Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 23-11-2018 and time 20:16:42 (Italy) in region 5 km W Sigillo (PG)

A magnitude ML 2.4 earthquake occured in region: 5 km W Sigillo (PG), on

  • 23-11-2018 19:16:42 (UTC)
  • 23-11-2018 20:16:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3200, 12.6810 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.

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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
Sigillo PG 5 2404 2404
Costacciaro PG 5 1216 3620
Fossato di Vico PG 7 2840 6460
Gubbio PG 9 32216 38676
Scheggia e Pascelupo PG 10 1393 40069
Gualdo Tadino PG 13 15208 55277
Cantiano PU 18 2245 57522
Fabriano AN 18 31480 89002
Valfabbrica PG 19 3389 92391
Sassoferrato AN 20 7285 99676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
67 Km E of Arezzo (99543 inhabitants)
68 Km S of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
83 Km S of Rimini (147750 inhabitants)
84 Km N of Terni (111501 inhabitants)
98 Km SE of Cesena (96758 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 2.4 2018-11-23
19:16:42		 43.3195 12.6812 10 2019-06-04
09:16:07		 Bollettino Sismico Italiano INGV 64730731
Reviewed
Rev100 		ML 2.4 2018-11-23
19:16:42		 43.3213 12.6818 10 2018-11-23
19:49:05		 Sala Sismica INGV-Roma 63316431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-23 19:16:42 ± 0.06
Latitude 43.3195 ± 0.0036
Longitude 12.6812 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64730731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40919
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 64730731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-17 13:09:29

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63316431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-23 19:49:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATTE.HHE. 2018-11-23T19:16:52.50 0.6 undecidable manual S 243 29.6481 50 -0.25 47
IV.ARVD.HHE. 2018-11-23T19:16:52.70 0.3 undecidable manual S 47 28.8489 50 0.18 71
IV.FRON.EHN. 2018-11-23T19:16:50.50 0.3 undecidable manual S 9 22.2555 115 -0.19 72
IV.SNTG.HNZ. 2018-11-23T19:16:50.60 0.3 undecidable manual S 109 22.1556 115 -0.05 74
IV.FDMO.HHE. 2018-11-23T19:16:50.31 0.6 undecidable manual P 134 45.4212 50 -0.4 44
IV.ARVD.HHE. 2018-11-23T19:16:48.23 0.3 undecidable manual P 47 28.8489 50 0.08 72
IV.MPAG.HNZ. 2018-11-23T19:16:48.34 0.6 undecidable manual P 10 34.9428 50 -0.74 40
IV.ASSB.HHZ. 2018-11-23T19:16:48.13 1.0 undecidable manual P 183 30.747 50 -0.31 23
IV.SSFR.HNZ. 2018-11-23T19:16:48.60 0.3 undecidable manual S 32 15.2736 124 0.03 75
IV.MMUR.HNN. 2018-11-23T19:16:48.30 0.3 undecidable manual P 62 28.8489 50 0.14 71
IV.ATTE.HHE. 2018-11-23T19:16:48.04 0.6 undecidable manual P 243 29.6481 50 -0.24 47
IV.MURB.HNZ. 2018-11-23T19:16:48.30 0.3 undecidable manual S 244 14.0748 126 0.06 75
IV.ATPI.EHN. 2018-11-23T19:16:47.98 0.6 undecidable manual P 303 26.751 50 0.15 48
IV.ATFO.HHZ. 2018-11-23T19:16:47.00 0.3 undecidable manual S 301 10.2786 135 -0.22 73
IV.SNTG.HNZ. 2018-11-23T19:16:47.36 0.3 undecidable manual P 109 22.1556 115 0.29 70
IV.ATVO.HHE. 2018-11-23T19:16:47.60 0.6 undecidable manual P 288 23.1546 114 0.34 46
IV.FRON.EHN. 2018-11-23T19:16:47.02 0.3 undecidable manual P 9 22.2555 115 -0.07 74
IV.MML1.EHZ. 2018-11-23T19:16:47.51 3.0 undecidable manual P 0
IV.SSFR.HNZ. 2018-11-23T19:16:46.06 0.3 undecidable manual P 32 15.2736 124 0.19 73
IV.FOSV.EHE. 2018-11-23T19:16:46.10 0.3 undecidable manual S 113 6.993 146 -0.39 70
IV.ATFO.HHZ. 2018-11-23T19:16:45.27 0.3 undecidable manual P 301 10.2786 135 0.19 73
IV.MURB.HNZ. 2018-11-23T19:16:45.94 0.3 positive manual P 244 14.0748 126 0.26 72
IV.ATCC.EHZ. 2018-11-23T19:16:45.92 0.3 undecidable manual P 193 15.2736 124 0.06 75
IV.FOSV.EHE. 2018-11-23T19:16:44.78 0.1 undecidable manual P 113 6.993 146 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:2.2 0.0020839725 0.1792 AML other m 2018-11-23T19:16:47.29
IV.ATFO.HHN. ML:2.2 0.0018287050000000001 0.1024 AML other m 2018-11-23T19:16:47.21
IV.MURB.HNE. ML:2.6 0.004072617 0.2432 AML other m 2018-11-23T19:16:48.97
IV.MURB.HNN. ML:2.5 0.0034473599999999996 0.2304 AML other m 2018-11-23T19:16:49.02
IV.MURB.HHN. ML:2.6 0.0035929315 0.2176 AML other m 2018-11-23T19:16:49.02
IV.MURB.HHE. ML:2.6 0.0041879084999999995 0.1792 AML other m 2018-11-23T19:16:49.47
IV.SSFR.HHN. ML:2.3 0.0020126475 0.1664 AML other m 2018-11-23T19:16:50.09
IV.SSFR.HNN. ML:2.4 0.0024083715 0.064 AML other m 2018-11-23T19:16:50.10
IV.SSFR.HHE. ML:2.3 0.0019519415 1.8208 AML other m 2018-11-23T19:16:50.05
IV.SSFR.HNE. ML:2.4 0.0021617094999999997 0.1536 AML other m 2018-11-23T19:16:51.14
IV.MAGO.HHN. ML:2.2 0.000063144455 0.7936 AML other m 2018-11-23T19:17:20.40
IV.MAGO.HHE. ML:2.4 0.000104046725 1.1904 AML other m 2018-11-23T19:17:46.08
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 Download