Earthquake with magnitude of ML 2.0 on date 31-12-2012 and time 14:27:28 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.0 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 31-12-2012 14:27:28 (UTC)
  • 31-12-2012 15:27:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.9540, 15.9490 at 59 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
Falerna CZ 20 4028 4028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Lamezia Terme (70714 inhabitants)
46 Km SW of Cosenza (67546 inhabitants)
56 Km W of Catanzaro (90612 inhabitants)
91 Km NE of Messina (238439 inhabitants)
98 Km N of Reggio di Calabria (183035 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
Reviewed
Rev100
ML 2.0 2012-12-31
14:27:28
38.9598 15.8983 57 2014-10-21
12:08:56
Sala Sismica INGV-Roma 2773101
Bulletin
Rev1000
ML 2.0 2012-12-31
14:27:28
38.9537 15.9492 59 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 4545941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-31 14:27:28 ± 0.17
Latitude 38.9537 ± 0.0072
Longitude 15.9492 ± 0.0278
Depth (km) 59 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4545941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2311
Semi-minor axis of confidence ellipse (meter) 727
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 2310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.34984
Epicentral distance of station farthest from the epicenter (degree) 1.45151
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 2773101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-12-31 14:39:15

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 4545941
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2012-12-31T14:27:55.30 0.6 undecidable manual S 207 85.5477 113 0.38 43
IV.CMPR.HHZ. 2012-12-31T14:27:52.90 0.3 undecidable manual P 340 161.1165 100 0.18 56
IV.CET2.HHZ. 2012-12-31T14:27:50.40 0.1 undecidable manual S 0 63.7917 123 -0.37 90
IV.BULG.HHZ. 2012-12-31T14:27:49.72 0.3 undecidable manual P 339 133.9659 103 0.31 60
IV.MGR.HHZ. 2012-12-31T14:27:49.87 0.3 undecidable manual P 346 135.6642 102 0.26 60
IV.JOPP.HHE. 2012-12-31T14:27:46.90 0.6 undecidable manual S 188 38.8278 140 0.2 48
IV.CAR1.HHE. 2012-12-31T14:27:46.72 0.6 undecidable manual S 34 40.2264 138 -0.16 49
IV.MPNC.HHZ. 2012-12-31T14:27:45.34 0.1 undecidable manual P 210 103.4187 108 -0.4 82
IV.T0724.EHZ. 2012-12-31T14:27:45.26 0.1 undecidable manual P 356 99.5226 109 -0.01 89
IV.MSCL.HHZ. 2012-12-31T14:27:43.13 0.1 undecidable manual P 190 81.252 115 -0.04 93
IV.T0702.EHZ. 2012-12-31T14:27:43.67 0.1 undecidable manual P 8 85.8474 113 -0.02 92
IV.MSRU.HHZ. 2012-12-31T14:27:43.30 0.1 undecidable manual P 207 85.5477 113 -0.35 86
IV.CET2.HHZ. 2012-12-31T14:27:41.33 0.1 undecidable manual P 0 63.7917 123 0.07 96
IV.JOPP.HHE. 2012-12-31T14:27:39.25 0.1 undecidable manual P 188 38.8278 140 0.34 94
IV.CAR1.HHE. 2012-12-31T14:27:39.06 0.1 undecidable manual P 34 40.2264 138 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:2.0 0.0001495 1.08 AML other m 2012-12-31T14:27:47.77
IV.CAR1.HHN. ML:1.8 0.00010755000000000001 1.4 AML other m 2012-12-31T14:27:47.51
IV.CET2.HHE. ML:2.2 0.00017999999999999998 0.2 AML other m 2012-12-31T14:27:51.20
IV.CET2.HHN. ML:2.3 0.00023799999999999998 0.76 AML other m 2012-12-31T14:27:50.99
IV.JOPP.HHN. ML:2.0 0.000177 0.92 AML other m 2012-12-31T14:27:48.52
IV.JOPP.HHE. ML:1.9 0.00013900000000000002 0.38 AML other m 2012-12-31T14:27:48.28
IV.MSCL.HHE. ML:2.0 0.0001015 1.58 AML other m 2012-12-31T14:27:55.58
IV.MSCL.HHN. ML:2.0 0.00009609999999999999 0.52 AML other m 2012-12-31T14:27:55.32
IV.MSRU.HHE. ML:1.9 0.00007400000000000001 0.3 AML other m 2012-12-31T14:27:56.72
IV.MSRU.HHN. ML:1.9 0.0000703 1.52 AML other m 2012-12-31T14:27:57.41
IV.PLAC.HHN. ML:1.8 0.00008125 0.78 AML other m 2012-12-31T14:27:54.56
IV.PLAC.HHE. ML:1.9 0.00009839999999999999 0.42 AML other m 2012-12-31T14:27:55.53
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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