Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-05-2018 and time 20:46:43 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 2.1 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 21-05-2018 18:46:43 (UTC)
  • 21-05-2018 20:46:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.5610, 15.8380 at 87 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
Bonifati CS 7 2858 2858
Belvedere Marittimo CS 7 9371 12229
Sangineto CS 8 1338 13567
Cetraro CS 10 10128 23695
Acquappesa CS 12 1907 25602
Diamante CS 13 5329 30931
Sant'Agata di Esaro CS 14 1890 32821
Buonvicino CS 15 2247 35068
Maierà CS 17 1224 36292
Guardia Piemontese CS 18 1911 38203
Grisolia CS 19 2249 40452
Fagnano Castello CS 19 3885 44337
Malvito CS 19 1795 46132
San Sosti CS 20 2185 48317

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Cosenza (67546 inhabitants)
77 Km NW of Lamezia Terme (70714 inhabitants)
98 Km NW of Catanzaro (90612 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 2.1 2018-05-21
18:46:43		 39.5608 15.8375 87 2019-04-24
14:50:45		 Bollettino Sismico Italiano INGV 57942241
Reviewed
Rev100 		ML 2.1 2018-05-21
18:46:42		 39.6007 15.9477 94 2018-05-21
18:54:45		 Sala Sismica INGV-Roma 57095331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-21 18:46:43 ± 0.14
Latitude 39.5608 ± 0.0090
Longitude 15.8375 ± 0.0210
Depth (km) 87 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57942241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1852
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 1.35798
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 57942241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-15 08:45:13

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 57095331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-21 18:54:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2018-05-21T18:47:10.60 1.0 undecidable manual S 339 68.376 137 -0.04 22
IV.IVPL.HHZ. 2018-05-21T18:47:09.21 0.6 undecidable manual P 210 150.738 113 1.56 23
IV.SPS2.HHZ. 2018-05-21T18:47:08.70 0.3 undecidable manual S 125 52.3032 145 0.23 66
IV.CAR1.HHZ. 2018-05-21T18:47:07.70 0.6 undecidable manual S 137 46.8198 148 -0.11 46
MN.CUC.HHZ. 2018-05-21T18:47:07.70 0.6 undecidable manual S 358 48.0186 147 -0.25 44
IV.MMN.HHZ. 2018-05-21T18:47:06.70 0.6 undecidable manual S 20 38.8278 153 -0.27 45
IV.ACER.HHZ. 2018-05-21T18:47:06.25 0.3 undecidable manual P 4 136.2636 116 0.24 56
IV.PLAC.HHZ. 2018-05-21T18:47:05.83 0.6 undecidable manual P 157 133.7661 116 0.1 39
IV.GRIS.HNE. 2018-05-21T18:47:05.60 0.3 undecidable manual S 4 19.9689 165 0.08 74
IV.CET2.HHZ. 2018-05-21T18:47:05.30 0.6 undecidable manual S 110 10.5783 172 0.17 49
IV.MIGL.HHZ. 2018-05-21T18:47:04.29 0.3 positive manual P 24 126.5733 118 -0.64 54
IX.SRN3.HNE. 2018-05-21T18:47:03.05 1.0 undecidable manual P 343 107.6145 123 0.15 20
IV.JOPP.HHZ. 2018-05-21T18:47:02.36 0.1 negative manual P 178 105.9162 123 -0.36 76
IV.PIPA.HHZ. 2018-05-21T18:47:01.02 0.6 positive manual P 95 84.1491 131 0.47 38
IV.SERS.HHZ. 2018-05-21T18:47:01.46 0.1 negative manual P 128 93.4398 127 0.01 85
IV.LADO.EHE. 2018-05-21T18:47:01.91 0.3 undecidable manual P 107 102.5196 124 -0.47 59
IV.CMPR.HHZ. 2018-05-21T18:47:01.83 0.1 undecidable manual P 332 95.5377 126 0.17 84
MN.TIP.HHZ. 2018-05-21T18:47:01.08 0.6 negative manual P 118 89.5437 129 0.01 43
IV.SLCN.HHZ. 2018-05-21T18:47:01.70 0.6 positive manual P 349 93.6396 127 0.23 41
IV.GRI.EHN. 2018-05-21T18:47:01.47 1.0 undecidable manual P 148 96.0261 126 -0.24 20
IV.MCEL.HHZ. 2018-05-21T18:47:00.78 0.3 undecidable manual P 358 84.8484 130 0.17 63
IV.MTSN.HHE. 2018-05-21T18:46:59.73 0.1 undecidable manual P 355 78.5658 133 -0.31 83
IV.BULG.HHN. 2018-05-21T18:46:59.69 1.0 undecidable manual P 326 69.4749 137 0.46 21
IV.MGR.HHZ. 2018-05-21T18:46:59.01 0.6 undecidable manual P 339 68.376 137 -0.13 43
