Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 16-08-2021 and time 00:52:31 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 2.4 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 15-08-2021 22:52:31 (UTC)
  • 16-08-2021 00:52:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.1320, 17.1140 at 22 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
Crotone KR 6 62178 62178
Rocca di Neto KR 12 5687 67865
Scandale KR 13 3169 71034
Cutro KR 16 10541 81575
Strongoli KR 16 6571 88146
San Mauro Marchesato KR 17 2157 90303
Santa Severina KR 17 2131 92434
Casabona KR 19 2718 95152
Isola di Capo Rizzuto KR 19 17643 112795

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km N of Crotone (62178 inhabitants)
51 Km NE of Catanzaro (90612 inhabitants)
71 Km E of Lamezia Terme (70714 inhabitants)
76 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 2.4 2021-08-15
22:52:31		 39.132 17.1143 22 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95835181
Reviewed
Rev100 		ML 2.4 2021-08-15
22:52:32		 39.1768 17.0298 24 2021-08-15
23:00:48		 Sala Sismica INGV-Roma 94223681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-15 22:52:31 ± 0.18
Latitude 39.1320 ± 0.0099
Longitude 17.1143 ± 0.0174
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95835181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1509
Semi-minor axis of confidence ellipse (meter) 773
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 1510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.18436
Epicentral distance of station farthest from the epicenter (degree) 2.15028
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 95835181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-27 16:14:23

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 62
Type of magnitude ML
Reference to an origin 94223681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-15 23:00:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KEK.HHZ. 2021-08-15T22:53:06.22 0.6 undecidable manual P 73 238.6833 54 -0.53 21
IV.IVPL.HHZ. 2021-08-15T22:53:01.90 0.3 undecidable manual P 246 202.7415 54 -0.38 42
IV.MTSN.HHZ. 2021-08-15T22:52:59.04 0.6 undecidable manual P 318 171.3951 54 0.67 29
IV.MPNC.HHZ. 2021-08-15T22:52:59.44 0.6 undecidable manual P 235 187.7676 54 -0.97 25
IV.MTTG.HHZ. 2021-08-15T22:52:59.25 0.1 undecidable manual P 225 175.2912 54 0.39 64
IV.MCEL.HHZ. 2021-08-15T22:52:59.11 0.3 undecidable manual P 320 173.2932 54 0.49 47
IV.MIGL.HHZ. 2021-08-15T22:52:58.79 0.6 undecidable manual P 341 173.0934 54 0.2 34
GE.MATE.HHN. 2021-08-15T22:52:57.42 0.3 undecidable manual P 348 171.8946 54 -1.01 39
IV.SIRI.HHZ. 2021-08-15T22:52:57.58 0.3 undecidable manual P 318 157.8198 54 0.89 43
OT.MASS.HHE. 2021-08-15T22:52:56.49 0.6 undecidable manual P 1 166.5111 54 -1.28 23
