Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-09-2019 and time 09:48:51 (Italy) in region 2 km N Rivodutri (RI)

A magnitude ML 1.5 earthquake occured in region: 2 km N Rivodutri (RI), on

  • 07-09-2019 07:48:51 (UTC)
  • 07-09-2019 09:48:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5360, 12.8580 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
Rivodutri RI 2 1253 1253
Morro Reatino RI 2 373 1626
Poggio Bustone RI 4 2055 3681
Labro RI 5 374 4055
Polino TR 6 233 4288
Colli sul Velino RI 8 533 4821
Cantalice RI 8 2755 7576
Arrone TR 9 2763 10339
Leonessa RI 9 2435 12774
Montefranco TR 10 1276 14050
Ferentillo TR 11 1913 15963
Greccio RI 12 1558 17521
Rieti RI 14 47698 65219
Monteleone di Spoleto PG 15 599 65818
Contigliano RI 16 3783 69601
Stroncone TR 17 4917 74518
Terni TR 18 111501 186019
Cittaducale RI 18 6828 192847
Micigliano RI 19 127 192974
Posta RI 20 694 193668
Scheggino PG 20 461 194129
Cottanello RI 20 563 194692

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Terni (111501 inhabitants)
49 Km S of Foligno (57155 inhabitants)
49 Km W of L'Aquila (69753 inhabitants)
60 Km N of Guidonia Montecelio (88673 inhabitants)
63 Km E of Viterbo (67173 inhabitants)
64 Km N of Tivoli (56533 inhabitants)
71 Km W of Teramo (54892 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
78 Km NE of Roma (2864731 inhabitants)
95 Km N of Velletri (53303 inhabitants)
99 Km NE of Fiumicino (78395 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 2019-09-07
07:48:51		 42.5355 12.8585 8 2020-02-28
16:41:49		 Bollettino Sismico Italiano INGV 72259691
Reviewed
Rev100 		ML 1.5 2019-09-07
07:48:51		 42.534 12.8583 8 2019-09-07
07:57:30		 Sala Sismica INGV-Roma 72196251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-07 07:48:51 ± 0.09
Latitude 42.5355 ± 0.0054
Longitude 12.8585 ± 0.0049
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 72259691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 629
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52790
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 72259691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-09 12:55:59

