Earthquake with magnitude of ML 1.8 on date 14-04-2021 and time 00:26:14 (Italy) in region 9 km SW Camporeale (PA)

A magnitude ML 1.8 earthquake occured in region: 9 km SW Camporeale (PA), on

  • 13-04-2021 22:26:14 (UTC)
  • 14-04-2021 00:26:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.853, 13.005 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
Camporeale PA 9 3373 3373
Poggioreale TP 10 1494 4867
Salaparuta TP 11 1696 6563
Gibellina TP 13 4115 10678
Roccamena PA 13 1505 12183
Santa Ninfa TP 14 5043 17226
Calatafimi-Segesta TP 14 6712 23938
Alcamo TP 15 45307 69245
Montevago AG 17 3006 72251
Vita TP 17 2056 74307
Partanna TP 18 10607 84914
Santa Margherita di Belice AG 18 6363 91277
Salemi TP 18 10794 102071
San Cipirello PA 20 5372 107443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Mazara del Vallo (51718 inhabitants)
43 Km SW of Palermo (674435 inhabitants)
47 Km E of Trapani (68759 inhabitants)
50 Km E of Marsala (83194 inhabitants)
51 Km SW of Bagheria (55387 inhabitants)
79 Km NW of Agrigento (59770 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 1.8 2021-04-13
22:26:14
37.8527 13.0053 10 2021-07-12
16:55:14
Bollettino Sismico Italiano INGV 90895001
Reviewed
Rev100
ML 1.8 2021-04-13
22:26:14
37.85 13.0063 10 2021-04-13
22:31:41
Sala Sismica INGV-Roma 89077521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-13 22:26:14 ± 0.12
Latitude 37.8527 ± 0.0063
Longitude 13.0053 ± 0.0091
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90895001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 784
Semi-minor axis of confidence ellipse (meter) 713
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 780
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.37772
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:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90895001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-15 12:57:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 89077521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-13 22:31:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2021-04-13T22:26:27.12 0.6 undecidable manual S 149 0.3211 50 0.51 43
IV.SCIAC.HHE. 2021-04-13T22:26:27.05 0.6 undecidable manual S 167 0.3444 50 -0.26 45
IV.CAVT.HHZ. 2021-04-13T22:26:25.26 0.3 undecidable manual S 229 0.2626 50 0.37 68
IV.CORL.HHZ. 2021-04-13T22:26:24.19 0.3 undecidable manual S 80 0.2392 50 0.01 73
IV.ERC.EHE. 2021-04-13T22:26:23.56 0.6 undecidable manual P 299 0.3777 50 1.16 32
IV.MTGR.HHZ. 2021-04-13T22:26:22.29 0.3 undecidable manual S 282 0.1988 114 -0.45 67
IV.MARS.EHE. 2021-04-13T22:26:22.32 0.3 undecidable manual P 254 0.3615 50 0.19 69
IV.MMGO.HHZ. 2021-04-13T22:26:21.93 0.3 undecidable manual S 187 0.1916 115 -0.59 64
MN.CLTB.HHZ. 2021-04-13T22:26:21.19 0.3 undecidable manual P 149 0.3211 50 -0.25 69
IV.SCIAC.HHE. 2021-04-13T22:26:21.44 0.1 undecidable manual P 167 0.3444 50 -0.4 88
IV.CAVT.HHZ. 2021-04-13T22:26:20.37 0.3 undecidable manual P 229 0.2626 50 -0.07 72
IV.CRJA.HHZ. 2021-04-13T22:26:19.11 0.3 undecidable manual S 181 0.0513 150 0.8 61
IV.CORL.HHZ. 2021-04-13T22:26:19.85 0.3 undecidable manual P 80 0.2392 50 -0.18 71
IV.MTGR.HHZ. 2021-04-13T22:26:19.15 0.3 undecidable manual P 282 0.1988 114 -0.05 73
IV.MBFT.HHZ. 2021-04-13T22:26:19.32 0.3 undecidable manual S 336 0.1016 131 -0.26 71
IV.MMGO.HHZ. 2021-04-13T22:26:18.91 0.1 positive manual P 187 0.1916 115 -0.17 95
IV.MBFT.HHZ. 2021-04-13T22:26:17.40 0.1 negative manual P 336 0.1016 131 0.02 100
IV.CRJA.HHZ. 2021-04-13T22:26:17.03 0.1 undecidable manual P 181 0.0513 150 0.38 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRJA.HHE. ML:1.9 0.001385 0.36 AML other m 2021-04-13T22:26:19.44
IV.CRJA.HHN. ML:2 0.00163 0.58 AML other m 2021-04-13T22:26:19.34
IV.MBFT.HHN. ML:1.2 0.000204 0.82 AML other m 2021-04-13T22:26:19.01
IV.MBFT.HHE. ML:1.4 0.000291 0.66 AML other m 2021-04-13T22:26:20.19
IV.MMGO.HNE. ML:2 0.0006895 0.22 AML other m 2021-04-13T22:26:22.24
IV.MMGO.HHE. ML:2 0.0006795 0.22 AML other m 2021-04-13T22:26:22.25
IV.MMGO.HNN. ML:1.8 0.0004265 0.48 AML other m 2021-04-13T22:26:22.14
IV.MMGO.HHN. ML:1.8 0.0004155 0.48 AML other m 2021-04-13T22:26:22.14
IV.CORL.HHE. ML:1.6 0.0002025 0.62 AML other m 2021-04-13T22:26:26.72
IV.CORL.HHN. ML:1.5 0.000186 0.74 AML other m 2021-04-13T22:26:27.39
MN.CLTB.HHE. ML:2.2 0.000681 1.56 AML other m 2021-04-13T22:26:28.89
MN.CLTB.HHN. ML:2.4 0.001125 0.66 AML other m 2021-04-13T22:26:29.62
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