Earthquake with magnitude of ML 1.5 on date 07-12-2019 and time 14:54:57 (Italy) in region 1 km SW Petralia Soprana (PA)

A magnitude ML 1.5 earthquake occured in region: 1 km SW Petralia Soprana (PA), on

  • 07-12-2019 13:54:57 (UTC)
  • 07-12-2019 14:54:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.79, 14.11 at 11 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
Petralia Soprana PA 1 3360 3360
Petralia Sottana PA 2 2821 6181
Bompietro PA 5 1401 7582
Blufi PA 5 1029 8611
Castellana Sicula PA 6 3411 12022
Geraci Siculo PA 9 1945 13967
Gangi PA 9 6811 20778
Polizzi Generosa PA 10 3407 24185
Alimena PA 11 2032 26217
Resuttano CL 14 2038 28255
San Mauro Castelverde PA 16 1701 29956
Castelbuono PA 16 8943 38899
Scillato PA 19 613 39512
Isnello PA 19 1589 41101
Caltavuturo PA 19 4017 45118

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Caltanissetta (63360 inhabitants)
61 Km SE of Bagheria (55387 inhabitants)
71 Km NE of Agrigento (59770 inhabitants)
75 Km SE of Palermo (674435 inhabitants)
82 Km N of Gela (75827 inhabitants)
92 Km W of Catania (314555 inhabitants)
95 Km W of Acireale (52622 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 1.5 2019-12-07
13:54:57
37.79 14.11 11 2020-02-28
16:42:13
Bollettino Sismico Italiano INGV 74595241
Reviewed
Rev100
ML 1.5 2019-12-07
13:54:57
37.79 14.16 11 2019-12-07
14:04:26
Sala Sismica INGV-Roma 74404911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-07 13:54:57 ± 0.13
Latitude 37.79 ± 0.01
Longitude 14.11 ± 0.03
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74595241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2640
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 2640
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.65471
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 74595241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-13 13:35:30

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 74404911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-07 14:04:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2019-12-07T13:55:33.04 3.0 undecidable manual S 0.11 0
IV.CROCE.HHZ. 2019-12-07T13:55:29.87 3.0 undecidable manual S -0.16 0
IV.MUCR.HHZ. 2019-12-07T13:55:19.68 0.3 undecidable manual S 67 0.6547 90 0.43 64
IV.SSY.HHZ. 2019-12-07T13:55:18.13 3.0 positive manual P 3.35 0
IV.MSFR.HHE. 2019-12-07T13:55:13.86 0.3 undecidable manual S 58 0.4524 90 0.61 64
IV.GALF.HHE. 2019-12-07T13:55:11.45 0.3 undecidable manual S 103 0.3732 90 0.56 66
IV.MUCR.HHZ. 2019-12-07T13:55:10.02 0.1 undecidable manual P 67 0.6547 90 0.01 89
IV.PLLN.EHZ. 2019-12-07T13:55:06.34 0.3 undecidable manual S 8 0.2023 90 0.5 67
IV.MSFR.HHE. 2019-12-07T13:55:06.20 0.1 undecidable manual P 58 0.4524 90 -0.35 86
IV.GIB.HHZ. 2019-12-07T13:55:06.22 0.3 undecidable manual S 342 0.2077 90 0.23 71
IV.GALF.HHE. 2019-12-07T13:55:05.12 0.1 undecidable manual P 103 0.3732 90 -0.06 93
IV.CAGR.HHE. 2019-12-07T13:55:05.53 0.1 undecidable manual P 119 0.3552 90 0.65 85
IV.CSLB.HHZ. 2019-12-07T13:55:04.40 0.3 undecidable manual S 345 0.1502 90 0.11 73
IV.RESU.HHZ. 2019-12-07T13:55:04.40 0.1 undecidable manual S 195 0.1511 90 0.08 100
IV.GIB.HHZ. 2019-12-07T13:55:02.07 0.3 undecidable manual P 342 0.2077 90 -0.29 70
IV.RESU.HHZ. 2019-12-07T13:55:01.06 0.3 undecidable manual P 195 0.1511 90 -0.33 69
IV.PETRA.HHZ. 2019-12-07T13:55:01.59 0.3 undecidable manual S 9 0.0414 150 0.03 77
IV.PLLN.EHZ. 2019-12-07T13:55:01.92 0.3 undecidable manual P 8 0.2023 90 -0.34 69
IV.CSLB.HHZ. 2019-12-07T13:55:00.97 0.1 undecidable manual P 345 0.1502 90 -0.4 92
IV.PETRA.HHZ. 2019-12-07T13:54:59.19 0.1 undecidable manual P 9 0.0414 150 -0.61 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.7 0.000853 0.98 AML other m 2019-12-07T13:55:02.72
IV.CSLB.HHE. ML:1.2 0.0001235 1.56 AML other m 2019-12-07T13:55:04.07
IV.RESU.HHN. ML:1.5 0.000271 1.48 AML other m 2019-12-07T13:55:06.83
IV.CSLB.HHN. ML:1.2 0.000127 0.64 AML other m 2019-12-07T13:55:06.12
IV.PLLN.EHE. ML:1.4 0.000174 0.74 AML other m 2019-12-07T13:55:07.29
IV.PLLN.EHN. ML:1.6 0.0002335 0.26 AML other m 2019-12-07T13:55:08.47
IV.GIB.HHN. ML:1.5 0.000215 0.54 AML other m 2019-12-07T13:55:09.64
IV.GIB.HHE. ML:0 0.0002425 0.42 AML other m 2019-12-07T13:55:10.57
IV.RESU.HHE. ML:1.3 0.00018624035 1.0944 AML other m 2019-12-07T13:55:13.69
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download