Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 30-07-2020 and time 00:16:29 (UTC) in region 2 km E Borgo Velino (RI)

A magnitude ML 1.1 earthquake occured in region: 2 km E Borgo Velino (RI), on

  • 30-07-2020 00:16:29 (UTC)
  • 30-07-2020 02:16:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3990, 13.0800 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Borgo Velino RI 2 972 972
Antrodoco RI 2 2588 3560
Castel Sant'Angelo RI 4 1308 4868
Micigliano RI 6 127 4995
Cittaducale RI 11 6828 11823
Concerviano RI 11 291 12114
Petrella Salto RI 12 1197 13311
Borbona RI 13 617 13928
Cagnano Amiterno AQ 14 1369 15297
Posta RI 14 694 15991
Scoppito AQ 15 3727 19718
Fiamignano RI 15 1413 21131
Cantalice RI 16 2755 23886
Longone Sabino RI 17 597 24483
Barete AQ 18 737 25220
Belmonte in Sabina RI 18 636 25856
Rieti RI 18 47698 73554
Varco Sabino RI 18 187 73741
Pizzoli AQ 18 4326 78067
Rocca Sinibalda RI 19 815 78882
Marcetelli RI 19 89 78971
Montereale AQ 20 2581 81552
Poggio Bustone RI 20 2055 83607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of L'Aquila (69753 inhabitants)
40 Km E of Terni (111501 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
59 Km SW of Teramo (54892 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
75 Km NE of Roma (2864731 inhabitants)
80 Km E of Viterbo (67173 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
90 Km W of Chieti (51815 inhabitants)
93 Km W of Pescara (121014 inhabitants)
94 Km NE of Pomezia (62966 inhabitants)
96 Km NE of Aprilia (73446 inhabitants)
97 Km SE of Perugia (166134 inhabitants)
98 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
Reviewed
Rev100 		ML 1.1 2020-07-30
00:16:29		 42.3993 13.0795 10 2020-07-30
00:29:44		 Sala Sismica INGV-Roma 81468401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-30 00:16:29 ± 0.07
Latitude 42.3993 ± 0.0036
Longitude 13.0795 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81468401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 0.65111
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 81468401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-30 00:29:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-07-30T00:16:48.80 0.1 undecidable manual S 317 61.1943 50 0.51 84
IV.MMO1.EHZ. 2020-07-30T00:16:47.92 0.1 undecidable manual S 20 58.9965 50 0.21 91
IV.NRCA.HHZ. 2020-07-30T00:16:44.68 0.1 undecidable manual S 3 48.2184 50 -0.15 93
IV.MF5.EHZ. 2020-07-30T00:16:42.36 0.1 undecidable manual P 25 72.2721 50 0.38 85
IV.GAVE.EHZ. 2020-07-30T00:16:41.24 0.1 undecidable manual S 335 35.8419 50 -0.28 93
IV.ARRO.EHZ. 2020-07-30T00:16:40.28 0.1 undecidable manual S 308 32.5452 50 -0.35 92
IV.SMA1.EHZ. 2020-07-30T00:16:40.82 0.1 undecidable manual S 39 33.0447 50 0.04 98
IT.MMP1.HGE. 2020-07-30T00:16:40.91 0.3 undecidable manual S 239 31.8459 50 0.45 68
IV.MOMA.HHZ. 2020-07-30T00:16:40.48 0.1 undecidable manual P 317 61.1943 50 0.21 90
MN.AQU.HNZ. 2020-07-30T00:16:39.00 0.3 undecidable manual S 101 27.1506 50 -0.2 72
IV.MMO1.EHZ. 2020-07-30T00:16:39.80 0.1 undecidable manual P 20 58.9965 50 -0.13 92
IV.NRCA.HHZ. 2020-07-30T00:16:38.06 0.1 undecidable manual P 3 48.2184 50 -0.21 92
IV.LNSS.HHZ. 2020-07-30T00:16:37.84 0.1 undecidable manual S 352 22.755 114 -0.15 98
IV.GAVE.EHZ. 2020-07-30T00:16:36.39 0.1 undecidable manual P 335 35.8419 50 0.03 98
IV.RM33.EHZ. 2020-07-30T00:16:36.17 0.1 undecidable manual S 42 16.4724 122 0.14 99
IV.FIAM.HHZ. 2020-07-30T00:16:35.40 0.1 undecidable manual S 168 14.874 125 -0.19 98
IV.ARRO.EHZ. 2020-07-30T00:16:35.68 0.1 undecidable manual P 308 32.5452 50 -0.17 96
IV.SMA1.EHZ. 2020-07-30T00:16:35.90 0.1 undecidable manual P 39 33.0447 50 -0.04 98
IT.MMP1.HGE. 2020-07-30T00:16:35.56 0.3 undecidable manual P 239 31.8459 50 -0.19 72
IV.LNSS.HHZ. 2020-07-30T00:16:34.28 0.1 undecidable manual P 352 22.755 114 -0.04 100
MN.AQU.HNZ. 2020-07-30T00:16:34.94 0.3 undecidable manual P 101 27.1506 50 -0.08 74
IV.RM33.EHZ. 2020-07-30T00:16:33.40 0.1 positive manual P 42 16.4724 122 0.2 98
IV.FIAM.HHZ. 2020-07-30T00:16:33.06 0.1 undecidable manual P 168 14.874 125 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.0 0.0000882 0.34 AML other m 2020-07-30T00:16:35.66
IV.RM33.EHN. ML:1.4 0.00021100000000000003 0.36 AML other m 2020-07-30T00:16:36.59
IV.ARRO.EHN. ML:0.9 0.0000335 0.14 AML other m 2020-07-30T00:16:40.87
IV.MOMA.HHE. ML:1.0 0.0000222 0.18 AML other m 2020-07-30T00:16:49.81
IV.FIAM.HHE. ML:0.9 0.00007378591000000001 0.28 AML other m 2020-07-30T00:16:36.10
IV.RM33.EHE. ML:1.2 0.0001551223 0.36 AML other m 2020-07-30T00:16:36.68
IV.LNSS.HHE. ML:1.4 0.0001715467 0.76 AML other m 2020-07-30T00:16:38.05
IV.LNSS.HHN. ML:1.3 0.0001191632 0.24 AML other m 2020-07-30T00:16:38.09
IV.ARRO.EHE. ML:0.7 0.000021730445 0.24 AML other m 2020-07-30T00:16:40.59
IV.SMA1.EHE. ML:1.0 0.000037905045 0.32 AML other m 2020-07-30T00:16:41.20
IV.SMA1.EHN. ML:1.0 0.000040254755 0.52 AML other m 2020-07-30T00:16:41.36
IV.GAVE.EHE. ML:1.2 0.000062404535 0.38 AML other m 2020-07-30T00:16:41.76
IV.GAVE.EHN. ML:0.9 0.000031546275 0.1 AML other m 2020-07-30T00:16:41.79
IV.NRCA.HHE. ML:1.2 0.000046415285 0.1 AML other m 2020-07-30T00:16:45.03
IV.NRCA.HHN. ML:1.3 0.000049437625 0.16 AML other m 2020-07-30T00:16:44.00
IV.MOMA.HHN. ML:0.7 0.000010799965 0.18 AML other m 2020-07-30T00:16:48.99
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