Earthquake with magnitude of ML 1.7 on date 17-01-2020 and time 23:46:59 (UTC) in region 5 km NE Gagliano Castelferrato (EN)

A magnitude ML 1.7 earthquake occured in region: 5 km NE Gagliano Castelferrato (EN), on

  • 17-01-2020 23:46:59 (UTC)
  • 18-01-2020 00:46:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 14.5560 at 29 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
Gagliano Castelferrato EN 5 3593 3593
Troina EN 6 9373 12966
Cerami EN 8 2006 14972
Agira EN 11 8345 23317
Capizzi ME 13 3176 26493
Regalbuto EN 13 7277 33770
Nicosia EN 14 13899 47669
Nissoria EN 14 3000 50669
San Teodoro ME 17 1403 52072
CesarĂ² ME 17 2439 54511
Assoro EN 18 5191 59702
Sperlinga EN 18 805 60507
Leonforte EN 19 13439 73946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km NE of Caltanissetta (63360 inhabitants)
54 Km NW of Catania (314555 inhabitants)
56 Km W of Acireale (52622 inhabitants)
81 Km NE of Gela (75827 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
99 Km NE of Agrigento (59770 inhabitants)
99 Km E of Bagheria (55387 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 1.7 2020-01-17
23:46:59
37.7502 14.5558 29 2020-07-18
21:08:27
Bollettino Sismico Italiano INGV 77502311
Reviewed
Rev100
ML 1.5 2020-01-17
23:47:00
37.7528 14.6157 22 2020-01-17
23:57:19
Sala Sismica INGV-Roma 75621631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-17 23:46:59 ± 0.36
Latitude 37.7502 ± 0.0090
Longitude 14.5558 ± 0.0227
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77502311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1711
Semi-minor axis of confidence ellipse (meter) 1110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.90921
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 75621631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-17 23:57:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 77502311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-31 10:40:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-01-17T23:47:24.66 0.3 undecidable manual S 145 79.9644 105 0.7 58
IV.MSRU.HHZ. 2020-01-17T23:47:17.21 0.3 undecidable manual P 55 100.9212 102 0.45 61
IV.HLNI.HHZ. 2020-01-17T23:47:16.86 0.6 undecidable manual S 148 52.503 113 -0.15 47
IV.MUCR.HHZ. 2020-01-17T23:47:14.34 0.3 undecidable manual S 41 42.7239 119 -0.33 69
IV.SSY.HHZ. 2020-01-17T23:47:13.34 0.3 undecidable manual P 145 79.9644 105 -0.28 65
IV.EPZF.HHZ. 2020-01-17T23:47:11.73 0.3 undecidable manual S 73 27.6501 132 0.37 71
IV.CAGR.HHZ. 2020-01-17T23:47:09.06 0.6 undecidable manual S 199 15.0738 150 -0.16 51
IV.HLNI.HHZ. 2020-01-17T23:47:09.20 0.1 undecidable manual P 148 52.503 113 -0.41 89
IV.MUCR.HHZ. 2020-01-17T23:47:08.16 0.1 undecidable manual P 41 42.7239 119 -0.11 96
IV.GALF.HHZ. 2020-01-17T23:47:07.82 0.3 undecidable manual S 168 4.4955 170 -0.44 73
IV.MSFR.HHZ. 2020-01-17T23:47:07.09 0.1 undecidable manual P 6 31.6461 128 0.27 97
IV.EPZF.HHZ. 2020-01-17T23:47:06.29 0.1 undecidable manual P 73 27.6501 132 -0.07 100
IV.CAGR.HHZ. 2020-01-17T23:47:06.16 0.3 undecidable manual P 199 15.0738 150 1.03 56
IV.GALF.HHZ. 2020-01-17T23:47:04.19 0.1 undecidable manual P 168 4.4955 170 -0.38 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:1.8 0.00035191475 1.4624 AML other m 2020-01-17T23:47:10.18
IV.GALF.HNE. ML:1.2 0.00008403663 0.576 AML other m 2020-01-17T23:47:10.85
IV.GALF.HHN. ML:1.9 0.00038916205 0.2688 AML other m 2020-01-17T23:47:11.18
IV.EPZF.HHN. ML:1.9 0.00030995295 1.2832 AML other m 2020-01-17T23:47:11.28
IV.MUCR.HHE. ML:1.5 0.00007437449 1.68 AML other m 2020-01-17T23:47:14.01
IV.MUCR.HHN. ML:1.5 0.00008262559 0.3456 AML other m 2020-01-17T23:47:15.50
IV.EPZF.HHE. ML:1.9 0.0003114361 1.2704 AML other m 2020-01-17T23:47:18.26
IV.MSFR.HHN. ML:1.1 0.000045150109999999994 0.0608 AML other m 2020-01-17T23:47:22.32
IV.MSFR.HHE. ML:1.0 0.000030675925 1.0624 AML other m 2020-01-17T23:47:24.97
IV.SSY.HHN. ML:2.4 0.000346618 0.2816 AML other m 2020-01-17T23:47:26.85
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