Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 15-07-2021 and time 17:36:11 (Italy) in region Montescudo Monte Colombo (RN)

A magnitude ML 1.7 earthquake occured in region: Montescudo Monte Colombo (RN), on

  • 15-07-2021 15:36:11 (UTC)
  • 15-07-2021 17:36:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9230, 12.5440 at 47 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.

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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
Montescudo - Monte Colombo RN 0 6779 6779
Gemmano RN 4 1158 7937
Sassofeltrio PU 4 1388 9325
Montefiore Conca RN 7 2269 11594
San Clemente RN 7 5577 17171
Coriano RN 7 10502 27673
Mercatino Conca PU 7 1086 28759
Morciano di Romagna RN 8 7045 35804
Monte Grimano Terme PU 8 1136 36940
Tavoleto PU 9 867 37807
Auditore PU 11 1566 39373
Saludecio RN 12 3120 42493
Verucchio RN 12 10078 52571
Riccione RN 13 34965 87536
Mondaino RN 13 1394 88930
Misano Adriatico RN 13 13014 101944
Montegridolfo RN 14 1012 102956
San Giovanni in Marignano RN 14 9417 112373
Monte Cerignone PU 14 669 113042
Montecalvo in Foglia PU 14 2718 115760
Poggio Torriana RN 14 5135 120895
Macerata Feltria PU 16 1990 122885
Rimini RN 16 147750 270635
Sassocorvaro PU 16 3504 274139
San Leo RN 16 2972 277111
Cattolica RN 17 17125 294236
Tavullia PU 17 8003 302239
Montecopiolo PU 17 1128 303367
Santarcangelo di Romagna RN 18 22089 325456
Gabicce Mare PU 18 5781 331237
Gradara PU 19 4835 336072
Pietrarubbia PU 19 660 336732
Maiolo RN 19 848 337580
Borghi FC 19 2843 340423

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km S of Rimini (147750 inhabitants)
30 Km W of Pesaro (94582 inhabitants)
34 Km SE of Cesena (96758 inhabitants)
39 Km W of Fano (60888 inhabitants)
52 Km SE of Forlì (117913 inhabitants)
62 Km SE of Ravenna (159116 inhabitants)
66 Km SE of Faenza (58541 inhabitants)
73 Km NE of Arezzo (99543 inhabitants)
82 Km SE of Imola (69797 inhabitants)
85 Km W of Ancona (100861 inhabitants)
92 Km N of Perugia (166134 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 1.7 2021-07-15
15:36:11		 43.9228 12.5442 47 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95819501
Reviewed
Rev100 		ML 1.7 2021-07-15
15:36:11		 43.917 12.5308 48 2021-07-15
16:08:26		 Sala Sismica INGV-Roma 92793971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-15 15:36:11 ± 0.2
Latitude 43.9228 ± 0.0117
Longitude 12.5442 ± 0.0125
Depth (km) 47 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95819501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1291
Semi-minor axis of confidence ellipse (meter) 362
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) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83997
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 95819501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-08 16:27:25

