Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-02-2014 and time 18:33:03 (UTC) in region 2 km SE Bruzzano Zeffirio (RC)

A magnitude ML 1.7 earthquake occured in region: 2 km SE Bruzzano Zeffirio (RC), on

  • 23-02-2014 18:33:03 (UTC)
  • 23-02-2014 19:33:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0000, 16.0910 at 9 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
Bruzzano Zeffirio RC 2 1111 1111
Brancaleone RC 4 3584 4695
Ferruzzano RC 5 772 5467
Staiti RC 5 248 5715
Africo RC 7 3075 8790
Samo RC 9 809 9599
Sant'Agata del Bianco RC 10 592 10191
Caraffa del Bianco RC 10 539 10730
Bianco RC 11 4273 15003
Casignana RC 11 759 15762
Palizzi RC 13 2480 18242
Bova RC 14 448 18690
San Luca RC 16 3881 22571
Bova Marina RC 17 4235 26806
Roccaforte del Greco RC 18 476 27282
Bovalino RC 18 8905 36187

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Reggio di Calabria (183035 inhabitants)
52 Km E of Messina (238439 inhabitants)
92 Km NE of Acireale (52622 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 1.7 2014-02-23
18:33:03		 38 16.0912 9 2015-09-21
09:34:15		 Bollettino Sismico Italiano INGV 9096241
Reviewed
Rev100 		ML 1.5 2014-02-23
18:33:03		 38.0033 16.087 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5609841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-23 18:33:03 ± 0.11
Latitude 38.0000 ± 0.0045
Longitude 16.0912 ± 0.0068
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9096241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 697
Semi-minor axis of confidence ellipse (meter) 399
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 9096241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-10-27 13:31:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 5609841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-23 18:43:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSCL.HHZ. 2014-02-23T18:33:16.58 0.6 undecidable manual S 315 36.741 50 0.19 46
IV.JOPP.HHE. 2014-02-23T18:33:16.08 0.3 undecidable manual P 345 69.6747 50 -0.02 67
IV.MTTG.HHZ. 2014-02-23T18:33:15.94 0.3 undecidable manual S 271 34.2435 50 0.24 68
MN.CEL.HHE. 2014-02-23T18:33:15.66 0.6 undecidable manual S 329 33.6441 50 0.11 47
IV.GMB.BHZ. 2014-02-23T18:33:14.14 0.1 undecidable manual S 309 29.5482 50 -0.31 91
IV.PLAC.HHE. 2014-02-23T18:33:14.38 0.3 undecidable manual P 31 58.2972 50 0.03 68
IV.MSCL.HHZ. 2014-02-23T18:33:11.25 0.1 undecidable manual P 315 36.741 50 0.21 91
MN.CEL.HHE. 2014-02-23T18:33:10.54 0.3 undecidable manual P 329 33.6441 50 -0.01 72
IV.MTTG.HHZ. 2014-02-23T18:33:10.51 0.1 undecidable manual P 271 34.2435 50 -0.13 93
IV.GMB.BHZ. 2014-02-23T18:33:09.83 0.1 undecidable manual P 309 29.5482 50 -0.09 95
IV.SOI.EHZ. 2014-02-23T18:33:08.17 0.1 undecidable manual S 338 8.7801 137 0.01 100
IV.MPAZ.HHZ. 2014-02-23T18:33:08.27 0.1 undecidable manual S 235 8.9799 136 0.04 99
IV.MPAZ.HHZ. 2014-02-23T18:33:06.24 0.1 undecidable manual P 235 8.9799 136 -0.09 98
IV.SOI.EHZ. 2014-02-23T18:33:06.32 0.1 undecidable manual P 338 8.7801 137 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GMB.BHE. ML:2.2 0.000768 0.16 AML other m 2014-02-23T18:33:14.54
IV.GMB.BHN. ML:2.4 0.0012349999999999998 0.16 AML other m 2014-02-23T18:33:14.58
IV.MPAZ.HHE. ML:1.7 0.0007204999999999999 0.28 AML other m 2014-02-23T18:33:08.54
IV.MPAZ.HHN. ML:1.6 0.0005135000000000001 0.18 AML other m 2014-02-23T18:33:08.76
IV.MSCL.HHE. ML:1.8 0.0002155 1.38 AML other m 2014-02-23T18:33:11.82
IV.MSCL.HHN. ML:1.8 0.00024349999999999998 1.26 AML other m 2014-02-23T18:33:18.97
IV.SOI.EHN. ML:1.2 0.00022749999999999997 0.38 AML other m 2014-02-23T18:33:08.43
IV.SOI.EHE. ML:1.0 0.00013800000000000002 0.2 AML other m 2014-02-23T18:33:08.51
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