Earthquake with magnitude of ML 2.3 on date 16-04-2016 and time 19:51:31 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 16-04-2016 19:51:31 (UTC)
  • 16-04-2016 21:51:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5850, 12.8760 at 10 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
67 Km NW of Palermo (674435 inhabitants)
70 Km NE of Trapani (68759 inhabitants)
79 Km NW of Bagheria (55387 inhabitants)
95 Km NE of Marsala (83194 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 2.3 2016-04-16
19:51:31
38.5852 12.8763 10 2016-05-17
13:18:31
Bollettino Sismico Italiano INGV 24531721
Reviewed
Rev100
ML 2.4 2016-04-16
19:51:31
38.5943 12.8858 10 2016-04-16
20:22:49
Sala Sismica INGV-Roma 24393751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-04-16 19:51:31 ± 0.43
Latitude 38.5852 ± 0.0234
Longitude 12.8763 ± 0.0219
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 24531721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2820
Semi-minor axis of confidence ellipse (meter) 1510
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 2820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.83111
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 18
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 24531721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-05-10 02:56:36

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 24393751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-04-16 20:22:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2016-04-16T19:53:30.99 3.0 undecidable manual Sn -9.99 0
IV.TRIV.HHZ. 2016-04-16T19:53:18.99 3.0 undecidable manual Sn 425.2521 -8.58 0
IV.CPGN.EHZ. 2016-04-16T19:53:15.78 3.0 undecidable manual Pg 3.52 0
IV.ARCI.HHZ. 2016-04-16T19:53:11.95 3.0 undecidable manual Pg 9.87 0
IV.FOSV.EHZ. 2016-04-16T19:53:05.78 3.0 undecidable manual Pg 1.13 0
IV.ROM9.HNZ. 2016-04-16T19:52:46.25 3.0 positive manual Pg 0.8 0
IV.TRIV.HHZ. 2016-04-16T19:52:33.54 3.0 negative manual Pn 425.2521 -9.92 0
IV.MEU.SHZ. 2016-04-16T19:52:08.56 0.3 undecidable manual P 133 236.6853 38 0.65 40
IV.HLNI.HHZ. 2016-04-16T19:52:06.06 0.3 undecidable manual P 128 222.0111 38 -0.02 52
IV.AIO.HHZ. 2016-04-16T19:52:05.29 0.3 undecidable manual P 108 216.2169 38 -0.08 54
IV.MUCR.HHZ. 2016-04-16T19:52:00.62 0.3 undecidable manual P 108 183.9825 38 -0.74 54
IV.MNO.SHZ. 2016-04-16T19:51:59.50 0.3 undecidable manual P 114 174.1923 50 -0.59 60
IV.RESU.HHZ. 2016-04-16T19:51:57.15 0.3 undecidable manual P 135 146.4423 50 1.34 48
IV.SOLUN.HHE. 2016-04-16T19:51:55.21 0.6 undecidable manual S 134 79.0653 50 -0.23 57
IV.PETRA.HHZ. 2016-04-16T19:51:54.45 0.3 undecidable manual P 127 136.3635 50 0.2 77
IV.PLLN.EHN. 2016-04-16T19:51:53.15 0.6 undecidable manual P 120 128.3715 50 0.13 53
IV.IACL.HHE. 2016-04-16T19:51:52.96 0.3 undecidable manual P 92 128.3715 50 -0.06 80
IV.GIB.HHZ. 2016-04-16T19:51:52.53 0.3 undecidable manual P 123 119.8911 50 0.82 66
IV.ALJA.HHZ. 2016-04-16T19:51:52.51 0.3 undecidable manual P 140 120.1908 50 0.74 68
IV.CSLB.HHZ. 2016-04-16T19:51:52.49 0.3 undecidable manual P 125 125.4744 50 -0.09 80
IV.ERC.EHE. 2016-04-16T19:51:51.48 0.3 undecidable manual S 203 65.7897 50 -0.41 85
IV.MPG.SHE. 2016-04-16T19:51:51.09 0.3 undecidable manual S 138 63.0924 50 -0.07 91
IV.MMGO.SHZ. 2016-04-16T19:51:49.49 0.3 undecidable manual P 175 102.8193 50 0.42 79
IV.CRJA.SHZ. 2016-04-16T19:51:47.76 1.0 undecidable manual P 173 87.6456 50 1.02 21
IV.MFNL.SHZ. 2016-04-16T19:51:47.46 0.6 undecidable manual P 177 88.245 50 0.63 50
IV.SOLUN.HHE. 2016-04-16T19:51:44.68 0.3 undecidable manual P 134 79.0653 50 -0.74 73
IV.ERC.EHE. 2016-04-16T19:51:43.12 0.3 undecidable manual P 203 65.7897 50 -0.25 87
IV.MPG.SHE. 2016-04-16T19:51:42.19 0.1 undecidable manual P 138 63.0924 50 -0.76 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:2.1 0.00002765 0.68 AML other m 2016-04-16T19:52:33.26
IV.AIO.HHE. ML:2.0 0.0000246 0.42 AML other m 2016-04-16T19:52:33.72
IV.ALJA.HHE. ML:2.6 0.00031800000000000003 1.5 AML other m 2016-04-16T19:52:12.90
IV.ALJA.HHN. ML:2.8 0.0004415 0.72 AML other m 2016-04-16T19:52:15.70
IV.CSLB.HHE. ML:2.0 0.00006379999999999999 1.36 AML other m 2016-04-16T19:52:13.31
IV.CSLB.HHN. ML:2.0 0.00007515 0.46 AML other m 2016-04-16T19:52:15.73
IV.GIB.HHE. ML:2.6 0.0002705 0.68 AML other m 2016-04-16T19:52:13.16
IV.GIB.HHN. ML:2.5 0.00022600000000000002 0.68 AML other m 2016-04-16T19:52:15.30
IV.HLNI.HHE. ML:2.2 0.00003285 1.4 AML other m 2016-04-16T19:52:36.78
IV.HLNI.HHN. ML:2.2 0.000042300000000000005 0.72 AML other m 2016-04-16T19:52:33.29
IV.MEU.SHE. ML:0.0 0.00006924999999999999 1.28 AML other m 2016-04-16T19:52:40.27
IV.MEU.SHN. ML:0.0 0.00008755 0.32 AML other m 2016-04-16T19:52:36.33
IV.MUCR.HHE. ML:2.2 0.00005385 0.76 AML other m 2016-04-16T19:52:37.64
IV.MUCR.HHN. ML:2.2 0.00005265 0.48 AML other m 2016-04-16T19:52:32.49
IV.PETRA.HHE. ML:2.4 0.000163 0.88 AML other m 2016-04-16T19:52:14.07
IV.PETRA.HHN. ML:2.6 0.00022600000000000002 0.56 AML other m 2016-04-16T19:52:17.53
IV.RESU.HHN. ML:2.5 0.00015900000000000002 0.56 AML other m 2016-04-16T19:52:25.97
IV.RESU.HHE. ML:2.3 0.00009839999999999999 0.8 AML other m 2016-04-16T19:52:25.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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