Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-04-2016 and time 02:11:48 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-04-2016 00:11:48 (UTC)
  • 18-04-2016 02:11:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4730, 15.4800 at 131 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
32 Km N of Messina (238439 inhabitants)
43 Km NW of Reggio di Calabria (183035 inhabitants)
92 Km SW of Lamezia Terme (70714 inhabitants)
99 Km N of Acireale (52622 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 2.0 2016-04-18
00:11:48		 38.4728 15.4795 131 2016-05-17
13:18:32		 Bollettino Sismico Italiano INGV 24637391
Reviewed
Rev100 		ML 2.0 2016-04-18
00:11:49		 38.4972 15.4697 130 2016-04-18
00:18:51		 Sala Sismica INGV-Roma 24435801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-04-18 00:11:48 ± 0.2
Latitude 38.4728 ± 0.0126
Longitude 15.4795 ± 0.0172
Depth (km) 131 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 24637391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1744
Semi-minor axis of confidence ellipse (meter) 744
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) 1740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.21044
Epicentral distance of station farthest from the epicenter (degree) 1.44971
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 24637391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-04-26 10:38:02

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 24435801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-04-18 00:18:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2016-04-18T00:12:33.84 0.6 undecidable manual S 40 136.1637 130 0.52 40
IV.CAR1.HHZ. 2016-04-18T00:12:28.44 0.6 undecidable manual S 36 107.2149 138 -0.4 43
IV.PLAC.HHZ. 2016-04-18T00:12:25.53 0.6 undecidable manual S 91 83.3499 145 -0.09 48
IV.MTTG.HHZ. 2016-04-18T00:12:23.18 0.6 undecidable manual S 160 55.5 155 0.55 45
IV.SOI.EHZ. 2016-04-18T00:12:23.85 0.6 undecidable manual S 131 66.8775 151 0.12 50
IV.JOPP.HHZ. 2016-04-18T00:12:21.41 0.3 undecidable manual S 67 38.2284 162 0.13 78
MN.CEL.HNZ. 2016-04-18T00:12:21.58 0.3 undecidable manual S 123 43.0236 160 -0.03 79
IV.IVPL.HHZ. 2016-04-18T00:12:21.26 0.6 undecidable manual S 256 44.7219 160 -0.47 48
IV.MPNC.HHN. 2016-04-18T00:12:21.41 0.6 undecidable manual S 197 37.8288 163 0.15 52
IV.MSRU.HHZ. 2016-04-18T00:12:20.29 0.6 undecidable manual S 174 23.3544 169 -0.2 53
IV.PIPA.HHZ. 2016-04-18T00:12:16.98 0.1 undecidable manual P 45 160.9167 125 -0.02 81
IV.CELI.HHZ. 2016-04-18T00:12:14.82 0.1 undecidable manual P 40 136.1637 130 0.26 84
IV.SERS.HHZ. 2016-04-18T00:12:13.33 0.1 undecidable manual P 59 121.7892 134 0.09 90
IV.CAR1.HHZ. 2016-04-18T00:12:11.52 0.1 undecidable manual P 36 107.2149 138 -0.45 85
IV.PLAC.HHZ. 2016-04-18T00:12:10.07 0.1 undecidable manual P 91 83.3499 145 -0.05 97
IV.IFIL.HHN. 2016-04-18T00:12:10.23 0.1 undecidable manual P 278 79.1652 146 0.41 91
IV.SOI.EHZ. 2016-04-18T00:12:08.88 0.1 undecidable manual P 131 66.8775 151 -0.15 99
IV.IVPL.HHZ. 2016-04-18T00:12:08.04 0.3 undecidable manual P 256 44.7219 160 0.17 76
IV.MTTG.HHZ. 2016-04-18T00:12:08.56 0.1 undecidable manual P 160 55.5 155 0.17 100
IV.MPNC.HHN. 2016-04-18T00:12:07.58 0.6 undecidable manual P 197 37.8288 163 -0.02 54
IV.JOPP.HHZ. 2016-04-18T00:12:07.45 0.3 undecidable manual P 67 38.2284 162 -0.16 78
MN.CEL.HNZ. 2016-04-18T00:12:07.59 0.3 undecidable manual P 123 43.0236 160 -0.21 76
IV.MSRU.HHZ. 2016-04-18T00:12:06.85 0.3 undecidable manual P 174 23.3544 169 -0.31 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.1 0.000082 1.52 AML other m 2016-04-18T00:12:21.67
IV.JOPP.HHE. ML:2.2 0.00008975 1.28 AML other m 2016-04-18T00:12:25.50
IV.MTTG.HHN. ML:2.0 0.00006110000000000001 1 AML other m 2016-04-18T00:12:25.67
IV.MTTG.HHE. ML:2.0 0.0000482 1.58 AML other m 2016-04-18T00:12:27.83
IV.PLAC.HHN. ML:1.9 0.0000327 0.7 AML other m 2016-04-18T00:12:25.84
IV.PLAC.HHE. ML:1.8 0.000029400000000000003 1.32 AML other m 2016-04-18T00:12:36.46
IV.SERS.HNN. ML:2.0 0.0000421 1.58 AML other m 2016-04-18T00:12:50.63
IV.SERS.HNE. ML:2.3 0.00007505000000000001 1.56 AML other m 2016-04-18T00:13:30.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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