Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 27-12-2017 and time 04:35:50 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 27-12-2017 03:35:50 (UTC)
  • 27-12-2017 04:35:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4040, 15.4440 at 133 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
Villafranca Tirrena ME 19 8584 8584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Messina (238439 inhabitants)
37 Km NW of Reggio di Calabria (183035 inhabitants)
91 Km N of Acireale (52622 inhabitants)
99 Km SW of Lamezia Terme (70714 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 2.5 2017-12-27
03:35:50		 38.4043 15.4438 133 2018-09-04
09:10:43		 Bollettino Sismico Italiano INGV 55494401
Reviewed
Rev100 		ML 2.6 2017-12-27
03:35:50		 38.427 15.4122 131 2017-12-27
03:49:12		 Sala Sismica INGV-Roma 52837871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-27 03:35:50 ± 0.14
Latitude 38.4043 ± 0.0081
Longitude 15.4438 ± 0.0138
Depth (km) 133 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55494401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1212
Semi-minor axis of confidence ellipse (meter) 611
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 124
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 80
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.11880
Number of stations at which the event was observed 60
Number of stations from which data was used for origin computation 46
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 55494401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-12 10:18:04

ML:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations 49
Type of magnitude ML
Reference to an origin 52837871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-27 03:49:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KEK.HHZ. 2017-12-27T03:37:24.71 3.0 undecidable manual Sn -3.82 0
IV.APRC.HHZ. 2017-12-27T03:37:22.36 3.0 undecidable manual Sn 0.65 0
IV.NOCI.HHZ. 2017-12-27T03:37:05.52 3.0 undecidable manual Sn -0.88 0
GE.MATE.HHZ. 2017-12-27T03:36:59.92 3.0 undecidable manual Sn -0.89 0
HL.VLS.HHZ. 2017-12-27T03:36:50.06 3.0 positive manual Pn -1.26 0
AC.VLO.HHZ. 2017-12-27T03:36:46.97 3.0 undecidable manual Pn -0.15 0
MN.CUC.HNN. 2017-12-27T03:36:41.75 0.1 undecidable manual S 10 179.1873 123 -0.52 63
IV.TDS.HHZ. 2017-12-27T03:36:38.69 0.1 undecidable manual S 29 159.2184 126 -0.02 77
IV.GRIS.HNE. 2017-12-27T03:36:37.66 0.1 undecidable manual S 13 152.3364 127 0.13 77
MN.TIP.HHZ. 2017-12-27T03:36:35.71 0.3 undecidable manual S 52 142.5462 129 -0.16 60
IV.SERS.HHZ. 2017-12-27T03:36:34.34 0.1 undecidable manual S 57 128.4714 133 0.75 67
IV.CET2.HHZ. 2017-12-27T03:36:34.03 0.1 undecidable manual S 19 132.2676 132 -0.16 81
IV.AGST.EHZ. 2017-12-27T03:36:33.02 0.1 undecidable manual S 189 128.7711 132 -0.6 72
IV.HAGA.HHZ. 2017-12-27T03:36:32.80 0.3 undecidable manual S 192 126.6732 133 -0.5 57
IV.SPS2.HHZ. 2017-12-27T03:36:32.64 0.1 undecidable manual S 38 125.0859 133 -0.41 78
IV.MRVN.HHZ. 2017-12-27T03:36:32.90 3.0 positive manual Pn -0.55 0
