Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-03-2020 and time 16:15:30 (Italy) in region 7 km NW Valfabbrica (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km NW Valfabbrica (PG), on

  • 27-03-2020 15:15:30 (UTC)
  • 27-03-2020 16:15:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2180, 12.5700 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 7 3389 3389
Gubbio PG 15 32216 35605
Assisi PG 17 28299 63904
Bastia Umbra PG 17 21874 85778
Gualdo Tadino PG 18 15208 100986
Fossato di Vico PG 18 2840 103826
Sigillo PG 19 2404 106230
Perugia PG 19 166134 272364
Costacciaro PG 20 1216 273580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Perugia (166134 inhabitants)
31 Km NW of Foligno (57155 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
73 Km N of Terni (111501 inhabitants)
79 Km SW of Fano (60888 inhabitants)
82 Km SW of Pesaro (94582 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 Km S of Rimini (147750 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.6 2020-03-27
15:15:30		 43.2182 12.5695 11 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77726261
Reviewed
Rev100 		ML 1.5 2020-03-27
15:15:30		 43.2213 12.5765 11 2020-03-27
15:25:04		 Sala Sismica INGV-Roma 77620921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-27 15:15:30 ± 0.06
Latitude 43.2182 ± 0.0036
Longitude 12.5695 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77726261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 425
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
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) 132
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 1.61338
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 77620921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-27 15:25:04

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 77726261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-07 10:58:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZCCA.HHZ. 2020-03-27T15:15:56.15 3.0 positive manual P 179.0874 -3.42 0
IV.RIBO.EHZ.01 2020-03-27T15:15:53.10 3.0 undecidable manual P 126.9729 1.46 0
IV.EL6.EHZ. 2020-03-27T15:15:45.55 0.1 undecidable manual S 74 44.7219 50 0.48 85
IV.FRON.EHZ. 2020-03-27T15:15:42.48 0.3 undecidable manual S 21 35.5422 50 -0.15 69
IV.PIEI.HHZ. 2020-03-27T15:15:42.07 0.3 undecidable manual S 355 35.3424 50 -0.5 64
IV.ATPC.HHE. 2020-03-27T15:15:41.82 0.1 undecidable manual S 343 30.5472 50 0.54 85
IV.ATBU.HNZ. 2020-03-27T15:15:41.16 0.3 undecidable manual S 357 28.6491 50 0.38 67
IV.SNTG.HHZ. 2020-03-27T15:15:41.22 0.3 undecidable manual S 82 30.2475 50 0 72
IV.SSFR.HHZ. 2020-03-27T15:15:40.77 0.3 undecidable manual S 35 29.6481 50 -0.29 68
IV.ATMI.HHZ. 2020-03-27T15:15:40.30 0.3 undecidable manual S 298 27.5502 50 -0.19 70
IV.ATVO.HHZ. 2020-03-27T15:15:39.10 0.6 undecidable manual S 324 22.4553 50 -0.03 48
IV.ATVA.EHE. 2020-03-27T15:15:39.39 0.1 undecidable manual S 286 23.9538 50 -0.14 95
IV.EL6.EHZ. 2020-03-27T15:15:39.38 0.3 undecidable manual P 74 44.7219 50 0.42 64
IV.MF5.EHZ. 2020-03-27T15:15:39.48 3.0 undecidable manual P 76.4679 -4.38 0
IV.ATSC.EHZ. 2020-03-27T15:15:39.62 0.1 undecidable manual S 22 24.753 50 -0.11 95
IV.ARVD.HHE. 2020-03-27T15:15:38.59 0.1 undecidable manual P 44 43.2234 50 -0.14 91
IV.PIEI.HHZ. 2020-03-27T15:15:37.61 0.1 undecidable manual P 355 35.3424 50 0.09 93
IV.ATLO.EHE. 2020-03-27T15:15:37.26 0.3 undecidable manual S 309 16.9719 122 -0.32 69
IV.CESI.HHE. 2020-03-27T15:15:37.33 0.1 undecidable manual P 131 36.0417 50 -0.29 90
IV.ATFO.HHZ. 2020-03-27T15:15:37.40 0.3 undecidable manual S 1 16.4724 123 -0.04 73
IV.FRON.EHZ. 2020-03-27T15:15:37.41 0.1 undecidable manual P 21 35.5422 50 -0.14 93
IV.ATTE.HHE. 2020-03-27T15:15:37.82 0.1 undecidable manual S 263 17.5713 121 0.05 97
IV.SNTG.HHZ. 2020-03-27T15:15:36.56 0.1 undecidable manual P 82 30.2475 50 -0.18 93
IV.ATPC.HHE. 2020-03-27T15:15:36.79 0.6 undecidable manual P 343 30.5472 50 0.01 48
IV.SSFR.HHZ. 2020-03-27T15:15:36.51 0.1 undecidable manual P 35 29.6481 50 -0.13 94
IV.ATMI.HHZ. 2020-03-27T15:15:36.58 0.1 undecidable manual P 298 27.5502 50 0.26 91
IV.TB03.DHZ.01 2020-03-27T15:15:36.06 0.3 undecidable manual P 328 24.0537 50 0.28 69
IV.ATBU.HNZ. 2020-03-27T15:15:36.53 0.3 undecidable manual P 357 28.6491 50 0.05 72
IV.ATSC.EHZ. 2020-03-27T15:15:35.76 0.1 undecidable manual P 22 24.753 50 -0.12 95
IV.ATVO.HHZ. 2020-03-27T15:15:35.40 0.1 undecidable manual P 324 22.4553 50 -0.13 95
IV.ATVA.EHE. 2020-03-27T15:15:35.72 0.1 undecidable manual P 286 23.9538 50 -0.04 96
IV.ATCC.EHZ. 2020-03-27T15:15:34.88 0.3 undecidable manual S 123 6.7932 148 -0.15 73
IV.ATTE.HHE. 2020-03-27T15:15:34.96 0.1 undecidable manual P 263 17.5713 121 0.21 94
IV.ATLO.EHE. 2020-03-27T15:15:34.55 0.1 undecidable manual P 309 16.9719 122 -0.09 97
IV.MURB.HHZ. 2020-03-27T15:15:34.91 0.1 undecidable manual S 324 6.1938 150 -0.01 100
IV.ATFO.HHZ. 2020-03-27T15:15:34.80 0.1 undecidable manual P 1 16.4724 123 0.25 94
IV.MURB.HHZ. 2020-03-27T15:15:33.18 0.1 positive manual P 324 6.1938 150 0.08 99
IV.ATCC.EHZ. 2020-03-27T15:15:33.24 0.1 positive manual P 123 6.7932 148 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.6 0.0006333195000000001 0.0768 AML other m 2020-03-27T15:15:35.09
IV.ATCC.EHE. ML:1.8 0.0008000655500000001 0.1024 AML other m 2020-03-27T15:15:35.16
IV.MURB.HNN. ML:1.6 0.0005903357999999999 0.1536 AML other m 2020-03-27T15:15:35.29
IV.MURB.HHN. ML:1.6 0.0006067358499999999 0.1536 AML other m 2020-03-27T15:15:35.29
IV.MURB.HNE. ML:1.7 0.0008151891 0.192 AML other m 2020-03-27T15:15:35.40
IV.MURB.HHE. ML:1.7 0.000736673 0.256 AML other m 2020-03-27T15:15:35.65
IV.PIEI.HHE. ML:0.9 0.00002969538 0.1792 AML other m 2020-03-27T15:15:43.74
IV.PIEI.HHN. ML:1.1 0.000056743585 0.3872 AML other m 2020-03-27T15:15:51.76
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