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 92793971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-15 16:08:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BNI.HHZ. 2021-07-15T15:37:49.44 3.0 undecidable manual Sn 11.13 0
IV.AGLI.HHZ. 2021-07-15T15:37:49.39 3.0 undecidable manual Sg 16.540001 0
IV.PAOL.HHZ. 2021-07-15T15:37:46.03 3.0 undecidable manual Sg 12.38 0
IV.GIZZ.HHZ. 2021-07-15T15:37:41.26 3.0 negative manual Pg 16.84 0
IV.PTRJ.HNZ. 2021-07-15T15:37:36.88 3.0 undecidable manual Sg 10.48 0
CH.FUSIO.HHZ. 2021-07-15T15:37:19.89 3.0 undecidable manual Sn -3.81 0
SL.KOGS.BHZ. 2021-07-15T15:37:11.37 3.0 undecidable manual Pg 17.93 0
IV.QLNO.HHZ. 2021-07-15T15:37:04.51 3.0 undecidable manual Sn -2.56 0
IX.SCL3.EHZ.02 2021-07-15T15:37:01.34 3.0 positive manual Pn 0.65 0
IV.VCEL.EHZ. 2021-07-15T15:37:00.92 3.0 undecidable manual Sn 2.28 0
IX.STN3.HNZ.01 2021-07-15T15:36:57.70 3.0 undecidable manual Pn -5.69 0
IV.PCN.EHZ. 2021-07-15T15:36:50.39 3.0 undecidable manual Sn 2.2 0
IV.VOBA.EHZ. 2021-07-15T15:36:45.89 3.0 undecidable manual Sn -2.26 0
IV.EUCT.HNZ. 2021-07-15T15:36:37.85 3.0 undecidable manual Pg 5.87 0
IV.VIVA.HHZ. 2021-07-15T15:36:37.32 3.0 undecidable manual Pn 2.4 0
IV.RUFI.EHE. 2021-07-15T15:36:37.59 0.6 undecidable manual S 264 83.25 103 0.99 35
IV.LMD.HHE. 2021-07-15T15:36:34.17 0.6 undecidable manual S 285 68.9754 108 0.55 42
IV.BADI.EHZ. 2021-07-15T15:36:30.46 0.6 undecidable manual S 208 51.7038 118 0.27 47
IV.SFI.HNZ. 2021-07-15T15:36:30.85 0.6 undecidable manual S 268 55.7997 115 -0.11 47
IV.ATBU.HNN. 2021-07-15T15:36:30.41 0.3 undecidable manual S 180 49.617 119 0.63 64
IV.ATPC.HHN. 2021-07-15T15:36:30.00 0.3 undecidable manual S 188 49.5171 119 0.23 71
IV.FRON.EHZ. 2021-07-15T15:36:29.77 0.3 undecidable manual S 162 47.2194 121 0.43 68
IV.APEC.HNN. 2021-07-15T15:36:28.12 0.3 undecidable manual S 194 41.625 126 -0.22 72
IV.PIEI.HHZ. 2021-07-15T15:36:28.21 0.3 undecidable manual S 181 42.9237 125 -0.36 69
IV.VISG.HHZ. 2021-07-15T15:36:28.05 1.0 undecidable manual P 289 93.24 100 0.97 17
IV.MPAG.EHZ. 2021-07-15T15:36:27.75 0.6 undecidable manual S 152 36.8298 131 0.22 48
IV.NARO.HHZ. 2021-07-15T15:36:26.80 0.3 undecidable manual S 175 34.743 133 -0.39 70
IV.RUFI.EHE. 2021-07-15T15:36:26.18 0.3 undecidable manual P 264 83.25 103 0.32 65
IV.PESA.HHZ. 2021-07-15T15:36:26.44 0.6 undecidable manual S 85 23.754 146 0.79 41
IV.PE3.EHZ. 2021-07-15T15:36:25.61 0.6 undecidable manual S 189 25.4523 144 -0.26 49
IV.CPGN.EHZ. 2021-07-15T15:36:25.56 0.6 undecidable manual S 233 22.4553 148 0.06 52
IV.MML1.EHZ. 2021-07-15T15:36:24.40 3.0 negative manual Pg 5.86 0
IV.RSM2.HHZ. 2021-07-15T15:36:24.26 0.6 undecidable manual S 282 8.0808 168 -0.06 52
IV.ASQU.HHE. 2021-07-15T15:36:23.33 0.3 undecidable manual P 257 61.9935 111 0.01 72
