Earthquake (quarry blast) with magnitude of ML 1.6 on date 13-10-2014 and time 11:49:03 (Italy) in region 2 km E Melilli (SR)

A magnitude ML 1.6 (quarry blast) earthquake occured in region: 2 km E Melilli (SR), on

  • 13-10-2014 09:49:03 (UTC)
  • 13-10-2014 11:49:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1880, 15.1500 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Melilli SR 2 13621 13621
Priolo Gargallo SR 5 12091 25712
Augusta SR 8 36305 62017
Solarino SR 10 8091 70108
Sortino SR 11 8690 78798
Floridia SR 12 22762 101560
Carlentini SR 16 17798 119358
Lentini SR 17 24085 143443
Canicattini Bagni SR 19 7109 150552
Siracusa SR 19 122291 272843
Ferla SR 20 2523 275366

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Siracusa (122291 inhabitants)
36 Km S of Catania (314555 inhabitants)
47 Km NE of Ragusa (73313 inhabitants)
47 Km S of Acireale (52622 inhabitants)
50 Km NE of Modica (54633 inhabitants)
60 Km E of Vittoria (63339 inhabitants)
81 Km E of Gela (75827 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 1.6 2014-10-13
09:49:03
37.188 15.1502 9 2015-09-21
09:40:11
Bollettino Sismico Italiano INGV 16743461
Reviewed
Rev100
ML 1.6 2014-10-13
09:49:04
37.2172 15.1647 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 8847701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-10-13 09:49:03 ± 0.26
Latitude 37.1880 ± 0.0081
Longitude 15.1502 ± 0.0181
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 16743461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1610
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 16743461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-06-04 10:49:20

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 8847701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-10-13 10:02:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MEU.SHZ. 2014-10-13T09:49:10.19 0.3 undecidable manual P 253 29.5482 107 0 74
IV.HCRL.HHZ. 2014-10-13T09:49:10.66 0.6 undecidable manual S 315 14.7741 122 0.62 43
IV.HLNI.HHZ. 2014-10-13T09:49:10.05 0.6 undecidable manual P 306 30.3474 50 -0.26 47
IV.HAVL.HHZ. 2014-10-13T09:49:09.86 0.3 undecidable manual P 186 25.4523 110 0.45 68
IV.HAGA.HHZ. 2014-10-13T09:49:08.88 0.3 undecidable manual S 2 10.7781 131 -0.02 76
IV.HCRL.HHZ. 2014-10-13T09:49:07.53 0.1 undecidable manual P 315 14.7741 122 0.05 100
IV.SSY.HHZ. 2014-10-13T09:49:07.85 0.6 undecidable manual S 244 7.5813 141 -0.27 48
IV.SSY.HHZ. 2014-10-13T09:49:06.11 0.1 undecidable manual P 244 7.5813 141 -0.26 97
IV.HAGA.HHZ. 2014-10-13T09:49:06.71 0.1 undecidable manual P 2 10.7781 131 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:1.6 0.000489 1.4 AML other m 2014-10-13T09:49:13.60
IV.HAGA.HHE. ML:1.7 0.0007 0.58 AML other m 2014-10-13T09:49:13.94
IV.HAVL.HHE. ML:1.7 0.00031 1.58 AML other m 2014-10-13T09:49:22.95
IV.HAVL.HHN. ML:1.8 0.0003765 0.88 AML other m 2014-10-13T09:49:23.54
IV.HCRL.HHE. ML:1.7 0.0005245 0.56 AML other m 2014-10-13T09:49:15.08
IV.HCRL.HHN. ML:1.7 0.0004515 1.36 AML other m 2014-10-13T09:49:14.49
IV.HLNI.HHE. ML:1.3 0.0001001 0.72 AML other m 2014-10-13T09:49:21.20
IV.HLNI.HHN. ML:1.3 0.0000885 1.58 AML other m 2014-10-13T09:49:26.04
IV.MEU.SHE. ML:0.0 0.0003835 0.88 AML other m 2014-10-13T09:49:25.64
IV.MEU.SHN. ML:0.0 0.0005555 1.04 AML other m 2014-10-13T09:49:27.54
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