Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 29-10-2017 and time 07:51:49 (Italy) in region Tirreno Meridionale (MARE)

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

  • 29-10-2017 06:51:49 (UTC)
  • 29-10-2017 07:51:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4740, 15.5100 at 132 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
31 Km N of Messina (238439 inhabitants)
42 Km N of Reggio di Calabria (183035 inhabitants)
90 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 2017-10-29
06:51:49		 38.4743 15.5103 132 2018-09-04
09:07:58		 Bollettino Sismico Italiano INGV 52605931
Reviewed
Rev100 		ML 2.3 2017-10-29
06:51:49		 38.4733 15.5342 130 2017-10-29
07:00:47		 Sala Sismica INGV-Roma 51416711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-29 06:51:49 ± 0.25
Latitude 38.4743 ± 0.0180
Longitude 15.5103 ± 0.0218
Depth (km) 132 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52605931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2278
Semi-minor axis of confidence ellipse (meter) 940
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 136
Circular confidence region, given by single value of horizontal uncertainty (meter) 2280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
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) 0.21044
Epicentral distance of station farthest from the epicenter (degree) 1.54414
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 51416711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-10-29 07:00:47

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 52605931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-26 10:21:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LADO.EHE. 2017-10-29T06:52:37.32 0.6 undecidable manual S 54 155.4222 127 0.01 39
IV.CELI.HHE. 2017-10-29T06:52:35.06 0.6 undecidable manual S 40 134.2656 131 1.31 26
IV.SERS.HHZ. 2017-10-29T06:52:31.99 1.0 undecidable manual S 58 119.4915 135 0.58 18
IV.CET2.HHZ. 2017-10-29T06:52:31.58 0.6 undecidable manual S 18 123.0879 134 -0.39 39
IV.CAR1.HHZ. 2017-10-29T06:52:28.85 1.0 undecidable manual S 35 105.5166 138 -0.49 20
IV.PLAC.HHZ. 2017-10-29T06:52:26.09 0.6 undecidable manual S 92 80.6637 146 0.05 45
IV.AIO.HHZ. 2017-10-29T06:52:25.11 1.0 undecidable manual S 203 60.7947 153 1.23 16
IV.SOI.EHZ. 2017-10-29T06:52:24.37 0.6 undecidable manual S 133 64.9905 152 0.07 46
IV.JOPP.HHZ. 2017-10-29T06:52:22.08 0.3 undecidable manual S 66 35.742 164 0.19 73
IV.MILZ.HHZ. 2017-10-29T06:52:21.61 0.6 undecidable manual S 227 33.1446 165 -0.12 49
IV.MSRU.HHZ. 2017-10-29T06:52:20.75 0.6 undecidable manual S 180 23.3544 169 -0.51 46
IV.SALB.HHZ. 2017-10-29T06:52:19.37 0.1 undecidable manual P 25 171.3951 124 0.6 63
IV.MEU.SHZ. 2017-10-29T06:52:17.88 0.3 undecidable manual P 202 162.5151 125 0.02 56
IV.LADO.EHE. 2017-10-29T06:52:16.52 0.6 undecidable manual P 54 155.4222 127 -0.62 34
