Earthquake with magnitude of ML 2.1 on date 31-07-2021 and time 17:18:48 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 2.1 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 31-07-2021 15:18:48 (UTC)
  • 31-07-2021 17:18:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0050, 13.1350 at 18 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Fano (60888 inhabitants)
21 Km NE of Pesaro (94582 inhabitants)
46 Km E of Rimini (147750 inhabitants)
53 Km NW of Ancona (100861 inhabitants)
73 Km E of Cesena (96758 inhabitants)
88 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 2.1 2021-07-31
15:18:48
44.0052 13.1347 18 2021-12-29
11:12:29
Bollettino Sismico Italiano INGV 95260201
Reviewed
Rev100
ML 2.1 2021-07-31
15:18:48
43.993 13.0892 29 2021-07-31
15:43:17
Sala Sismica INGV-Roma 93444191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-31 15:18:48 ± 0.32
Latitude 44.0052 ± 0.0153
Longitude 13.1347 ± 0.0188
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95260201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1557
Semi-minor axis of confidence ellipse (meter) 977
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 1560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91461
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 93444191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-31 15:43:17

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 95260201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-16 18:23:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2021-07-31T15:19:48.09 3.0 undecidable manual Pg 19.35 0
IV.EUCT.HNZ. 2021-07-31T15:19:47.69 3.0 positive manual Pg 20.82 0
IV.ZEN8.EHZ. 2021-07-31T15:19:36.58 3.0 undecidable manual Pg 14.27 0
IV.PLLN.EHZ. 2021-07-31T15:19:35.71 3.0 undecidable manual Sn -6.23 0
IT.GNV.HGZ. 2021-07-31T15:19:33.57 3.0 undecidable manual Pg 12.3 0
GU.MGRO.HHZ. 2021-07-31T15:19:30.41 3.0 positive manual Pn 2.74 0
IV.SBPO.HNZ. 2021-07-31T15:19:27.01 3.0 positive manual Pg 12.55 0
IV.FIR.HHZ. 2021-07-31T15:19:25.21 3.0 undecidable manual Sn -9.15 0
IV.SGAL.EHZ. 2021-07-31T15:19:23.50 3.0 undecidable manual Pn -0.07 0
IV.CSP1.EHZ. 2021-07-31T15:19:19.43 0.6 undecidable manual S 177 101.5206 94 1.33 31
IV.VOBA.EHZ. 2021-07-31T15:19:17.35 3.0 positive manual Pn -6.14 0
IV.EL6.EHZ. 2021-07-31T15:19:11.47 0.3 undecidable manual S 182 74.9694 96 0.4 69
IV.PIEI.HHZ. 2021-07-31T15:19:10.27 0.3 undecidable manual S 223 70.8735 97 0.3 67
IV.ACATE.EHZ. 2021-07-31T15:19:10.60 3.0 undecidable manual Pn -5.53 0
AC.VLO.HHZ. 2021-07-31T15:19:08.80 3.0 positive manual Pn -6.56 0
MN.TRI.HHZ. 2021-07-31T15:19:08.15 3.0 undecidable manual Pn -7.04 0
IV.NARO.HHZ. 2021-07-31T15:19:07.87 0.6 undecidable manual S 226 62.2932 98 0.17 47
IV.ARVD.HHZ. 2021-07-31T15:19:05.87 0.3 undecidable manual S 195 58.2972 98 -0.79 62
IV.MURB.HHE. 2021-07-31T15:19:05.42 0.6 undecidable manual P 211 95.8263 95 0.7 39
IV.CSP1.EHZ. 2021-07-31T15:19:05.70 0.3 undecidable manual P 177 101.5206 94 0.11 70
