Earthquake with magnitude of ML 1.5 on date 31-07-2021 and time 20:27:32 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

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

  • 31-07-2021 18:27:32 (UTC)
  • 31-07-2021 20:27:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9610, 13.1150 at 10 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 15 60888 60888
Pesaro PU 17 94582 155470

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Fano (60888 inhabitants)
17 Km E of Pesaro (94582 inhabitants)
45 Km E of Rimini (147750 inhabitants)
50 Km NW of Ancona (100861 inhabitants)
72 Km E of Cesena (96758 inhabitants)
89 Km SE of Ravenna (159116 inhabitants)
91 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 2021-07-31
18:27:32
43.961 13.1153 11 2021-12-29
11:12:29
Bollettino Sismico Italiano INGV 95261041
Reviewed
Rev100
ML 1.5 2021-07-31
18:27:31
43.9457 13.165 8 2021-07-31
18:39:25
Sala Sismica INGV-Roma 93450711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-31 18:27:32 ± 0.27
Latitude 43.9610 ± 0.0144
Longitude 13.1153 ± 0.0125
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95261041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1653
Semi-minor axis of confidence ellipse (meter) 945
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 1650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 235
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78061
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 95261041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-16 17:56:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 93450711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-31 18:39:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VULT.HHZ. 2021-07-31T18:28:26.20 3.0 undecidable manual Pn 1.82 0
OT.OT05.EHZ. 2021-07-31T18:28:23.53 3.0 negative manual Pg 7.26 0
CR.STON.BHZ. 2021-07-31T18:28:23.18 3.0 undecidable manual Pn -1.04 0
IV.RMP.HHZ. 2021-07-31T18:28:08.01 3.0 positive manual Pn 1.97 0
IV.VIVA.HHZ. 2021-07-31T18:28:07.42 3.0 negative manual Pn 0.64 0
IV.SRES.HHZ. 2021-07-31T18:28:04.89 3.0 positive manual Pg 4.12 0
IV.ATBU.HNE. 2021-07-31T18:27:54.80 0.6 undecidable manual S 220 70.4739 50 1.33 29
IV.PIEI.HHZ. 2021-07-31T18:27:52.90 0.6 undecidable manual S 225 66.2781 50 0.56 42
IV.AOI.HHE. 2021-07-31T18:27:51.96 0.6 undecidable manual S 139 59.9955 50 1.29 31
IV.NARO.HHZ. 2021-07-31T18:27:50.57 0.3 undecidable manual S 228 57.7977 50 0.48 65
IV.ARVD.HHZ. 2021-07-31T18:27:48.27 0.6 undecidable manual S 195 53.2023 50 -0.59 42
IV.MPAG.EHZ. 2021-07-31T18:27:47.02 0.3 undecidable manual S 218 46.5201 50 -0.06 73
IV.TB01.DHE.01 2021-07-31T18:27:47.11 0.3 undecidable manual P 221 84.249 50 0.55 61
IV.TB02.DHE.01 2021-07-31T18:27:47.50 0.3 undecidable manual P 221 86.6466 50 0.58 60
IV.FOSV.EHZ. 2021-07-31T18:27:46.24 0.3 undecidable manual P 201 79.1652 50 0.47 63
IV.ATVO.HHZ. 2021-07-31T18:27:46.93 0.3 undecidable manual P 222 85.7475 50 0.14 67
IV.TB03.DH1. 2021-07-31T18:27:46.39 0.3 undecidable manual P 223 83.9493 50 -0.12 67
IV.ATPC.HNE. 2021-07-31T18:27:45.08 0.3 undecidable manual P 225 74.9694 50 -0.05 69
IV.PARC.HHZ. 2021-07-31T18:27:45.62 0.3 undecidable manual P 244 78.2661 50 -0.02 70
IV.ATPI.EHE. 2021-07-31T18:27:45.88 0.3 undecidable manual P 226 80.4639 50 -0.09 68
