Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 27-12-2018 and time 01:56:12 (Italy) in region 10 km N Centuripe (EN)

A magnitude ML 2.4 earthquake occured in region: 10 km N Centuripe (EN), on

  • 27-12-2018 00:56:12 (UTC)
  • 27-12-2018 01:56:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7130, 14.7310 at 29 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
Centuripe EN 10 5470 5470
Regalbuto EN 10 7277 12747
Adrano CT 11 36122 48869
Bronte CT 12 19172 68041
Troina EN 14 9373 77414
Biancavilla CT 15 24007 101421
Cesarò ME 15 2439 103860
San Teodoro ME 15 1403 105263
Catenanuova EN 16 4866 110129
Gagliano Castelferrato EN 17 3593 113722
Santa Maria di Licodia CT 18 7641 121363
Maletto CT 18 3920 125283
Maniace CT 18 3765 129048
Agira EN 19 8345 137393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Catania (314555 inhabitants)
40 Km W of Acireale (52622 inhabitants)
64 Km E of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
90 Km SW of Messina (238439 inhabitants)
92 Km SW of Reggio di Calabria (183035 inhabitants)
95 Km N of Modica (54633 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 2.4 2018-12-27
00:56:12		 37.7132 14.7307 29 2019-06-04
09:16:04		 Bollettino Sismico Italiano INGV 64487181
Reviewed
Rev100 		ML 2.4 2018-12-27
00:56:12		 37.7248 14.7192 31 2018-12-27
01:08:17		 Sala Sismica INGV-Roma 64258701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-27 00:56:12 ± 0.17
Latitude 37.7132 ± 0.0072
Longitude 14.7307 ± 0.0114
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64487181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 877
Semi-minor axis of confidence ellipse (meter) 640
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 1.03332
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 64258701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-27 01:08:17