IV.CRAC.EHN. 2021-08-15T22:52:56.04 0.3 undecidable manual P 338 150.2385 54 0.3 55
MN.CUC.HHZ. 2021-08-15T22:52:55.50 0.3 undecidable manual P 311 146.5422 54 0.22 56
IV.SOI.EHN. 2021-08-15T22:52:55.94 0.3 undecidable manual P 218 149.1396 54 0.33 55
IV.SCTE.HHZ. 2021-08-15T22:52:55.68 0.3 undecidable manual P 48 155.7219 54 -0.75 47
IV.GRIS.EHZ. 2021-08-15T22:52:52.85 0.3 undecidable manual P 302 127.3725 96 0.27 58
IV.JOPP.HHZ. 2021-08-15T22:52:51.76 0.3 undecidable manual P 242 121.0899 96 0.15 61
IV.ORI.HHN. 2021-08-15T22:52:51.68 0.3 undecidable manual P 331 116.6943 96 0.74 52
IV.CET2.HHZ. 2021-08-15T22:52:49.35 0.3 undecidable manual P 294 108.8133 97 -0.38 59
IV.CELI.HHZ. 2021-08-15T22:52:49.48 0.6 undecidable manual S 300 60.0954 103 -0.81 38
IV.PLAC.HHE. 2021-08-15T22:52:47.80 0.3 undecidable manual P 218 95.6376 98 0.07 65
IV.TDS.HHZ. 2021-08-15T22:52:46.04 0.6 undecidable manual P 312 88.6446 98 -0.62 38
IV.PIPA.HHZ. 2021-08-15T22:52:46.72 0.6 undecidable manual S 327 46.8198 108 -0.16 47
IV.GIZZ.HHZ. 2021-08-15T22:52:45.78 0.3 undecidable manual P 258 79.8645 100 0.46 62
IV.SERS.HHZ. 2021-08-15T22:52:45.18 0.3 undecidable manual S 254 38.1285 113 0.47 67
IV.SELL.HHZ. 2021-08-15T22:52:45.99 0.6 undecidable manual S 249 45.0216 109 -0.44 44
IV.CAR1.HHZ. 2021-08-15T22:52:45.28 0.3 undecidable manual P 280 78.7656 100 0.13 66
IV.GRI.EHN. 2021-08-15T22:52:43.75 0.3 undecidable manual P 240 69.0753 101 0.07 69
IV.SPS2.HHZ. 2021-08-15T22:52:43.40 0.1 undecidable manual P 285 68.9754 101 -0.26 88
IV.CELI.HHZ. 2021-08-15T22:52:42.24 0.1 negative manual P 300 60.0954 103 -0.08 93
MN.TIP.HHZ. 2021-08-15T22:52:41.97 0.6 undecidable manual S 280 31.0467 118 -1.03 35
IV.LADO.EHZ. 2021-08-15T22:52:41.36 0.6 undecidable manual S 326 20.4684 132 0.69 43
IV.SELL.HHZ. 2021-08-15T22:52:40.00 0.1 undecidable manual P 249 45.0216 109 -0.1 95
IV.PIPA.HHZ. 2021-08-15T22:52:40.53 0.1 undecidable manual P 327 46.8198 108 0.18 93
IV.SERS.HHZ. 2021-08-15T22:52:39.00 0.1 negative manual P 254 38.1285 113 -0.11 96
MN.TIP.HHZ. 2021-08-15T22:52:38.03 0.1 negative manual P 280 31.0467 118 -0.09 97
IV.LADO.EHZ. 2021-08-15T22:52:36.87 0.1 negative manual P 326 20.4684 132 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:2.5 0.0016400000000000002 1.58 AML other m 2021-08-15T22:52:43.09
MN.TIP.HHE. ML:2.3 0.000716 0.28 AML other m 2021-08-15T22:52:44.21
MN.TIP.HNE. ML:2.3 0.0006985 0.26 AML other m 2021-08-15T22:52:44.22
IV.SERS.HHN. ML:2.4 0.00083396255 0.4352 AML other m 2021-08-15T22:52:45.67
IV.SERS.HNE. ML:2.4 0.00075020765 0.4864 AML other m 2021-08-15T22:52:45.68
IV.LADO.EHE. ML:2.6 0.0022196930000000004 0.32 AML other m 2021-08-15T22:52:46.69
IV.PIPA.HHN. ML:2.7 0.0012706504999999999 0.512 AML other m 2021-08-15T22:52:52.91
IV.PIPA.HNN. ML:2.7 0.0012349999999999998 1.5 AML other m 2021-08-15T22:52:52.92
