Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 12-02-2020 and time 20:32:23 (UTC) in region 4 km N Cirò Marina (KR)

A magnitude ML 1.0 earthquake occured in region: 4 km N Cirò Marina (KR), on

  • 12-02-2020 20:32:23 (UTC)
  • 12-02-2020 21:32:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.4020, 17.1400 at 20 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 4 14902 14902
Cirò KR 7 2936 17838
Crucoli KR 12 3115 20953
Melissa KR 15 3549 24502
Strongoli KR 17 6571 31073
Carfizzi KR 18 661 31734
Terravecchia CS 18 823 32557
San Nicola dell'Alto KR 19 856 33413
Cariati CS 20 8355 41768
Umbriatico KR 20 863 42631

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Crotone (62178 inhabitants)
72 Km NE of Catanzaro (90612 inhabitants)
77 Km E of Cosenza (67546 inhabitants)
85 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 1.0 2020-02-12
20:32:23		 39.4018 17.1397 20 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 78040011
Reviewed
Rev100 		ML 2.0 2020-02-12
20:32:22		 39.4172 17.2253 10 2020-02-12
20:49:29		 Sala Sismica INGV-Roma 76467721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 20:32:23 ± 0.21
Latitude 39.4018 ± 0.0099
Longitude 17.1397 ± 0.0175
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78040011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1308
Semi-minor axis of confidence ellipse (meter) 930
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
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) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.17087
Epicentral distance of station farthest from the epicenter (degree) 1.23027
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78040011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-22 18:23:22

ML:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 76467721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 20:49:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LTRZ.HNN. 2020-02-12T20:32:46.26 0.6 undecidable manual P 349 136.0638 94 0.72 33
OT.MASS.HHE. 2020-02-12T20:32:46.80 1.0 undecidable manual P 0 136.5633 94 1.17 13
OT.TAR1.HHZ. 2020-02-12T20:32:44.55 0.6 undecidable manual P 6 125.2746 94 0.65 35
IV.CRAC.EHN. 2020-02-12T20:32:43.55 0.6 undecidable manual P 331 124.0869 95 -0.16 41
IV.SERS.HHZ. 2020-02-12T20:32:41.39 0.6 undecidable manual S 224 56.0994 101 0.6 41
IV.CELI.HHZ. 2020-02-12T20:32:40.96 0.6 undecidable manual S 270 54.1014 102 0.71 40
MN.TIP.HHZ. 2020-02-12T20:32:37.26 0.3 undecidable manual S 233 41.0256 107 0.39 68
IV.SALB.HHZ. 2020-02-12T20:32:37.22 0.1 undecidable manual P 308 85.8474 97 -0.63 78
IV.CAR1.HNZ. 2020-02-12T20:32:36.85 0.6 undecidable manual P 259 81.3519 97 -0.3 43
IV.TDS.HHE. 2020-02-12T20:32:35.72 0.6 undecidable manual P 293 74.37 98 -0.37 43
IV.PIPA.HHZ. 2020-02-12T20:32:33.99 0.3 undecidable manual S 289 29.2485 115 0.06 74
IV.SERS.HHZ. 2020-02-12T20:32:33.16 0.3 undecidable manual P 224 56.0994 101 -0.16 70
IV.CELI.HHZ. 2020-02-12T20:32:32.97 0.3 undecidable manual P 270 54.1014 102 -0.04 72
IV.LADO.EHZ. 2020-02-12T20:32:31.65 0.3 undecidable manual S 226 18.9699 129 0.04 75
MN.TIP.HHZ. 2020-02-12T20:32:30.85 0.1 undecidable manual P 233 41.0256 107 -0.2 95
IV.PIPA.HHZ. 2020-02-12T20:32:29.32 0.1 undecidable manual P 289 29.2485 115 -0.04 100
IV.LADO.EHZ. 2020-02-12T20:32:27.78 0.1 undecidable manual P 226 18.9699 129 -0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LADO.EHN. ML:0.4 0.000016432565 0.6912 AML other m 2020-02-12T20:32:31.81
IV.LADO.EHE. ML:0.5 0.00001925305 0.704 AML other m 2020-02-12T20:32:31.82
IV.PIPA.HHN. ML:1.4 0.00010820623500000001 0.1792 AML other m 2020-02-12T20:32:34.25
IV.PIPA.HHE. ML:1.7 0.0002016538 0.2304 AML other m 2020-02-12T20:32:34.44
MN.TIP.HHN. ML:0.8 0.000022016415 2.3424 AML other m 2020-02-12T20:32:37.44
MN.TIP.HHE. ML:1.1 0.00003491255999999999 3.1232 AML other m 2020-02-12T20:32:37.35
IV.SERS.HHN. ML:1.0 0.0000183894 2.368 AML other m 2020-02-12T20:32:40.13
IV.CELI.HHN. ML:1.1 0.000027632705 1.9584 AML other m 2020-02-12T20:32:41.59
IV.CELI.HHE. ML:1.0 0.000027277395 1.4208 AML other m 2020-02-12T20:32:41.15
IV.SERS.HHE. ML:1.1 0.000025511815 1.0496 AML other m 2020-02-12T20:32:40.93
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