Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-08-2021 and time 14:46:36 (UTC) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.5 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 08-08-2021 14:46:36 (UTC)
  • 08-08-2021 16:46:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9410, 13.1860 at 7 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
Fano PU 17 60888 60888

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Fano (60888 inhabitants)
22 Km E of Pesaro (94582 inhabitants)
45 Km NW of Ancona (100861 inhabitants)
51 Km E of Rimini (147750 inhabitants)
79 Km E of Cesena (96758 inhabitants)
95 Km SE of Ravenna (159116 inhabitants)
97 Km E of Forlì (117913 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 1.5 2021-08-08
14:46:36		 43.9412 13.1865 7 2021-12-29
11:12:53		 Bollettino Sismico Italiano INGV 98343111
Reviewed
Rev100 		ML 1.6 2021-08-08
14:46:36		 43.9715 13.1972 13 2021-08-08
14:55:07		 Sala Sismica INGV-Roma 93844851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-08 14:46:36 ± 0.3
Latitude 43.9412 ± 0.0126
Longitude 13.1865 ± 0.0162
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98343111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1369
Semi-minor axis of confidence ellipse (meter) 1317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 292
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62053
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 98343111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-09 12:15:58

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 93844851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-08 14:55:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.PGN3.HHZ.02 2021-08-08T14:48:37.98 3.0 undecidable manual Sg 9.73 0
IV.MCRV.HHZ. 2021-08-08T14:48:30.45 3.0 undecidable manual Sg 13.46 0
IV.DGI.HHZ. 2021-08-08T14:48:27.66 3.0 undecidable manual Sg 9.28 0
CR.STON.BHZ. 2021-08-08T14:48:25.90 3.0 undecidable manual Sn -0.98 0
IV.PTRP.HHZ. 2021-08-08T14:48:23.53 3.0 undecidable manual Sn -8.85 0
IV.MMGO.HHZ. 2021-08-08T14:48:13.78 3.0 undecidable manual Pg 12.27 0
IV.SICLA.EHZ. 2021-08-08T14:48:13.67 3.0 negative manual Pg 11.64 0
IV.GIZZ.HHZ. 2021-08-08T14:48:13.21 3.0 positive manual Pg 17.33 0
IV.IFOR.HHZ. 2021-08-08T14:48:10.83 3.0 undecidable manual Sg 4.61 0
IV.BSSO.HHZ. 2021-08-08T14:48:04.36 3.0 undecidable manual Sg 8.61 0
TV.SU26.HHZ. 2021-08-08T14:48:04.30 3.0 negative manual Pg 14.35 0
IV.TRIV.HHZ. 2021-08-08T14:47:50.68 3.0 undecidable manual Sn -0.44 0
GU.MGRO.HHZ. 2021-08-08T14:47:47.37 3.0 undecidable manual Sn -7.39 0
MN.BNI.HHZ. 2021-08-08T14:47:43.83 3.0 undecidable manual Pg 13.96 0
IV.SCHR.EHZ. 2021-08-08T14:47:38.98 3.0 undecidable manual Pn -2.39 0
IV.TEOL.HHZ. 2021-08-08T14:47:16.68 3.0 undecidable manual Sg -1.37 0
GU.GBOS.HHZ. 2021-08-08T14:47:13.91 3.0 undecidable manual Pn -2.68 0
IV.FREG.EHZ. 2021-08-08T14:47:05.13 3.0 undecidable manual Pg 0.08 0
GU.CARD.HHZ. 2021-08-08T14:47:01.80 3.0 undecidable manual S -5.43 0
IV.CADC.HNZ. 2021-08-08T14:46:59.16 3.0 positive manual Pn -4.47 0
IV.PIEI.HHZ. 2021-08-08T14:46:58.19 0.3 undecidable manual S 229 68.8755 50 0.09 71
IV.AOI.HHZ. 2021-08-08T14:46:57.14 3.0 undecidable manual Sg 0
IV.FRON.EHE. 2021-08-08T14:46:56.00 0.6 undecidable manual S 218 59.7957 50 0.34 46
IV.NARO.HHZ. 2021-08-08T14:46:55.87 0.3 undecidable manual S 233 60.7947 50 -0.07 75
IV.ARVD.HHZ. 2021-08-08T14:46:54.30 0.3 undecidable manual S 202 52.9026 50 0.47 69
IV.MPAG.HNE. 2021-08-08T14:46:52.42 0.3 undecidable manual S 225 48.618 50 -0.27 73
IV.TEOL.HHZ. 2021-08-08T14:46:52.63 3.0 undecidable manual P -3.48 0
IV.PIEI.HHZ. 2021-08-08T14:46:48.61 0.1 undecidable manual P 229 68.8755 50 -0.34 92
IV.CRTC.HHZ. 2021-08-08T14:46:47.38 0.6 undecidable manual S 232 30.9468 104 -0.1 50
IV.NARO.HHZ. 2021-08-08T14:46:47.41 0.3 undecidable manual P 233 60.7947 50 -0.29 71
IV.FRON.EHE. 2021-08-08T14:46:47.38 0.3 undecidable manual P 218 59.7957 50 -0.16 73
IV.ARVD.HHZ. 2021-08-08T14:46:46.48 0.3 undecidable manual P 202 52.9026 50 0 76
IV.PESA.HHZ. 2021-08-08T14:46:46.60 0.3 undecidable manual S 270 27.6501 105 0.22 75
IV.MPAG.HNE. 2021-08-08T14:46:45.42 0.3 undecidable manual P 225 48.618 50 -0.4 71
IV.COR1.EHZ. 2021-08-08T14:46:44.72 0.3 undecidable manual P 204 37.4292 101 0.64 67
IV.AOI.HHZ. 2021-08-08T14:46:42.02 3.0 undecidable manual Pg 0
IV.PESA.HHZ. 2021-08-08T14:46:42.43 0.1 undecidable manual P 270 27.6501 105 0.25 100
IV.FANO.HNZ. 2021-08-08T14:46:42.64 0.6 undecidable manual S 231 17.2716 113 -0.32 49
IV.CRTC.HHZ. 2021-08-08T14:46:42.91 0.3 undecidable manual P 232 30.9468 104 0.1 78
IV.FANO.HNZ. 2021-08-08T14:46:39.84 1.0 undecidable manual P 231 17.2716 113 -0.37 24
IV.BRIS.HHZ. 2021-08-08T14:46:34.85 3.0 undecidable manual P -1.34 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHN. ML:2.0 0.00049398075 0.16 AML other m 2021-08-08T14:46:47.41
IV.PESA.HHE. ML:1.9 0.00043027915 0.16 AML other m 2021-08-08T14:46:47.94
IV.CRTC.HHE. ML:1.4 0.000131199945 0.1792 AML other m 2021-08-08T14:46:49.02
IV.CRTC.HHN. ML:1.4 0.0001127077 0.1856 AML other m 2021-08-08T14:46:47.83
IV.NARO.HHN. ML:1.2 0.00003135 0.32 AML other m 2021-08-08T14:46:58.12
IV.NARO.HHE. ML:1.3 0.000045350000000000005 0.3 AML other m 2021-08-08T14:46:58.28
IV.PIEI.HHE. ML:1.6 0.00006305 0.32 AML other m 2021-08-08T14:47:00.81
IV.PIEI.HHN. ML:1.2 0.00002980193 0.2176 AML other m 2021-08-08T14:47:00.99
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