Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 14-02-2017 and time 20:56:37 (Italy) in region 3 km NE Ragalna (CT)

A magnitude ML 2.0 earthquake occured in region: 3 km NE Ragalna (CT), on

  • 14-02-2017 19:56:37 (UTC)
  • 14-02-2017 20:56:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6500, 14.9660 at 11 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
Ragalna CT 3 3924 3924
Belpasso CT 7 28108 32032
Nicolosi CT 7 7463 39495
Santa Maria di Licodia CT 8 7641 47136
Biancavilla CT 8 24007 71143
Pedara CT 9 14102 85245
Paternò CT 10 48228 133473
Camporotondo Etneo CT 10 5023 138496
San Pietro Clarenza CT 10 7743 146239
Trecastagni CT 11 10910 157149
Mascalucia CT 12 31958 189107
Adrano CT 12 36122 225229
Viagrande CT 12 8563 233792
Tremestieri Etneo CT 13 20589 254381
Gravina di Catania CT 13 25838 280219
Zafferana Etnea CT 13 9517 289736
Aci Bonaccorsi CT 14 3524 293260
San Giovanni la Punta CT 14 23060 316320
Sant'Agata li Battiati CT 14 9479 325799
Misterbianco CT 15 49410 375209
Aci Sant'Antonio CT 15 17984 393193
Motta Sant'Anastasia CT 15 12116 405309
San Gregorio di Catania CT 16 11966 417275
Milo CT 16 1087 418362
Santa Venerina CT 16 8592 426954
Valverde CT 16 7840 434794
Aci Catena CT 17 29851 464645
Acireale CT 18 52622 517267
Aci Castello CT 19 18723 535990
Sant'Alfio CT 19 1582 537572
Bronte CT 19 19172 556744
Catania CT 20 314555 871299
Centuripe EN 20 5470 876769

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Acireale (52622 inhabitants)
20 Km NW of Catania (314555 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km SW of Messina (238439 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
87 Km NE of Vittoria (63339 inhabitants)
90 Km N of Modica (54633 inhabitants)
91 Km NE 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 2.0 2017-02-14
19:56:37		 37.6502 14.9655 11 2018-01-10
09:51:18		 Bollettino Sismico Italiano INGV 51015371
Reviewed
Rev100 		ML 1.9 2017-02-14
19:56:38		 37.642 14.9882 9 2017-02-14
20:04:16		 Sala Sismica INGV-Roma 41054591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-14 19:56:37 ± 0.11
Latitude 37.6502 ± 0.0054
Longitude 14.9655 ± 0.0114
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 51015371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 993
Semi-minor axis of confidence ellipse (meter) 409
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.94249
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 51015371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-16 09:04:09

