Earthquake with magnitude of ML 2.1 on date 13-04-2018 and time 20:12:30 (UTC) in region 1 km E Adrano (CT)

A magnitude ML 2.1 earthquake occured in region: 1 km E Adrano (CT), on

  • 13-04-2018 20:12:30 (UTC)
  • 13-04-2018 22:12:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6640, 14.8400 at 20 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Adrano CT 1 36122 36122
Biancavilla CT 4 24007 60129
Santa Maria di Licodia CT 7 7641 67770
Ragalna CT 10 3924 71694
Centuripe EN 10 5470 77164
PaternĂ² CT 11 48228 125392
Bronte CT 14 19172 144564
Belpasso CT 15 28108 172672
Catenanuova EN 17 4866 177538
Nicolosi CT 17 7463 185001
Regalbuto EN 18 7277 192278
Camporotondo Etneo CT 18 5023 197301
Maletto CT 19 3920 201221
San Pietro Clarenza CT 19 7743 208964

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Catania (314555 inhabitants)
29 Km W of Acireale (52622 inhabitants)
71 Km E of Caltanissetta (63360 inhabitants)
78 Km NW of Siracusa (122291 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
84 Km NE of Gela (75827 inhabitants)
86 Km SW of Messina (238439 inhabitants)
86 Km SW of Reggio di Calabria (183035 inhabitants)
90 Km N 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 2.1 2018-04-13
20:12:30
37.6642 14.8402 20 2019-04-24
14:49:47
Bollettino Sismico Italiano INGV 65737251
Reviewed
Rev200
ML 1.8 2018-04-13
20:12:30
37.666 14.824 18 2019-02-20
15:19:47
Sala Operativa INGV-OE (Catania) 55574311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-13 20:12:30 ± 0.16
Latitude 37.6642 ± 0.0072
Longitude 14.8402 ± 0.0136
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65737251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1167
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 1.45780
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:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 65737251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-20 15:18:45

