Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 20-07-2021 and time 21:30:46 (Italy) in region 5 km SW Cutro (KR)

A magnitude ML 1.6 earthquake occured in region: 5 km SW Cutro (KR), on

  • 20-07-2021 19:30:46 (UTC)
  • 20-07-2021 21:30:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0110, 16.9380 at 10 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
Cutro KR 5 10541 10541
Marcedusa CZ 9 448 10989
San Mauro Marchesato KR 10 2157 13146
Botricello CZ 10 5220 18366
Scandale KR 13 3169 21535
Belcastro CZ 13 1399 22934
Cropani CZ 14 4778 27712
Andali CZ 15 769 28481
Isola di Capo Rizzuto KR 15 17643 46124
Mesoraca KR 15 6523 52647
Roccabernarda KR 15 3393 56040
Santa Severina KR 15 2131 58171
Petronà CZ 16 2629 60800
Petilia Policastro KR 17 9173 69973
Cerva CZ 17 1223 71196
Crotone KR 18 62178 133374
Sersale CZ 18 4630 138004

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Crotone (62178 inhabitants)
32 Km E of Catanzaro (90612 inhabitants)
54 Km E of Lamezia Terme (70714 inhabitants)
67 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 1.6 2021-07-20
19:30:46		 39.0112 16.9382 10 2021-12-29
11:12:25		 Bollettino Sismico Italiano INGV 94998521
Reviewed
Rev100 		ML 1.6 2021-07-20
19:30:46		 39.0267 16.9208 11 2021-07-20
19:40:16		 Sala Sismica INGV-Roma 92996441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-20 19:30:46 ± 0.19
Latitude 39.0112 ± 0.0063
Longitude 16.9382 ± 0.0104
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94998521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 942
Semi-minor axis of confidence ellipse (meter) 579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 298
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.19515
Epicentral distance of station farthest from the epicenter (degree) 1.11066
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 20
Type of magnitude ML
Reference to an origin 94998521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-03 20:35:37

