Earthquake with magnitude of ML 1.1 on date 08-07-2023 and time 11:22:55 (Italy) in region 3 km W Frontone (PU)

A magnitude ML 1.1 earthquake occured in region: 3 km W Frontone (PU), on

  • 08-07-2023 09:22:55 (UTC)
  • 08-07-2023 11:22:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5130, 12.7090 at 17 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Frontone PU 3 1300 1300
Serra Sant'Abbondio PU 6 1027 2327
Cagli PU 6 8731 11058
Cantiano PU 8 2245 13303
Pergola PU 12 6333 19636
Acqualagna PU 12 4393 24029
Scheggia e Pascelupo PG 12 1393 25422
Sassoferrato AN 15 7285 32707
Costacciaro PG 17 1216 33923
Piobbico PU 18 2029 35952
Arcevia AN 19 4612 40564
Fermignano PU 19 8596 49160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Fano (60888 inhabitants)
47 Km SW of Pesaro (94582 inhabitants)
52 Km NE of Perugia (166134 inhabitants)
62 Km N of Foligno (57155 inhabitants)
62 Km S of Rimini (147750 inhabitants)
66 Km W of Ancona (100861 inhabitants)
67 Km E of Arezzo (99543 inhabitants)
79 Km SE of Cesena (96758 inhabitants)
96 Km SE 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
Reviewed
Rev100
ML 1.1 2023-07-08
09:22:55
43.5127 12.709 17 2023-07-08
09:58:15
Sala Sismica INGV-Roma 119072791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 09:22:55 ± 0.1
Latitude 43.5127 ± 0.0036
Longitude 12.7090 ± 0.0050
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119072791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55398
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 119072791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 09:58:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2023-07-08T09:23:15.86 3.0 undecidable manual P -0.04 0
IV.MML1.EHZ. 2023-07-08T09:23:11.92 0.6 undecidable manual S 154 49.1175 100 0.32 43
IV.SFI.EHZ. 2023-07-08T09:23:10.93 3.0 positive manual P 0.3 0
IV.CSP1.EHZ. 2023-07-08T09:23:07.07 1.0 negative manual P 139 61.494 97 0.22 22
IV.FDMO.HHZ. 2023-07-08T09:23:06.89 0.1 undecidable manual P 150 60.9945 97 0.11 88
IV.ATVO.HHZ. 2023-07-08T09:23:06.49 0.6 undecidable manual S 239 28.3494 110 0.26 45
IV.CAFI.HHZ. 2023-07-08T09:23:06.24 3.0 undecidable manual P -1.17 0
IV.FOSV.EHZ. 2023-07-08T09:23:05.03 0.6 undecidable manual S 170 24.5532 115 -0.26 46
IV.ATPI.EHZ. 2023-07-08T09:23:05.97 0.3 undecidable manual S 255 25.6521 113 0.41 66
IV.ARVD.HHZ. 2023-07-08T09:23:04.21 0.6 undecidable manual S 95 18.7701 123 0.27 46
IV.MML1.EHZ. 2023-07-08T09:23:04.89 1.0 negative manual P 154 49.1175 100 -0.07 23
IV.ATPC.HHZ. 2023-07-08T09:23:04.50 0.6 undecidable manual S 260 20.5683 120 0.15 47
IV.MPAG.EHZ. 2023-07-08T09:23:03.10 0.6 undecidable manual S 17 13.5753 135 0.25 47
IV.NARO.HHZ. 2023-07-08T09:23:03.09 0.6 undecidable manual S 317 14.9739 131 -0.05 48
IV.ATFO.HHZ. 2023-07-08T09:23:03.88 0.6 undecidable manual S 214 19.6692 122 -0.25 46
