Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-02-2020 and time 11:29:37 (Italy) in region Costa Ionica Crotonese (Crotone)

A magnitude ML 1.4 earthquake occured in region: Costa Ionica Crotonese (Crotone), on

  • 11-02-2020 10:29:37 (UTC)
  • 11-02-2020 11:29:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.3970, 17.2220 at 12 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 9 14902 14902
Cirò KR 14 2936 17838
Crucoli KR 19 3115 20953
Melissa KR 20 3549 24502

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Crotone (62178 inhabitants)
77 Km NE of Catanzaro (90612 inhabitants)
84 Km E of Cosenza (67546 inhabitants)
91 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 1.4 2020-02-11
10:29:37		 39.3968 17.2222 13 2020-07-18
21:08:24		 Bollettino Sismico Italiano INGV 77069251
Reviewed
Rev100 		ML 1.7 2020-02-11
10:29:38		 39.3973 17.2083 10 2020-02-11
10:34:28		 Sala Sismica INGV-Roma 76427041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-11 10:29:37 ± 0.17
Latitude 39.3968 ± 0.0054
Longitude 17.2222 ± 0.0093
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77069251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 725
Semi-minor axis of confidence ellipse (meter) 346
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) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 303
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.21854
Epicentral distance of station farthest from the epicenter (degree) 0.55128
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 77069251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 13:12:30

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 76427041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-11 10:34:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHE. 2020-02-11T10:29:56.60 0.3 undecidable manual S 229 60.8946 92 -0.07 70
IV.CELI.HHZ. 2020-02-11T10:29:56.81 0.3 undecidable manual S 271 61.1943 92 0.07 71
MN.TIP.HHZ. 2020-02-11T10:29:53.04 0.3 undecidable manual S 239 46.5201 92 0.19 71
IV.PIPA.HHZ. 2020-02-11T10:29:50.01 0.3 undecidable manual S 286 36.1416 94 -0.07 73
IV.CELI.HHZ. 2020-02-11T10:29:48.71 0.1 undecidable manual P 271 61.1943 92 -0.09 93
IV.SERS.HHE. 2020-02-11T10:29:48.83 0.3 undecidable manual P 229 60.8946 92 0.07 71
IV.LADO.EHZ. 2020-02-11T10:29:46.78 0.3 undecidable manual S 239 24.2535 97 -0.14 74
MN.TIP.HHZ. 2020-02-11T10:29:46.39 0.1 undecidable manual P 239 46.5201 92 -0.16 94
IV.PIPA.HHZ. 2020-02-11T10:29:45.00 0.1 undecidable manual P 286 36.1416 94 0.04 100
IV.LADO.EHZ. 2020-02-11T10:29:43.27 0.1 undecidable manual P 239 24.2535 97 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHE. ML:0.5 0.000019741355 0.384 AML other m 2020-02-11T10:29:47.23
IV.LADO.EHN. ML:0.8 0.00003635 0.68 AML other m 2020-02-11T10:29:47.34
IV.PIPA.HNE. ML:2.1 0.000522 0.54 AML other m 2020-02-11T10:29:50.60
IV.PIPA.HHE. ML:2.1 0.0004985 0.54 AML other m 2020-02-11T10:29:50.33
IV.PIPA.HNN. ML:2.0 0.000389 0.46 AML other m 2020-02-11T10:29:50.47
IV.PIPA.HHN. ML:2.0 0.00041000000000000005 0.44 AML other m 2020-02-11T10:29:50.47
MN.TIP.HHE. ML:1.5 0.0000889 1.44 AML other m 2020-02-11T10:29:53.85
MN.TIP.HHN. ML:1.4 0.00006615 0.82 AML other m 2020-02-11T10:29:53.06
MN.TIP.HNN. ML:1.3 0.00005860855 0.5248 AML other m 2020-02-11T10:29:53.22
MN.TIP.HNE. ML:1.5 0.00008360468 0.32 AML other m 2020-02-11T10:29:53.85
IV.CELI.HHN. ML:1.1 0.0000243294341 0.2816 AML other m 2020-02-11T10:29:57.26
IV.CELI.HHE. ML:1.1 0.000025992294999999998 0 AML other m 2020-02-11T10:29:57.45
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