Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-07-2023 and time 01:13:56 (UTC) in region 1 km N Borgo Velino (RI)

A magnitude ML 1.5 earthquake occured in region: 1 km N Borgo Velino (RI), on

  • 25-07-2023 01:13:56 (UTC)
  • 25-07-2023 03:13:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4120, 13.0610 at 16 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
Borgo Velino RI 1 972 972
Antrodoco RI 2 2588 3560
Castel Sant'Angelo RI 3 1308 4868
Micigliano RI 4 127 4995
Cittaducale RI 10 6828 11823
Concerviano RI 12 291 12114
Borbona RI 13 617 12731
Posta RI 13 694 13425
Petrella Salto RI 13 1197 14622
Cantalice RI 14 2755 17377
Cagnano Amiterno AQ 15 1369 18746
Rieti RI 16 47698 66444
Scoppito AQ 17 3727 70171
Fiamignano RI 17 1413 71584
Belmonte in Sabina RI 17 636 72220
Longone Sabino RI 17 597 72817
Poggio Bustone RI 18 2055 74872
Leonessa RI 19 2435 77307
Barete AQ 19 737 78044
Rocca Sinibalda RI 19 815 78859
Varco Sabino RI 19 187 79046
Pizzoli AQ 20 4326 83372
Montereale AQ 20 2581 85953

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
38 Km E of Terni (111501 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
60 Km W of Teramo (54892 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
75 Km NE of Roma (2864731 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
84 Km N of Velletri (53303 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
91 Km W of Chieti (51815 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km SE of Perugia (166134 inhabitants)
97 Km NE of Aprilia (73446 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
Bulletin
Rev1000 		ML 1.5 2023-07-25
01:13:56		 42.4125 13.0612 16 2024-09-10
16:44:13		 Bollettino Sismico Italiano INGV 119683831
Reviewed
Rev100 		ML 1.5 2023-07-25
01:13:56		 42.4193 13.0538 11 2023-07-25
01:19:25		 Sala Sismica INGV-Roma 119546851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-25 01:13:56 ± 0.07
Latitude 42.4125 ± 0.0036
Longitude 13.0612 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119683831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
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) 64
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68708
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 119683831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-29 15:09:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 38
Type of magnitude ML
Reference to an origin 119546851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-25 01:19:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2023-07-25T01:14:25.29 3.0 undecidable manual P 4.66 0
IV.MF5.EHZ. 2023-07-25T01:14:19.02 0.3 undecidable manual S 27 71.5728 95 1.23 45
IV.CSP1.EHZ. 2023-07-25T01:14:19.69 0.6 undecidable manual S 9 76.2681 95 0.66 38
IV.FDMO.HHZ. 2023-07-25T01:14:17.38 0.6 undecidable manual S 2 69.2751 95 0.21 44
IV.CESI.HHE. 2023-07-25T01:14:16.44 0.6 undecidable manual S 349 66.9774 95 -0.11 45