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 41054591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-14 20:04:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2017-02-14T19:57:09.50 1.0 undecidable manual S 177 104.6175 50 1.02 16
IV.MEU.SHZ. 2017-02-14T19:56:57.20 0.3 undecidable manual S 191 60.9945 50 0.38 66
IV.MSFR.HHZ. 2017-02-14T19:56:55.40 0.6 undecidable manual S 323 53.7018 50 0.51 43
IV.HPAC.HHZ. 2017-02-14T19:56:55.23 1.0 undecidable manual P 177 104.6175 50 -0.37 20
IV.HAGA.HHZ. 2017-02-14T19:56:52.70 0.3 undecidable manual S 158 43.8228 50 0.47 67
IV.AIO.HHZ. 2017-02-14T19:56:52.20 0.6 undecidable manual S 33 42.624 50 0.28 47
IV.MNO.SHZ. 2017-02-14T19:56:51.60 0.6 undecidable manual S 323 39.1275 50 0.6 43
IV.RAFF.HHZ. 2017-02-14T19:56:50.11 0.3 undecidable manual P 228 71.1732 50 -0.33 66
IV.HLNI.HHZ. 2017-02-14T19:56:49.70 0.3 undecidable manual S 194 34.4433 50 -0.04 75
IV.MEU.SHZ. 2017-02-14T19:56:48.54 0.6 undecidable manual P 191 60.9945 50 -0.32 45
IV.MSFR.HHZ. 2017-02-14T19:56:47.88 0.1 undecidable manual P 323 53.7018 50 0.14 94
IV.CAGR.HHZ. 2017-02-14T19:56:46.75 1.0 undecidable manual P 266 41.0256 50 0.96 18
IV.HAGA.HHZ. 2017-02-14T19:56:46.17 0.3 undecidable manual P 158 43.8228 50 -0.05 73
IV.EPZF.HHZ. 2017-02-14T19:56:46.70 0.6 undecidable manual S 334 21.5673 50 0.41 47
IV.MNO.SHZ. 2017-02-14T19:56:45.08 0.6 undecidable manual P 323 39.1275 50 -0.42 46
IV.AIO.HHZ. 2017-02-14T19:56:45.61 0.1 negative manual P 33 42.624 50 -0.43 90
IV.GALF.HHZ. 2017-02-14T19:56:45.20 0.6 undecidable manual P 281 35.6421 50 0.24 48
IV.NOV.HHZ. 2017-02-14T19:56:45.72 0.3 undecidable manual P 20 44.5221 50 -0.61 64
IV.HLNI.HHZ. 2017-02-14T19:56:44.05 0.3 undecidable manual P 194 34.4433 50 -0.73 62
IV.EPZF.HHZ. 2017-02-14T19:56:42.37 0.1 undecidable manual P 334 21.5673 50 -0.41 94
IV.ESLN.HHZ. 2017-02-14T19:56:42.80 0.3 undecidable manual S 9 4.8951 155 0.74 66
IV.EMSG.HHZ. 2017-02-14T19:56:42.06 0.1 negative manual P 356 18.9699 119 -0.29 97
IV.EPOZ.HHZ. 2017-02-14T19:56:42.77 0.1 undecidable manual P 83 19.7691 118 0.29 97
IV.ESML.HHZ. 2017-02-14T19:56:40.49 0.1 negative manual P 245 8.3805 142 -0.21 100
IV.ESLN.HHZ. 2017-02-14T19:56:40.42 0.3 positive manual P 9 4.8951 155 0.08 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:2.4 0.00369 0.24 AML other m 2017-02-14T19:56:43.22
IV.ESLN.HHE. ML:2.4 0.004125 0.26 AML other m 2017-02-14T19:56:43.11
IV.ESML.HHE. ML:1.9 0.0011175 0.66 AML other m 2017-02-14T19:56:43.82
IV.ESML.HHN. ML:1.8 0.00079184535 0.192 AML other m 2017-02-14T19:56:46.34
IV.EPZF.HHE. ML:2.2 0.0010882406 0.256 AML other m 2017-02-14T19:56:47.49
IV.EPZF.HHN. ML:2.3 0.0014581845 0.32 AML other m 2017-02-14T19:56:48.17
IV.EPOZ.HHE. ML:2.3 0.001435 0.74 AML other m 2017-02-14T19:56:48.86
IV.EPOZ.HHN. ML:2.0 0.000764 0.72 AML other m 2017-02-14T19:56:49.83
IV.HLNI.HHN. ML:1.9 0.00030649999999999997 1.1 AML other m 2017-02-14T19:56:50.18
IV.HLNI.HHE. ML:2.0 0.00041089515 0.192 AML other m 2017-02-14T19:56:50.80
IV.EMSG.HHE. ML:2.3 0.0015850825 0.3968 AML other m 2017-02-14T19:56:51.72
IV.MNO.SHE. ML:0.0 0.0003543142 0.512 AML other m 2017-02-14T19:56:52.28
IV.MNO.SHN. ML:0.0 0.00036765589999999997 0.6784 AML other m 2017-02-14T19:56:52.52
IV.AIO.HHE. ML:1.7 0.000152 0.98 AML other m 2017-02-14T19:56:52.48
IV.HAGA.HHN. ML:1.9 0.0002299852 0.2048 AML other m 2017-02-14T19:56:53.06
IV.HAGA.HHE. ML:2.1 0.0003789089 0.256 AML other m 2017-02-14T19:56:52.00
IV.NOV.HHN. ML:1.7 0.000155 1.48 AML other m 2017-02-14T19:56:54.96
IV.GALF.HHE. ML:1.8 0.000272 0.46 AML other m 2017-02-14T19:56:54.68
IV.AIO.HHN. ML:1.7 0.0001535 0.68 AML other m 2017-02-14T19:56:54.41
IV.NOV.HHE. ML:1.9 0.00023349999999999998 0.66 AML other m 2017-02-14T19:56:55.46
IV.MEU.SHE. ML:0.0 0.0004533993 0.2432 AML other m 2017-02-14T19:56:57.37
IV.GALF.HHN. ML:1.8 0.00023099999999999998 0.68 AML other m 2017-02-14T19:56:57.76
IV.MEU.SHN. ML:0.0 0.00038950000000000003 0.28 AML other m 2017-02-14T19:56:59.19
IV.RAFF.HHN. ML:1.8 0.00009626382 0.2304 AML other m 2017-02-14T19:57:02.32
IV.RAFF.HHE. ML:1.9 0.0001221105 0.2176 AML other m 2017-02-14T19:57:03.65
IV.HPAC.HHE. ML:2.3 0.00018552292 0.2944 AML other m 2017-02-14T19:57:09.80
IV.HPAC.HHN. ML:2.6 0.0003277766 0.9344 AML other m 2017-02-14T19:57:11.78
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