Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 27-07-2020 and time 23:30:40 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km W Gubbio (PG), on

  • 27-07-2020 21:30:40 (UTC)
  • 27-07-2020 23:30:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3750, 12.5200 at 6 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
Gubbio PG 5 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 14 2245 37965
Costacciaro PG 16 1216 39181
Montone PG 16 1680 40861
Umbertide PG 17 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
49 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
96 Km E of Siena (53903 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 0.9 2020-07-27
21:30:40		 43.3747 12.5205 6 2020-07-27
21:58:07		 Sala Sismica INGV-Roma 81407391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-27 21:30:40 ± 0.11
Latitude 43.3747 ± 0.0027
Longitude 12.5205 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81407391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 81
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
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) 0.24192
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 81407391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-27 21:58:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-07-27T21:30:56.08 3.0 undecidable manual S 0.09 0
IV.FDMO.HHZ. 2020-07-27T21:30:50.50 3.0 negative manual P -0.27 0
IV.NARO.HHZ. 2020-07-27T21:30:49.47 0.3 undecidable manual S 10 26.6511 103 -0.14 71
IV.BADI.EHZ. 2020-07-27T21:30:49.85 0.6 undecidable manual S 304 26.8509 103 0.18 47
IV.FRON.EHZ. 2020-07-27T21:30:48.53 0.6 undecidable manual S 46 22.9548 105 0.17 48
IV.APEC.HHZ. 2020-07-27T21:30:48.41 0.6 undecidable manual S 338 21.9669 106 0.38 46
IV.CAFI.HHZ. 2020-07-27T21:30:48.44 3.0 undecidable manual P -0.14 0
IV.SSFR.HHZ. 2020-07-27T21:30:48.35 0.6 undecidable manual S 72 22.1556 106 0.24 47
IV.ATCC.EHZ. 2020-07-27T21:30:48.92 0.3 undecidable manual S 155 23.1546 105 0.49 67
IV.PIEI.HHZ. 2020-07-27T21:30:47.09 0.3 undecidable manual S 4 17.871 109 0.4 69
IV.ASSB.HHZ. 2020-07-27T21:30:47.26 3.0 positive manual P 0.02 0
IV.ATMI.HHZ. 2020-07-27T21:30:47.75 0.6 undecidable manual S 258 20.868 107 0.08 49
IV.PARC.HHZ. 2020-07-27T21:30:47.71 3.0 positive manual P 0.16 0
IV.ARVD.HHZ. 2020-07-27T21:30:46.99 3.0 negative manual P -0.2 0
IV.NARO.HHZ. 2020-07-27T21:30:45.29 0.6 positive manual P 10 26.6511 103 -0.31 46
IV.BADI.EHZ. 2020-07-27T21:30:45.45 0.1 undecidable manual P 304 26.8509 103 -0.18 94
IV.MURB.HHZ. 2020-07-27T21:30:45.15 0.6 undecidable manual S 178 12.3765 117 0.22 48
IV.ATPI.EHZ. 2020-07-27T21:30:45.17 0.6 undecidable manual S 312 12.6762 116 0.14 49
IV.SSFR.HHZ. 2020-07-27T21:30:44.54 0.1 negative manual P 72 22.1556 106 -0.19 95
IV.ATCC.EHZ. 2020-07-27T21:30:44.69 0.6 undecidable manual P 155 23.1546 105 -0.23 47
IV.FRON.EHZ. 2020-07-27T21:30:44.72 0.3 undecidable manual P 46 22.9548 105 -0.16 72
IV.ATMI.HHZ. 2020-07-27T21:30:44.49 1.0 positive manual P 258 20.868 107 0.01 25
IV.APEC.HHZ. 2020-07-27T21:30:44.72 0.3 negative manual P 338 21.9669 106 0.03 74
IV.ATVO.HHZ. 2020-07-27T21:30:43.88 0.3 undecidable manual S 275 9.1797 124 -0.09 74
IV.PIEI.HHZ. 2020-07-27T21:30:43.98 0.6 positive manual P 4 17.871 109 0.06 49
IV.MURB.HHZ. 2020-07-27T21:30:42.84 1.0 undecidable manual P 178 12.3765 117 -0.05 25
IV.ATFO.HHZ. 2020-07-27T21:30:42.48 0.6 undecidable manual S 102 4.1958 146 -0.25 48
