Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-02-2020 and time 22:33:52 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.6 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 18-02-2020 21:33:52 (UTC)
  • 18-02-2020 22:33:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.3940, 17.1700 at 16 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
Cirò Marina KR 5 14902 14902
Cirò KR 10 2936 17838
Crucoli KR 15 3115 20953
Melissa KR 16 3549 24502
Strongoli KR 17 6571 31073
Carfizzi KR 19 661 31734

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Crotone (62178 inhabitants)
73 Km NE of Catanzaro (90612 inhabitants)
79 Km E of Cosenza (67546 inhabitants)
87 Km NE of Lamezia Terme (70714 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 2020-02-18
21:33:52		 39.394 17.1703 17 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78608861
Reviewed
Rev100 		ML 1.6 2020-02-18
21:33:52		 39.3797 17.1512 9 2020-02-18
21:38:35		 Sala Sismica INGV-Roma 76635351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 21:33:52 ± 0.24
Latitude 39.3940 ± 0.0090
Longitude 17.1703 ± 0.0128
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78608861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 923
Semi-minor axis of confidence ellipse (meter) 749
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 297
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75453
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78608861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-26 21:13:49

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76635351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 21:38:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHZ. 2020-02-18T21:34:34.84 3.0 undecidable manual S 0
IV.CAR1.HHZ. 2020-02-18T21:34:17.05 0.3 undecidable manual S 260 83.7495 94 -0.56 62
IV.CRAC.EHZ. 2020-02-18T21:34:16.88 3.0 undecidable manual P 0
XK.ALB1.HHZ. 2020-02-18T21:34:12.64 0.3 undecidable manual S 230 64.0914 96 0.25 66
IV.CELI.HHZ. 2020-02-18T21:34:10.67 0.6 undecidable manual S 271 56.6988 97 0.25 46
IV.SERS.HHZ. 2020-02-18T21:34:10.82 0.6 undecidable manual S 226 57.3981 97 0.22 45
IV.CAR1.HHZ. 2020-02-18T21:34:07.46 0.6 undecidable manual P 260 83.7495 94 0.36 43
MN.TIP.HHZ. 2020-02-18T21:34:06.61 0.3 undecidable manual S 236 42.624 100 -0.1 74
IV.SPS2.HHZ. 2020-02-18T21:34:05.19 3.0 undecidable manual P 0
XK.ALB1.HHZ. 2020-02-18T21:34:04.10 0.3 undecidable manual P 230 64.0914 96 0.01 71
IV.PIPA.HHZ. 2020-02-18T21:34:04.14 0.3 undecidable manual S 289 32.0457 105 0.2 74
IV.SERS.HHZ. 2020-02-18T21:34:03.00 0.3 positive manual P 226 57.3981 97 -0.05 71
IV.CELI.HHZ. 2020-02-18T21:34:02.90 0.1 undecidable manual P 271 56.6988 97 -0.05 95
MN.TIP.HHZ. 2020-02-18T21:34:00.57 0.3 undecidable manual P 236 42.624 100 -0.24 71
IV.PIPA.HHZ. 2020-02-18T21:33:59.27 0.1 negative manual P 289 32.0457 105 0.07 100
IV.LADO.EHZ. 2020-02-18T21:33:57.49 0.3 undecidable manual P 233 20.4684 118 -0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIPA.HNE. ML:2.0 0.0004021659 0.2816 AML other m 2020-02-18T21:34:04.47
IV.PIPA.HNN. ML:2.1 0.0004855076 0.2432 AML other m 2020-02-18T21:34:04.46
IV.PIPA.HHN. ML:2.1 0.0005255265 0.2432 AML other m 2020-02-18T21:34:04.58
IV.PIPA.HHE. ML:2.0 0.0003813048 0.256 AML other m 2020-02-18T21:34:04.46
MN.TIP.HHE. ML:1.2 0.000048662274999999995 0.3456 AML other m 2020-02-18T21:34:08.00
MN.TIP.HHN. ML:1.2 0.000049249500000000003 0.5248 AML other m 2020-02-18T21:34:07.24
IV.CELI.HHE. ML:1.3 0.00004581951 0.6016 AML other m 2020-02-18T21:34:18.14
IV.CELI.HNN. ML:1.4 0.00006136738 0.8448 AML other m 2020-02-18T21:34:16.70
IV.CELI.HHN. ML:1.4 0.00005062681 0.3968 AML other m 2020-02-18T21:34:12.70
IV.CELI.HNE. ML:1.4 0.00005559339000000001 0.576 AML other m 2020-02-18T21:34:18.12
IV.SERS.HNN. ML:1.6 0.000095785415 0.96 AML other m 2020-02-18T21:34:20.24
IV.SERS.HHN. ML:1.3 0.000046936365 0.256 AML other m 2020-02-18T21:34:12.54
IV.SERS.HHE. ML:1.4 0.00005939131 0.6016 AML other m 2020-02-18T21:34:16.04
IV.SERS.HNE. ML:1.9 0.00017936552500000003 0.8448 AML other m 2020-02-18T21:34:13.11
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