Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 09-03-2020 and time 22:54:05 (Italy) in region 5 km SW Valfabbrica (PG)

A magnitude ML 1.5 earthquake occured in region: 5 km SW Valfabbrica (PG), on

  • 09-03-2020 21:54:05 (UTC)
  • 09-03-2020 22:54:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1260, 12.5640 at 8 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
Valfabbrica PG 5 3389 3389
Bastia Umbra PG 7 21874 25263
Assisi PG 7 28299 53562
Bettona PG 14 4367 57929
Perugia PG 14 166134 224063
Cannara PG 15 4305 228368
Torgiano PG 15 6725 235093
Spello PG 17 8645 243738
Valtopina PG 17 1398 245136
Nocera Umbra PG 19 5839 250975
Deruta PG 20 9669 260644

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Perugia (166134 inhabitants)
22 Km NW of Foligno (57155 inhabitants)
63 Km N of Terni (111501 inhabitants)
67 Km SE of Arezzo (99543 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
88 Km SW of Fano (60888 inhabitants)
92 Km SW of Pesaro (94582 inhabitants)
95 Km SW of Ancona (100861 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 1.5 2020-03-09
21:54:05		 43.1262 12.5638 8 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77299221
Reviewed
Rev100 		ML 1.5 2020-03-09
21:54:05		 43.1278 12.5585 10 2020-03-09
22:00:28		 Sala Sismica INGV-Roma 77162701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-09 21:54:05 ± 0.1
Latitude 43.1262 ± 0.0054
Longitude 12.5638 ± 0.0062
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77299221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.41009
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 77299221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-22 15:37:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 77162701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-09 22:00:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2020-03-09T21:54:21.05 0.6 undecidable manual S 237 43.623 50 0.78 38
IV.FDMO.HHZ. 2020-03-09T21:54:20.28 0.1 undecidable manual S 103 43.5231 50 0.03 95
IV.ATBU.EHZ. 2020-03-09T21:54:19.33 0.3 undecidable manual S 358 38.8278 50 0.35 67
IV.ATPI.EHE. 2020-03-09T21:54:18.64 0.3 undecidable manual S 340 38.3283 50 -0.2 70
IV.ATVO.HHZ. 2020-03-09T21:54:16.55 0.6 undecidable manual S 336 31.1466 105 -0.16 47
IV.CESI.HHZ. 2020-03-09T21:54:16.16 0.1 undecidable manual S 116 30.747 105 -0.42 90
IV.ATFO.HNZ. 2020-03-09T21:54:15.82 0.6 undecidable manual S 1 26.6511 107 0.59 43
IV.ATVA.EHZ. 2020-03-09T21:54:15.13 0.1 undecidable manual S 307 28.1496 106 -0.59 85
IV.ATLO.EHZ. 2020-03-09T21:54:14.41 0.3 undecidable manual S 329 24.4533 109 -0.1 73
IV.MGAB.HHZ. 2020-03-09T21:54:14.08 0.3 undecidable manual P 237 43.623 50 0.04 71
IV.PIEI.HNN. 2020-03-09T21:54:14.24 0.3 undecidable manual P 357 45.5211 50 -0.09 70
IV.FDMO.HHZ. 2020-03-09T21:54:13.77 0.1 undecidable manual P 103 43.5231 50 -0.26 91
IT.FOPC.HGZ. 2020-03-09T21:54:13.86 0.6 undecidable manual S 147 20.6682 112 0.58 43
IV.ATBU.EHZ. 2020-03-09T21:54:13.63 0.1 undecidable manual P 358 38.8278 50 0.34 90
IV.ATPC.HHE. 2020-03-09T21:54:13.01 0.3 undecidable manual P 348 40.2264 50 -0.51 65
IV.FOSV.EHZ. 2020-03-09T21:54:13.68 0.6 undecidable manual S 40 24.5532 109 -0.86 38
IV.ATPI.EHE. 2020-03-09T21:54:12.83 0.6 undecidable manual P 340 38.3283 50 -0.39 45
IV.ATFO.HNZ. 2020-03-09T21:54:12.04 0.3 undecidable manual P 1 26.6511 107 0.9 56
IV.ATTE.HHZ. 2020-03-09T21:54:12.58 0.6 undecidable manual S 295 18.7701 114 -0.08 49
IV.MURB.HHZ. 2020-03-09T21:54:12.14 0.3 undecidable manual S 348 15.4734 118 0.5 68
IV.ATVA.EHZ. 2020-03-09T21:54:11.99 0.3 undecidable manual P 307 28.1496 106 0.57 65
IV.ATVO.HHZ. 2020-03-09T21:54:11.71 0.1 undecidable manual P 336 31.1466 105 -0.28 92
IV.TB01.DHZ.01 2020-03-09T21:54:11.64 0.1 undecidable manual P 340 30.1476 105 -0.16 95
IV.CESI.HHZ. 2020-03-09T21:54:11.76 0.1 undecidable manual P 116 30.747 105 -0.16 95
IV.FOSV.EHZ. 2020-03-09T21:54:10.88 0.3 undecidable manual P 40 24.5532 109 0.15 72
IV.ATLO.EHZ. 2020-03-09T21:54:10.59 0.1 undecidable manual P 329 24.4533 109 -0.12 97
IT.FOPC.HGZ. 2020-03-09T21:54:10.19 0.3 undecidable manual P 147 20.6682 112 0.18 72
IV.ATTE.HHZ. 2020-03-09T21:54:09.11 0.3 undecidable manual P 295 18.7701 114 -0.54 66
IV.MURB.HHZ. 2020-03-09T21:54:09.38 0.1 undecidable manual P 348 15.4734 118 0.32 94
IV.ATCC.EHZ. 2020-03-09T21:54:09.86 0.1 undecidable manual S 43 8.9799 133 0.08 100
IV.ATCC.EHZ. 2020-03-09T21:54:08.07 0.1 positive manual P 43 8.9799 133 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.5 0.0004335 0.32 AML other m 2020-03-09T21:54:10.52
IV.ATCC.EHE. ML:1.4 0.000378 0.4 AML other m 2020-03-09T21:54:10.63
IV.MURB.HHE. ML:1.6 0.0003475 0.26 AML other m 2020-03-09T21:54:12.35
IV.MURB.HHN. ML:1.5 0.00030300000000000005 0.3 AML other m 2020-03-09T21:54:13.94
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