Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 04-04-2020 and time 12:23:16 (UTC) in region 7 km W Cantiano (PU)

A magnitude ML 0.3 earthquake occured in region: 7 km W Cantiano (PU), on

  • 04-04-2020 12:23:16 (UTC)
  • 04-04-2020 14:23:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4830, 12.5370 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
Cantiano PU 7 2245 2245
Pietralunga PG 9 2111 4356
Cagli PU 12 8731 13087
Piobbico PU 12 2029 15116
Apecchio PU 13 1882 16998
Scheggia e Pascelupo PG 14 1393 18391
Gubbio PG 15 32216 50607
Frontone PU 17 1300 51907
Acqualagna PU 19 4393 56300
Serra Sant'Abbondio PU 19 1027 57327
Costacciaro PG 20 1216 58543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km N of Perugia (166134 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
56 Km SW of Fano (60888 inhabitants)
57 Km SW of Pesaro (94582 inhabitants)
60 Km N of Foligno (57155 inhabitants)
64 Km S of Rimini (147750 inhabitants)
77 Km SE of Cesena (96758 inhabitants)
81 Km W of Ancona (100861 inhabitants)
92 Km SE of Forlì (117913 inhabitants)
99 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 0.3 2020-04-04
12:23:16		 43.4828 12.537 12 2020-04-04
12:37:46		 Sala Sismica INGV-Roma 77870961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 12:23:16 ± 0.14
Latitude 43.4828 ± 0.0063
Longitude 12.5370 ± 0.0074
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 77870961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 576
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.14119
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77870961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 12:37:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2020-04-04T12:24:49.91 3.0 negative manual Pg 15.25 0
IV.PETRA.HHZ. 2020-04-04T12:24:48.77 3.0 positive manual Pg 13.43 0
IV.PTRJ.HNZ. 2020-04-04T12:24:47.18 3.0 undecidable manual Sg 8.63 0
IV.CMDO.HHZ. 2020-04-04T12:24:46.06 3.0 positive manual Pg 6.95 0
IT.GLNS.HNZ. 2020-04-04T12:24:42.17 3.0 undecidable manual Sg 6.35 0
IV.SACR.HHZ. 2020-04-04T12:24:42.54 3.0 undecidable manual Sg 2.16 0
IV.VITU.HHZ. 2020-04-04T12:24:38.23 3.0 undecidable manual Sn -4.73 0
IV.IST3.HHZ. 2020-04-04T12:24:31.97 3.0 negative manual Pg 3.34 0
MN.TRI.HHZ. 2020-04-04T12:24:30.94 3.0 undecidable manual Sg 7.27 0
IV.SALB.HHZ. 2020-04-04T12:24:27.19 3.0 undecidable manual Pg 3.01 0
IX.STN3.HHZ.02 2020-04-04T12:24:19.93 3.0 undecidable manual Pg 7.26 0
IV.MTMR.HNZ. 2020-04-04T12:24:12.63 3.0 undecidable manual Pg 8.54 0
IV.PTRJ.HNZ. 2020-04-04T12:24:00.12 3.0 positive manual Pg 3.81 0
IT.GLNS.HNZ. 2020-04-04T12:23:58.03 3.0 undecidable manual Pg 3.25 0
IX.MNT3.HHZ.02 2020-04-04T12:23:57.65 3.0 negative manual Pn -7.27 0
IV.SGRT.HHZ. 2020-04-04T12:23:55.32 3.0 undecidable manual Pn -7.8 0
IV.VITU.HHZ. 2020-04-04T12:23:55.99 3.0 undecidable manual Pn -2.8 0
IV.MNTT.EHZ. 2020-04-04T12:23:34.28 3.0 positive manual Pn -1.36 0
IV.NARO.HHZ. 2020-04-04T12:23:22.65 0.6 undecidable manual S 14 14.5743 103 0.07 65
IV.FRON.EHZ. 2020-04-04T12:23:22.88 0.6 undecidable manual S 76 15.6732 100 0.02 66
IV.ATSC.EHZ. 2020-04-04T12:23:22.08 0.6 undecidable manual S 118 13.6752 107 -0.26 62
IV.FRON.EHZ. 2020-04-04T12:23:20.16 1.0 undecidable manual P 76 15.6732 100 0.12 32
IV.PIEI.HHZ. 2020-04-04T12:23:20.47 0.3 undecidable manual S 358 5.8941 145 -0.19 96
IV.ATBU.EHE. 2020-04-04T12:23:20.49 0.6 undecidable manual S 131 1.1988 172 0.28 64
IV.ATPC.HNE. 2020-04-04T12:23:20.55 0.6 undecidable manual S 268 6.4935 142 -0.2 64
IV.ATSC.EHZ. 2020-04-04T12:23:19.67 0.6 undecidable manual P 118 13.6752 107 -0.08 65
IV.NARO.HHZ. 2020-04-04T12:23:19.97 0.3 undecidable manual P 14 14.5743 103 0.08 97
IV.PIEI.HHZ. 2020-04-04T12:23:18.79 0.3 negative manual P 358 5.8941 145 0.01 100
IV.ATBU.EHE. 2020-04-04T12:23:18.75 0.3 undecidable manual P 131 1.1988 172 0.24 96
IV.ATPC.HNE. 2020-04-04T12:23:18.77 0.3 undecidable manual P 268 6.4935 142 -0.06 99
IV.PII.HHZ. 2020-04-04T12:23:16.03 3.0 undecidable manual S -4.04 0
IV.CELB.HHZ. 2020-04-04T12:23:15.50 3.0 negative manual P -9.8 0
IV.FIR.HHZ. 2020-04-04T12:23:12.50 3.0 undecidable manual S 4.45 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 0.000027050070000000002 0.1408 AML other m 2020-04-04T12:23:20.57
IV.PIEI.HHN. ML:0.0 0.000016717045 0.064 AML other m 2020-04-04T12:23:21.16
IV.NARO.HHE. ML:0.3 0.000017868896000000003 0.8192 AML other m 2020-04-04T12:23:22.87
IV.NARO.HHN. ML:0.3 0.000020352278 1.1008 AML other m 2020-04-04T12:23:22.82
IV.FRON.EHE. ML:0.4 0.00001792467 0.224 AML other m 2020-04-04T12:23:23.47
IV.FRON.EHN. ML:0.4 0.0000175652 0.1024 AML other m 2020-04-04T12:23:23.10
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