Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 06-07-2020 and time 18:23:44 (Italy) in region 2 km E Massa Martana (PG)

A magnitude ML 2.0 earthquake occured in region: 2 km E Massa Martana (PG), on

  • 06-07-2020 16:23:44 (UTC)
  • 06-07-2020 18:23:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7790, 12.5480 at 9 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
Massa Martana PG 2 3770 3770
Giano dell'Umbria PG 7 3846 7616
Acquasparta TR 10 4778 12394
Castel Ritaldi PG 11 3278 15672
Todi PG 12 16851 32523
Gualdo Cattaneo PG 15 6155 38678
Montecastrilli TR 15 5022 43700
Montefalco PG 16 5679 49379
Collazzone PG 16 3473 52852
Spoleto PG 16 38218 91070
Avigliano Umbro TR 17 2558 93628
Fratta Todina PG 17 1839 95467
Monte Castello di Vibio PG 17 1567 97034
Bevagna PG 18 5081 102115
San Gemini TR 18 5018 107133
Campello sul Clitunno PG 19 2442 109575
Trevi PG 20 8469 118044

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Foligno (57155 inhabitants)
26 Km NW of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
54 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
94 Km SE of Arezzo (99543 inhabitants)
95 Km W of Teramo (54892 inhabitants)
98 Km NE of Civitavecchia (52991 inhabitants)
99 Km N of Roma (2864731 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 2.0 2020-07-06
16:23:44		 42.7788 12.5482 9 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81056261
Reviewed
Rev100 		ML 2.0 2020-07-06
16:23:43		 42.7772 12.5355 9 2020-07-06
16:31:28		 Sala Sismica INGV-Roma 80833361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-06 16:23:44 ± 0.05
Latitude 42.7788 ± 0.0027
Longitude 12.5482 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81056261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79140
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 80833361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-06 16:31:28

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 81056261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-15 14:29:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2020-07-06T16:24:41.14 3.0 undecidable manual Sg 14 0
AC.VLO.HHZ. 2020-07-06T16:24:38.77 3.0 negative manual Pn 2.83 0
IV.ECTS.HHZ. 2020-07-06T16:24:36.09 3.0 undecidable manual Pn 1.96 0
SL.KOGS.BHZ. 2020-07-06T16:24:35.27 3.0 undecidable manual Sn -1.22 0
IV.ROSPO.HHZ. 2020-07-06T16:24:29.47 3.0 undecidable manual Sn 1.44 0
IV.MPNC.HHZ. 2020-07-06T16:24:25.97 3.0 positive manual Pn -5.92 0
IX.STN3.HHZ.02 2020-07-06T16:24:24.44 3.0 undecidable manual Pg 18.66 0
IV.VVLD.HHZ. 2020-07-06T16:24:19.09 3.0 undecidable manual Sn 0.35 0
IV.RCAV.EHZ. 2020-07-06T16:24:09.97 3.0 undecidable manual Sn -2.86 0
IV.CSP1.EHZ. 2020-07-06T16:24:04.33 0.3 undecidable manual S 57 63.5919 50 0.3 65
IV.RM33.EHZ. 2020-07-06T16:24:03.89 0.6 undecidable manual S 119 62.0934 50 0.28 44
IV.MC2.EHZ. 2020-07-06T16:24:02.11 0.3 undecidable manual S 74 54.2013 50 0.62 61
IV.FDMO.HHZ. 2020-07-06T16:24:01.04 0.6 undecidable manual S 57 52.3032 50 0.04 47
IV.MML1.HNZ. 2020-07-06T16:24:00.56 0.3 undecidable manual S 43 50.616 50 0.01 71
