Earthquake with magnitude of ML 2.4 on date 03-10-2015 and time 05:14:37 (UTC) in region Tirreno Meridionale (MARE)

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

  • 03-10-2015 05:14:37 (UTC)
  • 03-10-2015 07:14:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5000, 12.7870 at 36 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
59 Km NE of Trapani (68759 inhabitants)
66 Km NW of Palermo (674435 inhabitants)
79 Km NW of Bagheria (55387 inhabitants)
84 Km NE of Marsala (83194 inhabitants)
96 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 2.4 2015-10-03
05:14:37
38.5002 12.7873 36 2016-02-19
13:22:16
Bollettino Sismico Italiano INGV 21908851
Reviewed
Rev100
ML 2.4 2015-10-03
05:14:37
38.5087 12.7877 37 2015-10-03
05:25:37
Sala Sismica INGV-Roma 21671621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-10-03 05:14:37 ± 0.26
Latitude 38.5002 ± 0.0162
Longitude 12.7873 ± 0.0276
Depth (km) 36 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21908851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2490
Semi-minor axis of confidence ellipse (meter) 1620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 2490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.36962
Epicentral distance of station farthest from the epicenter (degree) 0.85076
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 21671621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-10-03 05:25:36

ML:2.4

Field Value
Value 2.4
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 21908851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-22 10:07:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOLUN.HHZ. 2015-10-03T05:15:01.76 0.6 undecidable manual S 125 79.1652 54 -0.37 57
IV.USI.HHZ. 2015-10-03T05:14:53.25 0.3 undecidable manual S 56 41.0256 127 0.05 100
IV.MMGO.SHZ. 2015-10-03T05:14:53.34 1.0 undecidable manual P 170 94.4388 54 -0.28 29
IV.CORL.HHZ. 2015-10-03T05:14:52.54 0.3 undecidable manual P 146 80.8635 54 0.61 80
IV.SOLUN.HHZ. 2015-10-03T05:14:51.73 0.3 undecidable manual P 125 79.1652 54 0.02 93
IV.ERC.EHZ. 2015-10-03T05:14:48.07 0.3 undecidable manual P 199 54.2013 119 -0.19 95
IV.USI.HHZ. 2015-10-03T05:14:46.49 0.3 undecidable manual P 56 41.0256 127 -0.07 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHN. ML:2.4 0.0005985000000000001 0.68 AML other m 2015-10-03T05:14:54.16
IV.USI.HHE. ML:2.4 0.000651 1.56 AML other m 2015-10-03T05:14:54.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download