Earthquake with magnitude of ML 1.3 on date 02-04-2023 and time 10:34:27 (UTC) in region 2 km NW Borgo Velino (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Borgo Velino (RI), on

  • 02-04-2023 10:34:27 (UTC)
  • 02-04-2023 12:34:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4210, 13.0400 at 13 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
Borgo Velino RI 2 972 972
Castel Sant'Angelo RI 3 1308 2280
Antrodoco RI 3 2588 4868
Micigliano RI 4 127 4995
Cittaducale RI 8 6828 11823
Concerviano RI 12 291 12114
Posta RI 12 694 12808
Cantalice RI 12 2755 15563
Borbona RI 13 617 16180
Petrella Salto RI 14 1197 17377
Rieti RI 15 47698 65075
Poggio Bustone RI 16 2055 67130
Cagnano Amiterno AQ 16 1369 68499
Belmonte in Sabina RI 17 636 69135
Leonessa RI 17 2435 71570
Longone Sabino RI 18 597 72167
Rivodutri RI 19 1253 73420
Fiamignano RI 19 1413 74833
Rocca Sinibalda RI 19 815 75648
Scoppito AQ 19 3727 79375

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of L'Aquila (69753 inhabitants)
36 Km E of Terni (111501 inhabitants)
53 Km NE of Guidonia Montecelio (88673 inhabitants)
55 Km NE of Tivoli (56533 inhabitants)
61 Km W of Teramo (54892 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
74 Km NE of Roma (2864731 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
84 Km N of Velletri (53303 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
93 Km W of Chieti (51815 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
97 Km W of Pescara (121014 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 1.3 2023-04-02
10:34:27
42.4212 13.0402 13 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116541821
Reviewed
Rev100
ML 1.3 2023-04-02
10:34:27
42.4053 13.0123 11 2023-04-02
12:28:14
Sala Sismica INGV-Roma 115970681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 10:34:27 ± 0.21
Latitude 42.4212 ± 0.0090
Longitude 13.0402 ± 0.0122
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116541821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1039
Semi-minor axis of confidence ellipse (meter) 612
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 244
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 15
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) 0.68079
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116541821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 14:32:44

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115970681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 12:28:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPZF.HHZ. 2023-04-02T10:36:11.96 3.0 undecidable manual Sn -1.01 0
HL.VLS.HHZ. 2023-04-02T10:36:09.38 3.0 positive manual Pg 16.83 0
1J.FX12.HHZ.00 2023-04-02T10:36:03.38 3.0 undecidable manual Sn -7.71 0
GU.BHB.HHZ. 2023-04-02T10:35:54.36 3.0 undecidable manual Pg 13.06 0
IV.SPS2.HHZ. 2023-04-02T10:35:44.50 3.0 undecidable manual Sn -5.83 0
IV.SFI.EHZ. 2023-04-02T10:35:34.11 3.0 undecidable manual Sg 4.09 0
GU.RNCA.HHZ. 2023-04-02T10:35:32.63 3.0 negative manual Pg 8.12 0
1J.FX14.HHZ.00 2023-04-02T10:35:31.40 3.0 positive manual Pg 7.57 0
SL.KOGS.BHZ. 2023-04-02T10:35:26.32 3.0 undecidable manual Pn -4.33 0
GU.RORO.HHZ. 2023-04-02T10:35:25.40 3.0 undecidable manual Pn -4.33 0
IV.CSNT.HHZ. 2023-04-02T10:34:57.36 3.0 negative manual Pn -0.31 0
IV.CSP1.EHZ. 2023-04-02T10:34:51.20 0.6 undecidable manual S 10 75.5688 92 0.82 36
IV.ARCI.HHZ. 2023-04-02T10:34:51.66 3.0 undecidable manual Pg 0.15 0
IV.TERO.HHN. 2023-04-02T10:34:43.54 0.6 undecidable manual S 64 51.2154 93 -0.34 47
IV.NRCA.HHZ. 2023-04-02T10:34:42.28 0.3 undecidable manual S 8 46.1205 93 -0.24 72
IV.CSP1.EHZ. 2023-04-02T10:34:40.82 0.6 undecidable manual P 10 75.5688 92 0.01 46
IV.SMA1.EHZ. 2023-04-02T10:34:39.25 0.3 undecidable manual S 46 33.5442 96 0.09 74
IV.GAVE.HNE. 2023-04-02T10:34:38.90 0.3 undecidable manual S 338 32.3454 96 0.05 76
IV.NRCA.HHZ. 2023-04-02T10:34:36.06 0.3 undecidable manual P 8 46.1205 93 -0.21 73
IV.TERO.HHN. 2023-04-02T10:34:36.82 0.3 undecidable manual P 64 51.2154 93 -0.23 72
IV.LNSS.HHZ. 2023-04-02T10:34:35.48 0.3 undecidable manual S 0 20.1687 104 -0.16 76
IV.SACR.HNZ. 2023-04-02T10:34:35.26 3.0 undecidable manual P 0.32 0
IV.CIGN.HHZ. 2023-04-02T10:34:35.43 3.0 undecidable manual P 0.53 0
IV.SMA1.EHZ. 2023-04-02T10:34:34.41 0.1 undecidable manual P 46 33.5442 96 0.08 98
IV.RNI2.HHZ. 2023-04-02T10:34:34.97 3.0 undecidable manual S 4.52 0
IV.RM33.EHZ. 2023-04-02T10:34:34.80 0.6 undecidable manual S 56 17.2716 110 -0.11 52
IV.GAVE.HNE. 2023-04-02T10:34:34.42 0.3 undecidable manual P 338 32.3454 96 0.27 72
IV.ARRO.EHZ. 2023-04-02T10:34:33.23 0.3 undecidable manual P 308 28.4493 97 -0.33 73
IV.RM33.EHZ. 2023-04-02T10:34:32.08 0.1 undecidable manual P 56 17.2716 110 0.2 99
IV.LNSS.HHZ. 2023-04-02T10:34:32.45 0.1 undecidable manual P 0 20.1687 104 0.15 100
IV.LRP.EHZ. 2023-04-02T10:34:30.82 3.0 undecidable manual S -0.18 0
IV.INTR.HHZ. 2023-04-02T10:34:23.47 3.0 undecidable manual P 4.81 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.4 0.000213 0.96 AML other m 2023-04-02T10:34:35.21
IV.RM33.EHN. ML:1.1 0.00010334999999999999 0.28 AML other m 2023-04-02T10:34:35.12
IV.LNSS.HHN. ML:1.4 0.00017199999999999998 0.32 AML other m 2023-04-02T10:34:35.78
IV.LNSS.HHE. ML:1.4 0.0001805 1.02 AML other m 2023-04-02T10:34:36.66
IV.SMA1.EHE. ML:1.3 0.000084 0.94 AML other m 2023-04-02T10:34:39.71
IV.NRCA.HHN. ML:1.1 0.000032800000000000004 0.96 AML other m 2023-04-02T10:34:42.22
IV.NRCA.HHE. ML:1.2 0.0000487 0.64 AML other m 2023-04-02T10:34:43.77
IV.SMA1.EHN. ML:1.1 0.0000484 1.52 AML other m 2023-04-02T10:34:43.03
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