IV.MC2.EHZ. 2023-07-25T01:14:14.04 0.6 undecidable manual S 11 56.2992 97 0.31 44
IV.MMO1.EHZ. 2023-07-25T01:14:14.49 0.3 undecidable manual S 22 58.1973 97 0.26 67
7F.SIB3.EHN. 2023-07-25T01:14:13.06 0.3 undecidable manual S 18 54.1014 97 -0.08 70
IV.CERT.HNE. 2023-07-25T01:14:13.05 0.3 undecidable manual S 187 51.8037 98 0.51 65
7F.SIB1.EHE. 2023-07-25T01:14:13.91 0.3 undecidable manual S 18 56.0994 97 0.22 68
IV.PTQR.HHZ. 2023-07-25T01:14:12.26 0.3 undecidable manual S 147 51.5151 98 -0.2 68
IV.TERO.HHZ. 2023-07-25T01:14:12.16 0.3 undecidable manual S 62 50.1165 98 0.06 71
IV.MTCE.HHZ. 2023-07-25T01:14:11.80 0.3 undecidable manual S 211 50.5161 98 -0.4 65
IV.MTRA.EHE. 2023-07-25T01:14:10.89 0.6 undecidable manual S 36 47.0196 99 -0.38 44
IV.CESX.HHN. 2023-07-25T01:14:10.72 0.3 undecidable manual S 299 44.4222 99 0.12 70
IV.MF5.EHZ. 2023-07-25T01:14:09.10 0.1 undecidable manual P 27 71.5728 95 0.45 84
IV.CSP1.EHZ. 2023-07-25T01:14:09.23 0.1 positive manual P 9 76.2681 95 -0.14 88
IV.GIGS.HHZ. 2023-07-25T01:14:09.68 0.3 undecidable manual S 84 42.1245 100 -0.31 68
IV.FDMO.HHZ. 2023-07-25T01:14:08.26 0.1 undecidable manual P 2 69.2751 95 -0.03 91
IV.GAVE.EHZ. 2023-07-25T01:14:07.42 0.6 undecidable manual S 336 33.9438 104 -0.41 45
IV.CESI.HHE. 2023-07-25T01:14:07.89 0.1 undecidable manual P 349 66.9774 95 -0.04 91
IV.CAMP.HHZ. 2023-07-25T01:14:07.56 0.3 undecidable manual S 64 31.5462 105 0.33 69
IV.SMA1.EHZ. 2023-07-25T01:14:07.65 0.3 undecidable manual S 43 32.9448 104 0.06 73
IV.ARRO.EHZ. 2023-07-25T01:14:06.61 0.3 undecidable manual S 308 30.4473 106 -0.32 69
IV.MC2.EHZ. 2023-07-25T01:14:06.20 0.1 positive manual P 11 56.2992 97 -0.11 92
IV.MMO1.EHZ. 2023-07-25T01:14:06.47 0.1 positive manual P 22 58.1973 97 -0.12 91
IT.MMP1.HGN. 2023-07-25T01:14:06.98 0.3 undecidable manual S 235 31.4463 105 -0.2 71
IV.CERT.HNE. 2023-07-25T01:14:06.13 0.3 undecidable manual P 187 51.8037 98 0.51 65
7F.SIB1.EHE. 2023-07-25T01:14:06.25 0.1 positive manual P 18 56.0994 97 -0.03 93
IV.TERO.HHZ. 2023-07-25T01:14:05.07 0.1 positive manual P 62 50.1165 98 -0.29 89
7F.SIB3.EHN. 2023-07-25T01:14:05.69 0.1 positive manual P 18 54.1014 97 -0.27 89
IV.MTCE.HHZ. 2023-07-25T01:14:05.29 0.1 undecidable manual P 211 50.5161 98 -0.13 92
IV.PTQR.HHZ. 2023-07-25T01:14:05.44 0.3 undecidable manual P 147 51.5151 98 -0.13 69
IV.CESX.HHN. 2023-07-25T01:14:04.76 0.1 undecidable manual P 299 44.4222 99 0.26 91
IV.GIGS.HHZ. 2023-07-25T01:14:04.06 0.1 undecidable manual P 84 42.1245 100 -0.08 94
IV.LNSS.HHZ. 2023-07-25T01:14:04.26 0.3 undecidable manual S 355 21.1677 116 -0.36 70
IV.MTRA.EHE. 2023-07-25T01:14:04.64 0.1 undecidable manual P 36 47.0196 99 -0.24 91
IV.RM33.EHZ. 2023-07-25T01:14:03.20 0.3 undecidable manual S 49 16.4724 125 -0.34 71
IV.FIAM.HHZ. 2023-07-25T01:14:03.55 0.3 undecidable manual S 164 16.6722 124 -0.03 75
IT.MMP1.HGN. 2023-07-25T01:14:02.68 0.1 undecidable manual P 235 31.4463 105 0.16 96
