Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 27-03-2019 and time 05:32:10 (Italy) in region 3 km SE Ragalna (CT)

A magnitude ML 1.9 earthquake occured in region: 3 km SE Ragalna (CT), on

  • 27-03-2019 04:32:10 (UTC)
  • 27-03-2019 05:32:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6180, 14.9640 at 7 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 3 28108 32032
Nicolosi CT 6 7463 39495
Santa Maria di Licodia CT 7 7641 47136
Camporotondo Etneo CT 7 5023 52159
Paternò CT 7 48228 100387
San Pietro Clarenza CT 7 7743 108130
Pedara CT 9 14102 122232
Biancavilla CT 9 24007 146239
Mascalucia CT 9 31958 178197
Trecastagni CT 10 10910 189107
Tremestieri Etneo CT 11 20589 209696
Gravina di Catania CT 11 25838 235534
Misterbianco CT 11 49410 284944
Motta Sant'Anastasia CT 12 12116 297060
Viagrande CT 12 8563 305623
Sant'Agata li Battiati CT 12 9479 315102
San Giovanni la Punta CT 12 23060 338162
Adrano CT 13 36122 374284
Aci Bonaccorsi CT 13 3524 377808
San Gregorio di Catania CT 14 11966 389774
Aci Sant'Antonio CT 14 17984 407758
Valverde CT 15 7840 415598
Zafferana Etnea CT 15 9517 425115
Aci Catena CT 16 29851 454966
Catania CT 17 314555 769521
Santa Venerina CT 17 8592 778113
Aci Castello CT 17 18723 796836
Acireale CT 18 52622 849458
Milo CT 18 1087 850545
Centuripe EN 20 5470 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Catania (314555 inhabitants)
18 Km W of Acireale (52622 inhabitants)
68 Km NW of Siracusa (122291 inhabitants)
80 Km N of Ragusa (73313 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
83 Km SW of Messina (238439 inhabitants)
83 Km NE of Vittoria (63339 inhabitants)
86 Km N of Modica (54633 inhabitants)
88 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 1.9 2019-03-27
04:32:10		 37.6178 14.9638 7 2019-08-22
08:25:14		 Bollettino Sismico Italiano INGV 71264911
Reviewed
Rev100 		ML 1.9 2019-03-27
04:32:10		 37.6352 14.9562 8 2019-03-27
04:39:26		 Sala Sismica INGV-Roma 66958771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-27 04:32:10 ± 0.1
Latitude 37.6178 ± 0.0063
Longitude 14.9638 ± 0.0091
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71264911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 815
Semi-minor axis of confidence ellipse (meter) 611
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.61963
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 71264911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 06:57:24

