Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 15-09-2019 and time 23:25:40 (Italy) in region 7 km SW Sassoferrato (AN)

A magnitude ML 0.4 earthquake occured in region: 7 km SW Sassoferrato (AN), on

  • 15-09-2019 21:25:40 (UTC)
  • 15-09-2019 23:25:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4050, 12.7890 at 12 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
Sassoferrato AN 7 7285 7285
Costacciaro PG 8 1216 8501
Sigillo PG 9 2404 10905
Serra Sant'Abbondio PU 10 1027 11932
Scheggia e Pascelupo PG 10 1393 13325
Fabriano AN 12 31480 44805
Genga AN 12 1797 46602
Fossato di Vico PG 12 2840 49442
Frontone PU 13 1300 50742
Cantiano PU 15 2245 52987
Arcevia AN 16 4612 57599
Gubbio PG 18 32216 89815
Pergola PU 18 6333 96148
Cerreto d'Esi AN 18 3817 99965
Serra San Quirico AN 19 2850 102815
Gualdo Tadino PG 19 15208 118023
Cagli PU 19 8731 126754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
50 Km N of Foligno (57155 inhabitants)
52 Km SW of Fano (60888 inhabitants)
57 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
75 Km S of Rimini (147750 inhabitants)
93 Km SE of Cesena (96758 inhabitants)
95 Km N of Terni (111501 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 2019-09-15
21:25:40		 43.4052 12.7893 12 2019-09-15
21:35:26		 Sala Sismica INGV-Roma 72442871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-15 21:25:40 ± 0.06
Latitude 43.4052 ± 0.0027
Longitude 12.7893 ± 0.0050
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72442871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29228
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 72442871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-15 21:35:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHZ. 2019-09-15T21:25:51.03 0.3 undecidable manual S 287 28.0497 95 0.36 67
IV.ATVO.HHZ. 2019-09-15T21:25:51.29 0.3 undecidable manual S 265 30.9468 94 -0.16 70
IV.ATPI.HNZ. 2019-09-15T21:25:51.91 0.3 undecidable manual S 279 31.6461 94 0.29 68
IV.ATLO.EHZ. 2019-09-15T21:25:51.74 0.3 undecidable manual S 252 32.4453 94 -0.09 71
IV.MURB.HNZ. 2019-09-15T21:25:50.73 0.3 undecidable manual S 234 26.5512 95 0.45 67
IV.PIEI.HHZ. 2019-09-15T21:25:49.52 0.3 undecidable manual S 305 25.0527 96 -0.36 68
IV.MPAG.EHZ. 2019-09-15T21:25:49.93 0.3 undecidable manual S 354 24.9528 96 0.08 72
IV.APEC.HHZ. 2019-09-15T21:25:49.96 3.0 undecidable manual S -0.01 0
IV.SNTG.HHZ. 2019-09-15T21:25:49.03 0.3 undecidable manual S 144 20.6682 99 0.32 70
IV.ARVD.HHZ. 2019-09-15T21:25:47.62 0.3 undecidable manual S 50 15.9729 108 0.12 72
IV.FOSV.EHZ. 2019-09-15T21:25:46.43 0.3 undecidable manual S 191 12.4764 119 -0.2 72
IV.ATLO.EHZ. 2019-09-15T21:25:46.96 0.3 undecidable manual P 252 32.4453 94 -0.17 70
IV.FRON.EHZ. 2019-09-15T21:25:46.82 0.3 undecidable manual S 338 13.4754 115 -0.06 75
IV.ATPC.HHZ. 2019-09-15T21:25:46.56 0.6 undecidable manual P 287 28.0497 95 0.1 48
IV.ATVO.HHZ. 2019-09-15T21:25:46.75 0.6 undecidable manual P 265 30.9468 94 -0.16 47
IV.ATPI.HNZ. 2019-09-15T21:25:46.96 0.3 undecidable manual P 279 31.6461 94 -0.05 72
IV.EL6.EHZ. 2019-09-15T21:25:46.29 0.6 undecidable manual P 108 26.5512 95 0.06 48
IV.MURB.HNZ. 2019-09-15T21:25:46.28 0.3 undecidable manual P 234 26.5512 95 0.05 73
IV.SNTG.HHZ. 2019-09-15T21:25:45.20 0.3 undecidable manual P 144 20.6682 99 -0.12 71
IV.PIEI.HHZ. 2019-09-15T21:25:45.68 0.3 undecidable manual P 305 25.0527 96 -0.33 69
IV.MPAG.EHZ. 2019-09-15T21:25:45.84 0.3 undecidable manual P 354 24.9528 96 -0.14 71
IV.ATBU.EHZ. 2019-09-15T21:25:45.68 0.3 undecidable manual P 292 20.9679 99 0.31 69
IV.SSFR.HHZ. 2019-09-15T21:25:45.12 0.3 undecidable manual S 350 3.4965 160 0.05 74
IV.FRON.EHZ. 2019-09-15T21:25:44.14 0.3 undecidable manual P 338 13.4754 115 -0.13 73
IV.ARVD.HHZ. 2019-09-15T21:25:44.66 0.1 undecidable manual P 50 15.9729 108 0.02 99
IV.SSFR.HHZ. 2019-09-15T21:25:43.25 0.1 undecidable manual P 350 3.4965 160 0.03 100
IV.ATSC.EHZ. 2019-09-15T21:25:43.59 0.3 undecidable manual P 284 8.5803 135 -0.05 75
IV.FOSV.EHZ. 2019-09-15T21:25:43.98 0.1 undecidable manual P 191 12.4764 119 -0.15 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:0.4 0.0000077172845 0.0512 AML other m 2019-09-15T21:25:54.89
IV.FOSV.EHE. ML:0.4 0.0000254181 0.064 AML other m 2019-09-15T21:25:46.44
IV.FOSV.EHN. ML:0.6 0.00003907405 0.0768 AML other m 2019-09-15T21:25:46.44
IV.FRON.EHE. ML:0.3 0.000018251859999999998 0.1408 AML other m 2019-09-15T21:25:46.74
IV.FRON.EHN. ML:0.6 0.00003424261 0.1408 AML other m 2019-09-15T21:25:46.88
IV.ARVD.HHE. ML:0.4 0.00001934236 0.1408 AML other m 2019-09-15T21:25:47.67
IV.ARVD.HHN. ML:0.3 0.000013101975000000001 0.0768 AML other m 2019-09-15T21:25:47.91
IV.SNTG.HHE. ML:0.2 0.00000775031 0.064 AML other m 2019-09-15T21:25:49.04
IV.SNTG.HHN. ML:0.2 0.0000083305735 0.2304 AML other m 2019-09-15T21:25:49.80
IV.APEC.HHE. ML:0.4 0.000009336332 0.064 AML other m 2019-09-15T21:25:55.14
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