Earthquake with magnitude of ML 2.5 on date 30-04-2015 and time 10:10:00 (Italy) in region Tirreno Meridionale (MARE)

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

  • 30-04-2015 08:10:00 (UTC)
  • 30-04-2015 10:10:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5140, 12.8180 at 9 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
61 Km NE of Trapani (68759 inhabitants)
65 Km NW of Palermo (674435 inhabitants)
77 Km NW of Bagheria (55387 inhabitants)
86 Km NE of Marsala (83194 inhabitants)
98 Km N of Mazara del Vallo (51718 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 2015-04-30
08:10:00
38.5137 12.818 9 2015-10-19
09:28:02
Bollettino Sismico Italiano INGV 21649981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-30 08:10:00 ± 0.34
Latitude 38.5137 ± 0.0171
Longitude 12.8180 ± 0.0276
Depth (km) 9 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21649981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2480
Semi-minor axis of confidence ellipse (meter) 1850
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 2480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.86704
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 21649981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-01 09:20:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2015-04-30T08:11:39.42 3.0 negative manual Pg 16.75 0
CR.STON.BHZ. 2015-04-30T08:11:38.78 3.0 negative manual Pg 21.379999 0
IV.MIDA.HHZ. 2015-04-30T08:11:37.99 3.0 undecidable manual Sg 15.58 0
IV.GROG.HHZ. 2015-04-30T08:11:36.39 3.0 negative manual Pg 18.620001 0
AC.VLO.HHZ. 2015-04-30T08:11:30.64 3.0 undecidable manual Pg 16.799999 0
IV.LPEL.HHZ. 2015-04-30T08:11:29.99 3.0 undecidable manual Sn -2.36 0
IV.ARVD.HHZ. 2015-04-30T08:11:28.46 3.0 undecidable manual Pg 18.42 0
IV.RMP.HHZ. 2015-04-30T08:11:25.99 3.0 undecidable manual Sn 0.52 0
IV.PE3.EHZ. 2015-04-30T08:11:19.53 3.0 undecidable manual Pn 6.4 0
IV.MTL1.HNZ. 2015-04-30T08:11:18.99 3.0 undecidable manual Pg 12.29 0
IV.CSP1.EHZ. 2015-04-30T08:11:09.03 3.0 negative manual Pn 4.64 0
IV.PP3.EHZ. 2015-04-30T08:11:06.51 3.0 undecidable manual Pn -1.88 0
IV.LPDG.HHZ. 2015-04-30T08:10:47.74 3.0 negative manual Pn 1.42 0
IV.TRIV.HHZ. 2015-04-30T08:10:46.16 3.0 undecidable manual Pn -2.1 0
IV.CGL.SHZ. 2015-04-30T08:10:45.76 0.1 undecidable manual P 288 318.237 38 -0.88 28
MN.VSL.BHZ. 2015-04-30T08:10:45.23 0.1 undecidable manual P 291 315.9504 38 -1.12 26
IV.SGTA.HNZ. 2015-04-30T08:10:44.47 3.0 undecidable manual Pn 0.43 0
IV.RNI2.HHZ. 2015-04-30T08:10:43.76 3.0 positive manual Pn -2.6 0
IV.RAFF.HHE. 2015-04-30T08:10:31.22 0.6 undecidable manual P 136 196.9584 38 -0.33 42
IV.CAGR.HHE. 2015-04-30T08:10:30.43 0.6 undecidable manual P 123 177.0894 50 1.37 30
IV.CLTA.HHE. 2015-04-30T08:10:29.95 0.3 undecidable manual P 146 180.6858 38 0.42 67
IV.PETRA.HHE. 2015-04-30T08:10:22.31 0.6 undecidable manual P 123 135.9639 50 -0.41 53
IV.ALJA.HHE. 2015-04-30T08:10:20.48 0.3 undecidable manual P 136 117.6933 50 0.57 79
IV.GIB.HHE. 2015-04-30T08:10:20.25 0.3 undecidable manual P 119 120.1908 50 -0.04 89
IV.CSLB.HHE. 2015-04-30T08:10:20.51 0.3 undecidable manual P 120 125.5743 50 -0.61 77
MN.CLTB.HHE. 2015-04-30T08:10:19.47 0.6 undecidable manual P 161 109.4127 50 0.83 48
IV.MPG.SHZ. 2015-04-30T08:10:18.41 0.6 undecidable manual S 129 61.1943 50 -0.94 50
IV.MMGO.SHZ. 2015-04-30T08:10:16.80 0.3 undecidable manual P 172 95.5377 50 0.32 89
IV.CORL.HHE. 2015-04-30T08:10:14.71 0.3 undecidable manual P 148 80.6637 50 0.5 88
IV.USI.HHZ. 2015-04-30T08:10:13.20 0.6 undecidable manual S 55 38.0286 50 0.04 70
IV.SOLUN.HHE. 2015-04-30T08:10:13.77 0.3 undecidable manual P 127 77.8665 50 0.01 98
IV.MPG.SHZ. 2015-04-30T08:10:10.24 0.1 undecidable manual P 129 61.1943 50 -0.96 100
IV.USI.HHZ. 2015-04-30T08:10:08.20 0.3 undecidable manual P 55 38.0286 50 0.57 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPG.SHE. ML:0.0 0.0004825 0.64 AML other m 2015-04-30T08:10:20.00
IV.MPG.SHN. ML:0.0 0.0005855 0.36 AML other m 2015-04-30T08:10:20.00
IV.USI.HHN. ML:2.5 0.00124 0.74 AML other m 2015-04-30T08:10:16.46
IV.USI.HHE. ML:2.6 0.0014100000000000002 0.38 AML other m 2015-04-30T08:10:31.20
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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