IV.SMA1.EHZ. 2023-07-25T01:14:02.87 0.1 positive manual P 43 32.9448 104 0.11 96
IV.ARRO.EHZ. 2023-07-25T01:14:02.44 0.1 positive manual P 308 30.4473 106 0.06 98
IV.GAVE.EHZ. 2023-07-25T01:14:02.77 0.1 positive manual P 336 33.9438 104 -0.13 95
IV.CAMP.HHZ. 2023-07-25T01:14:02.40 0.1 undecidable manual P 64 31.5462 105 -0.15 95
IV.LNSS.HHZ. 2023-07-25T01:14:01.03 0.1 positive manual P 355 21.1677 116 -0.02 100
IV.FIAM.HHZ. 2023-07-25T01:14:00.60 0.1 negative manual P 164 16.6722 124 0.16 98
IV.RM33.EHZ. 2023-07-25T01:14:00.50 0.1 positive manual P 49 16.4724 125 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:2.1 0.0008785 1.74 AML other m 2023-07-25T01:14:03.99
IV.RM33.EHE. ML:2.1 0.0008655 0.26 AML other m 2023-07-25T01:14:04.00
IV.FIAM.HHN. ML:1.4 0.0001857954 0.16 AML other m 2023-07-25T01:14:04.03
IV.FIAM.HNN. ML:1.3 0.00015628044000000002 0.16 AML other m 2023-07-25T01:14:04.19
IV.RM33.EHN. ML:1.7 0.00034554419999999994 0.1 AML other m 2023-07-25T01:14:04.31
IV.RM33.HNN. ML:1.7 0.0003552837 0.0992 AML other m 2023-07-25T01:14:04.32
IV.LNSS.HHE. ML:2.1 0.0007605 0.14 AML other m 2023-07-25T01:14:04.54
IV.LNSS.HNE. ML:2.1 0.0007020918499999999 0.1496 AML other m 2023-07-25T01:14:04.61
IV.LNSS.HNN. ML:1.9 0.0004437466 0.1104 AML other m 2023-07-25T01:14:04.91
IV.LNSS.HHN. ML:1.9 0.00053460465 0.1 AML other m 2023-07-25T01:14:04.91
IV.FIAM.HHE. ML:1.4 0.00018309625000000003 0.14 AML other m 2023-07-25T01:14:05.20
IV.FIAM.HNE. ML:1.6 0.00025654745 0.1496 AML other m 2023-07-25T01:14:05.27
IV.GAVE.HNE. ML:1.5 0.00011416581 0.44 AML other m 2023-07-25T01:14:06.42
IV.ARRO.EHN. ML:1.2 0.0000740006 0.14 AML other m 2023-07-25T01:14:07.30
IV.ARRO.EHE. ML:1.1 0.000061720815 0.18 AML other m 2023-07-25T01:14:07.25
IV.GAVE.EHN. ML:1.5 0.0001223 1.04 AML other m 2023-07-25T01:14:08.74
IV.GAVE.EHE. ML:1.4 0.00009302048499999999 0.16 AML other m 2023-07-25T01:14:09.02
IV.CAMP.HHN. ML:1.2 0.00006075 0.44 AML other m 2023-07-25T01:14:10.57
IV.CAMP.HHE. ML:1.2 0.000058899999999999995 0.4 AML other m 2023-07-25T01:14:10.38
IV.SMA1.EHN. ML:1.7 0.000188 0.28 AML other m 2023-07-25T01:14:10.68
IV.GIGS.HHN. ML:0.7 0.000012869732500000002 1.8 AML other m 2023-07-25T01:14:10.93
IV.GIGS.HHE. ML:0.5 0.000010719815000000001 0.12 AML other m 2023-07-25T01:14:11.06
IV.SMA1.EHE. ML:1.7 0.00020043070000000003 0.24 AML other m 2023-07-25T01:14:11.27
IV.TERO.HHE. ML:1.2 0.000038607605 0.12 AML other m 2023-07-25T01:14:13.14
IV.MMO1.EHE. ML:1.3 0.000044474325 0.3 AML other m 2023-07-25T01:14:15.71
IV.FDMO.HHE. ML:1.3 0.000030709455000000005 0.28 AML other m 2023-07-25T01:14:18.71
IV.FDMO.HHN. ML:1.3 0.00003094795 0.18 AML other m 2023-07-25T01:14:19.33
IV.MMO1.EHN. ML:1.4 0.00004764568 0.3 AML other m 2023-07-25T01:14:19.43
IV.MF5.EHE. ML:1.8 0.00011172984999999999 2.26 AML other m 2023-07-25T01:14:23.08
IV.CSP1.EHN. ML:1.8 0.000100594615 1.62 AML other m 2023-07-25T01:14:20.50
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