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 66958771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-27 04:39:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2019-03-27T04:32:26.63 0.6 undecidable manual S 150 46.3203 50 0.24 45
IV.HAGA.HHZ. 2019-03-27T04:32:25.24 0.6 undecidable manual S 155 40.5261 50 0.38 44
IV.RAFF.HHZ. 2019-03-27T04:32:23.71 0.3 undecidable manual P 231 68.7756 50 0.49 61
IV.MSFR.HHZ. 2019-03-27T04:32:22.47 0.3 undecidable manual P 325 56.499 50 1.14 47
IV.HLNI.HHZ. 2019-03-27T04:32:22.47 0.6 undecidable manual S 195 30.9468 103 0.75 39
IV.GALF.HHZ. 2019-03-27T04:32:22.91 0.6 undecidable manual S 287 36.3414 101 -0.65 40
IV.SSY.HHZ. 2019-03-27T04:32:20.48 0.3 undecidable manual P 169 51.9036 50 -0.15 67
IV.AGST.EHZ. 2019-03-27T04:32:19.12 0.1 undecidable manual P 150 46.3203 50 -0.64 80
IV.AIO.HHE. 2019-03-27T04:32:19.29 0.1 undecidable manual P 31 45.7209 50 -0.38 87
IV.MNO.SHZ. 2019-03-27T04:32:19.51 0.1 undecidable manual P 326 42.0246 50 0.42 87
IV.GALF.HHZ. 2019-03-27T04:32:18.28 0.3 undecidable manual P 287 36.3414 101 0.15 69
IV.HAGA.HHZ. 2019-03-27T04:32:18.30 0.3 undecidable manual P 155 40.5261 50 -0.57 62
IV.ECTS.EHZ. 2019-03-27T04:32:16.85 0.1 undecidable manual P 25 32.3454 102 -0.49 87
IV.HLNI.HHZ. 2019-03-27T04:32:16.63 0.3 undecidable manual P 195 30.9468 103 -0.43 66
IV.EMCN.HNE. 2019-03-27T04:32:15.10 0.3 undecidable manual P 18 20.1687 109 0.11 72
IV.EMSG.HHZ. 2019-03-27T04:32:15.69 0.3 undecidable manual P 357 22.5552 108 0.25 70
IV.EPOZ.HHZ. 2019-03-27T04:32:15.71 0.3 undecidable manual P 73 20.6682 109 0.64 63
IV.EPZF.HHZ. 2019-03-27T04:32:15.79 0.1 undecidable manual P 338 24.753 106 -0.06 96
IV.ESML.HHZ. 2019-03-27T04:32:14.48 0.6 undecidable manual S 270 7.3815 134 0.21 48
IV.ENIC.HHZ. 2019-03-27T04:32:14.50 0.6 undecidable manual S 73 5.2947 143 0.72 42
IV.ESLN.HHZ. 2019-03-27T04:32:14.55 0.6 undecidable manual S 6 8.4804 130 0.02 50
IV.ESLN.HHZ. 2019-03-27T04:32:12.55 0.1 undecidable manual P 6 8.4804 130 -0.36 93
IV.ESML.HHZ. 2019-03-27T04:32:12.45 0.1 positive manual P 270 7.3815 134 -0.31 94
IV.ENIC.HHZ. 2019-03-27T04:32:12.51 0.1 undecidable manual P 73 5.2947 143 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHE. ML:2.0 0.001895 0.56 AML other m 2019-03-27T04:32:14.64
IV.ESML.HHN. ML:2.0 0.0017649999999999999 0.52 AML other m 2019-03-27T04:32:14.65
IV.ESLN.HHE. ML:2.3 0.00352 0.8 AML other m 2019-03-27T04:32:15.00
IV.ESLN.HHN. ML:2.2 0.00282 1.72 AML other m 2019-03-27T04:32:17.02
IV.EPZF.HHN. ML:1.7 0.000347 0.34 AML other m 2019-03-27T04:32:23.39
IV.HLNI.HHN. ML:1.2 0.0000707 0.58 AML other m 2019-03-27T04:32:23.87
IV.EMSG.HHN. ML:1.8 0.00047149999999999997 0.3 AML other m 2019-03-27T04:32:23.75
IV.EPZF.HHE. ML:1.7 0.0003095 0.66 AML other m 2019-03-27T04:32:23.58
IV.HLNI.HHE. ML:1.1 0.0000646 0.24 AML other m 2019-03-27T04:32:24.31
IV.AGST.EHN. ML:1.9 0.000246 0.78 AML other m 2019-03-27T04:32:27.01
IV.AGST.EHE. ML:1.9 0.00021850000000000003 0.42 AML other m 2019-03-27T04:32:27.57
IV.EMSG.HHE. ML:1.9 0.000505 0.78 AML other m 2019-03-27T04:32:27.48
IV.GALF.HHE. ML:2.0 0.00041749999999999996 0.56 AML other m 2019-03-27T04:32:28.86
IV.GALF.HHN. ML:2.0 0.0003765 0.5 AML other m 2019-03-27T04:32:30.90
IV.SSY.HHN. ML:2.3 0.0004615 0.36 AML other m 2019-03-27T04:32:31.25
IV.SSY.HHE. ML:2.0 0.00023449999999999998 0.32 AML other m 2019-03-27T04:32:31.79
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