IV.ATBU.HNE. 2021-07-31T18:27:44.24 0.1 positive manual P 220 70.4739 50 -0.19 91
IV.PIEI.HHZ. 2021-07-31T18:27:43.32 0.3 undecidable manual P 225 66.2781 50 -0.46 65
IV.AOI.HHE. 2021-07-31T18:27:43.37 0.3 undecidable manual P 139 59.9955 50 0.56 64
IV.SSFR.HNN. 2021-07-31T18:27:43.07 0.6 undecidable manual P 205 64.0914 50 -0.37 44
IV.SENI.HNN. 2021-07-31T18:27:42.43 0.6 undecidable manual S 162 29.9478 50 -0.21 48
IV.PE3.EHE. 2021-07-31T18:27:42.32 0.6 undecidable manual P 240 57.5979 50 -0.13 47
IV.FRON.EHE. 2021-07-31T18:27:42.04 0.3 undecidable manual P 213 58.1973 50 -0.51 65
IV.NARO.HHZ. 2021-07-31T18:27:42.11 0.3 undecidable manual P 228 57.7977 50 -0.37 67
IV.CRTC.HHZ. 2021-07-31T18:27:41.92 0.6 undecidable manual S 221 28.3494 50 -0.29 48
IV.PESA.HHZ. 2021-07-31T18:27:41.14 0.6 undecidable manual S 264 22.0668 50 0.58 45
IV.ARVD.HHZ. 2021-07-31T18:27:41.19 0.3 undecidable manual P 195 53.2023 50 -0.58 64
IV.MPAG.EHZ. 2021-07-31T18:27:40.14 0.3 undecidable manual P 218 46.5201 50 -0.6 64
IV.COR1.EHZ. 2021-07-31T18:27:39.40 0.3 undecidable manual P 194 37.629 50 0.03 75
IV.FANO.HNE. 2021-07-31T18:27:38.54 0.6 undecidable manual S 211 15.1737 125 0.06 51
IV.SENI.HNN. 2021-07-31T18:27:38.11 0.3 undecidable manual P 162 29.9478 50 -0.07 75
IV.CRTC.HHZ. 2021-07-31T18:27:37.52 0.3 undecidable manual P 221 28.3494 50 -0.41 70
IV.PESA.HHZ. 2021-07-31T18:27:37.10 0.1 undecidable manual P 264 22.0668 50 0.13 100
IV.FANO.HNE. 2021-07-31T18:27:35.60 0.3 undecidable manual P 211 15.1737 125 -0.17 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.HNN. ML:2.4 0.00094821705 1.344 AML other m 2021-07-31T18:27:40.86
IV.PESA.HHN. ML:1.8 0.0004284163 0.128 AML other m 2021-07-31T18:27:42.02
IV.CRTC.HHN. ML:1.5 0.00017096275 0.1664 AML other m 2021-07-31T18:27:42.48
IV.CRTC.HNN. ML:3.1 0.006841031 0.7808 AML other m 2021-07-31T18:27:43.10
IV.CRTC.HHE. ML:1.6 0.000192074 0.4096 AML other m 2021-07-31T18:27:44.68
IV.PESA.HHE. ML:1.8 0.00039953635 0.4608 AML other m 2021-07-31T18:27:46.80
IV.CRTC.HNE. ML:3.1 0.0059980836499999995 0.4608 AML other m 2021-07-31T18:27:47.48
IV.COR1.EHN. ML:1.5 0.00012114169999999999 0.2816 AML other m 2021-07-31T18:27:48.10
IV.COR1.EHE. ML:1.2 0.0000538065405 0.3584 AML other m 2021-07-31T18:27:49.59
IV.MPAG.EHN. ML:1.2 0.00004895 0.22 AML other m 2021-07-31T18:27:49.68
IV.NARO.HHE. ML:1.3 0.00004720000000000001 0.98 AML other m 2021-07-31T18:27:53.94
IV.NARO.HHN. ML:1.1 0.000032163445 0.1536 AML other m 2021-07-31T18:27:53.62
IV.COR1.HNE. ML:2.7 0.0017229090000000001 1.1008 AML other m 2021-07-31T18:27:54.27
IV.MPAG.EHE. ML:1.0 0.0000316 1.26 AML other m 2021-07-31T18:27:55.19
IV.PIEI.HHE. ML:1.5 0.000053849999999999994 0.34 AML other m 2021-07-31T18:27:55.46
IV.PIEI.HHN. ML:1.2 0.000029895890000000002 0.32 AML other m 2021-07-31T18:27:55.53
IV.MPAG.HNE. ML:2.5 0.00084928155 0.704 AML other m 2021-07-31T18:27:55.72
IV.MPAG.HNN. ML:2.5 0.0009768119 0.704 AML other m 2021-07-31T18:27:55.72
IV.FOSV.EHE. ML:1.0 0.000015981892000000002 0.2944 AML other m 2021-07-31T18:27:58.68
IV.PARC.HHN. ML:1.2 0.000018750025 0.2176 AML other m 2021-07-31T18:27:58.87
IV.PARC.HHE. ML:1.0 0.0000153936255 0.3584 AML other m 2021-07-31T18:27:59.87
IV.FOSV.EHN. ML:1.0 0.00001426677 0.2048 AML other m 2021-07-31T18:28:04.94
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