Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 25-12-2016 and time 11:30:46 (Italy) 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

  • 25-12-2016 10:30:46 (UTC)
  • 25-12-2016 11:30:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8140, 15.7360 at 6 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km W of Lamezia Terme (70714 inhabitants)
70 Km SW of Cosenza (67546 inhabitants)
71 Km N of Messina (238439 inhabitants)
75 Km W of Catanzaro (90612 inhabitants)
79 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
Bulletin
Rev1000 		ML 2.2 2016-12-25
10:30:46		 38.814 15.7362 6 2017-05-09
13:34:58		 Bollettino Sismico Italiano INGV 45056881
Reviewed
Rev100 		ML 2.2 2016-12-25
10:30:47		 38.7892 15.74 10 2016-12-25
11:01:23		 Sala Sismica INGV-Roma 37664001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-25 10:30:46 ± 0.17
Latitude 38.8140 ± 0.0045
Longitude 15.7362 ± 0.0069
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 45056881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 564
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.23742
Epicentral distance of station farthest from the epicenter (degree) 1.33010
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 45056881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-05-09 13:34:58

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 37664001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-25 11:01:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHN. 2016-12-25T10:31:24.15 0.6 undecidable manual S 3 131.0688 50 -0.75 34
IV.MGR.HNE. 2016-12-25T10:31:12.46 1.0 undecidable manual P 354 147.6411 50 1.26 13
IV.PLAC.HHZ. 2016-12-25T10:31:10.38 0.6 undecidable manual S 123 73.0713 50 0.96 34
IV.CET2.HHZ. 2016-12-25T10:31:10.99 0.6 undecidable manual S 13 81.4518 50 -0.68 38
IV.SPS2.HHZ. 2016-12-25T10:31:09.45 0.3 undecidable manual S 44 74.1702 50 -0.25 66
IV.MILZ.HHE. 2016-12-25T10:31:09.59 0.6 undecidable manual S 216 74.4699 50 -0.2 44
IV.SALB.HHZ. 2016-12-25T10:31:08.81 0.3 undecidable manual P 24 128.9709 50 0.49 56
MN.CUC.HHN. 2016-12-25T10:31:08.82 0.6 undecidable manual P 3 131.0688 50 0.18 40
IV.MSFR.HHZ. 2016-12-25T10:31:07.94 0.6 undecidable manual P 229 131.868 50 -0.82 32
IV.MSRU.HHZ. 2016-12-25T10:31:07.15 0.6 undecidable manual S 198 64.1913 50 0.11 46
IV.CAR1.HHZ. 2016-12-25T10:31:07.96 0.6 undecidable manual S 40 63.6918 50 1.05 34
IV.MSCL.HHZ. 2016-12-25T10:31:07.03 0.3 undecidable manual S 176 64.6908 50 -0.16 68
IV.GRI.EHZ. 2016-12-25T10:31:05.34 0.6 undecidable manual S 89 59.0964 50 -0.35 44
IV.AIO.HHE. 2016-12-25T10:31:04.42 0.3 undecidable manual P 205 103.2189 50 0.07 64
MN.TIP.HHZ. 2016-12-25T10:31:04.10 0.6 undecidable manual P 65 97.0251 50 0.71 36
IV.TDS.HHZ. 2016-12-25T10:31:04.51 0.3 undecidable manual P 29 107.115 50 -0.44 59
IV.CELI.HHZ. 2016-12-25T10:31:02.52 0.6 undecidable manual P 45 93.24 50 -0.28 42
IV.SERS.HNN. 2016-12-25T10:31:02.01 0.3 undecidable manual P 73 85.7475 50 0.35 63
IV.CET2.HHZ. 2016-12-25T10:31:01.25 0.3 undecidable manual P 13 81.4518 50 0.25 65
IV.SOI.EHZ. 2016-12-25T10:31:01.77 0.6 undecidable manual P 161 86.6466 50 -0.03 45
IV.IST3.HHZ. 2016-12-25T10:31:01.78 0.6 undecidable manual S 268 43.7229 50 0.19 47
