Earthquake with magnitude of ML 2.0 on date 22-12-2017 and time 17:15:51 (Italy) in region 3 km SW Maletto (CT)

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

  • 22-12-2017 16:15:51 (UTC)
  • 22-12-2017 17:15:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8110, 14.8510 at 10 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
Maletto CT 3 3920 3920
Bronte CT 3 19172 23092
Maniace CT 7 3765 26857
Randazzo CT 11 10900 37757
CesarĂ² ME 13 2439 40196
San Teodoro ME 14 1403 41599
Santa Domenica Vittoria ME 15 980 42579
Adrano CT 17 36122 78701
Biancavilla CT 19 24007 102708
Roccella Valdemone ME 20 666 103374

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Acireale (52622 inhabitants)
40 Km NW of Catania (314555 inhabitants)
75 Km SW of Messina (238439 inhabitants)
77 Km W of Reggio di Calabria (183035 inhabitants)
78 Km E of Caltanissetta (63360 inhabitants)
92 Km NW of Siracusa (122291 inhabitants)
98 Km NE of Gela (75827 inhabitants)
99 Km N of Ragusa (73313 inhabitants)
100 Km N of Vittoria (63339 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 2017-12-22
16:15:51
37.8112 14.8507 11 2018-09-04
09:10:40
Bollettino Sismico Italiano INGV 53116721
Reviewed
Rev100
ML 2.0 2017-12-22
16:15:51
37.8178 14.854 11 2017-12-22
16:24:35
Sala Sismica INGV-Roma 52742491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-22 16:15:51 ± 0.14
Latitude 37.8112 ± 0.0108
Longitude 14.8507 ± 0.0148
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 53116721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1332
Semi-minor axis of confidence ellipse (meter) 1082
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.82018
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 53116721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-28 10:25:38

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 52742491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-22 16:24:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IACL.HHZ. 2017-12-22T16:16:07.23 0.3 undecidable manual P 332 91.0422 50 0.56 60
IV.AIO.HHZ. 2017-12-22T16:16:05.08 0.6 undecidable manual S 62 37.9287 50 1.22 33
IV.IVPL.HHZ. 2017-12-22T16:16:03.39 0.3 undecidable manual P 10 63.6918 50 0.92 55
IV.GALF.HHZ. 2017-12-22T16:16:01.42 0.6 undecidable manual S 246 27.2505 50 0.39 47
IV.MUCR.HHZ. 2017-12-22T16:16:00.82 0.6 undecidable manual S 5 25.8519 50 0.19 50
IV.HLNI.HHE. 2017-12-22T16:15:59.73 0.3 undecidable manual P 178 51.3153 50 -0.83 58
IV.ESLN.HHZ. 2017-12-22T16:15:58.96 0.6 undecidable manual S 140 16.9719 122 0.89 40
IV.AIO.HHZ. 2017-12-22T16:15:58.12 0.1 undecidable manual P 62 37.9287 50 -0.37 93
IV.NOV.HHZ. 2017-12-22T16:15:57.68 0.1 undecidable manual P 46 34.743 50 -0.32 95
IV.MSFR.HHZ. 2017-12-22T16:15:57.52 0.3 undecidable manual P 318 33.5442 50 -0.3 72
IV.GALF.HHZ. 2017-12-22T16:15:56.68 0.1 undecidable manual P 246 27.2505 50 -0.18 99
IV.ESML.HHZ. 2017-12-22T16:15:56.59 0.1 undecidable manual P 173 21.5673 116 0.64 89
IV.MUCR.HHZ. 2017-12-22T16:15:56.48 0.1 undecidable manual P 5 25.8519 50 -0.15 100
IV.EPZF.HHZ. 2017-12-22T16:15:55.24 0.3 undecidable manual S 21 1.4985 172 0.42 74
IV.EMSG.HHZ. 2017-12-22T16:15:55.81 0.6 undecidable manual S 83 8.7801 140 -0.08 52
IV.ESLN.HHZ. 2017-12-22T16:15:54.93 0.1 undecidable manual P 140 16.9719 122 -0.22 100
IV.EMSG.HHZ. 2017-12-22T16:15:53.49 0.1 negative manual P 83 8.7801 140 -0.4 98
IV.EPZF.HHZ. 2017-12-22T16:15:52.85 0.1 undecidable manual P 21 1.4985 172 -0.42 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.4 0.0031849999999999995 0.76 AML other m 2017-12-22T16:15:56.14
IV.EMSG.HHE. ML:2.2 0.00213 0.2 AML other m 2017-12-22T16:15:59.70
IV.MUCR.HHE. ML:2.0 0.00053 1.58 AML other m 2017-12-22T16:16:01.14
IV.ESML.HHN. ML:2.0 0.00066 0.78 AML other m 2017-12-22T16:16:02.42
IV.GALF.HHE. ML:2.0 0.0005669999999999999 0.36 AML other m 2017-12-22T16:16:03.70
IV.MUCR.HHN. ML:1.9 0.0004775 0.64 AML other m 2017-12-22T16:16:04.69
IV.GALF.HHN. ML:2.0 0.0005349999999999999 0.92 AML other m 2017-12-22T16:16:05.12
IV.ESML.HHE. ML:2.0 0.0007199999999999999 0.58 AML other m 2017-12-22T16:16:05.58
IV.AIO.HHN. ML:1.8 0.00022000000000000003 1.54 AML other m 2017-12-22T16:16:06.79
IV.NOV.HHN. ML:1.8 0.00027249999999999996 1.58 AML other m 2017-12-22T16:16:06.95
IV.NOV.HHE. ML:1.7 0.000225 0.52 AML other m 2017-12-22T16:16:07.33
IV.AIO.HHE. ML:1.7 0.0001825 0.7 AML other m 2017-12-22T16:16:08.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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