IV.COR1.EHZ. 2021-07-31T15:19:02.80 0.3 undecidable manual S 195 42.8238 103 0.23 75
IV.ATFO.HHN. 2021-07-31T15:19:02.62 0.6 undecidable manual P 213 84.0492 95 -0.29 46
IV.EL6.EHZ. 2021-07-31T15:19:01.38 0.3 undecidable manual P 182 74.9694 96 -0.15 70
IV.SENI.EHZ. 2021-07-31T15:19:00.46 0.6 undecidable manual S 167 34.2435 107 0.11 52
IV.PIEI.HHZ. 2021-07-31T15:19:00.52 0.1 positive manual P 223 70.8735 97 -0.37 93
IV.CRTC.HHZ. 2021-07-31T15:18:59.36 0.3 undecidable manual S 218 33.0447 108 -0.71 70
IV.NARO.HHZ. 2021-07-31T15:18:59.36 0.3 undecidable manual P 226 62.2932 98 -0.22 73
IV.ARVD.HHZ. 2021-07-31T15:18:58.41 0.3 undecidable manual P 195 58.2972 98 -0.57 66
IV.PESA.HHZ. 2021-07-31T15:18:58.19 0.3 undecidable manual S 253 24.5532 116 0.24 74
IV.SERS.HHZ. 2021-07-31T15:18:56.41 3.0 undecidable manual Pn -3.03 0
IV.SPS2.HHZ. 2021-07-31T15:18:56.11 3.0 negative manual Pg 1.76 0
IV.COR1.EHZ. 2021-07-31T15:18:56.69 0.3 undecidable manual P 195 42.8238 103 0.07 79
IV.SENI.EHZ. 2021-07-31T15:18:55.53 0.6 undecidable manual P 167 34.2435 107 0.19 53
IV.MTGR.HHZ. 2021-07-31T15:18:54.08 3.0 negative manual Pn -9.99 0
IV.CRTC.HHZ. 2021-07-31T15:18:54.77 0.1 positive manual P 218 33.0447 108 -0.41 98
IV.PESA.HHZ. 2021-07-31T15:18:54.32 0.1 positive manual P 253 24.5532 116 0.37 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRTC.HNE. ML:3.2 0.0058769700000000005 0.5504 AML other m 2021-07-31T15:18:58.23
IV.PESA.HHE. ML:2.3 0.0011331181999999999 0.2304 AML other m 2021-07-31T15:19:00.02
IV.CRTC.HNN. ML:3.2 0.0061258915 0.4736 AML other m 2021-07-31T15:19:00.54
IV.SENI.HNE. ML:2.4 0.0010515492499999998 0.3328 AML other m 2021-07-31T15:19:01.61
IV.SENI.EHN. ML:1.7 0.0001727881 0.3456 AML other m 2021-07-31T15:19:02.57
IV.CRTC.HHE. ML:2.0 0.00042970295 0.2048 AML other m 2021-07-31T15:19:02.84
IV.PESA.HHN. ML:2.2 0.0009377990499999999 0.4992 AML other m 2021-07-31T15:19:04.26
IV.SENI.HNN. ML:2.4 0.0010488893 0.2944 AML other m 2021-07-31T15:19:06.72
IV.ARVD.HHN. ML:1.4 0.00005475 0.18 AML other m 2021-07-31T15:19:07.02
IV.ARVD.HHE. ML:1.3 0.000045122154999999997 0.2176 AML other m 2021-07-31T15:19:08.36
IV.CRTC.HHN. ML:2.0 0.0003662295 0.384 AML other m 2021-07-31T15:19:09.89
IV.NARO.HHE. ML:1.9 0.0001611518 1.7184 AML other m 2021-07-31T15:19:09.14
IV.NARO.HHN. ML:1.7 0.00010015000000000001 0.24 AML other m 2021-07-31T15:19:10.13
IV.PIEI.HHE. ML:2.1 0.00021799999999999999 0.3 AML other m 2021-07-31T15:19:12.54
IV.PIEI.HHN. ML:1.8 0.00010743512499999999 0.2816 AML other m 2021-07-31T15:19:12.74
IV.SENI.EHE. ML:1.8 0.00023410315000000002 0.9216 AML other m 2021-07-31T15:19:13.33
IV.CSP1.EHN. ML:2.5 0.00029908075 0.576 AML other m 2021-07-31T15:19:23.52
IV.CSP1.EHE. ML:2.4 0.00024927995 0.3712 AML other m 2021-07-31T15:19:24.15
IV.EL6.EHE. ML:2.4 0.00036610475 2.3552 AML other m 2021-07-31T15:19:25.50
IV.EL6.EHN. ML:2.0 0.00016625845 1.4976 AML other m 2021-07-31T15:19:25.57
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
Waveforms Seismic signals in miniseed + resp format Download