IV.NRCA.HHZ. 2020-07-06T16:23:59.44 0.6 undecidable manual S 82 46.5201 50 0 48
IV.TERO.HHZ. 2020-07-06T16:23:59.21 0.1 undecidable manual P 101 87.8454 50 -0.09 87
IV.LNSS.HHZ. 2020-07-06T16:23:58.56 0.3 undecidable manual S 116 44.622 50 -0.39 66
IV.MGAB.HHZ. 2020-07-06T16:23:57.19 0.1 undecidable manual S 293 38.4282 50 -0.1 95
IV.CAMP.HHZ. 2020-07-06T16:23:57.08 0.3 undecidable manual P 111 75.2691 50 -0.28 64
IV.BARO.HNZ. 2020-07-06T16:23:57.66 0.6 undecidable manual P 215 71.5728 50 0.87 35
IV.MF5.EHZ. 2020-07-06T16:23:57.94 0.3 undecidable manual P 72 77.6667 50 0.21 65
IV.CESI.HNZ. 2020-07-06T16:23:57.13 0.1 undecidable manual S 49 38.3283 50 -0.14 95
IV.GATE.HHZ. 2020-07-06T16:23:56.73 3.0 positive manual Pg 6.24 0
IV.SMA1.EHZ. 2020-07-06T16:23:56.04 0.1 undecidable manual P 104 66.2781 50 0.06 91
IV.ASSB.HHZ. 2020-07-06T16:23:55.00 0.1 undecidable manual S 17 30.5472 106 -0.06 97
IV.RM33.EHZ. 2020-07-06T16:23:55.02 0.1 undecidable manual P 119 62.0934 50 -0.31 87
IV.CSP1.EHZ. 2020-07-06T16:23:55.60 0.1 undecidable manual P 57 63.5919 50 0.03 92
IV.MC2.EHZ. 2020-07-06T16:23:54.15 0.1 undecidable manual P 74 54.2013 50 0.04 94
IV.SACS.HNZ. 2020-07-06T16:23:54.09 0.1 undecidable manual P 279 52.503 50 0.23 90
IV.ARRO.EHZ. 2020-07-06T16:23:54.86 0.3 undecidable manual S 141 28.3494 107 0.53 66
IV.MURB.HNZ. 2020-07-06T16:23:54.21 0.1 undecidable manual P 358 53.7018 50 0.16 92
IV.GAVE.EHZ. 2020-07-06T16:23:54.89 0.3 undecidable manual S 109 29.8479 106 0.1 73
IV.ATVA.EHZ. 2020-07-06T16:23:54.97 0.3 undecidable manual P 339 59.3961 50 0.05 70
IV.MML1.HNZ. 2020-07-06T16:23:53.52 0.3 undecidable manual P 43 50.616 50 -0.05 71
IV.ATTE.HHZ. 2020-07-06T16:23:53.26 0.3 undecidable manual P 341 49.1175 50 -0.07 71
IV.FDMO.HHZ. 2020-07-06T16:23:53.74 0.1 negative manual P 57 52.3032 50 -0.09 93
IV.VITU.HHZ. 2020-07-06T16:23:52.58 3.0 undecidable manual Pn 0.42 0
IV.ATCC.HNZ. 2020-07-06T16:23:52.72 0.3 undecidable manual P 9 45.7209 50 -0.09 71
IV.NRCA.HHZ. 2020-07-06T16:23:52.80 0.1 negative manual P 82 46.5201 50 -0.13 93
IV.FEMA.HNZ. 2020-07-06T16:23:52.89 0.1 undecidable manual P 63 45.5211 50 0.1 94
IV.LNSS.HHZ. 2020-07-06T16:23:52.37 0.1 undecidable manual P 116 44.622 50 -0.28 91
IV.CESI.HNZ. 2020-07-06T16:23:51.60 0.1 undecidable manual P 49 38.3283 50 -0.07 96
IV.MGAB.HHZ. 2020-07-06T16:23:51.57 0.1 undecidable manual P 293 38.4282 50 -0.12 95
IV.CESX.HHZ. 2020-07-06T16:23:50.99 0.6 undecidable manual S 171 19.1697 114 -0.33 47
IV.GAVE.EHZ. 2020-07-06T16:23:50.00 0.1 undecidable manual P 109 29.8479 106 -0.25 94
IV.ASSB.HHZ. 2020-07-06T16:23:50.37 0.1 undecidable manual P 17 30.5472 106 -0.03 98
IV.ARRO.EHZ. 2020-07-06T16:23:49.94 0.1 undecidable manual P 141 28.3494 107 -0.03 98
IV.PTRJ.HHZ. 2020-07-06T16:23:48.96 3.0 undecidable manual Pn -0.59 0
IV.CESX.HHZ. 2020-07-06T16:23:48.27 0.1 undecidable manual P 171 19.1697 114 0.03 100
IV.PAOL.HHZ. 2020-07-06T16:23:48.29 3.0 undecidable manual Pn -5.17 0
IV.LRP.EHZ. 2020-07-06T16:23:48.06 3.0 positive manual Pg 7.28 0
IV.MOMA.HHZ. 2020-07-06T16:23:47.05 0.6 undecidable manual S 33 3.2967 159 -0.18 50
