Earthquake with magnitude of ML 2.0 on date 24-10-2018 and time 20:40:30 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.0 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 24-10-2018 20:40:30 (UTC)
  • 24-10-2018 22:40:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4090, 13.4100 at 4 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Palermo (674435 inhabitants)
38 Km N of Bagheria (55387 inhabitants)
90 Km NE of Trapani (68759 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 2.0 2018-10-24
20:40:30
38.4093 13.4102 4 2019-06-04
09:16:12
Bollettino Sismico Italiano INGV 67408831
Reviewed
Rev100
ML 2.1 2018-10-24
20:40:30
38.4032 13.4003 2 2018-10-24
20:58:38
Sala Sismica INGV-Roma 62284961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-24 20:40:30 ± 0.16
Latitude 38.4093 ± 0.0081
Longitude 13.4102 ± 0.0138
Depth (km) 4 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67408831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1240
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.25091
Epicentral distance of station farthest from the epicenter (degree) 1.40474
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 67408831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-24 14:38:29

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 62284961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-24 20:58:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MARS.EHE. 2018-10-24T20:41:03.74 0.6 undecidable manual S 226 103.7184 50 1.15 31
IV.RAFF.HHZ. 2018-10-24T20:40:57.89 0.3 undecidable manual P 147 155.9217 50 0.64 52
IV.PLLN.EHZ. 2018-10-24T20:40:55.80 1.0 undecidable manual S 126 78.8655 50 -0.18 23
IV.CSLB.HHZ. 2018-10-24T20:40:54.80 1.0 undecidable manual S 133 77.0673 50 -0.68 20
IV.CORL.HHZ. 2018-10-24T20:40:51.15 1.0 undecidable manual S 189 57.8976 50 0.78 20
IV.MARS.EHE. 2018-10-24T20:40:49.66 0.3 undecidable manual P 226 103.7184 50 0.45 63
IV.MMGO.HHZ. 2018-10-24T20:40:47.20 0.3 undecidable manual P 205 91.1421 50 -0.07 70
IV.IACL.HHE. 2018-10-24T20:40:46.07 1.0 undecidable manual P 80 83.25 50 0.02 24
IV.ERC.EHE. 2018-10-24T20:40:46.02 0.6 undecidable manual P 240 82.7505 50 0.05 47
IV.ALJA.HHZ. 2018-10-24T20:40:46.25 0.3 undecidable manual P 158 79.1652 50 0.82 57
IV.PLLN.EHZ. 2018-10-24T20:40:45.58 0.1 undecidable manual P 126 78.8655 50 0.2 93
IV.CRJA.HHZ. 2018-10-24T20:40:45.47 0.6 undecidable manual P 208 76.1682 50 0.51 44
IV.USI.HHZ. 2018-10-24T20:40:44.10 1.0 undecidable manual S 329 38.7279 96 -0.32 24
IV.CSLB.HHZ. 2018-10-24T20:40:44.99 0.3 undecidable manual P 133 77.0673 50 -0.1 71
IV.MBFT.HHZ. 2018-10-24T20:40:43.05 0.6 undecidable manual P 218 64.9905 50 -0.2 48
IV.CORL.HHZ. 2018-10-24T20:40:41.43 0.3 undecidable manual P 189 57.8976 50 -0.72 62
IV.MPG.SHZ. 2018-10-24T20:40:40.24 0.3 undecidable manual S 189 27.8499 98 -0.43 73
IV.USI.HHZ. 2018-10-24T20:40:38.52 0.1 negative manual P 329 38.7279 96 -0.19 100
IV.MPG.SHZ. 2018-10-24T20:40:35.87 0.1 negative manual P 189 27.8499 98 -0.68 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPG.SHE. ML:0.0 0.000901 1.04 AML other m 2018-10-24T20:40:41.96
IV.MPG.SHN. ML:0.0 0.001009 0.2 AML other m 2018-10-24T20:40:41.96
IV.USI.HHE. ML:2.4 0.000903 0.6 AML other m 2018-10-24T20:40:45.58
IV.USI.HHN. ML:2.9 0.00329 0.28 AML other m 2018-10-24T20:40:47.29
IV.CORL.HHE. ML:2.3 0.000475 0.4 AML other m 2018-10-24T20:40:53.95
IV.CORL.HHN. ML:2.2 0.00032900000000000003 1.04 AML other m 2018-10-24T20:40:55.05
IV.CSLB.HHN. ML:1.6 0.00006445000000000001 1.14 AML other m 2018-10-24T20:40:55.07
IV.MBFT.HHE. ML:1.8 0.000131 0.38 AML other m 2018-10-24T20:40:55.73
IV.MBFT.HHN. ML:1.9 0.00014000000000000001 1.56 AML other m 2018-10-24T20:40:56.00
IV.CSLB.HHE. ML:1.7 0.00007065 0.34 AML other m 2018-10-24T20:41:01.07
IV.MMGO.HHE. ML:1.7 0.000054449999999999995 0.64 AML other m 2018-10-24T20:41:01.58
IV.ALJA.HHN. ML:2.3 0.00027350000000000003 1.18 AML other m 2018-10-24T20:41:01.97
IV.ALJA.HHE. ML:2.3 0.0002585 1.48 AML other m 2018-10-24T20:41:03.75
IV.MMGO.HHN. ML:1.5 0.000038350000000000004 0.42 AML other m 2018-10-24T20:41:04.04
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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