Earthquake with magnitude of ML 1.5 on date 07-07-2020 and time 12:05:14 (Italy) in region 1 km E Massa Martana (PG)

A magnitude ML 1.5 earthquake occured in region: 1 km E Massa Martana (PG), on

  • 07-07-2020 10:05:14 (UTC)
  • 07-07-2020 12:05:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.78, 12.53 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.

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 1 3770 3770
Giano dell'Umbria PG 7 3846 7616
Acquasparta TR 10 4778 12394
Todi PG 10 16851 29245
Castel Ritaldi PG 13 3278 32523
Montecastrilli TR 15 5022 37545
Gualdo Cattaneo PG 15 6155 43700
Collazzone PG 15 3473 47173
Avigliano Umbro TR 16 2558 49731
Fratta Todina PG 16 1839 51570
Monte Castello di Vibio PG 16 1567 53137
Montefalco PG 16 5679 58816
Spoleto PG 18 38218 97034
San Gemini TR 18 5018 102052
Bevagna PG 19 5081 107133

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Foligno (57155 inhabitants)
26 Km NW of Terni (111501 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
53 Km NE of Viterbo (67173 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
97 Km W of Teramo (54892 inhabitants)
97 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 1.5 2020-07-07
10:05:14
42.78 12.53 9 2020-11-19
12:36:52
Bollettino Sismico Italiano INGV 80904281
Reviewed
Rev100
ML 1.5 2020-07-07
10:05:14
42.78 12.54 8 2020-07-07
10:17:53
Sala Sismica INGV-Roma 80855811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-07 10:05:14 ± 0.19
Latitude 42.78 ± 0.01
Longitude 12.53 ± 0.02
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 80904281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1354
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.58366
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 80904281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-27 09:40:42

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 80855811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-07 10:17:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2020-07-07T10:07:01.27 3.0 undecidable manual Sn -9.99 0
IV.ORZI.HHZ. 2020-07-07T10:06:54.65 3.0 undecidable manual Sg 17.59 0
IV.EUCT.HNZ. 2020-07-07T10:06:51.72 3.0 undecidable manual Sg 9.28 0
IV.ACATE.EHZ. 2020-07-07T10:06:33.33 3.0 undecidable manual Pn -7.17 0
OT.OT05.EHZ. 2020-07-07T10:06:26.58 3.0 undecidable manual Sn 1.55 0
CH.FUORN.HHZ. 2020-07-07T10:06:23.51 3.0 positive manual Pg 9.89 0
CR.STON.BHZ. 2020-07-07T10:06:22.68 3.0 negative manual Pg 11.86 0
CH.MUGIO.HHZ. 2020-07-07T10:06:13.28 3.0 undecidable manual Pn 1.8 0
GU.CANO.HHZ. 2020-07-07T10:06:07.44 3.0 undecidable manual Pg 3.85 0
IV.PZUN.HHZ. 2020-07-07T10:06:04.25 3.0 undecidable manual Pn 0.58 0
IV.SEI.HHZ. 2020-07-07T10:05:59.49 3.0 undecidable manual Sg 3.72 0
IV.PTRJ.HNZ. 2020-07-07T10:05:50.40 3.0 undecidable manual Pg 3.16 0
IV.RIBO.EHZ.01 2020-07-07T10:05:42.90 3.0 undecidable manual Sn -2.86 0
IV.CSP1.EHZ. 2020-07-07T10:05:34.80 0.3 undecidable manual S 57 0.5837 50 0.25 66
IV.MC2.EHZ. 2020-07-07T10:05:32.50 0.3 undecidable manual S 74 0.5 50 0.43 65
IV.NRCA.HHZ. 2020-07-07T10:05:29.80 0.3 undecidable manual S 83 0.4308 50 -0.23 67
IV.RIBO.EHZ.01 2020-07-07T10:05:28.56 3.0 negative manual Pn -3.24 0
IV.CESI.HNZ. 2020-07-07T10:05:27.50 0.3 undecidable manual S 50 0.3543 50 -0.26 69
IV.CSP1.EHZ. 2020-07-07T10:05:25.89 0.1 undecidable manual P 57 0.5837 50 -0.08 91
IV.MC2.EHZ. 2020-07-07T10:05:24.49 0.1 undecidable manual P 74 0.5 50 -0.05 93
IV.NRCA.HHZ. 2020-07-07T10:05:23.04 0.1 undecidable manual P 83 0.4308 50 -0.32 89
IV.CESX.HHZ. 2020-07-07T10:05:21.40 0.6 undecidable manual S 167 0.1754 114 -0.26 47
IV.CESI.HNZ. 2020-07-07T10:05:21.94 0.1 undecidable manual P 50 0.3543 50 -0.11 95
IV.GAVE.EHN. 2020-07-07T10:05:21.13 0.3 undecidable manual P 108 0.2806 105 0.4 68
IV.ASSB.HHE. 2020-07-07T10:05:20.77 0.1 undecidable manual P 20 0.2788 106 0.07 96
IV.ARRO.EHZ. 2020-07-07T10:05:20.59 0.3 undecidable manual P 139 0.2644 106 0.21 71
IV.CESX.HHZ. 2020-07-07T10:05:18.52 0.3 undecidable manual P 167 0.1754 114 -0.01 75
IV.MOMA.HNZ. 2020-07-07T10:05:17.40 0.3 undecidable manual S 50 0.0378 154 -0.18 73
IT.GNU.HGN. 2020-07-07T10:05:17.50 0.3 undecidable manual S 50 0.0378 154 -0.08 74
IT.GNU.HGN. 2020-07-07T10:05:16.31 0.1 undecidable manual P 50 0.0378 154 0.13 100
IV.MOMA.HNZ. 2020-07-07T10:05:16.32 0.1 undecidable manual P 50 0.0378 154 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.4 0.00020156765 0.3392 AML other m 2020-07-07T10:05:21.64
IV.CESX.HHE. ML:1.2 0.000117713885 1.7248 AML other m 2020-07-07T10:05:21.07
IV.NRCA.HNE. ML:1.6 0.0001274212 1.7952 AML other m 2020-07-07T10:05:29.93
IV.NRCA.HHE. ML:1.6 0.000119710965 0.1344 AML other m 2020-07-07T10:05:30.10
IV.NRCA.HHN. ML:1.4 7.298941E-5 0.1792 AML other m 2020-07-07T10:05:30.34
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