IV.NOCI.HHZ. 2017-12-27T03:36:31.01 3.0 positive manual Pn -2.11 0
IV.AMUR.HHZ. 2017-12-27T03:36:31.46 3.0 negative manual Pn -1.21 0
IV.MRLC.HHZ. 2017-12-27T03:36:30.64 3.0 positive manual Pn 1.83 0
IV.ACER.HHZ. 2017-12-27T03:36:30.02 3.0 positive manual Pn 0.46 0
IV.GRI.EHZ. 2017-12-27T03:36:29.25 0.1 undecidable manual S 61 96.4257 141 0.4 82
IV.MIGL.HHZ. 2017-12-27T03:36:28.14 3.0 negative manual Pn -0.38 0
GE.MATE.HHZ. 2017-12-27T03:36:28.51 3.0 undecidable manual Pn -1.47 0
IV.LTRZ.EHZ. 2017-12-27T03:36:28.16 3.0 negative manual Pn -1.77 0
IV.PLAC.HHZ. 2017-12-27T03:36:27.84 0.1 undecidable manual S 86 86.5467 144 0.28 86
IV.MMGO.HHZ. 2017-12-27T03:36:26.15 3.0 negative manual Pn 0.07 0
IV.CRAC.EHZ. 2017-12-27T03:36:26.47 0.1 undecidable manual P 21 235.1868 115 0.08 49
IV.SOI.EHZ. 2017-12-27T03:36:25.20 0.1 undecidable manual S 124 64.5909 152 0.14 92
IV.AIO.HHZ. 2017-12-27T03:36:24.58 0.1 undecidable manual S 201 51.4152 157 0.74 80
IV.MCEL.HHZ. 2017-12-27T03:36:24.00 0.1 undecidable manual P 8 215.2179 118 -0.17 55
IV.JOPP.HHZ. 2017-12-27T03:36:23.08 0.1 undecidable manual S 60 44.4222 160 -0.2 96
IV.CMPR.HHZ. 2017-12-27T03:36:23.91 0.1 undecidable manual P 357 212.6316 118 0.03 58
MN.CEL.HHZ. 2017-12-27T03:36:23.28 0.1 undecidable manual S 112 42.3243 161 0.15 96
IV.MTSN.HHZ. 2017-12-27T03:36:23.19 0.1 undecidable manual P 7 208.236 118 -0.2 57
IV.SIRI.HHZ. 2017-12-27T03:36:22.39 0.1 undecidable manual P 10 200.5437 120 -0.17 60
IV.MILZ.HHZ. 2017-12-27T03:36:21.94 0.1 undecidable manual S 231 23.6541 169 -0.15 100
IV.HPAC.HHZ. 2017-12-27T03:36:21.36 0.1 undecidable manual P 191 191.4639 121 -0.22 62
IV.MSRU.HHZ. 2017-12-27T03:36:20.88 0.1 undecidable manual S 160 16.5723 172 -0.96 78
IV.SALB.HHZ. 2017-12-27T03:36:20.97 0.1 undecidable manual P 25 180.8856 122 0.51 62
IV.HMDC.HHZ. 2017-12-27T03:36:19.44 0.1 undecidable manual P 200 170.496 124 0.06 72
IV.PIPA.HHZ. 2017-12-27T03:36:19.24 0.1 undecidable manual P 44 168.5091 124 0.07 73
IV.RAFF.HHZ. 2017-12-27T03:36:19.33 0.1 undecidable manual P 216 161.8158 126 0.85 60
MN.CUC.HNN. 2017-12-27T03:36:19.95 0.1 undecidable manual P 10 179.1873 123 -0.33 65
IV.MMN.HHZ. 2017-12-27T03:36:19.13 0.1 undecidable manual P 16 171.495 124 -0.35 67
IV.TDS.HHZ. 2017-12-27T03:36:18.00 0.1 negative manual P 29 159.2184 126 -0.22 74
IV.RESU.HHZ. 2017-12-27T03:36:17.63 0.1 undecidable manual P 236 147.4413 128 0.57 72
IV.GRIS.HNE. 2017-12-27T03:36:17.49 0.1 negative manual P 13 152.3364 127 -0.05 79
MN.TIP.HHZ. 2017-12-27T03:36:16.72 0.1 negative manual P 52 142.5462 129 0.14 79
IV.CELI.HHZ. 2017-12-27T03:36:16.92 0.1 undecidable manual P 39 143.9448 129 0.2 78
IV.CET2.HHZ. 2017-12-27T03:36:15.48 0.1 undecidable manual P 19 132.2676 132 -0.13 81
IV.SSY.HHZ. 2017-12-27T03:36:15.93 0.1 undecidable manual P 193 142.0467 129 -0.61 70
IV.CSLB.HHZ. 2017-12-27T03:36:15.79 0.3 undecidable manual P 247 131.4684 132 0.25 60
IV.SERS.HHZ. 2017-12-27T03:36:15.50 0.1 negative manual P 57 128.4714 133 0.23 80
IV.SPS2.HHZ. 2017-12-27T03:36:14.72 0.1 negative manual P 38 125.0859 133 -0.24 81
IV.HLNI.HHZ. 2017-12-27T03:36:14.74 0.1 undecidable manual P 203 127.3725 133 -0.42 77
