Earthquake with magnitude of ML 1.1 on date 31-07-2021 and time 04:02:50 (Italy) in region 6 km SW Cutro (KR)

A magnitude ML 1.1 earthquake occured in region: 6 km SW Cutro (KR), on

  • 31-07-2021 02:02:50 (UTC)
  • 31-07-2021 04:02:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9820, 16.9530 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.

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 6 10541 10541
Botricello CZ 9 5220 15761
Marcedusa CZ 11 448 16209
Isola di Capo Rizzuto KR 13 17643 33852
San Mauro Marchesato KR 14 2157 36009
Cropani CZ 15 4778 40787
Belcastro CZ 15 1399 42186
Scandale KR 16 3169 45355
Andali CZ 16 769 46124
Mesoraca KR 18 6523 52647
PetronĂ  CZ 18 2629 55276
Roccabernarda KR 18 3393 58669
Crotone KR 19 62178 120847
Cerva CZ 19 1223 122070
Santa Severina KR 19 2131 124201
Sersale CZ 20 4630 128831
Sellia Marina CZ 20 7513 136344
Petilia Policastro KR 20 9173 145517

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SW of Crotone (62178 inhabitants)
32 Km E of Catanzaro (90612 inhabitants)
55 Km E of Lamezia Terme (70714 inhabitants)
69 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 1.1 2021-07-31
02:02:50
38.9817 16.9533 7 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 97495151
Reviewed
Rev100
ML 1.1 2021-07-31
02:02:50
38.9788 16.9485 8 2021-07-31
02:08:32
Sala Sismica INGV-Roma 93423071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-31 02:02:50 ± 0.19
Latitude 38.9817 ± 0.0063
Longitude 16.9533 ± 0.0104
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 97495151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 955
Semi-minor axis of confidence ellipse (meter) 487
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
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) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.21224
Epicentral distance of station farthest from the epicenter (degree) 0.94699
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 97495151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-16 17:16:52

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 93423071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-31 02:08:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2021-07-31T02:03:11.70 0.6 undecidable manual S 303 62.9925 50 0.56 41
IV.CELI.HHZ. 2021-07-31T02:03:10.35 0.6 undecidable manual S 321 60.3951 50 -0.07 46
IV.CET2.HHZ. 2021-07-31T02:03:09.32 0.3 undecidable manual P 306 105.117 50 0.23 62
IV.PLAC.HHE. 2021-07-31T02:03:04.67 0.6 undecidable manual P 217 73.9704 50 0.37 43
IV.CAR1.HHN. 2021-07-31T02:03:04.04 0.3 undecidable manual P 296 70.5738 50 0.26 66
IV.LADO.EHZ. 2021-07-31T02:03:03.48 0.6 undecidable manual S 4 33.6441 102 0.6 43
IV.SPS2.HHZ. 2021-07-31T02:03:02.39 0.1 undecidable manual P 303 62.9925 50 -0.22 90
IV.CELI.HHZ. 2021-07-31T02:03:01.92 0.1 undecidable manual P 321 60.3951 50 -0.28 89
IV.PIPA.HHZ. 2021-07-31T02:03:01.32 0.3 undecidable manual P 348 57.0984 50 -0.38 66
IV.SELL.HHZ. 2021-07-31T02:03:00.99 0.6 undecidable manual S 270 28.0497 104 -0.01 50
IV.GRI.EHN. 2021-07-31T02:03:00.39 0.3 undecidable manual P 249 49.3173 50 -0.11 71
MN.TIP.HHZ. 2021-07-31T02:03:00.65 0.3 undecidable manual S 323 27.6501 104 -0.21 72
IV.SERS.HHE. 2021-07-31T02:02:59.53 0.6 undecidable manual S 285 23.5542 107 0.02 50
IV.LADO.EHZ. 2021-07-31T02:02:57.82 0.3 undecidable manual P 4 33.6441 102 -0.02 74
MN.TIP.HHZ. 2021-07-31T02:02:56.67 0.1 undecidable manual P 323 27.6501 104 0 100
IV.SELL.HHZ. 2021-07-31T02:02:56.68 0.1 undecidable manual P 270 28.0497 104 -0.08 98
IV.SERS.HHE. 2021-07-31T02:02:55.97 0.1 undecidable manual P 285 23.5542 107 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TIP.HHN. ML:1.3 0.00010200000000000001 0.38 AML other m 2021-07-31T02:03:01.28
MN.TIP.HHE. ML:1.2 0.00009715 0.44 AML other m 2021-07-31T02:03:01.27
IV.SELL.HHE. ML:1.1 0.00006405 0.36 AML other m 2021-07-31T02:03:01.78
IV.LADO.EHN. ML:1.3 0.0000876 1.8 AML other m 2021-07-31T02:03:03.00
IV.SELL.HHN. ML:0.9 0.00004255 0.34 AML other m 2021-07-31T02:03:04.69
IV.LADO.EHE. ML:1.3 0.00009295000000000001 1.38 AML other m 2021-07-31T02:03:07.96
IV.CELI.HHE. ML:0.9 0.000016800000000000002 0.42 AML other m 2021-07-31T02:03:12.23
IV.CELI.HHN. ML:0.9 0.0000158 0.48 AML other m 2021-07-31T02:03:13.46
IV.SPS2.HHN. ML:1.1 0.000025149999999999998 0.76 AML other m 2021-07-31T02:03:14.51
IV.SPS2.HHE. ML:1.0 0.00001795 0.46 AML other m 2021-07-31T02:03:15.32
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