IV.ATBU.EHZ. 2023-07-08T09:23:03.21 0.6 undecidable manual S 252 13.5753 135 0.35 46
IV.ATSC.EHZ. 2023-07-08T09:23:02.30 0.6 undecidable manual S 190 9.9789 144 0.06 48
IV.SSFR.HHZ. 2023-07-08T09:23:02.16 0.6 undecidable manual S 145 10.2786 143 -0.13 49
IV.PIEI.HHZ. 2023-07-08T09:23:02.80 0.6 undecidable manual S 280 14.2746 133 -0.18 47
IV.FRON.EHZ. 2023-07-08T09:23:01.06 0.6 undecidable manual S 67 1.4985 174 -0.36 47
IV.FOSV.EHZ. 2023-07-08T09:23:01.15 0.6 positive manual P 170 24.5532 115 -0.17 47
IV.ATVO.HHZ. 2023-07-08T09:23:01.63 0.1 undecidable manual P 239 28.3494 110 -0.23 91
IV.ATPI.EHZ. 2023-07-08T09:23:01.56 0.6 positive manual P 255 25.6521 113 0.09 47
IV.ARVD.HHZ. 2023-07-08T09:23:00.66 0.6 positive manual P 95 18.7701 123 0.12 48
IV.ATPC.HHZ. 2023-07-08T09:23:00.72 0.1 undecidable manual P 260 20.5683 120 -0.06 95
IV.MPAG.EHZ. 2023-07-08T09:23:00.05 1.0 undecidable manual P 17 13.5753 135 0.14 24
IV.NARO.HHZ. 2023-07-08T09:23:00.06 0.1 undecidable manual P 317 14.9739 131 -0.02 97
IV.ATFO.HHZ. 2023-07-08T09:23:00.55 0.6 undecidable manual P 214 19.6692 122 -0.1 48
IV.ATBU.EHZ. 2023-07-08T09:22:59.95 0.1 undecidable manual P 252 13.5753 135 0.04 98
IV.PIEI.HHZ. 2023-07-08T09:22:59.85 0.6 negative manual P 280 14.2746 133 -0.14 47
IV.FRON.EHZ. 2023-07-08T09:22:59.10 0.1 negative manual P 67 1.4985 174 0.02 100
IV.ATSC.EHZ. 2023-07-08T09:22:59.43 0.1 undecidable manual P 190 9.9789 144 -0.13 97
IV.SSFR.HHZ. 2023-07-08T09:22:59.26 0.6 undecidable manual P 145 10.2786 143 -0.32 46
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHN. ML:1.2 0.000153 0.16 AML other m 2023-07-08T09:23:01.38
IV.FRON.EHE. ML:1.2 0.00014835 0.58 AML other m 2023-07-08T09:23:01.27
IV.SSFR.HHE. ML:1.4 0.00021950000000000002 0.76 AML other m 2023-07-08T09:23:02.32
IV.SSFR.HHN. ML:1.5 0.0002455 0.22 AML other m 2023-07-08T09:23:02.79
IV.NARO.HHE. ML:1.2 0.00010314999999999999 0.1 AML other m 2023-07-08T09:23:03.09
IV.PIEI.HHN. ML:1.1 0.00009415 0.54 AML other m 2023-07-08T09:23:03.25
IV.PIEI.HHE. ML:1.2 0.0001285 0.34 AML other m 2023-07-08T09:23:03.31
IV.MPAG.EHE. ML:1.0 0.00006875 0.1 AML other m 2023-07-08T09:23:03.29
IV.MPAG.EHN. ML:0.8 0.000048799999999999994 0.14 AML other m 2023-07-08T09:23:03.34
IV.NARO.HHN. ML:1.2 0.00011899999999999999 1.02 AML other m 2023-07-08T09:23:03.63
IV.ATFO.HHN. ML:1.3 0.00011800000000000001 0.22 AML other m 2023-07-08T09:23:04.06
IV.ATFO.HHE. ML:1.2 0.00010455000000000001 0.78 AML other m 2023-07-08T09:23:04.56
IV.ARVD.HHE. ML:1.0 0.00006615 0.12 AML other m 2023-07-08T09:23:04.54
IV.ARVD.HHN. ML:0.9 0.00005375 0.78 AML other m 2023-07-08T09:23:04.55
IV.FOSV.EHE. ML:0.7 0.0000227 0.48 AML other m 2023-07-08T09:23:05.16
IV.FOSV.EHN. ML:0.6 0.0000223 0.4 AML other m 2023-07-08T09:23:05.49
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