Earthquake with magnitude of ML 1.3 on date 25-02-2021 and time 14:54:44 (Italy) in region 1 km SW Gangi (PA)

A magnitude ML 1.3 earthquake occured in region: 1 km SW Gangi (PA), on

  • 25-02-2021 13:54:44 (UTC)
  • 25-02-2021 14:54:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7920, 14.2020 at 10 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 1 6811 6811
Petralia Soprana PA 8 3360 10171
Geraci Siculo PA 9 1945 12116
Petralia Sottana PA 10 2821 14937
Bompietro PA 10 1401 16338
Blufi PA 12 1029 17367
Alimena PA 13 2032 19399
Sperlinga EN 14 805 20204
San Mauro Castelverde PA 14 1701 21905
Castellana Sicula PA 14 3411 25316
Castel di Lucio ME 14 1294 26610
Polizzi Generosa PA 18 3407 30017
Nicosia EN 18 13899 43916
Castelbuono PA 19 8943 52859
Resuttano CL 19 2038 54897

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Caltanissetta (63360 inhabitants)
69 Km SE of Bagheria (55387 inhabitants)
76 Km NE of Agrigento (59770 inhabitants)
81 Km N of Gela (75827 inhabitants)
82 Km E of Palermo (674435 inhabitants)
84 Km W of Catania (314555 inhabitants)
87 Km W of Acireale (52622 inhabitants)
98 Km N of Vittoria (63339 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 2021-02-25
13:54:44
37.7922 14.2022 11 2021-07-12
16:55:12
Bollettino Sismico Italiano INGV 90447751
Reviewed
Rev100
ML 1.4 2021-02-25
13:54:43
37.7842 14.1523 18 2021-02-25
14:00:18
Sala Sismica INGV-Roma 87479351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-25 13:54:44 ± 0.12
Latitude 37.7922 ± 0.0081
Longitude 14.2022 ± 0.0137
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90447751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 751
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.58636
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 90447751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-24 11:18:36

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87479351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-25 14:00:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHZ. 2021-02-25T13:54:58.51 0.6 undecidable manual S 52 43.3233 50 -0.08 48
IV.GALF.HHZ. 2021-02-25T13:54:56.60 0.6 undecidable manual S 106 33.2445 50 0.72 41
IV.MUCR.HHZ. 2021-02-25T13:54:56.01 0.6 undecidable manual P 64 65.0904 50 0.06 46
IV.GIB.HHE. 2021-02-25T13:54:55.17 0.6 undecidable manual S 325 26.8509 50 0.99 37
IV.CSLB.HHZ. 2021-02-25T13:54:52.43 0.3 undecidable manual S 322 20.4684 117 0.01 75
IV.RESU.HHE. 2021-02-25T13:54:52.20 0.6 undecidable manual S 218 20.5683 117 -0.25 48
IV.MSFR.HHZ. 2021-02-25T13:54:52.28 0.3 undecidable manual P 52 43.3233 50 -0.33 68
IV.PLLN.EHZ. 2021-02-25T13:54:52.84 0.6 undecidable manual S 347 22.8549 50 -0.27 47
IV.GALF.HHZ. 2021-02-25T13:54:51.09 0.3 undecidable manual P 106 33.2445 50 0.05 73
IV.GIB.HHE. 2021-02-25T13:54:50.05 0.3 undecidable manual P 325 26.8509 50 -0.01 75
IV.PETRA.HHZ. 2021-02-25T13:54:49.89 0.6 undecidable manual S 301 8.88 140 0.68 43
IV.PLLN.EHZ. 2021-02-25T13:54:49.12 0.1 undecidable manual P 347 22.8549 50 -0.32 94
IV.CSLB.HHZ. 2021-02-25T13:54:48.76 0.1 undecidable manual P 322 20.4684 117 -0.28 95
IV.RESU.HHE. 2021-02-25T13:54:48.95 0.3 undecidable manual P 218 20.5683 117 -0.11 74
IV.PETRA.HHZ. 2021-02-25T13:54:47.33 0.1 positive manual P 301 8.88 140 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.4 0.0003435 0.3 AML other m 2021-02-25T13:54:50.44
IV.PETRA.HHE. ML:1.5 0.00038250000000000003 1 AML other m 2021-02-25T13:54:52.99
IV.CSLB.HHE. ML:0.7 0.00003305 0.34 AML other m 2021-02-25T13:54:53.81
IV.CSLB.HHN. ML:0.8 0.000048549999999999994 1.26 AML other m 2021-02-25T13:54:54.18
IV.PLLN.EHE. ML:1.1 0.0000842 0.44 AML other m 2021-02-25T13:54:55.24
IV.PLLN.EHN. ML:1.2 0.0001175 0.4 AML other m 2021-02-25T13:54:55.26
IV.GALF.HHN. ML:1.6 0.0001615 0.38 AML other m 2021-02-25T13:55:00.32
IV.GALF.HHE. ML:1.6 0.00015916930000000001 1.5136 AML other m 2021-02-25T13:55:03.05
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