IV.CELI.HHE. 2017-10-29T06:52:15.42 0.3 undecidable manual P 40 134.2656 131 0.33 58
IV.HLNI.HHZ. 2017-10-29T06:52:14.58 0.6 undecidable manual P 204 136.863 130 -0.75 34
MN.TIP.HHZ. 2017-10-29T06:52:14.94 0.1 undecidable manual P 54 133.2666 131 -0.05 83
IV.SERS.HHZ. 2017-10-29T06:52:13.81 0.1 undecidable manual P 58 119.4915 135 0.08 84
IV.CET2.HHZ. 2017-10-29T06:52:13.93 0.1 undecidable manual P 18 123.0879 134 -0.13 82
IV.CAR1.HHZ. 2017-10-29T06:52:12.07 0.1 undecidable manual P 35 105.5166 138 -0.47 80
IV.GRI.EHN. 2017-10-29T06:52:11.63 0.3 undecidable manual P 64 87.7455 144 0.49 61
IV.MSFR.HHZ. 2017-10-29T06:52:11.64 0.3 undecidable manual P 239 93.7395 142 0.04 68
IV.PLAC.HHZ. 2017-10-29T06:52:10.54 0.1 undecidable manual P 92 80.6637 146 -0.1 92
IV.AIO.HHZ. 2017-10-29T06:52:10.12 0.1 undecidable manual P 203 60.7947 153 0.73 79
IV.IFIL.HHZ. 2017-10-29T06:52:10.72 0.1 undecidable manual P 277 81.7515 146 0.01 91
IV.MUCR.HHZ. 2017-10-29T06:52:10.41 0.1 undecidable manual P 229 73.2711 149 0.27 89
IV.SOI.EHZ. 2017-10-29T06:52:09.36 0.1 undecidable manual P 133 64.9905 152 -0.27 91
IV.MILZ.HHZ. 2017-10-29T06:52:08.22 0.1 undecidable manual P 227 33.1446 165 0.07 100
IV.IVPL.HHZ. 2017-10-29T06:52:08.64 0.3 undecidable manual P 257 47.3193 159 -0.06 72
IV.MSRU.HHZ. 2017-10-29T06:52:07.34 0.1 undecidable manual P 180 23.3544 169 -0.54 91
IV.JOPP.HHZ. 2017-10-29T06:52:07.90 0.1 undecidable manual P 66 35.742 164 -0.34 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHE. ML:2.6 0.00025459565 0.88 AML other m 2017-10-29T06:52:21.50
IV.MILZ.HHN. ML:2.8 0.00040701035 0.4576 AML other m 2017-10-29T06:52:22.03
IV.MSRU.HHN. ML:2.6 0.00027524455000000003 0.32 AML other m 2017-10-29T06:52:22.28
IV.JOPP.HHE. ML:2.4 0.00015421649999999997 0.2592 AML other m 2017-10-29T06:52:22.53
IV.JOPP.HHN. ML:2.4 0.00015349135 0.1376 AML other m 2017-10-29T06:52:23.04
IV.MILZ.HHE. ML:2.6 0.00022651669999999998 0.3392 AML other m 2017-10-29T06:52:23.17
IV.SOI.EHN. ML:2.3 0.00010693430000000001 0.2816 AML other m 2017-10-29T06:52:24.58
IV.SOI.EHE. ML:2.1 0.00006738709 0.3008 AML other m 2017-10-29T06:52:24.86
IV.AIO.HHE. ML:2.2 0.00009484264500000001 0.2592 AML other m 2017-10-29T06:52:25.36
IV.AIO.HHN. ML:2.3 0.00011732955 1.1424 AML other m 2017-10-29T06:52:26.16
IV.PLAC.HNE. ML:2.2 0.00007228655 0.3616 AML other m 2017-10-29T06:52:26.44
IV.PLAC.HHN. ML:2.2 0.000081931115 0.3808 AML other m 2017-10-29T06:52:26.26
IV.CAR1.HNE. ML:2.7 0.0002114172 1.68 AML other m 2017-10-29T06:52:30.08
IV.CAR1.HNN. ML:2.7 0.00022278045000000002 0.5024 AML other m 2017-10-29T06:52:29.83
IV.CET2.HHE. ML:3.0 0.0003235 0.4 AML other m 2017-10-29T06:52:32.30
IV.CET2.HHN. ML:3.2 0.0006737907999999999 0.3808 AML other m 2017-10-29T06:52:33.20
IV.SERS.HNN. ML:2.2 0.00005494849 0.6208 AML other m 2017-10-29T06:52:33.52
IV.SERS.HHN. ML:2.2 0.00005485 0.42 AML other m 2017-10-29T06:52:34.21
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