IV.AGST.EHZ. 2017-12-27T03:36:14.39 0.1 undecidable manual P 189 128.7711 132 -0.9 64
IV.HAGA.HHZ. 2017-12-27T03:36:14.43 0.1 undecidable manual P 192 126.6732 133 -0.67 70
IV.PLLN.EHN. 2017-12-27T03:36:14.85 0.3 undecidable manual P 248 122.2887 134 0.15 62
IV.CAR1.HHZ. 2017-12-27T03:36:13.68 0.1 negative manual P 35 115.1958 136 -0.4 80
IV.ESML.HHE. 2017-12-27T03:36:13.29 0.3 undecidable manual P 210 100.2219 140 0.46 61
IV.EPOZ.HHZ. 2017-12-27T03:36:12.05 0.1 undecidable manual P 195 84.249 145 0.43 84
IV.GRI.EHZ. 2017-12-27T03:36:12.67 0.1 undecidable manual P 61 96.4257 141 0.14 87
IV.IACL.HHE. 2017-12-27T03:36:12.36 0.3 undecidable manual P 279 95.6376 141 -0.11 66
IV.EPZF.HHZ. 2017-12-27T03:36:11.80 0.3 undecidable manual P 219 82.251 146 0.32 65
IV.MSFR.HHZ. 2017-12-27T03:36:11.90 0.3 undecidable manual P 241 84.8484 145 0.24 66
IV.PLAC.HHZ. 2017-12-27T03:36:11.96 0.1 positive manual P 86 86.5467 144 0.17 88
IV.MUCR.HHE. 2017-12-27T03:36:10.49 0.3 undecidable manual P 231 63.7917 152 0.19 69
IV.AIO.HHZ. 2017-12-27T03:36:10.24 0.1 undecidable manual P 201 51.4152 157 0.6 85
IV.SOI.EHZ. 2017-12-27T03:36:10.42 0.1 positive manual P 124 64.5909 152 0.08 94
IV.MTTG.HHZ. 2017-12-27T03:36:09.88 0.1 positive manual P 153 49.8168 158 0.32 92
MN.CEL.HHZ. 2017-12-27T03:36:09.19 0.1 negative manual P 112 42.3243 161 -0.04 99
IV.NOV.HHZ. 2017-12-27T03:36:09.76 0.1 undecidable manual P 213 49.617 158 0.21 94
IV.IVGP.HHN. 2017-12-27T03:36:09.18 0.3 undecidable manual P 269 42.0246 161 -0.04 74
IV.IVPL.HHZ. 2017-12-27T03:36:09.23 0.1 positive manual P 266 40.4262 162 0.08 99
IV.JOPP.HHZ. 2017-12-27T03:36:09.13 0.1 negative manual P 60 44.4222 160 -0.19 96
IV.ILLI.HHZ. 2017-12-27T03:36:09.96 0.3 undecidable manual P 276 43.3233 160 0.69 62
IV.MSRU.HHZ. 2017-12-27T03:36:08.14 0.1 positive manual P 160 16.5723 172 -0.35 97
IV.MILZ.HHZ. 2017-12-27T03:36:08.38 0.1 positive manual P 231 23.6541 169 -0.25 98
IV.IST3.HHZ. 2017-12-27T03:36:08.83 3.0 undecidable manual S 0
IV.IST3.HHZ. 2017-12-27T03:36:04.85 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHE. ML:2.7 0.00029346680000000004 0.1392 AML other m 2017-12-27T03:36:22.94
IV.MSRU.HHN. ML:2.6 0.0002394009 0.16 AML other m 2017-12-27T03:36:23.39
IV.MILZ.HHN. ML:2.5 0.00021357285 0.1984 AML other m 2017-12-27T03:36:24.80
IV.MILZ.HHE. ML:2.7 0.0003210735 0.3392 AML other m 2017-12-27T03:36:22.56
MN.CEL.HNN. ML:2.4 0.00014728344999999997 0.28 AML other m 2017-12-27T03:36:24.86
MN.CEL.HHE. ML:2.5 0.00017405379999999997 0.3792 AML other m 2017-12-27T03:36:25.02
MN.CEL.HHN. ML:2.5 0.00018639634999999998 0.2192 AML other m 2017-12-27T03:36:25.42
MN.CEL.HNE. ML:2.4 0.00015398555 0.3808 AML other m 2017-12-27T03:36:25.22
IV.IVPL.HHE. ML:2.5 0.00019961605 0.3008 AML other m 2017-12-27T03:36:26.74
IV.NOV.HHN. ML:2.6 0.0002461021 0.36 AML other m 2017-12-27T03:36:27.89
IV.MTTG.HHN. ML:2.3 0.00012230274999999998 0.2608 AML other m 2017-12-27T03:36:26.68
IV.MTTG.HHE. ML:2.3 0.0001238523 0.3984 AML other m 2017-12-27T03:36:28.34
