Earthquake with magnitude of ML 1.4 on date 09-08-2021 and time 04:18:21 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.4 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 09-08-2021 02:18:21 (UTC)
  • 09-08-2021 04:18:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9760, 13.1490 at 9 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.

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 18 60888 60888

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Fano (60888 inhabitants)
20 Km E of Pesaro (94582 inhabitants)
48 Km E of Rimini (147750 inhabitants)
50 Km NW of Ancona (100861 inhabitants)
75 Km E of Cesena (96758 inhabitants)
90 Km SE of Ravenna (159116 inhabitants)
93 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 1.4 2021-08-09
02:18:21
43.9755 13.1488 9 2021-12-29
11:12:29
Bollettino Sismico Italiano INGV 95352731
Reviewed
Rev100
ML 1.9 2021-08-09
02:18:20
44.0162 13.1538 23 2021-08-09
02:27:07
Sala Sismica INGV-Roma 93866671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-09 02:18:21 ± 0.38
Latitude 43.9755 ± 0.0153
Longitude 13.1488 ± 0.0162
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95352731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1857
Semi-minor axis of confidence ellipse (meter) 1023
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 266
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.22483
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 93866671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-09 02:27:07

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 95352731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-17 09:18:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-08-09T02:18:43.10 0.6 undecidable manual S 225 69.2751 50 0.35 46
IV.FRON.EHZ. 2021-08-09T02:18:40.47 0.6 undecidable manual S 214 61.0944 50 -0.09 50
IV.NARO.HHZ. 2021-08-09T02:18:40.67 0.6 undecidable manual S 229 60.8946 50 0.16 49
IV.ARVD.HHZ. 2021-08-09T02:18:38.85 0.6 undecidable manual S 197 55.5 50 -0.23 49
IV.COR1.EHZ. 2021-08-09T02:18:35.97 0.3 undecidable manual S 197 39.9267 50 1.05 56
IV.APEC.HHZ. 2021-08-09T02:18:34.43 0.3 undecidable manual P 232 74.4699 50 -0.06 73
IV.PIEI.HHZ. 2021-08-09T02:18:33.26 0.3 undecidable manual P 225 69.2751 50 -0.43 68
IV.FRON.EHZ. 2021-08-09T02:18:32.01 0.3 undecidable manual P 214 61.0944 50 -0.41 69
IV.SENI.EHZ. 2021-08-09T02:18:32.55 0.6 undecidable manual S 167 30.747 106 0.16 52
IV.CRTC.HHZ. 2021-08-09T02:18:32.07 0.3 undecidable manual S 223 31.3464 106 -0.51 72
IV.NARO.HHZ. 2021-08-09T02:18:32.10 0.3 undecidable manual P 229 60.8946 50 -0.29 71
IV.ARVD.HHZ. 2021-08-09T02:18:31.11 0.3 undecidable manual P 197 55.5 50 -0.45 69
IV.PESA.HHZ. 2021-08-09T02:18:30.73 0.3 undecidable manual S 261 24.9528 109 0.26 77
IV.COR1.EHZ. 2021-08-09T02:18:29.37 0.3 undecidable manual P 197 39.9267 50 0.21 75
IV.CRTC.HHZ. 2021-08-09T02:18:27.51 0.1 undecidable manual P 223 31.3464 106 -0.3 100
IV.SENI.EHZ. 2021-08-09T02:18:27.99 0.3 undecidable manual P 167 30.747 106 0.29 75
IV.PESA.HHZ. 2021-08-09T02:18:27.08 0.1 undecidable manual P 261 24.9528 109 0.49 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHN. ML:2.0 0.00058609705 0.16 AML other m 2021-08-09T02:18:32.04
IV.PESA.HHE. ML:1.9 0.0005213398000000001 0.52 AML other m 2021-08-09T02:18:32.83
IV.SENI.EHN. ML:1.0 0.00004734384895 0.2 AML other m 2021-08-09T02:18:33.39
IV.SENI.EHE. ML:1.0 0.00004843168649999999 0.2 AML other m 2021-08-09T02:18:33.65
IV.CRTC.HHE. ML:1.4 0.00013172519999999998 0.32 AML other m 2021-08-09T02:18:34.66
IV.ARVD.HHN. ML:0.8 0.0000163694445 0.16 AML other m 2021-08-09T02:18:39.84
IV.CRTC.HHN. ML:1.6 0.0002016972 0.56 AML other m 2021-08-09T02:18:40.68
IV.SENI.HNE. ML:1.9 0.00035030280000000004 1.0208 AML other m 2021-08-09T02:18:40.12
IV.ARVD.HHE. ML:0.6 0.000009103122 0.2592 AML other m 2021-08-09T02:18:41.53
IV.SENI.HNN. ML:2.0 0.0005009447500000001 1.0608 AML other m 2021-08-09T02:18:41.44
IV.FRON.EHN. ML:1.1 0.000026887885 0.3008 AML other m 2021-08-09T02:18:42.82
IV.NARO.HHE. ML:1.4 0.000045249999999999995 0.94 AML other m 2021-08-09T02:18:43.91
IV.NARO.HHN. ML:1.2 0.0000314 0.82 AML other m 2021-08-09T02:18:43.90
IV.PIEI.HHE. ML:1.6 0.00006137128 0.3392 AML other m 2021-08-09T02:18:45.45
IV.PIEI.HHN. ML:1.2 0.00002787907 0.24 AML other m 2021-08-09T02:18:45.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download