Earthquake with magnitude of ML 1.4 on date 04-02-2020 and time 09:50:15 (Italy) in region Costa Ionica Crotonese (Crotone)

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

  • 04-02-2020 08:50:15 (UTC)
  • 04-02-2020 09:50:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.39, 17.18 at 11 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
CirĂ² Marina KR 5 14902 14902
CirĂ² KR 10 2936 17838
Crucoli KR 16 3115 20953
Melissa KR 17 3549 24502
Strongoli KR 18 6571 31073
Carfizzi KR 20 661 31734

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Crotone (62178 inhabitants)
74 Km NE of Catanzaro (90612 inhabitants)
80 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 1.4 2020-02-04
08:50:15
39.39 17.18 11 2020-07-18
21:08:30
Bollettino Sismico Italiano INGV 77849411
Reviewed
Rev100
ML 1.5 2020-02-04
08:50:15
39.39 17.18 18 2020-02-04
09:03:12
Sala Sismica INGV-Roma 76190911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-04 08:50:15 ± 0.4
Latitude 39.39 ± 0.01
Longitude 17.18 ± 0.03
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77849411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2180
Semi-minor axis of confidence ellipse (meter) 1300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 2180
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 307
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.18976
Epicentral distance of station farthest from the epicenter (degree) 0.6592
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:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 10
Type of magnitude ML
Reference to an origin 76190911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-04 09:03:12

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 77849411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 18:02:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CELI.HHZ. 2020-02-04T08:50:34.06 1.0 undecidable manual S 271 0.5189 50 0.57 22
MN.TIP.HHZ. 2020-02-04T08:50:29.34 0.6 undecidable manual S 237 0.3903 50 -0.32 47
IV.SPS2.HHZ. 2020-02-04T08:50:27.73 0.3 undecidable manual P 261 0.6592 50 -0.57 62
IV.PIPA.HHZ. 2020-02-04T08:50:26.83 0.3 undecidable manual S 288 0.2968 50 -0.08 76
IV.CELI.HHZ. 2020-02-04T08:50:25.94 0.3 undecidable manual P 271 0.5189 50 0.03 73
MN.TIP.HHZ. 2020-02-04T08:50:23.65 0.1 positive manual P 237 0.3903 50 -0.05 99
IV.LADO.EHZ. 2020-02-04T08:50:23.88 0.3 undecidable manual S 235 0.1898 50 0.16 76
IV.PIPA.HHZ. 2020-02-04T08:50:22.25 0.1 negative manual P 288 0.2968 50 0.14 100
IV.LADO.EHZ. 2020-02-04T08:50:20.49 0.1 undecidable manual P 235 0.1898 50 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:0.6 2.583638E-5 0.2944 AML other m 2020-02-04T08:50:24.55
IV.LADO.EHE. ML:0.8 4.402297E-5 0.1984 AML other m 2020-02-04T08:50:25.46
IV.PIPA.HNN. ML:2.1 0.00052914565 0.1856 AML other m 2020-02-04T08:50:27.49
IV.PIPA.HHN. ML:2.1 0.0005361184 0.1792 AML other m 2020-02-04T08:50:27.50
IV.PIPA.HNE. ML:2.2 0.0007109029 0.2048 AML other m 2020-02-04T08:50:28.13
IV.PIPA.HHE. ML:2.2 0.0007216185 0.1984 AML other m 2020-02-04T08:50:28.14
MN.TIP.HNN. ML:1.3 6.451462E-5 0.5184 AML other m 2020-02-04T08:50:30.46
MN.TIP.HHN. ML:1 3.142995E-5 0.48 AML other m 2020-02-04T08:50:31.31
MN.TIP.HHE. ML:1.3 5.902493E-5 0.3584 AML other m 2020-02-04T08:50:31.06
MN.TIP.HNE. ML:1.4 7.2735465E-5 0.384 AML other m 2020-02-04T08:50:31.06
IV.CELI.HHE. ML:0 5.45E-5 0.44 AML other m 2020-02-04T08:50:35.68
IV.CELI.HNE. ML:1.4 6.0377915E-5 0.4608 AML other m 2020-02-04T08:50:35.45
IV.CELI.HHN. ML:0 5.146994E-5 0.3392 AML other m 2020-02-04T08:50:35.89
IV.CELI.HNN. ML:1.5 7.5032865E-5 0.384 AML other m 2020-02-04T08:50:35.70
IV.SPS2.HHE. ML:1.2 2.2916428E-5 0.3392 AML other m 2020-02-04T08:50:42.16
IV.SPS2.HHN. ML:1.2 2.5028875E-5 0.3008 AML other m 2020-02-04T08:50:43.40
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