Earthquake with magnitude of ML 1.6 on date 29-07-2020 and time 12:28:05 (UTC) in region 6 km NE Polizzi Generosa (PA)

A magnitude ML 1.6 earthquake occured in region: 6 km NE Polizzi Generosa (PA), on

  • 29-07-2020 12:28:05 (UTC)
  • 29-07-2020 14:28:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8600, 14.0460 at 6 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
Polizzi Generosa PA 6 3407 3407
Petralia Sottana PA 7 2821 6228
Castellana Sicula PA 9 3411 9639
Petralia Soprana PA 9 3360 12999
Castelbuono PA 9 8943 21942
Geraci Siculo PA 10 1945 23887
Isnello PA 10 1589 25476
Collesano PA 12 4054 29530
Scillato PA 12 613 30143
Blufi PA 12 1029 31172
Bompietro PA 13 1401 32573
Gratteri PA 14 963 33536
San Mauro Castelverde PA 14 1701 35237
Caltavuturo PA 14 4017 39254
Gangi PA 16 6811 46065
Sclafani Bagni PA 17 426 46491
Pollina PA 18 2974 49465
Lascari PA 18 3588 53053
Alimena PA 20 2032 55085
Resuttano CL 20 2038 57123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Caltanissetta (63360 inhabitants)
53 Km E of Bagheria (55387 inhabitants)
66 Km E of Palermo (674435 inhabitants)
73 Km NE of Agrigento (59770 inhabitants)
90 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 2020-07-29
12:28:05
37.8595 14.0455 7 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83819341
Reviewed
Rev100
ML 1.6 2020-07-29
12:28:04
37.8365 14.0233 7 2020-07-29
12:35:50
Sala Sismica INGV-Roma 81452741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-29 12:28:05 ± 0.23
Latitude 37.8595 ± 0.0162
Longitude 14.0455 ± 0.0194
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83819341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1814
Semi-minor axis of confidence ellipse (meter) 1337
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 1810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.62
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.86335
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 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 83819341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-16 08:29:09

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 81452741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-29 12:35:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.HNZ. 2020-07-29T12:28:21.02 0.3 undecidable manual P 142 95.8263 50 -1.06 46
IV.CPTP.HHZ. 2020-07-29T12:28:16.41 0.1 undecidable manual P 168 51.2154 50 1.21 62
IV.MCT.HHE. 2020-07-29T12:28:15.43 0.3 undecidable manual P 235 46.8198 50 0.91 54
IV.SCIAR.HHZ. 2020-07-29T12:28:15.13 0.6 undecidable manual S 289 27.4503 103 0.04 49
IV.MSFR.HHZ. 2020-07-29T12:28:15.01 0.3 undecidable manual P 68 51.5151 50 -0.24 67
IV.CAGR.HHE. 2020-07-29T12:28:14.63 0.3 undecidable manual P 123 47.8188 50 -0.04 71
IV.GIB.HHZ. 2020-07-29T12:28:11.50 0.6 undecidable manual S 353 14.5743 114 0.66 43
IV.SCIAR.HHZ. 2020-07-29T12:28:10.04 0.1 undecidable manual P 289 27.4503 103 -0.91 75
IV.PETRA.HHZ. 2020-07-29T12:28:09.24 0.3 undecidable manual S 115 6.6933 134 0.7 64
IV.CSLB.HHZ. 2020-07-29T12:28:09.70 0.3 undecidable manual S 7 8.6802 127 0.63 65
IV.PLLN.EHZ. 2020-07-29T12:28:08.74 0.3 undecidable manual P 30 17.0718 111 -0.22 72
IV.GIB.HHZ. 2020-07-29T12:28:08.47 0.1 undecidable manual P 353 14.5743 114 -0.03 100
IV.CSLB.HHZ. 2020-07-29T12:28:07.34 0.1 positive manual P 7 8.6802 127 -0.14 99
IV.PETRA.HHZ. 2020-07-29T12:28:06.24 0.1 positive manual P 115 6.6933 134 -0.93 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:1.4 0.000452 1.18 AML other m 2020-07-29T12:28:10.69
IV.CSLB.HHE. ML:1.5 0.0004985 1.62 AML other m 2020-07-29T12:28:12.98
IV.GIB.HHN. ML:1.6 0.000458 1.1 AML other m 2020-07-29T12:28:15.08
IV.PLLN.EHN. ML:1.8 0.000592 1.44 AML other m 2020-07-29T12:28:16.92
IV.GIB.HHE. ML:1.7 0.000508 0.42 AML other m 2020-07-29T12:28:17.38
IV.SCIAR.HHE. ML:1.6 0.00022899999999999998 0.52 AML other m 2020-07-29T12:28:17.81
IV.PLLN.EHE. ML:1.7 0.000505 1.24 AML other m 2020-07-29T12:28:18.68
IV.SCIAR.HHN. ML:1.7 0.0002785 0.48 AML other m 2020-07-29T12:28:19.68
IV.MSFR.HHN. ML:1.4 0.00006875 0.68 AML other m 2020-07-29T12:28:30.20
IV.MSFR.HHE. ML:1.3 0.0000536 1.14 AML other m 2020-07-29T12:28:31.38
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