ML:1.8

Field Value
Value 1.8
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 55574311
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-04-13 20:40:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2018-04-13T20:12:57.39 0.3 undecidable manual P 276 161.8158 54 1 40
IV.HMDC.HHZ. 2018-04-13T20:12:55.02 0.6 undecidable manual S 184 78.366 98 1.07 32
IV.SSY.HHZ. 2018-04-13T20:12:49.94 0.6 undecidable manual S 160 59.7957 100 0.88 36
IV.HPAC.HHZ. 2018-04-13T20:12:48.09 0.3 undecidable manual P 171 107.4147 95 -0.37 60
IV.AGST.EHZ. 2018-04-13T20:12:48.44 0.6 undecidable manual S 143 56.5989 101 0.22 45
IV.HAGA.HHZ. 2018-04-13T20:12:47.05 0.6 undecidable manual S 147 50.4162 103 0.46 43
IV.ALJA.HHZ. 2018-04-13T20:12:47.69 0.6 undecidable manual P 276 95.8263 96 1.01 32
IV.AIO.HHZ. 2018-04-13T20:12:46.78 0.6 undecidable manual S 45 48.4182 104 0.7 39
IV.HMDC.HHZ. 2018-04-13T20:12:43.68 0.3 undecidable manual P 184 78.366 98 -0.33 64
IV.HLNI.HHZ. 2018-04-13T20:12:43.18 0.6 undecidable manual S 175 35.1426 110 0.5 44
IV.AGST.EHZ. 2018-04-13T20:12:40.21 0.1 undecidable manual P 143 56.5989 101 -0.49 86
IV.SSY.HHZ. 2018-04-13T20:12:40.96 0.1 positive manual P 160 59.7957 100 -0.22 90
IV.AIO.HHZ. 2018-04-13T20:12:39.30 0.1 undecidable manual P 45 48.4182 104 -0.17 93
IV.EPZF.HHZ. 2018-04-13T20:12:39.31 0.6 undecidable manual S 5 17.7711 131 0.66 43
IV.HAGA.HHZ. 2018-04-13T20:12:39.32 0.1 undecidable manual P 147 50.4162 103 -0.44 88
IV.MUCR.HHZ. 2018-04-13T20:12:38.32 0.1 undecidable manual P 4 42.1245 106 -0.2 93
IV.ESLN.HHZ. 2018-04-13T20:12:38.72 0.6 undecidable manual S 75 12.1767 143 1.08 36
IV.HLNI.HHZ. 2018-04-13T20:12:37.10 0.1 positive manual P 175 35.1426 110 -0.4 91
IV.EPOZ.HHZ. 2018-04-13T20:12:37.08 0.3 undecidable manual P 88 30.6471 114 0.23 70
IV.ESML.HHZ. 2018-04-13T20:12:36.24 0.6 undecidable manual S 146 6.1938 160 -0.62 44
IV.EMSG.HHZ. 2018-04-13T20:12:35.29 0.1 undecidable manual P 29 19.869 127 -0.13 98
IV.GALF.HHZ. 2018-04-13T20:12:35.94 0.1 undecidable manual P 282 24.5532 120 -0.09 98
IV.EPZF.HHZ. 2018-04-13T20:12:35.08 0.1 positive manual P 5 17.7711 131 -0.09 99
IV.ESLN.HHZ. 2018-04-13T20:12:34.48 0.1 undecidable manual P 75 12.1767 143 -0.11 100
IV.ESML.HHZ. 2018-04-13T20:12:33.94 0.1 positive manual P 146 6.1938 160 -0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHE. ML:2.2 0.00121 0.72 AML other m 2018-04-13T20:12:38.54
IV.ESML.HHN. ML:2.0 0.0008035 0.58 AML other m 2018-04-13T20:12:38.78
IV.ESLN.HHN. ML:2.0 0.000739 0.5 AML other m 2018-04-13T20:12:39.29
IV.EPZF.HHE. ML:2.2 0.001 1.56 AML other m 2018-04-13T20:12:41.94
IV.EPZF.HHN. ML:2.3 0.001265 0.42 AML other m 2018-04-13T20:12:41.73
IV.ESLN.HHE. ML:2.1 0.000987 0.6 AML other m 2018-04-13T20:12:43.32
IV.EMSG.HHN. ML:2.2 0.0008414999999999999 1.58 AML other m 2018-04-13T20:12:43.90
IV.HLNI.HHN. ML:2.2 0.0005405 1.06 AML other m 2018-04-13T20:12:43.39
IV.HLNI.HHE. ML:2.0 0.0003615 0.6 AML other m 2018-04-13T20:12:43.96
IV.MUCR.HHE. ML:1.9 0.00022 0.58 AML other m 2018-04-13T20:12:45.55
IV.EPOZ.HHE. ML:2.2 0.0006485000000000001 0.42 AML other m 2018-04-13T20:12:45.06
IV.EPOZ.HHN. ML:2.2 0.000638 0.78 AML other m 2018-04-13T20:12:45.71
IV.GALF.HHE. ML:2.0 0.000441 1.46 AML other m 2018-04-13T20:12:45.73
IV.GALF.HHN. ML:1.9 0.00040449999999999997 0.52 AML other m 2018-04-13T20:12:45.48
IV.MUCR.HHN. ML:1.7 0.0001575 0.54 AML other m 2018-04-13T20:12:46.71
IV.EMSG.HHE. ML:2.1 0.0007609999999999998 0.44 AML other m 2018-04-13T20:12:47.91
IV.HAGA.HHE. ML:1.9 0.00020250000000000002 0.38 AML other m 2018-04-13T20:12:48.23
IV.AGST.EHN. ML:2.2 0.0003465 0.32 AML other m 2018-04-13T20:12:48.71
IV.AIO.HHN. ML:1.7 0.00012614999999999998 1.76 AML other m 2018-04-13T20:12:49.95
IV.AIO.HHE. ML:1.7 0.00013845 0.74 AML other m 2018-04-13T20:12:49.85
IV.AGST.EHE. ML:2.4 0.0005515 1.54 AML other m 2018-04-13T20:12:49.04
IV.SSY.HHE. ML:2.0 0.00022250000000000001 0.24 AML other m 2018-04-13T20:12:50.40
IV.HAGA.HHN. ML:2.0 0.0002635 0.54 AML other m 2018-04-13T20:12:50.25
IV.SSY.HHN. ML:2.4 0.0005845000000000001 1.78 AML other m 2018-04-13T20:12:52.90
IV.HMDC.HHN. ML:2.0 0.00013700000000000002 1.52 AML other m 2018-04-13T20:12:55.81
IV.HMDC.HHE. ML:2.0 0.00013089999999999998 1.28 AML other m 2018-04-13T20:12:57.35
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