IV.CELI.HNE. ML:2.4 0.00048350000000000004 1.46 AML other m 2021-08-15T22:52:55.73
IV.CELI.HHE. ML:2.3 0.00037239825 0.5376 AML other m 2021-08-15T22:52:55.74
IV.PIPA.HHE. ML:2.6 0.0009717687 0.384 AML other m 2021-08-15T22:52:55.74
IV.PIPA.HNE. ML:2.6 0.0009487353499999999 0.384 AML other m 2021-08-15T22:52:55.75
IV.SELL.HNE. ML:2.6 0.001165 0.54 AML other m 2021-08-15T22:52:56.16
IV.SELL.HHE. ML:2.1 0.0003524733 0.5376 AML other m 2021-08-15T22:52:56.16
IV.SPS2.HHE. ML:2.0 0.00016 0.94 AML other m 2021-08-15T22:52:56.46
IV.CELI.HNN. ML:2.1 0.00026627005 0.6656 AML other m 2021-08-15T22:53:00.68
IV.CELI.HHN. ML:2.2 0.0002845 0.62 AML other m 2021-08-15T22:53:00.35
IV.CAR1.HHE. ML:2.4 0.0003085 0.9 AML other m 2021-08-15T22:53:00.05
IV.SPS2.HHN. ML:2.0 0.00016399999999999997 0.48 AML other m 2021-08-15T22:53:00.34
IV.CAR1.HHN. ML:2.6 0.0005954999999999999 0.44 AML other m 2021-08-15T22:53:02.97
IV.MTTG.HHN. ML:2.4 0.00009989999999999999 0.58 AML other m 2021-08-15T22:53:09.32
IV.TDS.HHN. ML:2.2 0.00016949999999999997 1.38 AML other m 2021-08-15T22:53:10.05
IV.TDS.HHE. ML:2.1 0.00014700000000000002 0.8 AML other m 2021-08-15T22:53:12.69
IV.JOPP.HNN. ML:2.2 0.0001154 0.78 AML other m 2021-08-15T22:53:12.71
IV.JOPP.HHE. ML:2.1 0.00008854999999999998 1.26 AML other m 2021-08-15T22:53:12.36
IV.JOPP.HHN. ML:2.2 0.00011460000000000001 1.34 AML other m 2021-08-15T22:53:13.71
IV.CET2.HHE. ML:2.4 0.00023899999999999998 0.74 AML other m 2021-08-15T22:53:14.46
IV.JOPP.HNE. ML:2.2 0.00011604999999999999 0.7 AML other m 2021-08-15T22:53:14.19
IV.CET2.HHN. ML:2.8 0.0005249999999999999 1.34 AML other m 2021-08-15T22:53:14.85
IV.GRIS.EHE. ML:2.4 0.0001835 1.44 AML other m 2021-08-15T22:53:16.94
IV.GRIS.EHN. ML:2.5 0.0001885 1.12 AML other m 2021-08-15T22:53:24.10
IV.SCTE.HHN. ML:2.6 0.00020150000000000002 0.48 AML other m 2021-08-15T22:53:24.60
IV.SCTE.HHE. ML:2.5 0.0001464 0.9 AML other m 2021-08-15T22:53:32.27
IV.MTTG.HHE. ML:2.3 0.00007780000000000001 0.62 AML other m 2021-08-15T22:53:32.88
MN.CUC.HHE. ML:2.4 0.00011999999999999999 0.84 AML other m 2021-08-15T22:53:33.80
IV.MPNC.HHN. ML:2.5 0.00011515000000000001 1.24 AML other m 2021-08-15T22:53:34.13
MN.CUC.HHN. ML:2.2 0.0000872 0.82 AML other m 2021-08-15T22:53:36.53
IV.MCEL.HHE. ML:2.2 0.0000626 0.62 AML other m 2021-08-15T22:53:38.57
IV.IVPL.HHN. ML:2.7 0.00014250000000000002 1.38 AML other m 2021-08-15T22:53:38.14
IV.MPNC.HHE. ML:2.6 0.00013800000000000002 0.96 AML other m 2021-08-15T22:53:40.28
IV.MCEL.HHN. ML:2.2 0.00005785 1.26 AML other m 2021-08-15T22:53:52.82
IV.IVPL.HHE. ML:2.6 0.00010580000000000001 0.68 AML other m 2021-08-15T22:53:53.56
MN.KEK.HHN. ML:2.3 0.00004685 1.08 AML other m 2021-08-15T22:53:56.44
MN.KEK.HHE. ML:2.4 0.000055350000000000004 0.54 AML other m 2021-08-15T22:54:04.20
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