Earthquake with magnitude of ML 0.8 on date 07-10-2023 and time 22:22:29 (Italy) in region 1 km S Casteldelci (RN)

A magnitude ML 0.8 earthquake occured in region: 1 km S Casteldelci (RN), on

  • 07-10-2023 20:22:29 (UTC)
  • 07-10-2023 22:22:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7800, 12.1560 at 13 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
Casteldelci RN 1 407 407
Badia Tedalda AR 8 1087 1494
Pennabilli RN 10 2869 4363
Sant'Agata Feltria RN 10 2151 6514
Verghereto FC 12 1907 8421
Sestino AR 14 1355 9776
Carpegna PU 15 1674 11450
Pieve Santo Stefano AR 15 3183 14633
Sarsina FC 16 3446 18079
Maiolo RN 16 848 18927
Bagno di Romagna FC 17 6026 24953
Novafeltria RN 17 7164 32117
Talamello RN 18 1104 33221
Borgo Pace PU 18 606 33827
Montecopiolo PU 18 1128 34955
Frontino PU 18 293 35248
Pietrarubbia PU 18 660 35908
Belforte all'Isauro PU 19 769 36677
Chiusi della Verna AR 20 2023 38700
San Leo RN 20 2972 41672
Mercato Saraceno FC 20 6886 48558

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of Cesena (96758 inhabitants)
41 Km NE of Arezzo (99543 inhabitants)
46 Km SW of Rimini (147750 inhabitants)
50 Km S of Forlì (117913 inhabitants)
60 Km SE of Faenza (58541 inhabitants)
63 Km W of Pesaro (94582 inhabitants)
70 Km W of Fano (60888 inhabitants)
71 Km S of Ravenna (159116 inhabitants)
72 Km E of Firenze (382808 inhabitants)
73 Km SE of Imola (69797 inhabitants)
77 Km N of Perugia (166134 inhabitants)
78 Km E of Scandicci (50609 inhabitants)
84 Km NE of Siena (53903 inhabitants)
86 Km E of Prato (191150 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 0.8 2023-10-07
20:22:29
43.7798 12.1557 13 2023-10-07
20:36:14
Sala Sismica INGV-Roma 121869001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 20:22:29 ± 0.19
Latitude 43.7798 ± 0.0072
Longitude 12.1557 ± 0.0137
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121869001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 674
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46135
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 121869001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 20:36:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2023-10-07T20:22:46.57 3.0 undecidable manual P -0.05 0
IV.MPAG.EHZ. 2023-10-07T20:22:46.14 0.3 undecidable manual S 109 51.2154 93 0.34 66
IV.NARO.HHZ. 2023-10-07T20:22:42.43 0.3 undecidable manual S 119 38.9277 94 -0.09 71
IT.MCS.HGZ. 2023-10-07T20:22:38.24 0.1 undecidable manual S 351 24.0537 99 -0.33 92
IV.MPAG.EHZ. 2023-10-07T20:22:38.88 0.1 undecidable manual P 109 51.2154 93 -0.1 92
IV.NARO.HHZ. 2023-10-07T20:22:36.78 0.1 undecidable manual P 119 38.9277 94 -0.31 90
IV.CPGN.EHZ. 2023-10-07T20:22:36.05 0.3 undecidable manual S 80 13.3755 119 0.17 74
IV.PARC.HHZ. 2023-10-07T20:22:36.63 0.3 undecidable manual S 155 15.9729 111 0.13 74
IT.MCS.HGZ. 2023-10-07T20:22:35.35 0.1 undecidable manual P 351 24.0537 99 0.54 88
IV.PARC.HHZ. 2023-10-07T20:22:33.61 0.1 undecidable manual P 155 15.9729 111 0 100
IV.CPGN.EHZ. 2023-10-07T20:22:33.10 0.1 undecidable manual P 80 13.3755 119 -0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:0.9 0.000023199999999999998 0.18 AML other m 2023-10-07T20:22:42.81
IV.NARO.HHN. ML:1.1 0.000039800000000000005 0.16 AML other m 2023-10-07T20:22:42.78
IV.PARC.HHE. ML:0.6 0.00003475362 0.4736 AML other m 2023-10-07T20:22:37.07
IV.PARC.HHN. ML:0.3 0.000017408482500000003 0.1408 AML other m 2023-10-07T20:22:36.72
IV.MPAG.EHE. ML:0.6 0.0000088627875 0.1408 AML other m 2023-10-07T20:22:47.02
IV.MPAG.EHN. ML:0.9 0.00001825982 0.2048 AML other m 2023-10-07T20:22:47.14
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