Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 10-08-2021 and time 02:53:01 (UTC) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.2 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 10-08-2021 02:53:01 (UTC)
  • 10-08-2021 04:53:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0240, 13.2060 at 11 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Fano (60888 inhabitants)
27 Km E of Pesaro (94582 inhabitants)
51 Km E of Rimini (147750 inhabitants)
52 Km NW of Ancona (100861 inhabitants)
78 Km E of Cesena (96758 inhabitants)
91 Km E of Ravenna (159116 inhabitants)
96 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 1.2 2021-08-10
02:53:01		 44.0235 13.2062 11 2021-12-29
11:12:32		 Bollettino Sismico Italiano INGV 95843771
Reviewed
Rev100 		ML 1.5 2021-08-10
02:53:01		 43.9925 13.1675 10 2021-08-10
03:00:08		 Sala Sismica INGV-Roma 93905621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-10 02:53:01 ± 0.17
Latitude 44.0235 ± 0.0117
Longitude 13.2062 ± 0.0113
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95843771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1500
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 307
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.22483
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 95843771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-17 09:25:20

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 93905621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-10 03:00:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHE. 2021-08-10T02:53:27.52 0.6 undecidable manual S 225 85.0482 90 1.25 34
IV.ATBU.EHZ. 2021-08-10T02:53:26.76 0.6 undecidable manual S 221 80.4639 90 1.71 26
IV.NARO.HHZ. 2021-08-10T02:53:21.36 0.6 undecidable manual S 228 67.8765 90 -0.32 48
IV.MPAG.EHZ. 2021-08-10T02:53:17.82 0.6 undecidable manual S 219 56.499 90 -0.83 40
IV.COR1.EHZ. 2021-08-10T02:53:16.36 0.6 undecidable manual S 201 46.4202 90 0.38 50
IV.ATPC.HHE. 2021-08-10T02:53:15.74 0.3 undecidable manual P 225 85.0482 90 0.1 74
IV.APEC.HNN. 2021-08-10T02:53:14.29 0.3 undecidable manual P 231 81.3519 90 -0.79 60
IV.ATBU.EHZ. 2021-08-10T02:53:14.86 0.3 undecidable manual P 221 80.4639 90 -0.07 75
IV.PIEI.HNN. 2021-08-10T02:53:13.95 0.6 undecidable manual P 225 76.2681 90 -0.34 47
IV.NARO.HHZ. 2021-08-10T02:53:12.83 0.3 undecidable manual P 228 67.8765 90 -0.16 75
IV.CRTC.HHZ. 2021-08-10T02:53:12.91 0.6 undecidable manual S 223 38.3283 90 -0.89 41
IV.PESA.HHZ. 2021-08-10T02:53:11.94 0.6 undecidable manual S 253 30.6471 90 0.2 54
IV.ARVD.HHE. 2021-08-10T02:53:11.72 0.3 undecidable manual P 200 61.9935 90 -0.37 73
IV.FANO.HNZ. 2021-08-10T02:53:10.61 0.6 undecidable manual S 217 24.9528 90 0.37 53
IV.MPAG.EHZ. 2021-08-10T02:53:10.71 0.3 undecidable manual P 219 56.499 90 -0.53 71
IV.COR1.EHZ. 2021-08-10T02:53:09.99 0.3 undecidable manual P 201 46.4202 90 0.29 76
IV.CRTC.HHZ. 2021-08-10T02:53:08.20 0.3 undecidable manual P 223 38.3283 90 -0.24 78
IV.PESA.HHZ. 2021-08-10T02:53:07.77 0.1 undecidable manual P 253 30.6471 90 0.52 100
IV.FANO.HNZ. 2021-08-10T02:53:06.27 0.6 undecidable manual P 217 24.9528 90 -0.11 55
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHE. ML:1.8 0.000284 0.24 AML other m 2021-08-10T02:53:12.68
IV.PESA.HHN. ML:1.8 0.00032199999999999997 0.24 AML other m 2021-08-10T02:53:12.72
IV.CRTC.HHE. ML:1.2 0.00005483757 0.28 AML other m 2021-08-10T02:53:14.31
IV.MPAG.EHN. ML:0.8 0.000015938775000000002 0.3392 AML other m 2021-08-10T02:53:20.40
IV.CRTC.HHN. ML:1.3 0.00006505 0.78 AML other m 2021-08-10T02:53:20.89
IV.MPAG.EHE. ML:0.6 0.0000103274419 0.2 AML other m 2021-08-10T02:53:20.68
IV.NARO.HHN. ML:1.1 0.00001995304 0.32 AML other m 2021-08-10T02:53:23.39
IV.NARO.HHE. ML:1.2 0.000024687372499999998 0.24 AML other m 2021-08-10T02:53:23.54
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