CS 14 17372 44063
Sersale CZ 14 4630 48693
Cerenzia KR 14 1152 49845
Andali CZ 14 769 50614
Magisano CZ 15 1258 51872
Roccabernarda KR 15 3393 55265
Belcastro CZ 15 1399 56664
Albi CZ 15 949 57613
Zagarise CZ 15 1647 59260
Taverna CZ 16 2703 61963
Castelsilano KR 16 1015 62978
Marcedusa CZ 16 448 63426
Sorbo San Basile CZ 17 809 64235
Sellia CZ 18 530 64765
Belvedere di Spinello KR 18 2297 67062
Santa Severina KR 18 2131 69193
Fossato Serralta CZ 19 594 69787
San Mauro Marchesato KR 19 2157 71944
Pentone CZ 19 2113 74057
Cropani CZ 20 4778 78835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Catanzaro (90612 inhabitants)
37 Km W of Crotone (62178 inhabitants)
37 Km E of Lamezia Terme (70714 inhabitants)
42 Km E 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 1.9 2021-10-28
06:49:48		 39.1337 16.7033 7 2022-03-30
13:04:14		 Bollettino Sismico Italiano INGV 97152071
Reviewed
Rev100 		ML 2.0 2021-10-28
06:49:48		 39.1303 16.7157 8 2021-10-28
07:04:03		 Sala Sismica INGV-Roma 97035451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-28 06:49:48 ± 0.08
Latitude 39.1337 ± 0.0036
Longitude 16.7033 ± 0.0070
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97152071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.71406
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 97152071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-01 23:49:11

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 97035451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-28 07:04:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2021-10-28T06:50:02.98 0.1 undecidable manual P 197 79.2651 50 0.39 82
IV.CELI.HHZ. 2021-10-28T06:50:00.39 0.3 undecidable manual S 331 34.2435 102 -0.21 70
IV.SPS2.HHZ. 2021-10-28T06:50:00.76 1.0 undecidable manual S 299 35.8419 101 -0.41 22
IV.TDS.HHZ. 2021-10-28T06:50:00.27 0.3 undecidable manual P 332 66.2781 50 -0.32 64
IV.LADO.EHZ. 2021-10-28T06:49:58.77 0.3 undecidable manual S 55 29.0487 104 -0.07 72
IV.CAR1.HHZ. 2021-10-28T06:49:57.97 0.3 undecidable manual P 288 44.3223 50 0.76 58
IV.GRI.EHZ. 2021-10-28T06:49:56.57 0.1 undecidable manual P 215 42.3243 50 -0.33 89
IV.PIPA.HHZ. 2021-10-28T06:49:56.36 0.1 undecidable manual P 14 40.1265 50 -0.21 92
IV.CELI.HHZ. 2021-10-28T06:49:55.61 0.1 undecidable manual P 331 34.2435 102 0.14 94
IV.SELL.HNZ. 2021-10-28T06:49:55.20 0.6 undecidable manual S 201 17.9709 112 0.03 50
IV.SPS2.HHZ. 2021-10-28T06:49:55.83 0.1 undecidable manual P 299 35.8419 101 0.03 96
IV.LADO.EHZ. 2021-10-28T06:49:54.28 0.1 undecidable manual P 55 29.0487 104 -0.18 94
MN.TIP.HHZ. 2021-10-28T06:49:52.07 0.1 undecidable manual S 43 6.993 136 0.12 99
IV.SERS.HHZ. 2021-10-28T06:49:52.76 0.1 undecidable manual S 187 10.878 124 -0.25 96
IV.SELL.HNZ. 2021-10-28T06:49:52.33 0.1 undecidable manual P 201 17.9709 112 -0.01 100
IV.SERS.HHZ. 2021-10-28T06:49:51.14 0.1 undecidable manual P 187 10.878 124 0.05 100
MN.TIP.HHZ. 2021-10-28T06:49:50.77 0.1 undecidable manual P 43 6.993 136 0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:2.3 0.0035067105 0.24 AML other m 2021-10-28T06:49:52.40
MN.TIP.HNN. ML:2.3 0.0034742805 0.2592 AML other m 2021-10-28T06:49:52.40
MN.TIP.HNE. ML:2.0 0.00204196705 0.1216 AML other m 2021-10-28T06:49:52.16
MN.TIP.HHE. ML:2.0 0.0020964839500000002 0.1216 AML other m 2021-10-28T06:49:52.16
IV.SERS.HHN. ML:2.1 0.0016945017999999998 0.0992 AML other m 2021-10-28T06:49:52.86
IV.SERS.HNE. ML:2.2 0.00197604085 0.1184 AML other m 2021-10-28T06:49:52.86
IV.SERS.HHE. ML:2.3 0.002775 1.74 AML other m 2021-10-28T06:49:52.93
IV.SERS.HNN. ML:2.3 0.00272875 0.2784 AML other m 2021-10-28T06:49:52.93
IV.SELL.HNN. ML:2.1 0.00100964085 0.272 AML other m 2021-10-28T06:49:55.77
IV.SELL.HHN. ML:1.6 0.000352 0.38 AML other m 2021-10-28T06:49:55.78
IV.SELL.HHE. ML:1.5 0.000277 0.42 AML other m 2021-10-28T06:49:58.46
IV.LADO.EHE. ML:2.0 0.0005121282 0.2592 AML other m 2021-10-28T06:49:59.97
IV.CELI.HHN. ML:1.3 0.00009031314 0.24 AML other m 2021-10-28T06:50:03.46
IV.CELI.HHE. ML:1.4 0.00011447995 0.3008 AML other m 2021-10-28T06:50:03.35
IV.GRI.EHN. ML:1.9 0.00026700000000000004 1.7 AML other m 2021-10-28T06:50:02.12
IV.SPS2.HHN. ML:0.0 0.00011292505 0.2976 AML other m 2021-10-28T06:50:03.15
IV.SPS2.HHE. ML:0.0 0.00010524845 0.3808 AML other m 2021-10-28T06:50:03.48
IV.GRI.EHE. ML:1.8 0.000211 1.58 AML other m 2021-10-28T06:50:04.16
IV.CAR1.HHN. ML:0.0 0.00021129035 0.3616 AML other m 2021-10-28T06:50:06.93
IV.PIPA.HNE. ML:1.8 0.00022372535 0.3424 AML other m 2021-10-28T06:50:06.46
IV.PIPA.HHN. ML:1.6 0.0001552635 0.16 AML other m 2021-10-28T06:50:07.90
IV.CAR1.HHE. ML:0.0 0.000108952555 0.3424 AML other m 2021-10-28T06:50:08.81
IV.PIPA.HHE. ML:1.8 0.0002127173 0.3616 AML other m 2021-10-28T06:50:06.46
IV.CELI.HNE. ML:2.2 0.0006230661 0.7808 AML other m 2021-10-28T06:50:02.76
IV.CAR1.HNE. ML:2.0 0.0003130979 0.4096 AML other m 2021-10-28T06:50:07.95
IV.CAR1.HNN. ML:2.1 0.0003821292 0.8512 AML other m 2021-10-28T06:50:05.35
IV.PLAC.HHN. ML:1.8 0.000079105115 0.7776 AML other m 2021-10-28T06:50:23.90
IV.PLAC.HNN. ML:1.8 0.000081506445 0.8416 AML other m 2021-10-28T06:50:24.30
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
Waveforms Seismic signals in miniseed + resp format Download