Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 07-05-2020 and time 16:54:22 (UTC) in region 4 km SW Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km SW Pietralunga (PG), on

  • 07-05-2020 16:54:22 (UTC)
  • 07-05-2020 18:54:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4220, 12.4040 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
Pietralunga PG 4 2111 2111
Montone PG 9 1680 3791
Città di Castello PG 14 39913 43704
Umbertide PG 14 16681 60385
Apecchio PU 15 1882 62267
Gubbio PG 16 32216 94483
Cantiano PU 19 2245 96728
Monte Santa Maria Tiberina PG 19 1183 97911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
42 Km E of Arezzo (99543 inhabitants)
57 Km NW of Foligno (57155 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
68 Km SW of Fano (60888 inhabitants)
72 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
87 Km E of Siena (53903 inhabitants)
93 Km W of Ancona (100861 inhabitants)
94 Km SE of Forlì (117913 inhabitants)
98 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
Bulletin
Rev1000 		ML 0.7 2020-05-07
16:54:22		 43.4215 12.4035 8 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79997331
Reviewed
Rev100 		ML 0.7 2020-05-07
16:54:22		 43.4187 12.4043 6 2020-05-07
16:57:10		 Sala Sismica INGV-Roma 78923291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-07 16:54:22 ± 0.11
Latitude 43.4215 ± 0.0027
Longitude 12.4035 ± 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 79997331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 43
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25631
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 79997331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 09:21:17

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 78923291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-07 16:57:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2020-05-07T16:54:59.49 3.0 undecidable manual S -0.03 0
GU.RNCA.HHZ. 2020-05-07T16:54:53.10 3.0 undecidable manual Pg 4.49 0
IV.IMOL.HNZ. 2020-05-07T16:54:30.42 3.0 positive manual P 0 0
IV.NARO.HHZ. 2020-05-07T16:54:30.84 0.6 undecidable manual S 34 25.3524 106 -0.55 43
IV.MURB.HHZ. 2020-05-07T16:54:29.69 0.6 undecidable manual S 151 20.0688 110 0.04 48
IV.FRON.EHZ. 2020-05-07T16:54:28.00 1.0 undecidable manual P 68 28.0497 105 -0.02 24
IV.PIEI.HHZ. 2020-05-07T16:54:28.72 0.3 undecidable manual S 40 16.4724 114 0.22 70
IV.PARC.HHZ. 2020-05-07T16:54:27.93 0.6 undecidable manual P 332 28.4493 105 -0.18 46
IV.ATBU.EHZ. 2020-05-07T16:54:27.58 0.3 undecidable manual S 63 13.0758 120 0.13 72
IV.NARO.HHZ. 2020-05-07T16:54:27.52 0.6 undecidable manual P 34 25.3524 106 0.01 48
IV.ATTE.HNZ. 2020-05-07T16:54:27.35 0.1 undecidable manual P 189 25.1526 107 -0.11 95
IV.ATLO.EHZ. 2020-05-07T16:54:27.32 0.6 undecidable manual S 179 11.7771 122 0.27 47
IV.ATFO.HNZ. 2020-05-07T16:54:27.30 0.6 undecidable manual S 114 14.874 117 -0.67 41
IV.ATPC.HHZ. 2020-05-07T16:54:26.12 0.3 undecidable manual S 33 7.881 134 0.15 72
IV.MURB.HHZ. 2020-05-07T16:54:26.32 0.6 undecidable manual P 151 20.0688 110 -0.19 47
IV.ATVO.HHZ. 2020-05-07T16:54:25.01 0.3 undecidable manual S 177 4.3956 150 -0.2 72
IV.ATBU.EHZ. 2020-05-07T16:54:25.26 0.1 undecidable manual P 63 13.0758 120 0.03 98
IV.ATLO.EHZ. 2020-05-07T16:54:25.17 0.1 undecidable manual P 179 11.7771 122 0.17 96
IV.ATFO.HNZ. 2020-05-07T16:54:25.85 0.6 undecidable manual P 114 14.874 117 0.31 46
IV.BADI.EHZ. 2020-05-07T16:54:25.53 0.1 undecidable manual P 307 16.1727 115 -0.24 94
IV.PIEI.HHZ. 2020-05-07T16:54:25.76 0.6 undecidable manual P 40 16.4724 114 -0.08 48
IV.TB02.DHZ. 2020-05-07T16:54:25.50 0.6 undecidable manual S 175 5.6943 143 0.03 50
IV.TB01.DHZ. 2020-05-07T16:54:24.00 0.1 undecidable manual P 150 5.0949 146 -0.02 100
IV.ATPI.EHZ. 2020-05-07T16:54:24.01 0.1 undecidable manual P 358 3.1968 157 0.17 97
IV.TB02.DHZ. 2020-05-07T16:54:24.36 0.1 undecidable manual P 175 5.6943 143 0.27 95
IV.ATVO.HHZ. 2020-05-07T16:54:24.06 0.1 positive manual P 177 4.3956 150 0.12 98
IV.ATPC.HHZ. 2020-05-07T16:54:24.52 0.1 undecidable manual P 33 7.881 134 0.14 97
IV.TB01.DHZ. 2020-05-07T16:54:24.88 0.6 undecidable manual S 150 5.0949 146 -0.47 45
IV.ATPI.EHZ. 2020-05-07T16:54:24.97 0.3 undecidable manual S 358 3.1968 157 -0.07 74
IV.TB03.DHZ. 2020-05-07T16:54:23.75 0.1 undecidable manual P 166 2.2977 163 -0.03 100
TV.SF04.EHZ. 2020-05-07T16:54:19.27 3.0 undecidable manual P -6.64 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.9 0.0001275 0.12 AML other m 2020-05-07T16:54:25.15
IV.ATVO.HHN. ML:0.8 0.00011499999999999999 0.4 AML other m 2020-05-07T16:54:25.36
IV.ATPI.EHE. ML:0.7 0.00008804999999999999 0.42 AML other m 2020-05-07T16:54:25.05
IV.ATVO.HHE. ML:0.9 0.000128 0.12 AML other m 2020-05-07T16:54:25.36
IV.PIEI.HHN. ML:0.7 0.00004475 0.16 AML other m 2020-05-07T16:54:29.18
IV.PIEI.HHE. ML:0.8 0.00005995 0.18 AML other m 2020-05-07T16:54:29.21
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