IT.GNU.HGZ. 2020-07-06T16:23:47.05 3.0 undecidable manual S -0.22 0
IV.MOMA.HHZ. 2020-07-06T16:23:46.10 0.1 positive manual P 33 3.2967 159 0.22 99
IT.GNU.HGZ. 2020-07-06T16:23:46.09 3.0 undecidable manual P 0.24 0
IV.ZONE.HHZ. 2020-07-06T16:23:24.51 3.0 undecidable manual Sg -0.1 0
IV.CAPR.HNZ. 2020-07-06T16:23:22.41 3.0 undecidable manual S -1.17 0
IV.EUCT.HNZ. 2020-07-06T16:23:16.43 3.0 negative manual Pg 6.56 0
GU.RNCA.HHZ. 2020-07-06T16:23:11.89 3.0 undecidable manual Pn 1.41 0
IV.RIBO.EHZ.01 2020-07-06T16:23:11.21 3.0 undecidable manual Pn -3.71 0
IV.CAPR.HNZ. 2020-07-06T16:23:06.47 3.0 undecidable manual P -0.98 0
IV.ZONE.HHZ. 2020-07-06T16:23:05.65 3.0 negative manual P -2.38 0
GU.GSCL.HHZ. 2020-07-06T16:23:04.79 3.0 undecidable manual Sn 2.41 0
IV.FIR.HHZ. 2020-07-06T16:23:03.51 3.0 undecidable manual Pn -0.56 0
IT.FIE.HGZ. 2020-07-06T16:23:02.53 3.0 undecidable manual Pn -1.22 0
IV.SBPO.HNZ. 2020-07-06T16:22:53.92 3.0 negative manual P -1.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIR.HHN. ML:2.7 0.000244 1.16 AML other m 2020-07-06T16:23:12.62
IV.FIR.HHE. ML:2.8 0.0003235 0.06 AML other m 2020-07-06T16:23:13.03
IV.CESX.HHN. ML:2.0 0.0008445 1.06 AML other m 2020-07-06T16:23:52.71
IV.CESX.HHE. ML:1.8 0.0005949999999999999 0.22 AML other m 2020-07-06T16:23:54.21
IV.ASSB.HHN. ML:1.9 0.00039249999999999995 0.56 AML other m 2020-07-06T16:23:55.40
IV.ASSB.HHE. ML:1.9 0.0003685 0.2 AML other m 2020-07-06T16:23:55.30
IV.GAVE.EHN. ML:2.1 0.000619 0.12 AML other m 2020-07-06T16:23:55.23
IV.ARRO.EHN. ML:1.8 0.0003135 0.18 AML other m 2020-07-06T16:23:55.46
IV.ARRO.EHE. ML:1.9 0.0003965 0.26 AML other m 2020-07-06T16:23:56.36
IV.GAVE.EHE. ML:2.2 0.0008445 0.22 AML other m 2020-07-06T16:23:56.67
IV.NRCA.HHE. ML:2.4 0.0007185000000000001 0.14 AML other m 2020-07-06T16:23:59.81
IV.LNSS.HHN. ML:2.2 0.000429 0.68 AML other m 2020-07-06T16:24:00.37
IV.NRCA.HHN. ML:2.2 0.00048699999999999997 0.44 AML other m 2020-07-06T16:24:00.26
IV.LNSS.HHE. ML:2.4 0.0007070000000000001 0.3 AML other m 2020-07-06T16:24:00.53
IV.FDMO.HHE. ML:2.0 0.00026250000000000004 1.8 AML other m 2020-07-06T16:24:02.05
IV.FDMO.HHN. ML:1.9 0.00020150000000000002 0.14 AML other m 2020-07-06T16:24:02.76
IV.RM33.EHN. ML:2.0 0.00017649999999999998 0.3 AML other m 2020-07-06T16:24:05.92
IV.RM33.EHE. ML:1.9 0.000152 0.42 AML other m 2020-07-06T16:24:06.05
IV.CSP1.EHE. ML:2.1 0.00023649999999999998 0.2 AML other m 2020-07-06T16:24:06.60
IV.SMA1.EHE. ML:2.4 0.0005204999999999999 1.6 AML other m 2020-07-06T16:24:06.08
IV.SMA1.EHN. ML:2.3 0.00038349999999999994 0.28 AML other m 2020-07-06T16:24:07.02
IV.CSP1.EHN. ML:2.0 0.000215 0.3 AML other m 2020-07-06T16:24:07.20
IV.CAMP.HHE. ML:1.5 0.000048100000000000004 0.72 AML other m 2020-07-06T16:24:09.57
IV.CAMP.HHN. ML:1.5 0.000049850000000000006 0.32 AML other m 2020-07-06T16:24:10.20
IV.TERO.HHE. ML:1.7 0.00006500000000000001 0.48 AML other m 2020-07-06T16:24:13.07
IV.TERO.HHN. ML:1.8 0.0000704 0.46 AML other m 2020-07-06T16:24:15.30
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
Waveforms Seismic signals in miniseed + resp format Download