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 72196251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-07 07:57:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2019-09-07T07:49:20.03 3.0 undecidable manual S -0.14 0
IV.MOMA.HHZ. 2019-09-07T07:49:05.70 0.3 undecidable manual S 322 37.9287 50 0.59 63
IV.NRCA.HHZ. 2019-09-07T07:49:05.38 0.3 undecidable manual S 32 39.1275 50 -0.03 72
IV.RM33.EHZ. 2019-09-07T07:49:02.42 0.3 undecidable manual S 96 29.2485 106 -0.07 72
IV.FDMO.HHZ. 2019-09-07T07:49:02.32 0.3 undecidable manual P 18 58.5969 50 -0.4 64
IV.CESX.HHZ. 2019-09-07T07:49:01.04 0.3 undecidable manual S 290 23.6541 110 0.41 68
IV.MC2.EHZ. 2019-09-07T07:49:01.29 0.3 undecidable manual P 33 49.617 50 -0.05 70
IV.NRCA.HHZ. 2019-09-07T07:48:59.21 0.3 undecidable manual P 32 39.1275 50 -0.5 65
IV.SMA1.EHZ. 2019-09-07T07:48:59.88 0.3 undecidable manual P 75 40.3263 50 -0.03 72
IV.FIAM.HHZ. 2019-09-07T07:48:59.36 0.1 undecidable manual P 144 36.4413 50 0.05 96
IV.MOMA.HHZ. 2019-09-07T07:48:59.58 0.3 undecidable manual P 322 37.9287 50 0.04 72
IV.GAVE.EHZ. 2019-09-07T07:48:58.70 0.3 undecidable manual S 10 17.6712 115 0 75
IT.MMP1.HGE. 2019-09-07T07:48:58.84 1.0 undecidable manual P 196 33.0447 104 0.09 24
IV.RM33.EHZ. 2019-09-07T07:48:58.12 0.1 undecidable manual P 96 29.2485 106 0.1 96
IV.LNSS.HHZ. 2019-09-07T07:48:58.71 0.3 undecidable manual S 63 16.6722 117 0.32 70
IV.CESX.HHZ. 2019-09-07T07:48:56.71 0.1 undecidable manual P 290 23.6541 110 -0.24 94
IV.GAVE.EHZ. 2019-09-07T07:48:55.78 0.1 positive manual P 10 17.6712 115 -0.06 99
IV.LNSS.HHZ. 2019-09-07T07:48:55.89 0.1 undecidable manual P 63 16.6722 117 0.23 95
IV.ARRO.EHZ. 2019-09-07T07:48:55.87 0.3 undecidable manual S 303 8.9799 133 -0.32 71
IV.ARRO.EHZ. 2019-09-07T07:48:54.32 0.1 undecidable manual P 303 8.9799 133 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.8 0.0005117495 0.16 AML other m 2019-09-07T07:48:59.75
IV.GAVE.EHE. ML:1.9 0.0007144648 0.32 AML other m 2019-09-07T07:48:59.82
IV.GAVE.HNN. ML:1.4 0.000197216 0.7872 AML other m 2019-09-07T07:49:06.55
IV.GAVE.HNE. ML:1.9 0.00066114275 0.3072 AML other m 2019-09-07T07:48:59.82
IV.CESX.HHE. ML:1.1 0.0000733545 0.2752 AML other m 2019-09-07T07:49:03.08
IV.CESX.HHN. ML:1.2 0.00009751631 0.5824 AML other m 2019-09-07T07:49:06.57
IV.RM33.HNE. ML:1.5 0.00014490620000000003 0.6848 AML other m 2019-09-07T07:49:06.26
IV.RM33.EHE. ML:1.2 0.000089268405 0.3008 AML other m 2019-09-07T07:49:07.34
IV.RM33.EHN. ML:1.2 0.000084536235 0.32 AML other m 2019-09-07T07:49:07.76
IV.RM33.HNN. ML:1.6 0.00017802383 0.5184 AML other m 2019-09-07T07:49:00.03
IV.NRCA.HHN. ML:1.5 0.00011389934 0.1408 AML other m 2019-09-07T07:49:07.69
IV.NRCA.HNE. ML:1.6 0.000133296355 0.1408 AML other m 2019-09-07T07:49:05.92
IV.NRCA.HHE. ML:1.6 0.0001451553 0.1408 AML other m 2019-09-07T07:49:05.84
IV.NRCA.HNN. ML:1.6 0.0001354882 44.2368 AML other m 2019-09-07T07:48:58.50
IV.MOMA.HHE. ML:1.3 0.00007394088 0.1984 AML other m 2019-09-07T07:49:08.97
IV.MOMA.HHN. ML:1.3 0.00006760278 0.32 AML other m 2019-09-07T07:49:08.94
IV.MOMA.HNN. ML:2.1 0.0005078561 1.1136 AML other m 2019-09-07T07:49:15.03
IV.MOMA.HNE. ML:1.4 0.00010231035 0.3264 AML other m 2019-09-07T07:49:09.79
IV.SMA1.EHE. ML:1.5 0.00010453219 0.48 AML other m 2019-09-07T07:49:08.40
IV.SMA1.EHN. ML:1.6 0.0001253188 0.5632 AML other m 2019-09-07T07:49:06.69
IV.FDMO.HHE. ML:1.4 0.000053090845 0.1792 AML other m 2019-09-07T07:49:12.16
IV.FDMO.HHN. ML:1.2 0.0000343779 0.2432 AML other m 2019-09-07T07:49:11.47
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