Earthquake (quarry blast) with magnitude of ML 1.4 on date 24-03-2017 and time 11:31:04 (Italy) in region Costa Catanese (Catania)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: Costa Catanese (Catania), on

  • 24-03-2017 10:31:04 (UTC)
  • 24-03-2017 11:31:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4420, 15.1270 at 7 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
Catania CT 8 314555 314555
Aci Castello CT 13 18723 333278
Sant'Agata li Battiati CT 14 9479 342757
Misterbianco CT 14 49410 392167
San Gregorio di Catania CT 14 11966 404133
Gravina di Catania CT 14 25838 429971
Valverde CT 15 7840 437811
San Giovanni la Punta CT 15 23060 460871
Tremestieri Etneo CT 16 20589 481460
Motta Sant'Anastasia CT 16 12116 493576
Mascalucia CT 16 31958 525534
San Pietro Clarenza CT 17 7743 533277
Aci Bonaccorsi CT 18 3524 536801
Camporotondo Etneo CT 18 5023 541824
Aci Catena CT 18 29851 571675
Aci Sant'Antonio CT 18 17984 589659
Viagrande CT 19 8563 598222
Acireale CT 19 52622 650844
Trecastagni CT 20 10910 661754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SE of Catania (314555 inhabitants)
19 Km S of Acireale (52622 inhabitants)
45 Km NW of Siracusa (122291 inhabitants)
67 Km NE of Ragusa (73313 inhabitants)
72 Km NE of Modica (54633 inhabitants)
76 Km NE of Vittoria (63339 inhabitants)
87 Km SW of Reggio di Calabria (183035 inhabitants)
88 Km NE of Gela (75827 inhabitants)
92 Km SW of Messina (238439 inhabitants)
94 Km E of Caltanissetta (63360 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 1.4 2017-03-24
10:31:04
37.4423 15.1272 7 2018-01-10
09:55:03
Bollettino Sismico Italiano INGV 49776141
Reviewed
Rev100
ML 1.4 2017-03-24
10:31:03
37.4588 15.1323 1 2017-03-24
10:47:05
Sala Sismica INGV-Roma 42864651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-24 10:31:04 ± 0.18
Latitude 37.4423 ± 0.0090
Longitude 15.1272 ± 0.0159
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 49776141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1195
Semi-minor axis of confidence ellipse (meter) 1127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.15918
Epicentral distance of station farthest from the epicenter (degree) 0.73654
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:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 49776141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-06 10:55:18

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 42864651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-24 10:47:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2017-03-24T10:31:19.00 0.1 undecidable manual P 186 81.7515 50 0.29 84
IV.MSFR.HHN. 2017-03-24T10:31:19.02 0.3 undecidable manual P 325 80.6637 50 0.48 61
IV.MUCR.HHZ. 2017-03-24T10:31:16.93 0.3 undecidable manual P 342 70.2741 50 0 69
IV.HMDC.HHE. 2017-03-24T10:31:15.26 0.3 undecidable manual P 210 61.6938 50 -0.34 65
IV.GALF.HHZ. 2017-03-24T10:31:15.59 0.6 undecidable manual P 301 57.5979 50 0.61 40
IV.AIO.HHZ. 2017-03-24T10:31:14.72 0.3 undecidable manual P 9 59.3961 50 -0.54 62
IV.EPZF.HHZ. 2017-03-24T10:31:14.15 0.3 undecidable manual P 331 48.5181 50 0.57 63
IV.AGST.EHZ. 2017-03-24T10:31:13.47 0.6 undecidable manual S 157 22.4553 108 1.13 34
IV.HLNI.HHZ. 2017-03-24T10:31:13.71 0.6 undecidable manual S 245 24.753 106 0.59 43
IV.MEU.SHZ. 2017-03-24T10:31:12.34 0.3 undecidable manual P 216 45.1215 50 -0.72 59
IV.HAGA.HHZ. 2017-03-24T10:31:10.70 0.6 undecidable manual S 172 17.6712 112 -0.07 50
IV.ESLN.HHZ. 2017-03-24T10:31:10.54 1.0 undecidable manual P 334 30.9468 103 0.01 25
IV.ESML.HHZ. 2017-03-24T10:31:09.93 0.3 undecidable manual P 312 29.2485 104 -0.28 70
IV.AGST.EHZ. 2017-03-24T10:31:08.62 0.1 undecidable manual P 157 22.4553 108 -0.27 95
IV.HLNI.HHZ. 2017-03-24T10:31:08.97 0.1 positive manual P 245 24.753 106 -0.37 92
IV.HAGA.HHZ. 2017-03-24T10:31:08.02 0.1 undecidable manual P 172 17.6712 112 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:1.5 0.0002385 0.12 AML other m 2017-03-24T10:31:13.53
IV.AGST.EHN. ML:1.6 0.000243 1.56 AML other m 2017-03-24T10:31:17.89
IV.HAGA.HHN. ML:1.5 0.0002685 1.1 AML other m 2017-03-24T10:31:16.06
IV.HAGA.HHE. ML:1.4 0.000243 0.58 AML other m 2017-03-24T10:31:15.47
IV.HLNI.HHE. ML:1.2 0.0000956 1.58 AML other m 2017-03-24T10:31:15.79
IV.HLNI.HHN. ML:1.2 0.00010899999999999999 1.38 AML other m 2017-03-24T10:31:10.13
IV.MEU.SHN. ML:0.0 0.00011949999999999999 0.2 AML other m 2017-03-24T10:31:22.88
IV.MEU.SHE. ML:0.0 0.0001027 1.52 AML other m 2017-03-24T10:31:25.18
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