Earthquake with magnitude of ML 0.9 on date 07-10-2023 and time 22:26:54 (Italy) in region 3 km SE Casteldelci (RN)

A magnitude ML 0.9 earthquake occured in region: 3 km SE Casteldelci (RN), on

  • 07-10-2023 20:26:54 (UTC)
  • 07-10-2023 22:26:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7780, 12.1840 at 15 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 3 407 407
Badia Tedalda AR 8 1087 1494
Pennabilli RN 8 2869 4363
Sant'Agata Feltria RN 10 2151 6514
Sestino AR 12 1355 7869
Carpegna PU 12 1674 9543
Verghereto FC 14 1907 11450
Maiolo RN 15 848 12298
Novafeltria RN 16 7164 19462
Frontino PU 16 293 19755
Montecopiolo PU 16 1128 20883
Pietrarubbia PU 16 660 21543
Borgo Pace PU 16 606 22149
Sarsina FC 16 3446 25595
Talamello RN 17 1104 26699
Pieve Santo Stefano AR 17 3183 29882
Belforte all'Isauro PU 17 769 30651
San Leo RN 19 2972 33623
Bagno di Romagna FC 19 6026 39649
Mercatello sul Metauro PU 19 1378 41027
Piandimeleto PU 20 2167 43194
Monte Cerignone PU 20 669 43863
Mercato Saraceno FC 20 6886 50749

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of Cesena (96758 inhabitants)
42 Km NE of Arezzo (99543 inhabitants)
44 Km SW of Rimini (147750 inhabitants)
51 Km S of Forlì (117913 inhabitants)
60 Km W of Pesaro (94582 inhabitants)
61 Km SE of Faenza (58541 inhabitants)
68 Km W of Fano (60888 inhabitants)
71 Km S of Ravenna (159116 inhabitants)
74 Km SE of Imola (69797 inhabitants)
74 Km E of Firenze (382808 inhabitants)
76 Km N of Perugia (166134 inhabitants)
80 Km E of Scandicci (50609 inhabitants)
86 Km NE of Siena (53903 inhabitants)
88 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 0.9 2023-10-07
20:26:54
43.7778 12.1837 15 2023-10-07
20:41:04
Sala Sismica INGV-Roma 121869041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 20:26:54 ± 0.12
Latitude 43.7778 ± 0.0054
Longitude 12.1837 ± 0.0075
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121869041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 121869041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 20:41:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2023-10-07T20:27:39.47 3.0 undecidable manual Sn 0.06 0
GU.POPM.HHZ. 2023-10-07T20:27:08.28 3.0 positive manual Pn -3.57 0
IV.NARO.HHZ. 2023-10-07T20:27:07.37 0.1 undecidable manual S 120 36.8298 100 0.19 94
IV.PIEI.HHZ. 2023-10-07T20:27:07.68 0.1 undecidable manual S 133 38.9277 99 -0.06 98
IV.SFI.EHZ. 2023-10-07T20:27:05.67 0.3 undecidable manual S 298 30.3474 103 0.18 72
IV.BADI.EHZ. 2023-10-07T20:27:05.92 0.1 undecidable manual S 171 30.1476 103 0.49 88
IV.PIEI.HHZ. 2023-10-07T20:27:02.04 0.1 undecidable manual P 133 38.9277 99 -0.23 94
IV.PARC.HHZ. 2023-10-07T20:27:01.45 0.1 undecidable manual S 163 14.9739 125 -0.24 97
IV.NARO.HHZ. 2023-10-07T20:27:01.81 0.1 undecidable manual P 120 36.8298 100 -0.14 96
IV.CPGN.EHZ. 2023-10-07T20:27:01.08 0.1 undecidable manual S 77 11.2776 135 0.15 100
IV.CRE.HHZ. 2023-10-07T20:27:01.05 3.0 undecidable manual S -0.02 0
IV.BADI.EHZ. 2023-10-07T20:27:00.98 0.1 undecidable manual P 171 30.1476 103 0.04 98
IV.SFI.EHZ. 2023-10-07T20:27:00.88 0.1 undecidable manual P 298 30.3474 103 -0.09 97
IV.CPGN.EHZ. 2023-10-07T20:26:58.18 0.1 positive manual P 77 11.2776 135 -0.16 99
IV.PARC.HHZ. 2023-10-07T20:26:58.66 0.1 undecidable manual P 163 14.9739 125 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHN. ML:1.0 0.0000346 0.24 AML other m 2023-10-07T20:27:07.52
IV.NARO.HHE. ML:0.8 0.000025149999999999998 0.42 AML other m 2023-10-07T20:27:08.30
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