IV.ATPI.EHZ. 2020-07-27T21:30:42.94 0.1 negative manual P 312 12.6762 116 -0.02 100
IV.ATVO.HHZ. 2020-07-27T21:30:42.17 0.1 positive manual P 275 9.1797 124 -0.17 97
IV.ATFO.HHZ. 2020-07-27T21:30:41.45 0.1 positive manual P 102 4.1958 146 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.0 0.00034402535 0.128 AML other m 2020-07-27T21:30:43.11
IV.ATFO.HHN. ML:0.0 0.0007179742 0.1792 AML other m 2020-07-27T21:30:42.60
IV.ATVO.HHE. ML:0.9 0.0001351575 0.1536 AML other m 2020-07-27T21:30:44.10
IV.ATVO.HHN. ML:1.1 0.00021291175000000002 0.0896 AML other m 2020-07-27T21:30:44.01
IV.MURB.HHE. ML:1.2 0.00021148715 0.3072 AML other m 2020-07-27T21:30:45.40
IV.MURB.HHN. ML:1.2 0.0001826929 0.192 AML other m 2020-07-27T21:30:47.14
IV.MURB.HNE. ML:1.2 0.000202195585 0.256 AML other m 2020-07-27T21:30:45.38
IV.MURB.HNN. ML:1.1 0.00016328653 0.2176 AML other m 2020-07-27T21:30:47.03
IV.ATPI.HNE. ML:0.8 0.00009229448500000001 0.6144 AML other m 2020-07-27T21:30:48.72
IV.ATPI.HNN. ML:0.9 0.00010054815 0.3584 AML other m 2020-07-27T21:30:46.98
IV.ATPI.EHE. ML:0.6 0.000043962500000000005 0.1664 AML other m 2020-07-27T21:30:46.30
IV.ATPI.EHN. ML:0.7 0.00006227358500000001 0.1024 AML other m 2020-07-27T21:30:45.47
IV.PIEI.HHE. ML:1.2 0.00016092509999999997 0.3072 AML other m 2020-07-27T21:30:47.96
IV.PIEI.HHN. ML:1.0 0.00009234233 0.2048 AML other m 2020-07-27T21:30:47.81
IV.ATMI.HHE. ML:0.8 0.00005148331 0.2816 AML other m 2020-07-27T21:30:49.14
IV.ATMI.HHN. ML:0.8 0.00005025205 0.448 AML other m 2020-07-27T21:30:53.20
IV.SSFR.HHE. ML:1.2 0.00012169620000000001 0.2304 AML other m 2020-07-27T21:30:49.11
IV.SSFR.HHN. ML:1.1 0.00008807969 0.256 AML other m 2020-07-27T21:30:49.18
IV.SSFR.HNE. ML:1.1 0.0000871947 0.0896 AML other m 2020-07-27T21:30:49.11
IV.SSFR.HNN. ML:1.3 0.000128422815 0.2432 AML other m 2020-07-27T21:30:48.60
IV.ATCC.EHE. ML:1.0 0.000071098385 0.32 AML other m 2020-07-27T21:30:49.54
IV.ATCC.EHN. ML:1.0 0.000061751305 0.2432 AML other m 2020-07-27T21:30:49.67
IV.APEC.HHE. ML:1.0 0.00007712906999999999 0.1408 AML other m 2020-07-27T21:30:48.00
IV.APEC.HHN. ML:0.8 0.000048515059999999996 0.128 AML other m 2020-07-27T21:30:48.48
IV.FRON.EHE. ML:0.7 0.000032733979999999994 0.1408 AML other m 2020-07-27T21:30:48.60
IV.FRON.EHN. ML:0.8 0.000039824449999999994 0.0768 AML other m 2020-07-27T21:30:49.17
IV.NARO.HHE. ML:0.5 0.000019965259999999997 0.0512 AML other m 2020-07-27T21:30:50.05
IV.NARO.HHN. ML:0.5 0.000018236180000000002 0.128 AML other m 2020-07-27T21:30:50.34
IV.BADI.EHE. ML:1.2 0.000100623955 0.1792 AML other m 2020-07-27T21:30:49.96
IV.BADI.EHN. ML:1.3 0.0001171211 0.1792 AML other m 2020-07-27T21:30:49.97
IV.ARVD.HHE. ML:0.7 0.000017931585 0.1024 AML other m 2020-07-27T21:30:54.47
IV.ARVD.HHN. ML:0.7 0.000021034669999999998 0.1408 AML other m 2020-07-27T21:30:54.43
IV.ASSB.HHE. ML:0.6 0.0000126400395 0.1408 AML other m 2020-07-27T21:30:54.28
IV.ASSB.HHN. ML:0.7 0.00001992676 0.0896 AML other m 2020-07-27T21:30:54.25
IV.PARC.HHE. ML:0.7 0.000019137689999999997 0.4096 AML other m 2020-07-27T21:30:54.11
IV.PARC.HHN. ML:0.8 0.000023434535 0.256 AML other m 2020-07-27T21:30:55.24
IV.CAFI.HHE. ML:0.5 0.0000112223095 0.1152 AML other m 2020-07-27T21:30:54.95
IV.CAFI.HHN. ML:0.5 0.0000107263375 0.1792 AML other m 2020-07-27T21:30:55.01
IV.CAFI.HNE. ML:1.6 0.00012175145 0.3968 AML other m 2020-07-27T21:30:58.50
IV.CAFI.HNN. ML:1.7 0.0001423797 0.7936 AML other m 2020-07-27T21:31:02.15
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