Earthquake with magnitude of ML 1.1 on date 21-06-2023 and time 23:17:15 (UTC) in region 4 km E Pollina (PA)

A magnitude ML 1.1 earthquake occured in region: 4 km E Pollina (PA), on

  • 21-06-2023 23:17:15 (UTC)
  • 22-06-2023 01:17:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0110, 14.1870 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Pollina PA 4 2974 2974
Tusa ME 5 2925 5899
Pettineo ME 10 1350 7249
San Mauro Castelverde PA 11 1701 8950
Motta d'Affermo ME 11 739 9689
Castelbuono PA 12 8943 18632
Santo Stefano di Camastra ME 14 4694 23326
Reitano ME 14 806 24132
Cefalù PA 15 14393 38525
Geraci Siculo PA 17 1945 40470
Isnello PA 17 1589 42059
Castel di Lucio ME 18 1294 43353
Mistretta ME 18 4791 48144
Gratteri PA 19 963 49107

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km N of Caltanissetta (63360 inhabitants)
60 Km E of Bagheria (55387 inhabitants)
73 Km E of Palermo (674435 inhabitants)
94 Km NE of Agrigento (59770 inhabitants)
97 Km W of Acireale (52622 inhabitants)
97 Km NW 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
Reviewed
Rev100
ML 1.1 2023-06-21
23:17:15
38.0113 14.1872 6 2023-06-21
23:29:30
Sala Sismica INGV-Roma 118625791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-21 23:17:15 ± 0.19
Latitude 38.0113 ± 0.0225
Longitude 14.1872 ± 0.0114
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118625791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2608
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 2610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 118625791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-21 23:29:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHE. 2023-06-21T23:17:28.01 0.6 undecidable manual S 86 35.4423 99 0.39 44
IV.MUCR.HHE. 2023-06-21T23:17:26.11 0.3 undecidable manual P 86 60.0954 50 -0.42 63
IV.CIMI.HHE. 2023-06-21T23:17:26.16 0.3 undecidable manual P 255 55.6998 50 0.32 65
IV.ALJA.HHZ. 2023-06-21T23:17:24.76 0.3 undecidable manual P 233 47.8188 50 0.12 68
IV.RESU.HHE. 2023-06-21T23:17:24.19 0.3 undecidable manual P 196 42.0246 98 0.53 63
IV.MSFR.HHE. 2023-06-21T23:17:22.24 0.3 undecidable manual P 86 35.4423 99 -0.11 70
IV.GIB.HHZ. 2023-06-21T23:17:21.22 0.6 undecidable manual S 261 14.2746 112 0.71 41
IV.CSLB.HHZ. 2023-06-21T23:17:19.69 0.6 undecidable manual S 234 13.9749 112 -0.72 41
IV.GIB.HHZ. 2023-06-21T23:17:18.07 0.1 undecidable manual P 261 14.2746 112 -0.18 96
IV.PLLN.EHZ. 2023-06-21T23:17:17.88 0.6 undecidable manual S 242 4.3956 143 0.21 48
IV.CSLB.HHZ. 2023-06-21T23:17:17.71 0.1 undecidable manual P 234 13.9749 112 -0.48 90
IV.PLLN.EHZ. 2023-06-21T23:17:16.66 0.1 undecidable manual P 242 4.3956 143 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ALJA.HHE. ML:1.0 0.0000275321 0.32 AML other m 2023-06-21T23:17:36.59
IV.ALJA.HHN. ML:1.2 0.00004145 0.6 AML other m 2023-06-21T23:17:35.76
IV.PLLN.EHE. ML:0.0 0.0021727075 0.4608 AML other m 2023-06-21T23:17:18.05
IV.PLLN.EHN. ML:0.0 0.0020440645 0.3712 AML other m 2023-06-21T23:17:19.25
IV.CSLB.HNE. ML:1.2 0.0001699455 0.1792 AML other m 2023-06-21T23:17:20.02
IV.CSLB.HNN. ML:1.0 0.00010903012000000001 0.1536 AML other m 2023-06-21T23:17:20.32
IV.CSLB.HHE. ML:1.1 0.0001600751 0.1664 AML other m 2023-06-21T23:17:20.03
IV.CSLB.HHN. ML:1.0 0.00010493754999999999 0.128 AML other m 2023-06-21T23:17:20.34
IV.GIB.HHE. ML:1.3 0.00022665995 0.2816 AML other m 2023-06-21T23:17:22.46
IV.GIB.HHN. ML:1.3 0.00022300534999999998 0.3712 AML other m 2023-06-21T23:17:21.70
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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