Earthquake with magnitude of ML 1.9 on date 15-04-2017 and time 14:08:33 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 15-04-2017 12:08:33 (UTC)
  • 15-04-2017 14:08:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.48, 15.39 at 117 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
35 Km NW of Messina (238439 inhabitants)
47 Km NW of Reggio di Calabria (183035 inhabitants)
98 Km N of Acireale (52622 inhabitants)
98 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 1.9 2017-04-15
12:08:33
38.48 15.39 117 2018-01-10
09:56:13
Bollettino Sismico Italiano INGV 50155061
Reviewed
Rev100
ML 1.9 2017-04-15
12:08:33
38.54 15.38 116 2017-04-15
12:20:08
Sala Sismica INGV-Roma 43924471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-15 12:08:33 ± 0.48
Latitude 38.48 ± 0.05
Longitude 15.39 ± 0.04
Depth (km) 117 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50155061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6390
Semi-minor axis of confidence ellipse (meter) 1150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 6390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.23203
Epicentral distance of station farthest from the epicenter (degree) 0.82288
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 43924471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-15 12:20:08

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 50155061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-20 11:17:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2017-04-15T12:09:09.64 0.6 undecidable manual S 92 0.8229 139 0.51 41
IV.NOV.HHZ. 2017-04-15T12:09:05.86 0.6 undecidable manual S 204 0.4892 153 1.26 32
IV.JOPP.HHZ. 2017-04-15T12:09:03.75 0.6 undecidable manual S 71 0.411 157 -0.05 49
IV.MSRU.HHZ. 2017-04-15T12:09:02.09 0.3 undecidable manual S 156 0.232 166 -0.35 72
IV.PLAC.HHZ. 2017-04-15T12:08:54.38 0.1 positive manual P 92 0.8229 139 0.15 88
IV.IFIL.HHE. 2017-04-15T12:08:53.12 0.6 undecidable manual P 278 0.6403 146 0.44 43
IV.MSFR.HHZ. 2017-04-15T12:08:53.80 0.3 undecidable manual P 235 0.7644 141 0.1 68
IV.AIO.HHN. 2017-04-15T12:08:52.35 0.3 undecidable manual P 194 0.5189 151 0.55 65
IV.SOI.EHZ. 2017-04-15T12:08:52.43 0.3 undecidable manual P 127 0.6601 145 -0.4 65
IV.JOPP.HHZ. 2017-04-15T12:08:51.33 0.3 undecidable manual P 71 0.411 157 0.18 72
IV.NOV.HHZ. 2017-04-15T12:08:51.83 0.1 undecidable manual P 204 0.4892 153 0.22 94
IV.MUCR.HHE. 2017-04-15T12:08:51.95 0.3 undecidable manual P 223 0.5909 148 -0.35 67
IV.IVPL.HHE. 2017-04-15T12:08:50.71 0.1 undecidable manual P 253 0.3336 161 -0.05 100
IV.MILZ.HHN. 2017-04-15T12:08:49.88 0.1 undecidable manual P 211 0.2383 166 -0.5 92
IV.MSRU.HHZ. 2017-04-15T12:08:49.78 0.3 undecidable manual P 156 0.232 166 -0.58 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.6 3.202444E-5 0.1408 AML other m 2017-04-15T12:09:05.06
IV.JOPP.HHE. ML:1.9 5.241632E-5 0.2368 AML other m 2017-04-15T12:09:05.56
IV.MSRU.HHE. ML:2 8.048415E-5 0.2048 AML other m 2017-04-15T12:09:02.28
IV.MSRU.HHN. ML:2 7.6898715E-5 0.2752 AML other m 2017-04-15T12:09:02.81
IV.NOV.HHE. ML:2.1 9.035678E-5 0.9792 AML other m 2017-04-15T12:09:25.98
IV.NOV.HHN. ML:2 5.7521665E-5 1.024 AML other m 2017-04-15T12:09:25.95
IV.PLAC.HNE. ML:2 4.983343E-5 1.1008 AML other m 2017-04-15T12:09:22.17
IV.PLAC.HHN. ML:2 5.0652545E-5 0.3776 AML other m 2017-04-15T12:09:10.51
IV.PLAC.HHE. ML:1.9 3.8131455E-5 0.3584 AML other m 2017-04-15T12:09:10.56
IV.PLAC.HNN. ML:1.8 3.264019E-5 0.8192 AML other m 2017-04-15T12:09:26.70
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download