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 92996441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-20 19:40:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHE. 2021-07-20T19:31:22.31 1.0 undecidable manual S 311 123.2877 50 0.5 19
IV.CET2.HHZ. 2021-07-20T19:31:16.46 0.6 undecidable manual S 305 102.12 50 0.29 41
IV.JOPP.HHE. 2021-07-20T19:31:16.35 0.6 undecidable manual S 244 101.4207 50 0.37 41
IV.CAR1.HHZ. 2021-07-20T19:31:07.45 0.6 undecidable manual S 293 68.0763 50 0.38 43
IV.GRIS.EHE. 2021-07-20T19:31:06.98 0.6 undecidable manual P 311 123.2877 50 0.21 40
IV.PIPA.HHZ. 2021-07-20T19:31:04.13 0.6 undecidable manual S 349 53.6019 50 0.92 37
IV.CELI.HHZ. 2021-07-20T19:31:03.58 1.0 undecidable manual S 320 56.9985 50 -0.54 21
IV.CET2.HHZ. 2021-07-20T19:31:03.25 0.3 undecidable manual P 305 102.12 50 -0.25 63
IV.JOPP.HHE. 2021-07-20T19:31:03.74 0.3 undecidable manual P 244 101.4207 50 0.34 61
IV.GRI.EHN. 2021-07-20T19:31:02.23 1.0 undecidable manual S 245 49.4172 50 0.14 24
IV.TDS.HHZ. 2021-07-20T19:31:01.29 0.3 undecidable manual P 325 88.5447 50 -0.12 66
IV.PLAC.HHE. 2021-07-20T19:30:59.46 0.3 undecidable manual P 215 75.8685 50 0 69
IV.CAR1.HHZ. 2021-07-20T19:30:58.14 0.3 undecidable manual P 293 68.0763 50 -0.11 69
IV.SPS2.HHZ. 2021-07-20T19:30:56.62 0.3 undecidable manual P 301 60.1953 50 -0.42 65
IV.CELI.HHZ. 2021-07-20T19:30:56.00 0.3 undecidable manual P 320 56.9985 50 -0.55 64
IV.SELL.HHZ. 2021-07-20T19:30:55.66 0.3 undecidable manual S 263 26.9508 50 -0.44 69
IV.GRI.EHN. 2021-07-20T19:30:55.39 0.3 undecidable manual P 245 49.4172 50 0.01 73
MN.TIP.HHZ. 2021-07-20T19:30:55.16 0.3 undecidable manual S 320 24.2535 112 -0.14 74
IV.PIPA.HHZ. 2021-07-20T19:30:55.90 0.3 undecidable manual P 349 53.6019 50 -0.13 70
IV.SERS.HHE. 2021-07-20T19:30:54.54 0.3 undecidable manual S 277 21.6672 115 0.06 76
IV.LADO.EHZ. 2021-07-20T19:30:52.56 0.1 undecidable manual P 7 30.4473 50 0.1 98
MN.TIP.HHZ. 2021-07-20T19:30:51.53 0.1 positive manual P 320 24.2535 112 0.08 100
IV.SERS.HHE. 2021-07-20T19:30:51.21 0.1 undecidable manual P 277 21.6672 115 0.23 97
IV.SELL.HHZ. 2021-07-20T19:30:51.85 0.1 undecidable manual P 263 26.9508 50 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.9 0.0004765 0.16 AML other m 2021-07-20T19:30:55.38
MN.TIP.HNN. ML:1.9 0.0004645 0.16 AML other m 2021-07-20T19:30:55.38
MN.TIP.HHE. ML:2.0 0.0005700000000000001 0.2 AML other m 2021-07-20T19:30:55.42
MN.TIP.HNE. ML:2.0 0.0005769999999999999 0.2 AML other m 2021-07-20T19:30:55.42
IV.SELL.HNE. ML:1.7 0.00029800000000000003 0.4 AML other m 2021-07-20T19:30:56.43
IV.SELL.HHE. ML:1.2 0.00009554999999999999 0.34 AML other m 2021-07-20T19:30:56.46
IV.SELL.HNN. ML:1.7 0.000265 0.52 AML other m 2021-07-20T19:30:57.32
IV.SELL.HHN. ML:1.1 0.00007615 0.6 AML other m 2021-07-20T19:30:57.32
IV.LADO.EHN. ML:1.7 0.0002385 0.84 AML other m 2021-07-20T19:30:59.14
IV.LADO.EHE. ML:1.9 0.000356 0.22 AML other m 2021-07-20T19:31:01.45
IV.PIPA.HHE. ML:1.8 0.00014000000000000001 0.22 AML other m 2021-07-20T19:31:05.70
IV.SPS2.HHE. ML:1.2 0.00003395 1 AML other m 2021-07-20T19:31:06.63
IV.SPS2.HHN. ML:1.3 0.000039800000000000005 0.38 AML other m 2021-07-20T19:31:06.26
IV.CELI.HHN. ML:1.3 0.000037699999999999995 0.26 AML other m 2021-07-20T19:31:07.28
IV.PIPA.HHN. ML:1.7 0.00011049999999999999 1.14 AML other m 2021-07-20T19:31:07.29
IV.CAR1.HHE. ML:1.5 0.000053099999999999996 0.34 AML other m 2021-07-20T19:31:10.12
IV.CELI.HHE. ML:1.2 0.0000355 1.38 AML other m 2021-07-20T19:31:10.21
IV.CAR1.HHN. ML:1.7 0.0000808 0.4 AML other m 2021-07-20T19:31:12.99
IV.CET2.HHE. ML:1.6 0.00004215 1 AML other m 2021-07-20T19:31:19.32
IV.CET2.HHN. ML:1.9 0.00008094999999999999 0.44 AML other m 2021-07-20T19:31:19.86
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