IV.IVPL.HHN. 2016-12-25T10:31:01.47 0.6 undecidable manual P 234 81.5517 50 0.46 41
IV.MILZ.HHE. 2016-12-25T10:30:59.56 0.6 undecidable manual P 216 74.4699 50 -0.35 43
IV.PLAC.HHZ. 2016-12-25T10:30:59.60 0.3 undecidable manual P 123 73.0713 50 -0.1 68
IV.SPS2.HHZ. 2016-12-25T10:30:59.73 0.6 undecidable manual P 44 74.1702 50 -0.13 45
IV.MSCL.HHZ. 2016-12-25T10:30:58.48 0.3 undecidable manual P 176 64.6908 50 0.06 70
IV.MSRU.HHZ. 2016-12-25T10:30:58.10 0.3 undecidable manual P 198 64.1913 50 -0.22 67
MN.CEL.HNE. 2016-12-25T10:30:58.12 0.6 undecidable manual P 167 62.8926 50 -0.02 47
IV.GRI.EHZ. 2016-12-25T10:30:57.57 0.3 undecidable manual P 89 59.0964 50 0.02 71
IV.CAR1.HHZ. 2016-12-25T10:30:57.88 0.1 undecidable manual P 40 63.6918 50 -0.37 87
IV.ISTR.HHZ. 2016-12-25T10:30:56.04 0.3 undecidable manual P 266 47.1195 50 0.33 68
IV.IST3.HHZ. 2016-12-25T10:30:55.28 0.3 undecidable manual P 268 43.7229 50 0.1 72
IV.JOPP.HHZ. 2016-12-25T10:30:55.67 0.3 undecidable manual S 151 26.3514 104 -0.17 73
IV.JOPP.HHZ. 2016-12-25T10:30:51.89 0.1 positive manual P 151 26.3514 104 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHN. ML:2.6 0.0008349999999999999 0.36 AML other m 2016-12-25T10:31:09.27
IV.CAR1.HNN. ML:2.6 0.0007909999999999999 0.4 AML other m 2016-12-25T10:31:09.28
IV.CAR1.HNE. ML:2.3 0.0003685 1.04 AML other m 2016-12-25T10:31:09.25
IV.CAR1.HHE. ML:2.4 0.000475 1.46 AML other m 2016-12-25T10:31:09.24
IV.CELI.HHN. ML:2.2 0.000156 1.66 AML other m 2016-12-25T10:31:17.91
IV.CELI.HHE. ML:2.0 0.0001105 1.44 AML other m 2016-12-25T10:31:17.96
IV.CET2.HHE. ML:2.4 0.000383 0.32 AML other m 2016-12-25T10:31:12.68
IV.CET2.HHN. ML:2.4 0.00037949999999999995 1.72 AML other m 2016-12-25T10:31:14.92
IV.GMB.BHE. ML:2.8 0.0010055 0.2 AML other m 2016-12-25T10:31:11.24
IV.GMB.BHN. ML:2.8 0.000929 0.16 AML other m 2016-12-25T10:31:11.68
IV.IST3.HHN. ML:2.6 0.001305 0.88 AML other m 2016-12-25T10:31:04.22
IV.IST3.HHE. ML:2.4 0.000812 0.12 AML other m 2016-12-25T10:31:04.47
IV.JOPP.HHE. ML:1.9 0.000501 0.8 AML other m 2016-12-25T10:30:56.42
IV.JOPP.HHN. ML:1.9 0.00053 1.34 AML other m 2016-12-25T10:30:56.28
IV.MSCL.HHE. ML:2.5 0.0006770000000000001 0.82 AML other m 2016-12-25T10:31:09.17
IV.MSCL.HHN. ML:2.4 0.000516 0.52 AML other m 2016-12-25T10:31:10.30
IV.MSRU.HHN. ML:2.2 0.000324 1 AML other m 2016-12-25T10:31:09.58
IV.MSRU.HHE. ML:2.5 0.0005965 0.68 AML other m 2016-12-25T10:31:08.64
IV.PLAC.HHE. ML:2.2 0.000253 0.52 AML other m 2016-12-25T10:31:12.47
IV.PLAC.HHN. ML:1.9 0.0001315 0.7 AML other m 2016-12-25T10:31:12.59
IV.PLAC.HNE. ML:2.0 0.00014000000000000001 0.7 AML other m 2016-12-25T10:31:12.94
IV.PLAC.HNN. ML:2.2 0.000237 0.5 AML other m 2016-12-25T10:31:12.48
IV.SOI.EHN. ML:1.8 0.00007435 0.9 AML other m 2016-12-25T10:31:14.39
IV.SOI.EHE. ML:1.8 0.00006775000000000001 0.26 AML other m 2016-12-25T10:31:16.33
IV.SPS2.HHN. ML:1.9 0.0001315 1.7 AML other m 2016-12-25T10:31:11.02
IV.SPS2.HHE. ML:2.0 0.00015099999999999998 0.22 AML other m 2016-12-25T10:31:12.31
MN.TIP.HHE. ML:1.7 0.0000491 0.74 AML other m 2016-12-25T10:31:18.13
MN.TIP.HHN. ML:1.6 0.000039699999999999996 1.26 AML other m 2016-12-25T10:31:18.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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