IV.AIO.HHN. ML:2.4 0.00012293687 0.32 AML other m 2017-12-27T03:36:30.03
IV.AIO.HHE. ML:2.4 0.000139992 0.3808 AML other m 2017-12-27T03:36:26.77
IV.SOI.EHE. ML:2.3 0.000107141995 0.28 AML other m 2017-12-27T03:36:28.08
IV.SOI.EHN. ML:2.3 0.000094814735 0.44 AML other m 2017-12-27T03:36:27.53
IV.PLAC.HHE. ML:2.7 0.0002541871 0.2592 AML other m 2017-12-27T03:36:29.35
IV.PLAC.HNE. ML:2.8 0.00032285695000000005 0.2592 AML other m 2017-12-27T03:36:28.95
IV.PLAC.HNN. ML:2.7 0.00024689715 0.2592 AML other m 2017-12-27T03:36:29.35
IV.PLAC.HHN. ML:2.8 0.00033166665 0.2592 AML other m 2017-12-27T03:36:28.95
IV.GRI.EHN. ML:2.8 0.0002628121 0.28 AML other m 2017-12-27T03:36:32.28
IV.AGST.EHE. ML:2.5 0.000101026345 0.3392 AML other m 2017-12-27T03:36:34.74
IV.AGST.EHN. ML:2.7 0.00018175876000000002 0.2192 AML other m 2017-12-27T03:36:34.07
IV.HAGA.HHN. ML:2.3 0.000076369695 0.3984 AML other m 2017-12-27T03:36:35.13
IV.HAGA.HHE. ML:2.2 0.000050234205 0.2192 AML other m 2017-12-27T03:36:35.23
IV.SPS2.HHN. ML:2.3 0.00007600266 0.2592 AML other m 2017-12-27T03:36:36.89
IV.SPS2.HHE. ML:2.4 0.000101914455 0.2592 AML other m 2017-12-27T03:36:34.49
IV.SERS.HHE. ML:2.4 0.000085293485 0.4208 AML other m 2017-12-27T03:36:38.06
IV.SERS.HNN. ML:2.4 0.000080816505 0.4 AML other m 2017-12-27T03:36:38.05
IV.SERS.HHN. ML:2.7 0.00016326455 0.24 AML other m 2017-12-27T03:36:35.73
IV.SERS.HNE. ML:2.7 0.00016558375 0.2608 AML other m 2017-12-27T03:36:35.61
IV.SSY.HHE. ML:2.3 0.00007179362 0.44 AML other m 2017-12-27T03:36:37.18
MN.TIP.HHE. ML:2.2 0.000056868385 0.56 AML other m 2017-12-27T03:36:38.37
MN.TIP.HNE. ML:2.2 0.000049187955 0.32 AML other m 2017-12-27T03:36:37.80
MN.TIP.HNN. ML:2.3 0.000060652465 0.72 AML other m 2017-12-27T03:36:35.62
MN.TIP.HHN. ML:2.4 0.0000797069 0.5792 AML other m 2017-12-27T03:36:37.49
IV.CELI.HNN. ML:2.4 0.000086135715 0.3408 AML other m 2017-12-27T03:36:39.72
IV.CELI.HNE. ML:2.2 0.000056191375000000004 0.4608 AML other m 2017-12-27T03:36:40.67
IV.CELI.HHN. ML:2.8 0.0001960079 0.4416 AML other m 2017-12-27T03:36:39.95
IV.CELI.HHE. ML:2.6 0.0001373944 0.44 AML other m 2017-12-27T03:36:40.67
IV.TDS.HHN. ML:2.4 0.00006393166 0.2784 AML other m 2017-12-27T03:36:39.82
IV.TDS.HHE. ML:2.3 0.0000525465 0.2592 AML other m 2017-12-27T03:36:39.77
IV.PIPA.HHN. ML:2.5 0.000081229095 0.36 AML other m 2017-12-27T03:36:44.25
IV.PIPA.HHE. ML:2.6 0.00011418501 0.24 AML other m 2017-12-27T03:36:43.94
IV.PIPA.HNE. ML:2.8 0.00015257345 0.6496 AML other m 2017-12-27T03:36:44.77
IV.SALB.HHN. ML:2.3 0.000046649365000000005 0.2608 AML other m 2017-12-27T03:36:24.14
IV.SIRI.HHE. ML:2.4 0.00005113691 0.2208 AML other m 2017-12-27T03:36:26.25
IV.SIRI.HHN. ML:2.3 0.000041575945000000006 0.3008 AML other m 2017-12-27T03:36:27.15
IV.MCEL.HNE. ML:2.5 0.000058503634999999996 0.7008 AML other m 2017-12-27T03:36:29.40
GE.MATE.HHN. ML:2.7 0.00005440134500000001 0.2608 AML other m 2017-12-27T03:37:01.76
GE.MATE.HHE. ML:2.6 0.000048259755 0.16 AML other m 2017-12-27T03:37:00.79
IV.MRVN.HHN. ML:2.4 0.000025622695 0.2 AML other m 2017-12-27T03:37:07.60
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