Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 15-04-2016 and time 01:56:57 (Italy) in region Costa Catanese (Catania)

A magnitude ML 2.0 earthquake occured in region: Costa Catanese (Catania), on

  • 14-04-2016 23:56:57 (UTC)
  • 15-04-2016 01:56:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6810, 15.2230 at 0 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riposto CT 6 14838 14838
Giarre CT 7 27659 42497
Santa Venerina CT 7 8592 51089
Mascali CT 9 14282 65371
Acireale CT 9 52622 117993
Sant'Alfio CT 10 1582 119575
Milo CT 11 1087 120662
Zafferana Etnea CT 11 9517 130179
Aci Catena CT 11 29851 160030
Aci Sant'Antonio CT 12 17984 178014
Fiumefreddo di Sicilia CT 13 9623 187637
Aci Bonaccorsi CT 14 3524 191161
Viagrande CT 14 8563 199724
Valverde CT 14 7840 207564
Trecastagni CT 14 10910 218474
Piedimonte Etneo CT 15 3963 222437
Aci Castello CT 15 18723 241160
Calatabiano CT 16 5308 246468
Pedara CT 16 14102 260570
San Giovanni la Punta CT 16 23060 283630
San Gregorio di Catania CT 16 11966 295596
Tremestieri Etneo CT 18 20589 316185
Sant'Agata li Battiati CT 18 9479 325664
Giardini-Naxos ME 19 9415 335079
Nicolosi CT 19 7463 342542
Mascalucia CT 19 31958 374500
Linguaglossa CT 19 5403 379903
Gravina di Catania CT 19 25838 405741
Taormina ME 20 10960 416701

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Acireale (52622 inhabitants)
23 Km NE of Catania (314555 inhabitants)
60 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km SW of Messina (238439 inhabitants)
69 Km N of Siracusa (122291 inhabitants)
95 Km NE of Ragusa (73313 inhabitants)
100 Km NE of Modica (54633 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 2016-04-14
23:56:57		 37.6812 15.2227 1 2016-05-17
13:18:33		 Bollettino Sismico Italiano INGV 25123091
Reviewed
Rev200 		ML 2.1 2016-04-14
23:56:57		 37.714 15.143 1 2016-05-16
07:28:00		 Sala Operativa INGV-OE (Catania) 24311421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-04-14 23:56:57 ± 0.16
Latitude 37.6812 ± 0.0081
Longitude 15.2227 ± 0.0148
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 25123091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1290
Semi-minor axis of confidence ellipse (meter) 810
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.80220
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 25123091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-05-16 07:27:20

ML:2.1

Field Value
Value 2.1
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 24311421
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2016-04-15 00:17:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHN. 2016-04-14T23:57:14.08 0.6 undecidable manual P 59 84.8484 50 0.51 42
IV.HMDC.HHZ. 2016-04-14T23:57:14.64 0.6 undecidable manual P 206 89.0442 50 0.42 42
IV.HAVL.HHN. 2016-04-14T23:57:12.71 0.3 undecidable manual P 186 80.5638 50 -0.2 68
IV.MSRU.HHE. 2016-04-14T23:57:11.09 0.3 undecidable manual P 21 69.2751 50 -0.09 71
IV.GALF.HHZ. 2016-04-14T23:57:10.36 0.6 undecidable manual P 273 57.6978 90 1.07 35
IV.MEU.SHE. 2016-04-14T23:57:10.91 0.3 undecidable manual P 209 72.0723 50 -0.7 60
IV.SSY.HHE. 2016-04-14T23:57:09.75 0.3 undecidable manual P 193 59.496 90 0.09 72
IV.MPNC.HHN. 2016-04-14T23:57:08.50 0.6 undecidable manual P 12 52.8027 91 0.18 48
IV.MNO.SHZ. 2016-04-14T23:57:08.55 0.3 undecidable manual P 301 53.9016 91 0.02 74
IV.MUCR.HHE. 2016-04-14T23:57:07.68 0.3 undecidable manual P 323 50.4162 91 -0.15 72
IV.HLNI.HHE. 2016-04-14T23:57:07.02 0.3 undecidable manual P 220 48.1185 91 -0.34 70
IV.NOV.HHZ. 2016-04-14T23:57:05.24 0.3 undecidable manual P 349 39.1275 91 -0.34 71
IV.AIO.HHZ. 2016-04-14T23:57:04.31 0.1 undecidable manual P 2 32.1456 91 0.14 100
IV.ESML.HHE. 2016-04-14T23:57:04.07 0.3 undecidable manual P 257 30.9468 91 0.14 75
IV.EPZF.HHZ. 2016-04-14T23:57:04.67 0.3 undecidable manual P 296 35.742 91 -0.22 73
IV.ESLN.HHZ. 2016-04-14T23:57:01.38 0.3 undecidable manual P 274 21.867 91 -0.72 65
IV.EPOZ.HHZ. 2016-04-14T23:56:59.17 0.1 negative manual P 251 3.1968 99 0.8 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.7 0.0002515 1.46 AML other m 2016-04-14T23:57:13.88
IV.AIO.HHN. ML:1.8 0.00032700000000000003 1.08 AML other m 2016-04-14T23:57:16.18
IV.EPOZ.HHN. ML:3.6 0.0343 0.58 AML other m 2016-04-14T23:57:04.44
IV.MNO.SHN. ML:0.0 0.00047099999999999996 0.68 AML other m 2016-04-14T23:57:26.84
IV.MNO.SHE. ML:0.0 0.0003085 1.56 AML other m 2016-04-14T23:57:28.14
IV.NOV.HHE. ML:2.4 0.000994 0.82 AML other m 2016-04-14T23:57:16.46
IV.NOV.HHN. ML:2.2 0.000582 1.58 AML other m 2016-04-14T23:57:18.53
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