Earthquake with magnitude of ML 1.6 on date 03-06-2021 and time 17:10:46 (UTC) in region 4 km SW Castelbuono (PA)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Castelbuono (PA), on

  • 03-06-2021 17:10:46 (UTC)
  • 03-06-2021 19:10:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8990, 14.0700 at 7 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
Castelbuono PA 4 8943 8943
Isnello PA 8 1589 10532
Geraci Siculo PA 9 1945 12477
Petralia Sottana PA 10 2821 15298
San Mauro Castelverde PA 11 1701 16999
Polizzi Generosa PA 11 3407 20406
Gratteri PA 12 963 21369
Petralia Soprana PA 12 3360 24729
Collesano PA 12 4054 28783
Pollina PA 13 2974 31757
Castellana Sicula PA 13 3411 35168
Scillato PA 15 613 35781
Lascari PA 16 3588 39369
Blufi PA 16 1029 40398
Gangi PA 16 6811 47209
Cefalù PA 16 14393 61602
Bompietro PA 17 1401 63003
Tusa ME 18 2925 65928
Caltavuturo PA 18 4017 69945
Campofelice di Roccella PA 19 7537 77482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Caltanissetta (63360 inhabitants)
53 Km E of Bagheria (55387 inhabitants)
67 Km E of Palermo (674435 inhabitants)
78 Km NE of Agrigento (59770 inhabitants)
94 Km N of Gela (75827 inhabitants)
100 Km W of Catania (314555 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 1.6 2021-06-03
17:10:46
37.899 14.0702 7 2021-12-29
11:12:36
Bollettino Sismico Italiano INGV 96478281
Reviewed
Rev100
ML 1.6 2021-06-03
17:10:47
37.902 14.0678 7 2021-06-03
17:16:34
Sala Sismica INGV-Roma 90767351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-03 17:10:46 ± 0.09
Latitude 37.8990 ± 0.0045
Longitude 14.0702 ± 0.0080
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96478281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.67179
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90767351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-03 17:16:34

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96478281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 16:01:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IACL.HHZ. 2021-06-03T17:11:00.56 0.6 undecidable manual P 19 74.5698 50 0.21 43
IV.MUCR.HHZ. 2021-06-03T17:10:59.98 0.3 undecidable manual P 77 72.0723 50 0.02 67
IV.SOLUN.HHE. 2021-06-03T17:10:57.63 1.0 undecidable manual P 295 51.6039 50 0.82 18
IV.MSFR.HHZ. 2021-06-03T17:10:55.99 0.3 undecidable manual P 72 48.0186 50 -0.26 67
IV.ALJA.HHZ. 2021-06-03T17:10:53.52 0.3 undecidable manual P 239 32.3454 103 -0.06 72
IV.PLLN.EHZ. 2021-06-03T17:10:52.14 0.6 undecidable manual S 32 12.1767 121 0.28 47
IV.PETRA.HHZ. 2021-06-03T17:10:51.09 0.6 undecidable manual S 152 8.2806 131 0.34 47
IV.GIB.HHZ. 2021-06-03T17:10:51.70 0.6 undecidable manual S 339 10.7781 124 0.24 48
IV.CSLB.HHZ. 2021-06-03T17:10:49.79 0.6 undecidable manual S 346 4.3956 149 -0.09 50
IV.PLLN.EHZ. 2021-06-03T17:10:49.71 0.1 positive manual P 32 12.1767 121 -0.07 99
IV.PETRA.HHZ. 2021-06-03T17:10:49.10 0.1 undecidable manual P 152 8.2806 131 -0.04 100
IV.GIB.HHZ. 2021-06-03T17:10:49.44 0.1 negative manual P 339 10.7781 124 -0.11 98
IV.CSLB.HHZ. 2021-06-03T17:10:48.46 0.1 undecidable manual P 346 4.3956 149 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.7 0.000883 0.3 AML other m 2021-06-03T17:10:51.75
IV.GIB.HHN. ML:2.0 0.0014849999999999998 1.56 AML other m 2021-06-03T17:10:52.82
IV.PETRA.HHE. ML:1.7 0.0009375 1.36 AML other m 2021-06-03T17:10:52.94
IV.GIB.HHE. ML:1.7 0.000653 0.52 AML other m 2021-06-03T17:10:53.48
IV.PLLN.EHE. ML:1.6 0.0005375 0.88 AML other m 2021-06-03T17:10:54.94
IV.PLLN.EHN. ML:1.7 0.0006265000000000001 0.4 AML other m 2021-06-03T17:10:55.06
IV.ALJA.HHN. ML:1.4 0.00011225 0.46 AML other m 2021-06-03T17:11:00.47
IV.ALJA.HHE. ML:1.6 0.000193 0.7 AML other m 2021-06-03T17:11:01.47
IV.MUCR.HHE. ML:1.5 0.0000554 1.3 AML other m 2021-06-03T17:11:11.04
IV.MUCR.HHN. ML:1.5 0.0000571 0.72 AML other m 2021-06-03T17:11:11.21
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