Earthquake with magnitude of ML 1.3 on date 21-08-2023 and time 12:48:25 (UTC) in region 3 km E Borgorose (RI)

A magnitude ML 1.3 earthquake occured in region: 3 km E Borgorose (RI), on

  • 21-08-2023 12:48:25 (UTC)
  • 21-08-2023 14:48:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1890, 13.2670 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Borgorose RI 3 4591 4591
Pescorocchiano RI 10 2075 6666
Sante Marie AQ 11 1166 7832
Tornimparte AQ 12 3187 11019
Lucoli AQ 13 1011 12030
Tagliacozzo AQ 13 6889 18919
Magliano de' Marsi AQ 13 3690 22609
Massa d'Albe AQ 14 1476 24085
Fiamignano RI 14 1413 25498
Scurcola Marsicana AQ 15 2824 28322
Nespolo RI 17 246 28568
Carsoli AQ 18 5396 33964
Marcetelli RI 19 89 34053
Collalto Sabino RI 19 442 34495
Collegiove RI 19 213 34708
Rocca di Cambio AQ 19 533 35241
Pereto AQ 20 682 35923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of L'Aquila (69753 inhabitants)
46 Km NE of Tivoli (56533 inhabitants)
49 Km E of Guidonia Montecelio (88673 inhabitants)
64 Km SW of Teramo (54892 inhabitants)
66 Km SE of Terni (111501 inhabitants)
69 Km NE of Velletri (53303 inhabitants)
73 Km E of Roma (2864731 inhabitants)
76 Km W of Chieti (51815 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km NE of Aprilia (73446 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
86 Km NE of Latina (125985 inhabitants)
97 Km E of Fiumicino (78395 inhabitants)
97 Km SE of Foligno (57155 inhabitants)
98 Km NE of Anzio (54211 inhabitants)
99 Km E of Viterbo (67173 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 1.3 2023-08-21
12:48:25
42.1893 13.267 10 2023-08-21
12:57:46
Sala Sismica INGV-Roma 120356951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-21 12:48:25 ± 0.09
Latitude 42.1893 ± 0.0054
Longitude 13.2670 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120356951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 120356951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-21 12:57:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-08-21T12:50:25.04 3.0 undecidable manual Sn -0.7 0
IV.ORZI.HNZ. 2023-08-21T12:50:24.28 3.0 undecidable manual Sn 4.04 0
IV.CRJA.HHZ. 2023-08-21T12:50:24.16 3.0 undecidable manual Sn -1.77 0
IV.ECTS.HHZ. 2023-08-21T12:50:23.17 3.0 undecidable manual Sn -6.25 0
NI.PALA.HHZ. 2023-08-21T12:50:14.45 3.0 undecidable manual Sn -6.89 0
IV.CAR1.HNZ. 2023-08-21T12:50:03.30 3.0 undecidable manual Sn -5.72 0
IV.LPDG.HHZ. 2023-08-21T12:50:02.03 3.0 negative manual Pn -3.2 0
GU.RORO.HHZ. 2023-08-21T12:49:42.35 3.0 undecidable manual Pg 8.71 0
IV.MCEL.HHZ. 2023-08-21T12:49:41.18 3.0 undecidable manual Sn -3.03 0
IV.GRI.EHZ. 2023-08-21T12:49:40.47 3.0 positive manual Pg 10.12 0
IV.MAGA.HHZ. 2023-08-21T12:49:40.31 3.0 positive manual Pg 9.2 0
GU.GORR.HHZ. 2023-08-21T12:49:36.31 3.0 undecidable manual Pg 9.29 0
IV.CMPR.HHZ. 2023-08-21T12:49:35.25 3.0 undecidable manual Sn -2.75 0
OT.CGL1.HHZ. 2023-08-21T12:49:30.14 3.0 negative manual Pg 7.52 0
IV.EPZF.HHZ. 2023-08-21T12:49:30.29 3.0 undecidable manual Pn -5.36 0
IV.CAR1.HNZ. 2023-08-21T12:49:27.43 3.0 undecidable manual Pn 3.18 0
OT.OT17.EHZ. 2023-08-21T12:49:22.45 3.0 undecidable manual Sg 2.59 0
IV.MCRV.HHZ. 2023-08-21T12:49:00.54 3.0 undecidable manual Pn -0.64 0
IV.NRCA.HNZ. 2023-08-21T12:48:51.48 3.0 undecidable manual S -3.17 0
IV.MURB.HHZ. 2023-08-21T12:48:50.85 3.0 negative manual P -1.08 0
IV.MTCE.HHZ. 2023-08-21T12:48:40.41 1.0 undecidable manual S 247 47.0196 50 0.23 23
IV.NRCA.HNZ. 2023-08-21T12:48:40.90 3.0 undecidable manual P -1.57 0
IV.T0110.HHZ. 2023-08-21T12:48:39.26 0.6 undecidable manual S 84 42.1245 50 0.39 45
IV.RM33.EHZ. 2023-08-21T12:48:37.02 0.6 undecidable manual S 353 35.742 50 -0.15 48
IV.CERT.HHZ. 2023-08-21T12:48:36.92 1.0 undecidable manual S 221 35.5422 50 -0.2 24
IV.PTQR.HHZ. 2023-08-21T12:48:33.06 0.3 undecidable manual S 149 21.5673 115 -0.23 72
IV.T0110.HHZ. 2023-08-21T12:48:33.15 0.3 undecidable manual P 84 42.1245 50 0.14 71
IV.MTCE.HHZ. 2023-08-21T12:48:33.73 0.3 undecidable manual P 247 47.0196 50 -0.03 72
IV.VVLD.HHN. 2023-08-21T12:48:33.23 1.0 undecidable manual P 140 46.0206 50 -0.39 22
IV.GIGS.HHE. 2023-08-21T12:48:32.38 0.6 undecidable manual P 40 38.5281 50 -0.09 48
IV.RM33.EHZ. 2023-08-21T12:48:31.86 0.3 undecidable manual P 353 35.742 50 -0.17 71
IV.CERT.HHZ. 2023-08-21T12:48:31.96 0.6 undecidable manual P 221 35.5422 50 -0.04 49
IV.PTQR.HHZ. 2023-08-21T12:48:29.83 0.1 undecidable manual P 149 21.5673 115 0.04 100
IT.CSO1.HGZ. 2023-08-21T12:48:29.39 0.3 undecidable manual P 236 17.6712 120 0.29 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.5 0.00019600000000000002 0.12 AML other m 2023-08-21T12:48:33.65
IV.PTQR.HHN. ML:1.3 0.000149 0.46 AML other m 2023-08-21T12:48:34.36
IV.T0110.HHN. ML:1.4 0.0000908 1.16 AML other m 2023-08-21T12:48:40.66
IV.RM33.EHN. ML:1.2 0.00005395 0.36 AML other m 2023-08-21T12:48:40.24
IV.MTCE.HHE. ML:1.2 0.00004775 1.74 AML other m 2023-08-21T12:48:41.92
IV.MTCE.HHN. ML:1.2 0.0000507 1.76 AML other m 2023-08-21T12:48:41.95
IV.RM33.EHE. ML:1.2 0.00006819999999999999 1.06 AML other m 2023-08-21T12:48:42.78
IV.T0110.HHE. ML:1.4 0.0000786 0.34 AML other m 2023-08-21T12:48:44.23
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