Earthquake with magnitude of ML 1.6 on date 05-06-2021 and time 13:03:42 (UTC) in region 4 km SE Collesano (PA)

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

  • 05-06-2021 13:03:42 (UTC)
  • 05-06-2021 15:03:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8950, 13.9640 at 5 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
Collesano PA 4 4054 4054
Scillato PA 7 613 4667
Isnello PA 7 1589 6256
Gratteri PA 8 963 7219
Polizzi Generosa PA 10 3407 10626
Caltavuturo PA 10 4017 14643
Castelbuono PA 12 8943 23586
Lascari PA 12 3588 27174
Sclafani Bagni PA 13 426 27600
Campofelice di Roccella PA 13 7537 35137
Cerda PA 13 5330 40467
Castellana Sicula PA 14 3411 43878
Petralia Sottana PA 15 2821 46699
Aliminusa PA 16 1236 47935
Petralia Soprana PA 17 3360 51295
Cefalù PA 17 14393 65688
Geraci Siculo PA 17 1945 67633
Sciara PA 18 2822 70455
Montemaggiore Belsito PA 18 3365 73820
Blufi PA 19 1029 74849
Pollina PA 20 2974 77823

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Bagheria (55387 inhabitants)
46 Km N of Caltanissetta (63360 inhabitants)
58 Km E of Palermo (674435 inhabitants)
73 Km NE of Agrigento (59770 inhabitants)
96 Km N of Gela (75827 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 2021-06-05
13:03:42
37.8952 13.964 5 2021-12-29
11:12:19
Bollettino Sismico Italiano INGV 93915701
Reviewed
Rev100
ML 1.5 2021-06-05
13:03:42
37.8908 13.9808 8 2021-06-05
13:15:56
Sala Sismica INGV-Roma 90824441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-05 13:03:42 ± 0.07
Latitude 37.8952 ± 0.0036
Longitude 13.9640 ± 0.0046
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93915701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 34
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.70777
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 93915701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-10 09:51:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90824441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-05 13:15:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHZ. 2021-06-05T13:04:01.48 0.6 undecidable manual S 74 56.9985 50 0.36 43
IV.SOLUN.HHE. 2021-06-05T13:03:57.38 0.6 undecidable manual S 300 43.623 97 -0.03 48
IV.IACL.HHE. 2021-06-05T13:03:56.27 0.6 undecidable manual P 26 78.5658 50 -0.16 44
IV.MPG.HHE. 2021-06-05T13:03:53.30 1.0 undecidable manual P 299 60.495 50 -0.35 22
IV.MSFR.HHZ. 2021-06-05T13:03:53.12 0.3 undecidable manual P 74 56.9985 50 0.01 70
IV.ALJA.HHZ. 2021-06-05T13:03:50.96 0.6 undecidable manual S 229 24.5532 102 0.07 49
IV.SOLUN.HHE. 2021-06-05T13:03:50.82 0.6 undecidable manual P 300 43.623 97 -0.15 47
IV.PLLN.EHZ. 2021-06-05T13:03:49.19 0.6 undecidable manual S 55 19.0698 106 0.16 49
IV.RESU.HHZ. 2021-06-05T13:03:48.33 0.3 undecidable manual P 164 28.749 101 0.3 69
IV.GIB.HHZ. 2021-06-05T13:03:47.04 0.6 undecidable manual S 27 11.877 114 0.35 47
IV.ALJA.HHZ. 2021-06-05T13:03:47.41 0.3 undecidable manual P 229 24.5532 102 0.2 71
IV.PETRA.HHZ. 2021-06-05T13:03:47.57 0.6 undecidable manual S 117 14.874 110 -0.09 50
IV.CSLB.HHZ. 2021-06-05T13:03:46.18 0.6 undecidable manual S 60 9.4794 120 0.23 49
IV.PETRA.HHZ. 2021-06-05T13:03:45.04 0.1 undecidable manual P 117 14.874 110 -0.3 95
IV.PLLN.EHZ. 2021-06-05T13:03:45.82 0.1 positive manual P 55 19.0698 106 -0.32 94
IV.CSLB.HHZ. 2021-06-05T13:03:44.23 0.1 positive manual P 60 9.4794 120 -0.12 99
IV.GIB.HHZ. 2021-06-05T13:03:44.85 0.1 positive manual P 27 11.877 114 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:1.5 0.00063556695 0.32 AML other m 2021-06-05T13:03:46.48
IV.GIB.HHE. ML:1.6 0.0005492076 0.6784 AML other m 2021-06-05T13:03:52.62
IV.CSLB.HHE. ML:1.3 0.0003347806 0.3392 AML other m 2021-06-05T13:03:48.50
IV.GIB.HHN. ML:1.6 0.000629424 0.3968 AML other m 2021-06-05T13:03:48.91
IV.PETRA.HHN. ML:1.6 0.00047603415000000007 1.6608 AML other m 2021-06-05T13:03:49.93
IV.PETRA.HHE. ML:1.6 0.00045190430000000004 0.224 AML other m 2021-06-05T13:03:50.96
IV.PLLN.EHE. ML:1.4 0.000225 0.74 AML other m 2021-06-05T13:03:53.90
IV.PLLN.EHN. ML:1.6 0.00035450000000000005 0.44 AML other m 2021-06-05T13:03:54.53
IV.RESU.HHE. ML:1.7 0.000261 0.38 AML other m 2021-06-05T13:03:55.77
IV.RESU.HHN. ML:1.8 0.00032250000000000003 0.86 AML other m 2021-06-05T13:03:56.56
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