Earthquake with magnitude of ML 1.3 on date 28-01-2018 and time 23:10:01 (Italy) in region 3 km S Petralia Soprana (PA)

A magnitude ML 1.3 earthquake occured in region: 3 km S Petralia Soprana (PA), on

  • 28-01-2018 22:10:01 (UTC)
  • 28-01-2018 23:10:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7740, 14.1180 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Petralia Soprana PA 3 3360 3360
Bompietro PA 3 1401 4761
Blufi PA 4 1029 5790
Petralia Sottana PA 4 2821 8611
Castellana Sicula PA 7 3411 12022
Gangi PA 8 6811 18833
Alimena PA 9 2032 20865
Geraci Siculo PA 10 1945 22810
Polizzi Generosa PA 11 3407 26217
Resuttano CL 13 2038 28255
San Mauro Castelverde PA 17 1701 29956
Castelbuono PA 18 8943 38899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Caltanissetta (63360 inhabitants)
63 Km SE of Bagheria (55387 inhabitants)
70 Km NE of Agrigento (59770 inhabitants)
76 Km SE of Palermo (674435 inhabitants)
80 Km N of Gela (75827 inhabitants)
91 Km W of Catania (314555 inhabitants)
94 Km W of Acireale (52622 inhabitants)
99 Km NW 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
Reviewed
Rev100
ML 1.3 2018-01-28
22:10:01
37.774 14.1178 10 2018-01-28
22:16:29
Sala Sismica INGV-Roma 53517921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-28 22:10:01 ± 0.24
Latitude 37.7740 ± 0.0099
Longitude 14.1178 ± 0.0284
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 53517921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2468
Semi-minor axis of confidence ellipse (meter) 1069
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 2470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.65381
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 53517921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-28 22:16:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2018-01-28T22:10:24.98 0.3 undecidable manual S 65 72.5718 50 1.76 33
IV.GALF.HHZ. 2018-01-28T22:10:14.60 0.6 undecidable manual S 100 40.0266 50 0.09 49
IV.MUCR.HHZ. 2018-01-28T22:10:13.51 0.1 undecidable manual P 65 72.5718 50 -0.35 87
IV.GIB.HHZ. 2018-01-28T22:10:11.06 0.6 undecidable manual S 341 25.2525 111 0.58 44
IV.PLLN.EHZ. 2018-01-28T22:10:10.24 0.6 undecidable manual S 5 24.3534 112 0.06 50
IV.RESU.HHZ. 2018-01-28T22:10:08.37 0.6 undecidable manual S 201 15.0738 123 1.06 37
IV.GALF.HHZ. 2018-01-28T22:10:08.18 0.6 negative manual P 100 40.0266 50 -0.65 42
IV.CSLB.HHZ. 2018-01-28T22:10:08.83 0.6 undecidable manual S 344 18.87 117 0.38 47
IV.ALJA.HHZ. 2018-01-28T22:10:07.83 1.0 negative manual P 265 32.0457 50 0.22 24
IV.PETRA.HHZ. 2018-01-28T22:10:05.65 0.6 undecidable manual S 358 6.5934 146 0.49 47
IV.GIB.HHZ. 2018-01-28T22:10:05.83 1.0 negative manual P 341 25.2525 111 -0.68 21
IV.PLLN.EHZ. 2018-01-28T22:10:05.51 0.6 undecidable manual P 5 24.3534 112 -0.82 40
IV.CSLB.HHZ. 2018-01-28T22:10:04.63 1.0 positive manual P 344 18.87 117 -0.7 21
IV.RESU.HHZ. 2018-01-28T22:10:04.51 0.1 positive manual P 201 15.0738 123 -0.17 100
IV.PETRA.HHZ. 2018-01-28T22:10:03.02 0.1 positive manual P 358 6.5934 146 -0.41 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:1.8 0.000914 1.48 AML other m 2018-01-28T22:10:05.77
IV.PETRA.HHN. ML:1.8 0.000905 1.66 AML other m 2018-01-28T22:10:07.09
IV.CSLB.HHE. ML:1.0 0.00006950000000000001 0.9 AML other m 2018-01-28T22:10:09.50
IV.CSLB.HHN. ML:1.0 0.00007845 1.44 AML other m 2018-01-28T22:10:09.12
IV.RESU.HHN. ML:1.5 0.000293 0.38 AML other m 2018-01-28T22:10:10.32
IV.GIB.HHE. ML:1.4 0.0001595 0.42 AML other m 2018-01-28T22:10:11.88
IV.GIB.HHN. ML:1.4 0.00014700000000000002 0.38 AML other m 2018-01-28T22:10:11.74
IV.PLLN.EHN. ML:1.3 0.000128 0.52 AML other m 2018-01-28T22:10:11.51
IV.PLLN.EHE. ML:1.2 0.00009795000000000001 0.42 AML other m 2018-01-28T22:10:14.03
IV.RESU.HHE. ML:1.6 0.000388 0.46 AML other m 2018-01-28T22:10:14.19
IV.ALJA.HHN. ML:1.0 0.00004015 0.22 AML other m 2018-01-28T22:10:19.61
IV.GALF.HHE. ML:1.2 0.000052900000000000005 0.68 AML other m 2018-01-28T22:10:20.08
IV.GALF.HHN. ML:1.3 0.0000658 0.64 AML other m 2018-01-28T22:10:20.91
IV.ALJA.HHE. ML:1.0 0.000038150000000000006 0.42 AML other m 2018-01-28T22:10:23.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download