Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 24-04-2019 and time 00:49:24 (Italy) in region 4 km E Nocera Umbra (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km E Nocera Umbra (PG), on

  • 23-04-2019 22:49:24 (UTC)
  • 24-04-2019 00:49:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0950, 12.8360 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Nocera Umbra PG 4 5839 5839
Valtopina PG 8 1398 7237
Serravalle di Chienti MC 10 1070 8307
Sefro MC 11 422 8729
Fiuminata MC 13 1402 10131
Pioraco MC 15 1134 11265
Gualdo Tadino PG 16 15208 26473
Muccia MC 17 915 27388
Spello PG 17 8645 36033
Monte Cavallo MC 18 145 36178
Assisi PG 18 28299 64477
Pieve Torina MC 18 1458 65935
Foligno PG 19 57155 123090
Camerino MC 19 6974 130064
Esanatoglia MC 20 2034 132098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km S of Fano (60888 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
91 Km S of Pesaro (94582 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
96 Km NE of Viterbo (67173 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
Reviewed
Rev100 		ML 0.4 2019-04-23
22:49:24		 43.0947 12.8362 10 2019-04-23
23:03:08		 Sala Sismica INGV-Roma 67905801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-23 22:49:24 ± 0.16
Latitude 43.0947 ± 0.0036
Longitude 12.8362 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67905801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 113
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 67905801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-23 23:03:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2019-04-23T22:49:36.14 3.0 undecidable manual P -0.02 0
IV.FDMO.HHZ. 2019-04-23T22:49:32.17 0.3 undecidable manual S 107 21.3675 115 -0.28 72
IV.SNTG.HHZ. 2019-04-23T22:49:31.76 0.3 undecidable manual S 25 19.6692 117 -0.19 74
IT.MTCL.HGE. 2019-04-23T22:49:31.41 0.6 undecidable manual S 130 17.2716 120 0.19 49
IV.ATCC.EHZ. 2019-04-23T22:49:31.82 0.6 undecidable manual S 302 18.7701 118 0.15 50
IV.ASSB.HHZ. 2019-04-23T22:49:30.49 0.3 undecidable manual S 248 15.4734 123 -0.19 74
IV.MML1.HNZ. 2019-04-23T22:49:29.58 0.3 undecidable manual S 79 11.1777 132 0.09 76
IV.CESI.HHZ. 2019-04-23T22:49:29.54 0.3 undecidable manual S 151 11.3775 131 0 78
IV.ATCC.EHZ. 2019-04-23T22:49:28.65 0.3 undecidable manual P 302 18.7701 118 0.1 75
IV.SNTG.HHZ. 2019-04-23T22:49:28.67 0.3 undecidable manual P 25 19.6692 117 -0.03 76
IV.FDMO.HHZ. 2019-04-23T22:49:28.88 0.6 positive manual P 107 21.3675 115 -0.12 50
IT.MTCL.HGE. 2019-04-23T22:49:28.46 1.0 undecidable manual P 130 17.2716 120 0.18 25
IV.ASSB.HHZ. 2019-04-23T22:49:27.91 0.3 positive manual P 248 15.4734 123 -0.07 76
IV.MML1.HNZ. 2019-04-23T22:49:27.47 0.1 undecidable manual P 79 11.1777 132 0.19 100
IV.CESI.HHZ. 2019-04-23T22:49:27.38 0.6 undecidable manual P 151 11.3775 131 0.07 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.5 0.000027791455 0.0768 AML other m 2019-04-23T22:49:31.11
IV.ASSB.HHN. ML:0.5 0.000030108915 0.0768 AML other m 2019-04-23T22:49:30.73
IV.ATCC.EHE. ML:0.5 0.000025606899999999997 0.0256 AML other m 2019-04-23T22:49:31.97
IV.ATCC.EHN. ML:0.3 0.00001729628 0 AML other m 2019-04-23T22:49:32.46
IV.SNTG.HHE. ML:0.1 0.000008665615 0.0896 AML other m 2019-04-23T22:49:32.42
IV.SNTG.HHN. ML:0.1 0.000011524965000000002 0.0768 AML other m 2019-04-23T22:49:32.06
IV.FDMO.HHE. ML:0.6 0.000028945695 0.1408 AML other m 2019-04-23T22:49:32.47
IV.FDMO.HHN. ML:0.3 0.000016916342500000002 0.1664 AML other m 2019-04-23T22:49:32.56
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