Earthquake with magnitude of ML 1.3 on date 26-04-2023 and time 02:32:09 (Italy) in region 3 km NW Gangi (PA)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Gangi (PA), on

  • 26-04-2023 00:32:09 (UTC)
  • 26-04-2023 02:32:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8250, 14.1860 at 8 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
Gangi PA 3 6811 6811
Geraci Siculo PA 5 1945 8756
Petralia Soprana PA 7 3360 12116
Petralia Sottana PA 8 2821 14937
San Mauro Castelverde PA 10 1701 16638
Bompietro PA 11 1401 18039
Blufi PA 12 1029 19068
Castel di Lucio ME 13 1294 20362
Castellana Sicula PA 13 3411 23773
Castelbuono PA 15 8943 32716
Alimena PA 16 2032 34748
Sperlinga EN 16 805 35553
Polizzi Generosa PA 16 3407 38960
Pettineo ME 18 1350 40310
Tusa ME 19 2925 43235
Pollina PA 19 2974 46209
Mistretta ME 20 4791 51000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Caltanissetta (63360 inhabitants)
66 Km E of Bagheria (55387 inhabitants)
78 Km NE of Agrigento (59770 inhabitants)
79 Km E of Palermo (674435 inhabitants)
85 Km N of Gela (75827 inhabitants)
87 Km W of Catania (314555 inhabitants)
90 Km W of Acireale (52622 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 1.3 2023-04-26
00:32:09
37.8248 14.1855 8 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124950991
Reviewed
Rev100
ML 1.3 2023-04-26
00:32:08
37.8233 14.1727 10 2023-04-26
00:38:11
Sala Sismica INGV-Roma 116753751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 00:32:09 ± 0.14
Latitude 37.8248 ± 0.0072
Longitude 14.1855 ± 0.0125
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124950991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 936
Semi-minor axis of confidence ellipse (meter) 884
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.72305
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 116753751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-26 00:38:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 124950991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-30 15:01:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHE. 2023-04-26T00:32:23.34 0.3 undecidable manual P 131 80.2641 50 0.09 68
IV.RAFF.HNE. 2023-04-26T00:32:21.99 0.3 undecidable manual P 167 68.5758 50 0.53 63
IV.MUCR.HHZ. 2023-04-26T00:32:20.72 0.3 undecidable manual P 68 64.8906 50 -0.17 69
IV.CIMI.HNE. 2023-04-26T00:32:19.66 0.3 undecidable manual P 277 54.0015 50 0.45 67
IV.GIB.HHE. 2023-04-26T00:32:18.01 0.6 undecidable manual S 323 23.0547 109 0.49 46
IV.MSFR.HHE. 2023-04-26T00:32:17.17 0.3 undecidable manual P 57 42.4242 50 -0.25 70
IV.RESU.HHZ. 2023-04-26T00:32:17.89 0.6 undecidable manual S 210 22.755 109 0.46 46
IV.PLLN.EHZ. 2023-04-26T00:32:17.05 0.3 undecidable manual S 349 18.9699 113 0.85 60
IV.GALF.HHE. 2023-04-26T00:32:16.54 0.6 undecidable manual P 111 35.742 50 0.15 48
IV.ALJA.HHZ. 2023-04-26T00:32:16.54 0.3 undecidable manual P 258 38.8278 50 -0.32 69
IV.CSLB.HHZ. 2023-04-26T00:32:15.35 0.3 undecidable manual S 318 16.7721 115 -0.16 75
IV.PLLN.EHZ. 2023-04-26T00:32:13.03 0.1 undecidable manual P 349 18.9699 113 -0.16 100
IV.GIB.HHE. 2023-04-26T00:32:13.40 0.6 undecidable manual P 323 23.0547 109 -0.55 45
IV.RESU.HHZ. 2023-04-26T00:32:13.44 0.3 undecidable manual P 210 22.755 109 -0.46 70
IV.CSLB.HHZ. 2023-04-26T00:32:12.28 0.3 undecidable manual P 318 16.7721 115 -0.5 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:1.2 0.0001325 0.92 AML other m 2023-04-26T00:32:15.99
IV.CSLB.HNE. ML:1.2 0.000131 0.9 AML other m 2023-04-26T00:32:16.41
IV.CSLB.HHE. ML:1.2 0.000131 0.9 AML other m 2023-04-26T00:32:16.42
IV.CSLB.HNN. ML:1.2 0.0001305 0.52 AML other m 2023-04-26T00:32:17.66
IV.RESU.HHE. ML:1.5 0.00023199999999999997 0.36 AML other m 2023-04-26T00:32:20.45
IV.RESU.HNE. ML:1.2 0.00011949999999999999 0.38 AML other m 2023-04-26T00:32:20.45
IV.RESU.HNN. ML:1.2 0.00011295 0.42 AML other m 2023-04-26T00:32:22.40
IV.RESU.HHN. ML:1.5 0.0002275 1.24 AML other m 2023-04-26T00:32:22.03
IV.ALJA.HHE. ML:1.5 0.0001215 0.7 AML other m 2023-04-26T00:32:26.30
IV.ALJA.HHN. ML:1.6 0.000132 0.32 AML other m 2023-04-26T00:32:27.83
IV.MUCR.HHE. ML:1.3 0.000035749999999999995 0.44 AML other m 2023-04-26T00:32:35.75
IV.MUCR.HHN. ML:1.2 0.0000323 1.44 AML other m 2023-04-26T00:32:36.96
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