Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 29-06-2020 and time 08:36:58 (Italy) in region 1 km N Stroncone (TR)

A magnitude ML 1.4 earthquake occured in region: 1 km N Stroncone (TR), on

  • 29-06-2020 06:36:58 (UTC)
  • 29-06-2020 08:36:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5040, 12.6620 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
Stroncone TR 1 4917 4917
Terni TR 7 111501 116418
Configni RI 9 633 117051
Colli sul Velino RI 10 533 117584
Greccio RI 10 1558 119142
Cottanello RI 11 563 119705
Labro RI 12 374 120079
Narni TR 12 19785 139864
Arrone TR 13 2763 142627
Montasola RI 13 395 143022
Vacone RI 13 256 143278
Contigliano RI 13 3783 147061
Montefranco TR 14 1276 148337
Calvi dell'Umbria TR 14 1856 150193
Morro Reatino RI 14 373 150566
San Gemini TR 16 5018 155584
Rivodutri RI 16 1253 156837
Montebuono RI 16 883 157720
Torri in Sabina RI 17 1256 158976
Ferentillo TR 17 1913 160889
Tarano RI 17 1444 162333
Otricoli TR 17 1869 164202
Polino TR 18 233 164435
Casperia RI 18 1246 165681
Poggio Bustone RI 18 2055 167736
Rieti RI 20 47698 215434

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km S of Terni (111501 inhabitants)
47 Km E of Viterbo (67173 inhabitants)
51 Km S of Foligno (57155 inhabitants)
56 Km N of Guidonia Montecelio (88673 inhabitants)
61 Km N of Tivoli (56533 inhabitants)
63 Km W of L'Aquila (69753 inhabitants)
69 Km N of Roma (2864731 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
85 Km NE of Civitavecchia (52991 inhabitants)
87 Km W of Teramo (54892 inhabitants)
88 Km NE of Fiumicino (78395 inhabitants)
91 Km N of Velletri (53303 inhabitants)
94 Km N of Pomezia (62966 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 1.4 2020-06-29
06:36:58		 42.5037 12.6622 8 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81027161
Reviewed
Rev100 		ML 1.5 2020-06-29
06:36:58		 42.5042 12.6562 8 2020-06-29
06:46:27		 Sala Sismica INGV-Roma 80608071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-29 06:36:58 ± 0.07
Latitude 42.5037 ± 0.0027
Longitude 12.6622 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81027161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70956
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 81027161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-14 09:55:51

