Earthquake with magnitude of ML 2.4 on date 20-02-2017 and time 10:44:45 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 20-02-2017 10:44:45 (UTC)
  • 20-02-2017 11:44:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6570, 15.4060 at 218 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Messina (238439 inhabitants)
64 Km NW of Reggio di Calabria (183035 inhabitants)
87 Km W 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 2.4 2017-02-20
10:44:45
38.6568 15.4065 218 2018-01-10
09:51:17
Bollettino Sismico Italiano INGV 49796251
Reviewed
Rev100
ML 2.3 2017-02-20
10:44:45
38.6093 15.4098 214 2017-02-20
10:55:16
Sala Sismica INGV-Roma 41371371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-20 10:44:45 ± 0.41
Latitude 38.6568 ± 0.0360
Longitude 15.4065 ± 0.0507
Depth (km) 218 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 49796251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5193
Semi-minor axis of confidence ellipse (meter) 2086
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 5190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06750
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 49796251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-26 17:33:34

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 41371371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-20 10:55:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2017-02-20T10:47:12.39 3.0 positive manual Pg 21.75 0
IV.T1217.EHZ. 2017-02-20T10:47:09.86 3.0 undecidable manual Sg 5.11 0
IV.EUCT.HNZ. 2017-02-20T10:46:52.55 3.0 undecidable manual Pn -1.73 0
IV.STAL.HNZ. 2017-02-20T10:46:44.03 3.0 undecidable manual Pn -6.63 0
IV.LRP.HHZ. 2017-02-20T10:46:39.71 3.0 undecidable manual Sg 2 0
MN.TRI.BHZ. 2017-02-20T10:46:37.31 3.0 undecidable manual Pn -3.5 0
AC.VLO.HHZ. 2017-02-20T10:46:30.29 3.0 undecidable manual Sn -0.05 0
IV.PTRJ.HNZ. 2017-02-20T10:46:27.34 3.0 undecidable manual Sg 2.09 0
IV.RNI2.HHZ. 2017-02-20T10:45:54.62 3.0 undecidable manual Pg 5.57 0
IV.CET2.HHZ. 2017-02-20T10:45:40.93 0.6 undecidable manual S 26 107.6145 152 0.46 46
IV.PLAC.HHZ. 2017-02-20T10:45:39.08 0.6 undecidable manual S 104 92.4408 156 0.04 52
IV.NOV.HHZ. 2017-02-20T10:45:38.62 0.6 undecidable manual S 199 73.6707 160 1.09 38
IV.MUCR.HHE. 2017-02-20T10:45:38.46 0.6 undecidable manual S 214 82.3509 158 0.26 51
IV.MSCL.HHN. 2017-02-20T10:45:36.53 0.6 undecidable manual S 145 57.6978 164 0.03 56
IV.MSRU.HHE. 2017-02-20T10:45:35.30 0.6 undecidable manual S 169 44.5221 168 -0.52 51
IV.JOPP.HHZ. 2017-02-20T10:45:35.03 0.6 undecidable manual S 97 41.9247 169 -0.67 49
IV.SERS.HHZ. 2017-02-20T10:45:18.10 0.3 undecidable manual P 69 118.4925 150 0.38 69
IV.PLAC.HHZ. 2017-02-20T10:45:16.47 0.1 positive manual P 104 92.4408 156 0.22 100
IV.CET2.HHZ. 2017-02-20T10:45:16.57 0.6 undecidable manual P 26 107.6145 152 -0.51 46
IV.CAR1.HHZ. 2017-02-20T10:45:16.79 0.3 undecidable manual P 46 95.9262 155 0.36 72
IV.SOI.EHZ. 2017-02-20T10:45:16.01 0.3 undecidable manual P 139 85.8474 157 0.08 78
IV.MUCR.HHE. 2017-02-20T10:45:15.11 0.6 undecidable manual P 214 82.3509 158 -0.66 45
IV.NOV.HHZ. 2017-02-20T10:45:15.76 0.3 undecidable manual P 199 73.6707 160 0.38 75
IV.AIO.HHE. 2017-02-20T10:45:15.86 0.3 undecidable manual P 191 77.5668 159 0.31 76
IV.IVPL.HHZ. 2017-02-20T10:45:14.38 0.6 undecidable manual P 230 48.3183 167 -0.12 56
IV.MSCL.HHN. 2017-02-20T10:45:14.56 0.6 undecidable manual P 145 57.6978 164 -0.23 54
IV.JOPP.HHZ. 2017-02-20T10:45:13.85 0.3 undecidable manual P 97 41.9247 169 -0.47 78
IV.MSRU.HHE. 2017-02-20T10:45:13.78 0.3 undecidable manual P 169 44.5221 168 -0.61 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:2.1 0.000032342864999999996 1.04 AML other m 2017-02-20T10:45:36.18
IV.CAR1.HHE. ML:2.3 0.000046 0.42 AML other m 2017-02-20T10:45:38.52
IV.NOV.HHE. ML:2.5 0.00007266333999999999 0.48 AML other m 2017-02-20T10:45:39.58
IV.PLAC.HNE. ML:2.4 0.00005336338 4.3584 AML other m 2017-02-20T10:45:39.61
IV.CAR1.HNN. ML:3.0 0.00019058985 1.3824 AML other m 2017-02-20T10:45:40.44
IV.PLAC.HNN. ML:2.4 0.000052251565 0.6144 AML other m 2017-02-20T10:45:40.43
IV.PLAC.HHN. ML:2.3 0.000041455295 3.1232 AML other m 2017-02-20T10:45:39.24
IV.CAR1.HNE. ML:2.9 0.0001575854 3.0016 AML other m 2017-02-20T10:45:42.72
IV.SOI.EHN. ML:2.4 0.000047699999999999994 0.58 AML other m 2017-02-20T10:45:41.89
IV.SERS.HHN. ML:2.3 0.00004025 1.66 AML other m 2017-02-20T10:45:43.14
IV.SERS.HNE. ML:2.3 0.000034959875 3.2064 AML other m 2017-02-20T10:45:43.15
IV.NOV.HHN. ML:2.5 0.00007473978 5.4784 AML other m 2017-02-20T10:45:43.21
IV.SPS2.HHE. ML:1.9 0.000014144465 3.7056 AML other m 2017-02-20T10:45:45.30
IV.CAR1.HHN. ML:2.4 0.00004825 0.68 AML other m 2017-02-20T10:45:43.61
IV.SERS.HNN. ML:2.3 0.000041827909999999994 2.304 AML other m 2017-02-20T10:45:43.70
IV.SERS.HHE. ML:2.2 0.00003225 0.42 AML other m 2017-02-20T10:45:45.06
IV.SOI.EHE. ML:2.4 0.000053500000000000006 0.42 AML other m 2017-02-20T10:45:48.46
TDMT - Time Domain Moment Tensor
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