IV.SALB.HHZ. 2018-05-21T18:46:58.61 0.1 undecidable manual P 51 55.7997 143 0.48 81
IV.SPS2.HHZ. 2018-05-21T18:46:57.68 0.1 undecidable manual P 125 52.3032 145 -0.2 90
IV.CAR1.HHZ. 2018-05-21T18:46:57.22 0.1 positive manual P 137 46.8198 148 -0.28 88
IV.TDS.HHZ. 2018-05-21T18:46:57.60 0.6 positive manual P 75 44.1225 150 0.28 44
IV.MMN.HHZ. 2018-05-21T18:46:57.13 0.1 undecidable manual P 20 38.8278 153 0.12 93
MN.CUC.HHZ. 2018-05-21T18:46:57.35 0.1 positive manual P 358 48.0186 147 -0.23 89
IV.CET2.HHZ. 2018-05-21T18:46:56.01 0.1 positive manual P 110 10.5783 172 0.06 100
IV.GRIS.HNE. 2018-05-21T18:46:56.07 0.3 undecidable manual P 4 19.9689 165 -0.1 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHN. ML:2.7 0.000697 0.16 AML other m 2018-05-21T18:47:05.51
IV.CAR1.HNN. ML:2.6 0.0003785 1.22 AML other m 2018-05-21T18:47:07.98
IV.CAR1.HHN. ML:2.5 0.0003205 1.22 AML other m 2018-05-21T18:47:07.37
MN.CUC.HNE. ML:1.9 0.00007713833505 1.1776 AML other m 2018-05-21T18:47:08.63
MN.CUC.HHE. ML:2.0 0.00010885 1.16 AML other m 2018-05-21T18:47:08.94
MN.CUC.HHN. ML:1.9 0.00008609999999999999 0.58 AML other m 2018-05-21T18:47:08.29
IV.CAR1.HNE. ML:2.5 0.00033999999999999997 0.32 AML other m 2018-05-21T18:47:08.61
IV.CAR1.HHE. ML:2.6 0.000411 0.28 AML other m 2018-05-21T18:47:08.62
IV.SPS2.HHN. ML:2.0 0.00009290000000000001 1.7 AML other m 2018-05-21T18:47:10.92
IV.MGR.HHN. ML:2.0 0.00008080000000000001 0.38 AML other m 2018-05-21T18:47:11.43
IV.TDS.HHE. ML:1.7 0.0000506 1.48 AML other m 2018-05-21T18:47:11.05
IV.SPS2.HHE. ML:1.9 0.00006914999999999999 0.76 AML other m 2018-05-21T18:47:12.71
IV.TDS.HHN. ML:1.7 0.000051250000000000006 1.14 AML other m 2018-05-21T18:47:12.97
IV.SALB.HHN. ML:2.0 0.00008885 0.28 AML other m 2018-05-21T18:47:13.17
IV.SALB.HHE. ML:2.3 0.0001735 0.22 AML other m 2018-05-21T18:47:13.62
IV.MGR.HHE. ML:2.0 0.00009429999999999999 1.8 AML other m 2018-05-21T18:47:13.96
IV.MCEL.HHE. ML:1.9 0.00005434999999999999 0.38 AML other m 2018-05-21T18:47:16.39
IV.CMPR.HHE. ML:1.9 0.000048599999999999995 0.34 AML other m 2018-05-21T18:47:16.43
IV.MCEL.HHN. ML:1.8 0.000042499999999999996 0.48 AML other m 2018-05-21T18:47:16.46
IV.JOPP.HHE. ML:2.4 0.00016949999999999997 0.34 AML other m 2018-05-21T18:47:17.20
IV.SERS.HHN. ML:2.0 0.0000751 0.3 AML other m 2018-05-21T18:47:17.21
IV.JOPP.HHN. ML:2.4 0.0001525 0.56 AML other m 2018-05-21T18:47:17.40
IV.CMPR.HHN. ML:1.7 0.00003195 0.98 AML other m 2018-05-21T18:47:18.49
IV.SERS.HHE. ML:2.0 0.00007725 0.36 AML other m 2018-05-21T18:47:19.24
MN.TIP.HHN. ML:1.7 0.0000348 0.28 AML other m 2018-05-21T18:47:19.72
MN.TIP.HHE. ML:1.6 0.0000314 1.48 AML other m 2018-05-21T18:47:19.94
IV.SLCN.HHN. ML:2.0 0.000059399999999999994 0.42 AML other m 2018-05-21T18:47:20.66
IV.SLCN.HHE. ML:2.0 0.00007185 0.54 AML other m 2018-05-21T18:47:20.73
GE.MATE.HHE. ML:2.2 0.00006295000000000001 1.78 AML other m 2018-05-21T18:47:21.91
GE.MATE.HHN. ML:2.2 0.0000711 1.18 AML other m 2018-05-21T18:47:22.90
IV.PLAC.HHN. ML:2.0 0.0000471 0.84 AML other m 2018-05-21T18:47:22.90
OT.TAR1.HHN. ML:2.6 0.0001315 1.3 AML other m 2018-05-21T18:47:25.20
OT.TAR1.HHE. ML:2.6 0.00014050000000000003 0.24 AML other m 2018-05-21T18:47:26.17
IV.PLAC.HHE. ML:2.0 0.0000524 1 AML other m 2018-05-21T18:47:27.93
IV.MRVN.HHE. ML:1.9 0.000030600000000000005 0.68 AML other m 2018-05-21T18:47:27.42
IV.NOCI.HHE. ML:2.6 0.00014150000000000002 0.38 AML other m 2018-05-21T18:47:27.78
IV.AMUR.HHN. ML:2.0 0.000033799999999999995 0.14 AML other m 2018-05-21T18:47:28.10
IV.MRVN.HHN. ML:2.0 0.00003275 1.06 AML other m 2018-05-21T18:47:28.70
IV.NOCI.HHN. ML:2.6 0.000144 0.1 AML other m 2018-05-21T18:47:29.05
IV.AMUR.HHE. ML:2.2 0.00005325000000000001 1.1 AML other m 2018-05-21T18:47:29.00
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