Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 05-02-2014 and time 16:21:04 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 05-02-2014 16:21:04 (UTC)
  • 05-02-2014 17:21:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7440, 15.7680 at 162 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
Tropea VV 13 6441 6441
Drapia VV 15 2085 8526
Parghelia VV 15 1300 9826
Ricadi VV 16 4900 14726
Zaccanopoli VV 17 752 15478
Spilinga VV 18 1464 16942
Zambrone VV 20 1775 18717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km SW of Lamezia Terme (70714 inhabitants)
64 Km N of Messina (238439 inhabitants)
71 Km N of Reggio di Calabria (183035 inhabitants)
74 Km W of Catanzaro (90612 inhabitants)
74 Km SW 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 2.2 2014-02-05
16:21:04		 38.7437 15.7682 162 2015-09-21
09:34:15		 Bollettino Sismico Italiano INGV 8843211
Reviewed
Rev100 		ML 2.3 2014-02-05
16:21:04		 38.7573 15.7773 163 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5457701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-05 16:21:04 ± 0.38
Latitude 38.7437 ± 0.0180
Longitude 15.7682 ± 0.0450
Depth (km) 162 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8843211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3939
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 3940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.16458
Epicentral distance of station farthest from the epicenter (degree) 0.81209
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 5457701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-05 16:29:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 1
Type of magnitude ML
Reference to an origin 8843211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-01-22 22:57:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAZ.HHZ. 2014-02-05T16:21:47.00 0.6 undecidable manual S 167 90.1431 149 -0.27 44
IV.CET2.HHZ. 2014-02-05T16:21:46.90 0.6 undecidable manual S 10 88.5447 149 -0.2 44
IV.CAR1.HHZ. 2014-02-05T16:21:45.10 0.3 undecidable manual S 34 68.2761 156 0.02 71
IV.MILZ.HHZ. 2014-02-05T16:21:45.90 0.3 undecidable manual S 222 70.0743 155 0.65 60
IV.GMB.BHE. 2014-02-05T16:21:45.31 0.6 undecidable manual S 175 64.0914 157 0.59 41
IV.PLAC.HHZ. 2014-02-05T16:21:45.30 0.3 undecidable manual S 119 66.6777 156 0.37 66
IV.MSRU.HHE. 2014-02-05T16:21:43.26 0.6 undecidable manual S 203 57.7977 159 -0.95 37
IV.JOPP.HHZ. 2014-02-05T16:21:41.70 0.3 undecidable manual S 146 18.2706 173 -0.46 72
IV.CET2.HHZ. 2014-02-05T16:21:29.24 0.3 undecidable manual P 10 88.5447 149 0.24 66
IV.MCSR.HHZ. 2014-02-05T16:21:28.66 0.3 undecidable manual P 212 88.6446 149 -0.34 64
IV.MPAZ.HHZ. 2014-02-05T16:21:28.98 0.1 undecidable manual P 167 90.1431 149 -0.11 89
IV.MILZ.HHZ. 2014-02-05T16:21:28.74 0.3 undecidable manual P 222 70.0743 155 0.81 57
IV.PLAC.HHZ. 2014-02-05T16:21:27.92 0.1 undecidable manual P 119 66.6777 156 0.17 92
IV.CAR1.HHZ. 2014-02-05T16:21:27.84 0.1 undecidable manual P 34 68.2761 156 0.01 95
IV.GMB.BHE. 2014-02-05T16:21:27.91 0.3 undecidable manual P 175 64.0914 157 0.29 68
IV.MSRU.HHE. 2014-02-05T16:21:26.72 0.6 undecidable manual P 203 57.7977 159 -0.61 42
IV.MSCL.HHZ. 2014-02-05T16:21:26.96 0.3 undecidable manual P 178 56.7987 159 -0.32 68
IV.JOPP.HHZ. 2014-02-05T16:21:25.95 0.1 negative manual P 146 18.2706 173 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.0 0.00004235 0.38 AML other m 2014-02-05T16:21:42.68
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