Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 11-02-2020 and time 20:06:05 (UTC) in region Costa Ionica Catanzarese (Catanzaro)

A magnitude ML 1.9 earthquake occured in region: Costa Ionica Catanzarese (Catanzaro), on

  • 11-02-2020 20:06:05 (UTC)
  • 11-02-2020 21:06:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8580, 16.8120 at 27 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
Sellia Marina CZ 8 7513 7513
Botricello CZ 10 5220 12733
Cropani CZ 13 4778 17511
Soveria Simeri CZ 15 1564 19075
Andali CZ 18 769 19844
Belcastro CZ 18 1399 21243
Simeri Crichi CZ 18 4698 25941
Sersale CZ 19 4630 30571
Marcedusa CZ 19 448 31019
Cerva CZ 19 1223 32242
Catanzaro CZ 20 90612 122854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Catanzaro (90612 inhabitants)
37 Km SW of Crotone (62178 inhabitants)
45 Km E of Lamezia Terme (70714 inhabitants)
68 Km SE 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 1.9 2020-02-11
20:06:05		 38.8575 16.812 27 2020-07-18
21:08:25		 Bollettino Sismico Italiano INGV 77192211
Reviewed
Rev100 		ML 2.0 2020-02-11
20:06:05		 38.8567 16.8137 31 2020-02-11
20:15:29		 Sala Sismica INGV-Roma 76444011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-11 20:06:05 ± 0.24
Latitude 38.8575 ± 0.0081
Longitude 16.8120 ± 0.0162
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77192211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1460
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.20235
Epicentral distance of station farthest from the epicenter (degree) 0.94429
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 77192211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 14:01:53

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 76444011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-11 20:15:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2020-02-11T20:06:23.39 0.3 undecidable manual P 316 104.8173 100 -0.21 63
IV.TDS.HHZ. 2020-02-11T20:06:22.94 0.3 undecidable manual P 336 97.9242 101 0.38 61
IV.LADO.EHE. 2020-02-11T20:06:21.51 0.3 undecidable manual S 17 49.4172 113 -0.84 57
IV.JOPP.HHZ. 2020-02-11T20:06:20.56 0.3 undecidable manual P 251 84.8484 102 -0.02 68
MN.TIP.HHZ. 2020-02-11T20:06:19.67 0.3 undecidable manual S 353 36.0417 121 0.54 67
IV.FERC.HNN. 2020-02-11T20:06:19.28 0.3 undecidable manual P 233 74.37 104 0.27 66
IV.GRI.EHE. 2020-02-11T20:06:18.59 0.3 undecidable manual S 264 34.1436 123 -0.11 73
IV.PIPA.HHE. 2020-02-11T20:06:18.83 0.3 undecidable manual P 0 69.5748 105 0.52 63
IV.CELI.HHZ. 2020-02-11T20:06:17.31 0.3 undecidable manual P 337 65.8896 106 -0.44 65
IV.CAR1.HHZ. 2020-02-11T20:06:17.92 0.1 undecidable manual P 311 67.8765 106 -0.12 92
IV.SPS2.HHZ. 2020-02-11T20:06:17.37 0.3 undecidable manual P 320 62.9925 107 0.04 71
IV.SERS.HHZ. 2020-02-11T20:06:16.47 0.3 undecidable manual S 332 22.4553 136 0.18 74
IV.PLAC.HHE. 2020-02-11T20:06:16.26 0.1 undecidable manual P 216 55.6998 110 0 96
IV.LADO.EHE. 2020-02-11T20:06:15.60 0.3 undecidable manual P 17 49.4172 113 0.24 69
IV.GRI.EHE. 2020-02-11T20:06:13.01 0.3 undecidable manual P 264 34.1436 123 -0.25 71
MN.TIP.HHZ. 2020-02-11T20:06:13.43 0.1 negative manual P 353 36.0417 121 -0.08 98
IV.SERS.HHZ. 2020-02-11T20:06:11.78 0.1 undecidable manual P 332 22.4553 136 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HHE. ML:2.2 0.00072677645 0.4096 AML other m 2020-02-11T20:06:17.26
IV.SERS.HHN. ML:2.2 0.00064991365 0.3456 AML other m 2020-02-11T20:06:17.38
IV.SERS.HNE. ML:2.2 0.00062266495 0.3328 AML other m 2020-02-11T20:06:17.22
IV.SERS.HNN. ML:2.2 0.00071394605 0.3968 AML other m 2020-02-11T20:06:17.27
MN.TIP.HHN. ML:2.0 0.0002956893 1.5008 AML other m 2020-02-11T20:06:19.13
MN.TIP.HNN. ML:2.0 0.0002838214 1.6416 AML other m 2020-02-11T20:06:19.13
MN.TIP.HHE. ML:1.7 0.00014345015 0.32 AML other m 2020-02-11T20:06:21.25
MN.TIP.HNE. ML:1.7 0.00015539605000000002 0.4736 AML other m 2020-02-11T20:06:21.27
IV.SPS2.HHN. ML:1.5 0.000053500439999999996 0.3328 AML other m 2020-02-11T20:06:28.51
IV.CELI.HNN. ML:1.7 0.00008929095 1.36 AML other m 2020-02-11T20:06:29.14
IV.CELI.HHN. ML:1.7 0.00007596671499999999 1.3728 AML other m 2020-02-11T20:06:29.82
IV.SPS2.HHE. ML:1.6 0.0000635923 1.5904 AML other m 2020-02-11T20:06:30.11
IV.CELI.HHE. ML:1.6 0.00006623508 1.424 AML other m 2020-02-11T20:06:30.80
IV.CAR1.HHN. ML:2.2 0.0002423313 0.4224 AML other m 2020-02-11T20:06:31.38
IV.CAR1.HHE. ML:2.3 0.0003190582 0.4352 AML other m 2020-02-11T20:06:31.60
IV.CAR1.HNE. ML:2.3 0.00034910085 0.576 AML other m 2020-02-11T20:06:31.61
IV.CAR1.HNN. ML:2.3 0.0002888422 0.4992 AML other m 2020-02-11T20:06:33.37
IV.CELI.HNE. ML:1.6 0.00006306924 0.5376 AML other m 2020-02-11T20:06:34.05
IV.JOPP.HHN. ML:1.9 0.00009127619499999999 0.5248 AML other m 2020-02-11T20:06:35.16
IV.JOPP.HHE. ML:1.8 0.00008641106 0.2944 AML other m 2020-02-11T20:06:36.81
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