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 80608071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-29 06:46:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2020-06-29T06:38:54.80 3.0 undecidable manual Sg 13.86 0
IV.PZUN.HHZ. 2020-06-29T06:38:27.07 3.0 undecidable manual Sn 3.63 0
IV.ILOS.HHZ. 2020-06-29T06:38:20.86 3.0 positive manual Pg 15.28 0
IV.ERC.EHZ. 2020-06-29T06:38:17.22 3.0 undecidable manual Pg 11.19 0
MN.PDG.HHZ. 2020-06-29T06:38:12.24 3.0 positive manual Pn 0.24 0
GU.GSCL.HHZ. 2020-06-29T06:38:08.32 3.0 undecidable manual Sn 2.61 0
OX.CIMO.HHZ. 2020-06-29T06:37:58.78 3.0 positive manual Pn 2.65 0
IV.IMOL.HNZ. 2020-06-29T06:37:55.38 3.0 undecidable manual Sn -0.4 0
IT.PLTA.HNZ. 2020-06-29T06:37:52.01 3.0 undecidable manual Sn 0.52 0
IV.FIR.HHZ. 2020-06-29T06:37:52.01 3.0 undecidable manual Sg 4.63 0
IV.CSP1.EHZ. 2020-06-29T06:37:23.25 0.3 undecidable manual S 34 78.7656 50 0.03 66
IV.LATE.HHN. 2020-06-29T06:37:21.37 0.3 undecidable manual S 280 71.1732 50 0.19 65
IV.FDMO.HHZ. 2020-06-29T06:37:20.83 0.1 undecidable manual S 30 68.4759 50 0.36 84
IV.CESI.HHN. 2020-06-29T06:37:18.00 0.1 undecidable manual S 19 58.9965 50 0.06 91
IV.ASSB.HHZ. 2020-06-29T06:37:18.54 0.1 undecidable manual S 360 59.7957 50 0.4 85
IV.NRCA.HHZ. 2020-06-29T06:37:16.17 0.1 undecidable manual S 45 51.9036 50 0.12 91
IV.FIAM.HHZ. 2020-06-29T06:37:14.42 0.1 undecidable manual S 125 45.5211 50 0.08 93
IV.RM33.EHZ. 2020-06-29T06:37:13.92 0.1 undecidable manual S 89 45.2214 50 -0.32 88
IV.CSP1.EHZ. 2020-06-29T06:37:12.80 0.3 undecidable manual P 34 78.7656 50 -0.15 64
IV.MOMA.HHZ. 2020-06-29T06:37:11.09 0.1 undecidable manual S 347 34.1436 102 0.03 96
IV.LATE.HHN. 2020-06-29T06:37:11.96 0.3 undecidable manual P 280 71.1732 50 0.18 65
IV.FDMO.HHZ. 2020-06-29T06:37:11.17 0.1 undecidable manual P 30 68.4759 50 -0.2 87
IV.LNSS.HHZ. 2020-06-29T06:37:10.55 0.1 undecidable manual S 70 32.8449 103 -0.06 95
IT.GNU.HGZ. 2020-06-29T06:37:10.92 0.1 undecidable manual S 347 34.1436 102 -0.14 94
IV.ASSB.HHZ. 2020-06-29T06:37:09.91 0.1 undecidable manual P 360 59.7957 50 -0.12 90
IT.MMP1.HGE. 2020-06-29T06:37:09.64 0.3 undecidable manual S 166 29.0487 104 0.28 69
IV.CESI.HHN. 2020-06-29T06:37:09.70 0.1 undecidable manual P 19 58.9965 50 -0.2 88
IV.NRCA.HHZ. 2020-06-29T06:37:08.51 0.1 undecidable manual P 45 51.9036 50 -0.31 87
IV.RM33.EHZ. 2020-06-29T06:37:07.57 0.1 undecidable manual P 89 45.2214 50 -0.2 91
IV.FIAM.HHZ. 2020-06-29T06:37:07.85 0.1 undecidable manual P 125 45.5211 50 0.02 94
IV.MOMA.HHZ. 2020-06-29T06:37:05.44 0.1 undecidable manual P 347 34.1436 102 -0.5 87
IV.LNSS.HHZ. 2020-06-29T06:37:05.57 0.1 undecidable manual P 70 32.8449 103 -0.1 94
IT.GNU.HGZ. 2020-06-29T06:37:05.79 0.1 undecidable manual P 347 34.1436 102 -0.15 93
IT.MMP1.HGE. 2020-06-29T06:37:04.90 0.3 undecidable manual P 166 29.0487 104 -0.05 72
IV.CESX.HHZ. 2020-06-29T06:37:04.33 0.1 undecidable manual S 332 13.1757 120 0.14 97
IV.ARRO.EHZ. 2020-06-29T06:37:04.25 0.1 undecidable manual S 45 11.877 122 0.44 91
IV.CESX.HHZ. 2020-06-29T06:37:02.10 0.1 positive manual P 332 13.1757 120 0.13 97
IV.ARRO.EHZ. 2020-06-29T06:37:02.20 0.1 positive manual P 45 11.877 122 0.45 91
IT.TRN1.HGZ. 2020-06-29T06:37:01.98 0.1 undecidable manual S 348 6.1938 140 -0.33 94
IT.TRN1.HGZ. 2020-06-29T06:37:00.93 0.1 positive manual P 348 6.1938 140 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHE. ML:1.5 0.000365 0.58 AML other m 2020-06-29T06:37:04.70
IV.MOMA.HHE. ML:1.7 0.0001985 0.4 AML other m 2020-06-29T06:37:11.45
IV.MOMA.HHN. ML:1.8 0.0002495 0.22 AML other m 2020-06-29T06:37:11.65
IV.FDMO.HHN. ML:1.4 0.00003755 1 AML other m 2020-06-29T06:37:21.72
IV.CESX.HHN. ML:1.4 0.00030145085 0.3808 AML other m 2020-06-29T06:37:04.73
IV.ARRO.EHE. ML:1.4 0.00030704569999999995 0.2176 AML other m 2020-06-29T06:37:04.73
IV.ARRO.EHN. ML:1.4 0.0003255959 0.4 AML other m 2020-06-29T06:37:04.40
IV.LNSS.HHE. ML:1.4 0.00012517575 0.5408 AML other m 2020-06-29T06:37:11.03
IV.LNSS.HHN. ML:1.5 0.00012774705 0.5408 AML other m 2020-06-29T06:37:10.88
IV.RM33.EHE. ML:1.1 0.000032623285 0.32 AML other m 2020-06-29T06:37:14.53
IV.RM33.EHN. ML:1.1 0.00003780079 0.2208 AML other m 2020-06-29T06:37:14.47
IV.NRCA.HHE. ML:1.3 0.0000565971 0.1216 AML other m 2020-06-29T06:37:16.36
IV.NRCA.HHN. ML:1.1 0.000031299225 0.1568 AML other m 2020-06-29T06:37:16.72
IV.FDMO.HHE. ML:1.2 0.000031238455 0.1824 AML other m 2020-06-29T06:37:21.25
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