Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-04-2019 and time 00:48:17 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 1.8 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 18-04-2019 22:48:17 (UTC)
  • 19-04-2019 00:48:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1980, 13.7860 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Bagheria (55387 inhabitants)
38 Km E of Palermo (674435 inhabitants)
82 Km N of Caltanissetta (63360 inhabitants)
100 Km N 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 2019-04-18
22:48:17		 38.1982 13.7863 10 2019-08-22
08:25:14		 Bollettino Sismico Italiano INGV 71245461
Reviewed
Rev100 		ML 1.7 2019-04-18
22:48:18		 38.1743 13.8057 6 2019-04-18
22:57:45		 Sala Sismica INGV-Roma 67727831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-18 22:48:17 ± 0.53
Latitude 38.1982 ± 0.0288
Longitude 13.7863 ± 0.0183
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71245461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3200
Semi-minor axis of confidence ellipse (meter) 1560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 3200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 244
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 71245461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-07 12:59:12

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 67727831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-18 22:57:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2019-04-18T22:48:34.43 0.3 undecidable manual S 183 49.9167 50 0.48 74
IV.PLLN.EHZ. 2019-04-18T22:48:31.20 0.3 undecidable manual S 126 38.628 50 0.27 79
IV.SOLUN.HHZ. 2019-04-18T22:48:27.22 0.3 undecidable manual S 242 25.0527 50 -0.1 83
IV.SCIAR.HHZ. 2019-04-18T22:48:27.39 0.3 undecidable manual S 186 28.749 50 -0.91 64
IV.ALJA.HHZ. 2019-04-18T22:48:27.82 0.1 undecidable manual P 183 49.9167 50 0.62 94
IV.PLLN.EHZ. 2019-04-18T22:48:24.97 0.1 undecidable manual P 126 38.628 50 -0.49 100
IV.CSLB.HHZ. 2019-04-18T22:48:24.39 3.0 undecidable manual Sn -0.54 0
IV.SOLUN.HHZ. 2019-04-18T22:48:23.51 0.3 undecidable manual P 242 25.0527 50 0.13 83
IV.SCIAR.HHZ. 2019-04-18T22:48:23.86 0.3 undecidable manual P 186 28.749 50 -0.08 83
IV.MNTV.HNZ. 2019-04-18T22:48:07.29 3.0 undecidable manual Sn -0.35 0
IV.MPNC.HHZ. 2019-04-18T22:47:37.43 3.0 undecidable manual Pn 3.02 0
IV.CPGN.EHZ. 2019-04-18T22:47:30.62 3.0 undecidable manual Sg 5.29 0
IV.SAMA.HHZ. 2019-04-18T22:46:48.79 3.0 negative manual P 0.68 0
IV.OFFI.HHZ. 2019-04-18T22:46:44.45 3.0 undecidable manual P 0.01 0
IV.MTCE.HHZ. 2019-04-18T22:46:43.59 3.0 undecidable manual P -0.83 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCIAR.HHE. ML:1.9 0.00039949999999999995 1.6 AML other m 2019-04-18T22:48:27.93
IV.SCIAR.HHN. ML:1.9 0.0004345 0.14 AML other m 2019-04-18T22:48:28.48
IV.SOLUN.HHE. ML:1.6 0.00020400000000000003 0.68 AML other m 2019-04-18T22:48:28.44
IV.SCIAR.HNN. ML:2.0 0.0005075 0.88 AML other m 2019-04-18T22:48:29.49
IV.SCIAR.HNE. ML:1.9 0.000365 1.2 AML other m 2019-04-18T22:48:29.71
IV.SOLUN.HHN. ML:1.6 0.00020850000000000003 0.28 AML other m 2019-04-18T22:48:30.27
IV.CSLB.HHE. ML:1.4 0.0000894 1.26 AML other m 2019-04-18T22:48:30.75
IV.CSLB.HHN. ML:1.2 0.00005255 1.72 AML other m 2019-04-18T22:48:31.96
IV.ALJA.HHE. ML:1.8 0.000183 0.8 AML other m 2019-04-18T22:48:37.42
IV.ALJA.HHN. ML:2.0 0.00023850000000000002 0.36 AML other m 2019-04-18T22:48:38.07
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
Waveforms Seismic signals in miniseed + resp format not available