IV.LMD.HHE. 2021-07-15T15:36:23.64 0.3 undecidable manual P 285 68.9754 108 -0.5 64
IV.CRE.HHE. 2021-07-15T15:36:23.89 0.3 undecidable manual P 235 58.1973 113 1 53
IV.BADI.EHZ. 2021-07-15T15:36:22.02 0.3 undecidable manual P 208 51.7038 118 -0.14 72
IV.ATBU.HNN. 2021-07-15T15:36:22.00 0.1 negative manual P 180 49.617 119 0.08 97
IV.COR1.HNN. 2021-07-15T15:36:22.34 0.6 undecidable manual P 131 48.7179 120 0.51 44
IV.SFI.HNZ. 2021-07-15T15:36:21.96 0.1 undecidable manual P 268 55.7997 115 -0.65 83
IV.ATPC.HHN. 2021-07-15T15:36:21.97 0.3 undecidable manual P 188 49.5171 119 0.05 73
IV.FRON.EHZ. 2021-07-15T15:36:21.66 0.3 undecidable manual P 162 47.2194 121 -0.01 74
IV.MPAG.EHZ. 2021-07-15T15:36:20.55 0.1 negative manual P 152 36.8298 131 -0.08 100
IV.APEC.HNN. 2021-07-15T15:36:20.72 0.3 undecidable manual P 194 41.625 126 -0.37 70
IV.NARO.HHZ. 2021-07-15T15:36:20.00 0.1 negative manual P 175 34.743 133 -0.43 93
IV.PIEI.HHZ. 2021-07-15T15:36:20.79 0.1 negative manual P 181 42.9237 125 -0.44 91
IV.CPGN.EHZ. 2021-07-15T15:36:19.19 0.3 undecidable manual P 233 22.4553 148 -0.26 74
IV.PE3.EHZ. 2021-07-15T15:36:19.23 0.3 undecidable manual P 189 25.4523 144 -0.44 71
IV.PESA.HHZ. 2021-07-15T15:36:19.85 0.3 undecidable manual P 85 23.754 146 0.31 72
IV.RSM2.HHZ. 2021-07-15T15:36:18.84 0.3 undecidable manual P 282 8.0808 168 0.07 79
IT.FIE.HGZ. 2021-07-15T15:36:17.37 3.0 undecidable manual S -0.52 0
IV.CAVE.HHZ. 2021-07-15T15:36:14.49 3.0 positive manual P 0.05 0
GU.GSCL.HHZ. 2021-07-15T15:36:10.15 3.0 undecidable manual P -4.39 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PE3.EHN. ML:2.2 0.000371 1.54 AML other m 2021-07-15T15:36:25.83
IV.PE3.EHE. ML:1.8 0.0001618 0.44 AML other m 2021-07-15T15:36:25.99
IV.PESA.HHE. ML:1.9 0.00021243570000000002 0.256 AML other m 2021-07-15T15:36:26.64
IV.PESA.HHN. ML:2.3 0.0004665 0.16 AML other m 2021-07-15T15:36:26.63
IV.NARO.HHE. ML:1.8 0.0001445 1.84 AML other m 2021-07-15T15:36:26.03
IV.NARO.HHN. ML:1.8 0.00014399999999999998 0.18 AML other m 2021-07-15T15:36:27.02
IV.MPAG.EHN. ML:1.1 0.000026185935000000002 0.2176 AML other m 2021-07-15T15:36:28.10
IV.PIEI.HHN. ML:1.5 0.00006727636000000001 0.2816 AML other m 2021-07-15T15:36:28.41
IV.PIEI.HHE. ML:1.9 0.0001705 0.32 AML other m 2021-07-15T15:36:28.50
IV.MPAG.EHE. ML:1.5 0.00006584999999999999 0.52 AML other m 2021-07-15T15:36:28.75
IV.BADI.EHE. ML:1.4 0.000042676585 0.3968 AML other m 2021-07-15T15:36:30.75
IV.BADI.EHN. ML:1.5 0.0000552 1.1 AML other m 2021-07-15T15:36:31.04
IV.CPGN.EHE. ML:1.1 0.0000346893865 0.2048 AML other m 2021-07-15T15:36:26.53
IV.CPGN.EHN. ML:1.1 0.000032103765 0.32 AML other m 2021-07-15T15:36:26.69
IV.MML1.EHE. ML:1.5 0.0000309544 0.4352 AML other m 2021-07-15T15:36:42.31
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