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 64487181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-03 22:06:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2018-12-27T00:56:34.20 0.6 undecidable manual S 139 66.8775 108 0.25 60
IV.SSY.HHZ. 2018-12-27T00:56:34.70 0.6 undecidable manual S 154 68.5758 107 0.31 59
IV.HPAC.HHZ. 2018-12-27T00:56:32.01 0.6 undecidable manual P 166 114.6963 54 -0.16 56
IV.CROCE.HHE. 2018-12-27T00:56:29.75 0.6 undecidable manual P 190 99.2229 102 -0.12 59
IV.HLNI.HHZ. 2018-12-27T00:56:28.00 0.3 undecidable manual S 163 42.3243 119 0.1 97
IV.IFIL.HHZ. 2018-12-27T00:56:27.33 1.0 undecidable manual P 352 95.3379 102 -1.96 12
IV.CSLB.HHZ. 2018-12-27T00:56:25.15 0.6 undecidable manual P 293 63.9915 109 0.53 57
IV.RAFF.HHZ. 2018-12-27T00:56:25.23 1.0 undecidable manual P 211 63.3921 109 0.7 26
IV.SSY.HHZ. 2018-12-27T00:56:25.07 0.3 undecidable manual P 154 68.5758 107 -0.23 91
IV.AGST.EHZ. 2018-12-27T00:56:24.50 0.3 undecidable manual P 139 66.8775 108 -0.55 85
IV.PETRA.HHN. 2018-12-27T00:56:24.36 0.6 undecidable manual P 284 55.5999 112 0.95 48
IV.MNO.SHZ. 2018-12-27T00:56:24.40 0.6 undecidable manual S 353 24.3534 136 0.34 65
IV.PLLN.EHN. 2018-12-27T00:56:23.85 0.6 undecidable manual P 301 60.0954 110 -0.2 62
IV.ESML.HHZ. 2018-12-27T00:56:23.22 0.6 undecidable manual S 129 16.7721 147 0.43 63
IV.GALF.HHZ. 2018-12-27T00:56:22.20 0.6 undecidable manual S 269 14.3745 151 -0.26 67
IV.EPZF.HHZ. 2018-12-27T00:56:22.60 0.6 undecidable manual S 42 16.5723 147 -0.15 67
IV.EVRN.HNN. 2018-12-27T00:56:21.05 0.3 undecidable manual P 94 35.6421 124 0.37 94
IV.MUCR.HHZ. 2018-12-27T00:56:21.14 0.3 undecidable manual P 19 38.628 121 0.07 100
IV.HLNI.HHZ. 2018-12-27T00:56:21.09 0.3 undecidable manual P 163 42.3243 119 -0.47 91
IV.EPOZ.HHZ. 2018-12-27T00:56:21.79 0.6 undecidable manual P 96 40.4262 120 0.49 61
IV.CAGR.HHZ. 2018-12-27T00:56:20.11 1.0 undecidable manual P 244 22.6551 138 0.95 25
IV.EMCN.HNE. 2018-12-27T00:56:20.40 0.6 undecidable manual P 72 27.9498 131 0.67 58
IV.EMSG.HHZ. 2018-12-27T00:56:19.16 0.6 undecidable manual P 58 22.6551 138 0.01 69
IV.ESML.HHZ. 2018-12-27T00:56:18.09 0.3 undecidable manual P 129 16.7721 147 -0.51 94
IV.MNO.SHZ. 2018-12-27T00:56:18.96 0.3 undecidable manual P 353 24.3534 136 -0.38 95
IV.ESLN.HHZ. 2018-12-27T00:56:18.87 0.6 undecidable manual P 96 21.4674 140 -0.17 67
IV.EPZF.HHZ. 2018-12-27T00:56:18.55 0.6 undecidable manual P 42 16.5723 147 -0.03 69
IV.GALF.HHZ. 2018-12-27T00:56:17.69 0.6 undecidable manual P 269 14.3745 151 -0.72 58
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:2.9 0.004 0.28 AML other m 2018-12-27T00:56:22.66
IV.EPZF.HHE. ML:2.7 0.00253 1.62 AML other m 2018-12-27T00:56:22.04
IV.EPZF.HHN. ML:2.7 0.0020800000000000003 1.6 AML other m 2018-12-27T00:56:23.17
IV.GALF.HNE. ML:2.2 0.0007714999999999999 0.38 AML other m 2018-12-27T00:56:23.66
IV.GALF.HHE. ML:3.1 0.00675 0.34 AML other m 2018-12-27T00:56:23.67
IV.GALF.HNN. ML:2.0 0.000535 0.42 AML other m 2018-12-27T00:56:23.49
IV.MNO.SHN. ML:0.0 0.000876 0.88 AML other m 2018-12-27T00:56:25.42
IV.EMSG.HHE. ML:2.4 0.001145 0.3 AML other m 2018-12-27T00:56:25.58
IV.MNO.SHE. ML:0.0 0.0004465 0.48 AML other m 2018-12-27T00:56:27.52
IV.HLNI.HHE. ML:2.1 0.0003105 1.12 AML other m 2018-12-27T00:56:28.18
IV.MUCR.HHE. ML:2.1 0.00038250000000000003 1.44 AML other m 2018-12-27T00:56:28.19
IV.EMSG.HHN. ML:2.6 0.00158 0.48 AML other m 2018-12-27T00:56:29.36
IV.MUCR.HHN. ML:2.1 0.0003675 0.44 AML other m 2018-12-27T00:56:29.25
IV.ESML.HHE. ML:2.4 0.001185 0.56 AML other m 2018-12-27T00:56:30.62
IV.HLNI.HHN. ML:2.1 0.0003505 0.2 AML other m 2018-12-27T00:56:30.35
IV.ESML.HHN. ML:2.4 0.00122 0.66 AML other m 2018-12-27T00:56:30.25
IV.AGST.EHN. ML:2.4 0.000368 0.78 AML other m 2018-12-27T00:56:34.88
IV.AGST.EHE. ML:2.2 0.0002735 0.5 AML other m 2018-12-27T00:56:36.57
IV.SSY.HHN. ML:2.9 0.001345 0.46 AML other m 2018-12-27T00:56:36.67
IV.SSY.HHE. ML:2.6 0.0006105 1.08 AML other m 2018-12-27T00:56:39.66
IV.IFIL.HHN. ML:2.5 0.00029299999999999997 1.42 AML other m 2018-12-27T00:56:47.97
IV.IFIL.HHE. ML:2.7 0.0005235 0.86 AML other m 2018-12-27T00:56:48.67
IV.HPAC.HHE. ML:2.3 0.00015615113000000004 0.32 AML other m 2018-12-27T00:56:48.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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