Earthquake with magnitude of ML 1.5 on date 09-09-2020 and time 19:18:10 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 1.5 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 09-09-2020 17:18:10 (UTC)
  • 09-09-2020 19:18:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3860, 13.5870 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Bagheria (55387 inhabitants)
36 Km NE of Palermo (674435 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 2020-09-09
17:18:10
38.3862 13.5872 10 2021-02-26
14:55:59
Bollettino Sismico Italiano INGV 83769841
Reviewed
Rev100
ML 1.8 2020-09-09
17:18:10
38.4763 13.73 10 2020-09-09
17:39:40
Sala Sismica INGV-Roma 82770821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-09 17:18:10 ± 0.22
Latitude 38.3862 ± 0.0153
Longitude 13.5872 ± 0.0161
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83769841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1860
Semi-minor axis of confidence ellipse (meter) 1110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.31391
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 82770821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-09 17:39:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 83769841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 00:51:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAP2.EHZ. 2020-09-09T17:19:35.77 3.0 positive manual Pg 11.64 0
IV.RIBO.EHZ.01 2020-09-09T17:19:29.48 3.0 positive manual Pn 2.56 0
IV.MMO1.EHZ. 2020-09-09T17:19:29.71 3.0 undecidable manual Pg 8.27 0
IV.FIAM.HHZ. 2020-09-09T17:19:06.77 3.0 negative manual Pn -6.12 0
IV.SGTA.HHZ. 2020-09-09T17:19:04.16 3.0 undecidable manual Pg 2.2 0
IV.VBKN.HHZ. 2020-09-09T17:19:01.01 3.0 undecidable manual Pg 6.56 0
IV.RAFF.HHZ. 2020-09-09T17:18:35.14 0.1 undecidable manual P 152 145.8429 50 0.56 78
IV.PETRA.HHZ. 2020-09-09T17:18:34.16 0.6 undecidable manual S 143 76.6677 50 0.45 46
IV.PLLN.EHN. 2020-09-09T17:18:31.59 0.3 undecidable manual S 132 65.2902 50 0.93 59
IV.CSLB.HHZ. 2020-09-09T17:18:30.35 0.6 undecidable manual S 140 64.491 50 -0.12 51
IV.GIB.HHZ. 2020-09-09T17:18:29.51 0.6 undecidable manual S 139 58.2972 50 0.72 44
IV.USI.HHZ. 2020-09-09T17:18:27.98 0.6 undecidable manual S 315 50.2164 50 1.32 33
IV.MSFR.HHZ. 2020-09-09T17:18:26.73 0.3 undecidable manual P 114 95.8263 50 -0.15 72
IV.PETRA.HHZ. 2020-09-09T17:18:23.82 0.1 undecidable manual P 143 76.6677 50 -0.1 100
IV.MPG.HHE. 2020-09-09T17:18:21.78 0.3 undecidable manual S 219 31.8459 50 0.05 82
IV.CSLB.HHZ. 2020-09-09T17:18:21.32 0.1 undecidable manual P 140 64.491 50 -0.73 86
IV.PLLN.EHN. 2020-09-09T17:18:21.98 0.3 undecidable manual P 132 65.2902 50 -0.18 75
IV.GIB.HHZ. 2020-09-09T17:18:20.50 0.1 undecidable manual P 139 58.2972 50 -0.58 92
IV.USI.HHZ. 2020-09-09T17:18:19.58 0.3 undecidable manual P 315 50.2164 50 -0.27 76
IV.SCIAR.HHZ. 2020-09-09T17:18:19.85 0.3 undecidable manual P 164 51.4152 50 -0.17 77
IV.MPG.HHE. 2020-09-09T17:18:16.90 0.3 undecidable manual P 219 31.8459 50 -0.11 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:1.3 0.000055729825 0.2688 AML other m 2020-09-09T17:18:28.42
IV.USI.HHN. ML:1.9 0.00019613445 1.4976 AML other m 2020-09-09T17:18:28.60
IV.SCIAR.HHN. ML:1.2 0.000041867215 0.3584 AML other m 2020-09-09T17:18:28.76
IV.SCIAR.HHE. ML:1.2 0.00004197144 0.64 AML other m 2020-09-09T17:18:29.13
IV.GIB.HHN. ML:2.0 0.00019180324999999997 0.4224 AML other m 2020-09-09T17:18:30.85
IV.CSLB.HHE. ML:1.2 0.000029798555 1.7568 AML other m 2020-09-09T17:18:30.88
IV.GIB.HHE. ML:1.6 0.00008193211000000001 0.4736 AML other m 2020-09-09T17:18:30.87
IV.CSLB.HHN. ML:1.4 0.000048822505 0.7296 AML other m 2020-09-09T17:18:31.55
IV.PETRA.HHE. ML:1.6 0.000061105725 0.6272 AML other m 2020-09-09T17:18:35.60
IV.PETRA.HHN. ML:1.6 0.000060082005 0.3968 AML other m 2020-09-09T17:18:35.83
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