Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 29-07-2020 and time 19:31:54 (Italy) in region 7 km NW Casteldelci (RN)

A magnitude ML 0.9 earthquake occured in region: 7 km NW Casteldelci (RN), on

  • 29-07-2020 17:31:54 (UTC)
  • 29-07-2020 19:31:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8350, 12.0960 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.

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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
Casteldelci RN 7 407 407
Verghereto FC 8 1907 2314
Sant'Agata Feltria RN 10 2151 4465
Bagno di Romagna FC 10 6026 10491
Sarsina FC 10 3446 13937
Pennabilli RN 14 2869 16806
Mercato Saraceno FC 16 6886 23692
Badia Tedalda AR 16 1087 24779
Novafeltria RN 17 7164 31943
Talamello RN 17 1104 33047
Maiolo RN 18 848 33895
Pieve Santo Stefano AR 19 3183 37078
Santa Sofia FC 20 4136 41214
Chiusi della Verna AR 20 2023 43237

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Cesena (96758 inhabitants)
43 Km S of Forlì (117913 inhabitants)
44 Km NE of Arezzo (99543 inhabitants)
45 Km SW of Rimini (147750 inhabitants)
53 Km SE of Faenza (58541 inhabitants)
65 Km SE of Imola (69797 inhabitants)
65 Km S of Ravenna (159116 inhabitants)
66 Km W of Pesaro (94582 inhabitants)
68 Km E of Firenze (382808 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
74 Km W of Fano (60888 inhabitants)
80 Km E of Prato (191150 inhabitants)
84 Km NE of Siena (53903 inhabitants)
84 Km N of Perugia (166134 inhabitants)
95 Km SE of Bologna (386663 inhabitants)
95 Km E of Pistoia (90315 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 2020-07-29
17:31:54		 43.8353 12.0955 10 2020-07-29
17:41:17		 Sala Sismica INGV-Roma 81460801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-29 17:31:54 ± 0.1
Latitude 43.8353 ± 0.0063
Longitude 12.0955 ± 0.0075
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 81460801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 777
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 12
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) 0.36962
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81460801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-29 17:41:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2020-07-29T17:33:20.64 3.0 undecidable manual Sg 7.43 0
IV.VBKN.HHZ. 2020-07-29T17:33:12.49 3.0 undecidable manual Sn -2.61 0
IV.ROSPO.HHZ. 2020-07-29T17:33:08.45 3.0 undecidable manual Sg 13.87 0
IV.VOBA.HNZ. 2020-07-29T17:33:04.41 3.0 undecidable manual Sg 10.03 0
IV.TDS.HHZ. 2020-07-29T17:33:01.21 3.0 positive manual Pg 14.19 0
IV.FAGN.HHZ. 2020-07-29T17:32:58.33 3.0 undecidable manual Sg 10.95 0
ST.RONC.EHZ. 2020-07-29T17:32:51.68 3.0 undecidable manual Sn -5.64 0
IV.LAV9.HNZ. 2020-07-29T17:32:50.16 3.0 undecidable manual Sn -6.14 0
IV.CMPR.HHZ. 2020-07-29T17:32:48.64 3.0 positive manual Pg 13.05 0
IV.RIBO.EHZ.01 2020-07-29T17:32:45.24 3.0 undecidable manual Sg -1.31 0
MN.TRI.HHZ. 2020-07-29T17:32:43.77 3.0 undecidable manual Sg -0.34 0
IV.FIR.HHZ. 2020-07-29T17:32:42.13 3.0 undecidable manual Sg 2.6 0
IV.CSNT.HHZ. 2020-07-29T17:32:39.00 3.0 undecidable manual Sg -1.6 0
GU.RORO.HHZ. 2020-07-29T17:32:36.44 3.0 undecidable manual Pg 7.9 0
IV.CAFE.HHZ. 2020-07-29T17:32:31.35 3.0 undecidable manual Pn 3.46 0
IV.VOBA.HNZ. 2020-07-29T17:32:23.32 3.0 negative manual Pg 7.62 0
IV.VCEL.EHZ. 2020-07-29T17:32:17.26 3.0 positive manual Pg 6.09 0
ST.OZOL.EHZ. 2020-07-29T17:32:13.39 3.0 positive manual Pn -5.51 0
IV.SACS.HHZ. 2020-07-29T17:32:13.18 3.0 negative manual Pg 4.53 0
IT.PLTA.HNZ. 2020-07-29T17:32:12.10 3.0 undecidable manual Pn -6.01 0
IV.FIU.EHZ. 2020-07-29T17:32:11.72 3.0 negative manual Pg 5.04 0
IV.FAGN.HHZ. 2020-07-29T17:32:08.93 3.0 undecidable manual Pn -2.84 0
IV.LMD.HHZ. 2020-07-29T17:32:08.62 0.6 undecidable manual S 311 41.0256 50 0.29 46
IV.ARVD.HHZ. 2020-07-29T17:32:06.06 3.0 undecidable manual Pg 2.12 0
IV.ASQU.HHZ. 2020-07-29T17:32:04.34 0.6 undecidable manual S 260 24.8529 50 0.32 46
IV.CRE.HHZ. 2020-07-29T17:32:04.77 0.3 undecidable manual S 206 26.6511 50 0.28 71
IV.SFI.EHZ. 2020-07-29T17:32:03.03 0.6 undecidable manual S 291 21.3675 115 0.12 48
IV.PARC.HHZ. 2020-07-29T17:32:03.53 0.3 undecidable manual S 151 23.6541 113 -0.12 73
IV.LMD.HHZ. 2020-07-29T17:32:02.19 0.1 undecidable manual P 311 41.0256 50 -0.38 89
IV.CPGN.EHZ. 2020-07-29T17:32:02.39 0.6 undecidable manual S 102 18.3705 119 0.38 47
IV.CRE.HHZ. 2020-07-29T17:32:00.33 0.1 undecidable manual P 206 26.6511 50 -0.03 98
IV.ASQU.HHZ. 2020-07-29T17:32:00.01 0.1 undecidable manual P 260 24.8529 50 -0.08 99
IV.CPGN.EHZ. 2020-07-29T17:31:59.12 0.1 undecidable manual P 102 18.3705 119 0.19 97
IV.SFI.EHZ. 2020-07-29T17:31:59.39 0.1 undecidable manual P 291 21.3675 115 -0.05 100
IV.PARC.HHZ. 2020-07-29T17:31:59.56 0.1 positive manual P 151 23.6541 113 -0.32 94
IV.CRTC.HHZ. 2020-07-29T17:31:58.83 3.0 undecidable manual P -4.41 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:1.2 0.0001013 0.14 AML other m 2020-07-29T17:32:03.70
IV.PARC.HHE. ML:0.9 0.000044 0.18 AML other m 2020-07-29T17:32:03.69
IV.CPGN.EHE. ML:1.0 0.00009154999999999999 0.54 AML other m 2020-07-29T17:32:04.71
IV.CPGN.EHN. ML:1.0 0.00008195 0.26 AML other m 2020-07-29T17:32:04.94
IV.ASQU.HHE. ML:0.7 0.000028400000000000003 1.18 AML other m 2020-07-29T17:32:06.78
IV.ASQU.HHN. ML:0.6 0.00002495 0.46 AML other m 2020-07-29T17:32:07.98
IV.LMD.HHE. ML:1.0 0.00003265 1 AML other m 2020-07-29T17:32:09.76
IV.LMD.HHN. ML:1.0 0.0000291 0.24 AML other m 2020-07-29T17:32:09.40
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