Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 02-03-2021 and time 12:23:42 (UTC) in region 6 km NW Campofiorito (PA)

A magnitude ML 1.3 earthquake occured in region: 6 km NW Campofiorito (PA), on

  • 02-03-2021 12:23:42 (UTC)
  • 02-03-2021 13:23:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8010, 13.2320 at 19 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Campofiorito PA 6 1302 1302
Corleone PA 6 11234 12536
Roccamena PA 8 1505 14041
Contessa Entellina PA 9 1766 15807
Bisacquino PA 11 4599 20406
Giuliana PA 14 1952 22358
Chiusa Sclafani PA 14 2838 25196
Camporeale PA 16 3373 28569
Poggioreale TP 18 1494 30063
San Cipirello PA 18 5372 35435
Palazzo Adriano PA 19 2135 37570
San Giuseppe Jato PA 19 8650 46220
Prizzi PA 20 4858 51078
Sambuca di Sicilia AG 20 5877 56955

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Palermo (674435 inhabitants)
40 Km SW of Bagheria (55387 inhabitants)
59 Km E of Mazara del Vallo (51718 inhabitants)
63 Km NW of Agrigento (59770 inhabitants)
68 Km E of Trapani (68759 inhabitants)
70 Km E of Marsala (83194 inhabitants)
81 Km W of Caltanissetta (63360 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 2021-03-02
12:23:42		 37.8007 13.2325 19 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90804871
Reviewed
Rev100 		ML 1.3 2021-03-02
12:23:42		 37.7733 13.0098 30 2021-03-02
12:44:44		 Sala Sismica INGV-Roma 87627771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-02 12:23:42 ± 0.35
Latitude 37.8007 ± 0.0099
Longitude 13.2325 ± 0.0137
Depth (km) 19 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90804871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1079
Semi-minor axis of confidence ellipse (meter) 751
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 90804871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-05 00:00:58

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 87627771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-02 12:44:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBFT.HHE. 2021-03-02T12:23:53.46 0.3 undecidable manual S 304 29.2485 114 0.05 73
IV.MFNL.HHZ. 2021-03-02T12:23:53.50 0.6 undecidable manual S 268 27.1506 116 0.59 43
MN.CLTB.HHE. 2021-03-02T12:23:53.07 0.6 undecidable manual S 183 24.753 119 0.74 41
IV.MMGO.HHZ. 2021-03-02T12:23:52.23 0.3 undecidable manual S 236 27.2505 116 -0.68 63
IV.CRJA.HHZ. 2021-03-02T12:23:51.53 0.6 undecidable manual S 270 19.9689 126 0.27 48
IV.SCIAC.HHZ. 2021-03-02T12:23:49.68 0.3 undecidable manual P 200 33.5442 110 0.2 70
IV.CORL.HHZ. 2021-03-02T12:23:49.66 0.6 undecidable manual S 31 12.0768 143 -0.09 50
MN.CLTB.HHE. 2021-03-02T12:23:48.15 0.6 undecidable manual P 183 24.753 119 -0.09 49
IV.MMGO.HHZ. 2021-03-02T12:23:48.32 0.1 undecidable manual P 236 27.2505 116 -0.26 95
IV.MBFT.HHE. 2021-03-02T12:23:48.75 0.3 undecidable manual P 304 29.2485 114 -0.12 73
IV.MFNL.HHZ. 2021-03-02T12:23:48.90 0.3 undecidable manual P 268 27.1506 116 0.32 69
IV.CRJA.HHZ. 2021-03-02T12:23:47.56 0.1 undecidable manual P 270 19.9689 126 -0.06 100
IV.CORL.HHZ. 2021-03-02T12:23:46.51 0.3 undecidable manual P 31 12.0768 143 -0.24 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRJA.HHN. ML:1.5 0.00016450000000000001 0.48 AML other m 2021-03-02T12:23:52.08
IV.MMGO.HHN. ML:1.2 0.0000814 0.4 AML other m 2021-03-02T12:23:52.36
IV.MMGO.HHE. ML:1.1 0.00005505 0.34 AML other m 2021-03-02T12:23:54.27
IV.CRJA.HHE. ML:1.4 0.0001545 0.82 AML other m 2021-03-02T12:23:55.52
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