Earthquake with magnitude of ML 0.5 on date 19-09-2021 and time 09:15:46 (Italy) in region 5 km N Apecchio (PU)

A magnitude ML 0.5 earthquake occured in region: 5 km N Apecchio (PU), on

  • 19-09-2021 07:15:46 (UTC)
  • 19-09-2021 09:15:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6060, 12.4030 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Apecchio PU 5 1882 1882
Sant'Angelo in Vado PU 7 4133 6015
Mercatello sul Metauro PU 7 1378 7393
Piobbico PU 9 2029 9422
Borgo Pace PU 10 606 10028
Urbania PU 12 7099 17127
Peglio PU 13 696 17823
Belforte all'Isauro PU 13 769 18592
Piandimeleto PU 13 2167 20759
Sestino AR 14 1355 22114
Lunano PU 14 1527 23641
Frontino PU 18 293 23934
Pietralunga PG 18 2111 26045
San Giustino PG 19 11297 37342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Arezzo (99543 inhabitants)
52 Km S of Rimini (147750 inhabitants)
53 Km SW of Pesaro (94582 inhabitants)
56 Km N of Perugia (166134 inhabitants)
56 Km W of Fano (60888 inhabitants)
60 Km S of Cesena (96758 inhabitants)
75 Km SE of Forlì (117913 inhabitants)
76 Km NW of Foligno (57155 inhabitants)
86 Km SE of Faenza (58541 inhabitants)
90 Km W of Ancona (100861 inhabitants)
92 Km S of Ravenna (159116 inhabitants)
92 Km E of Siena (53903 inhabitants)
94 Km E of Firenze (382808 inhabitants)
100 Km SE of Imola (69797 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 0.5 2021-09-19
07:15:46
43.6063 12.4028 11 2022-03-30
13:04:25
Bollettino Sismico Italiano INGV 99276131
Reviewed
Rev100
ML 0.5 2021-09-19
07:15:46
43.6027 12.4108 10 2021-09-19
07:22:14
Sala Sismica INGV-Roma 95624071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-19 07:15:46 ± 0.08
Latitude 43.6063 ± 0.0045
Longitude 12.4028 ± 0.0050
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99276131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 95624071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-19 07:22:14

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 99276131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-03 09:36:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2021-09-19T07:17:21.18 3.0 undecidable manual Pg 6.4 0
OT.OT11.EHZ. 2021-09-19T07:17:20.98 3.0 undecidable manual Sg 8.15 0
IV.MCRV.HHZ. 2021-09-19T07:17:06.83 3.0 undecidable manual Sn -9.99 0
IV.IST3.HHZ. 2021-09-19T07:16:58.13 3.0 negative manual Pg -1.03 0
IV.TST02.HHZ. 2021-09-19T07:16:54.49 3.0 undecidable manual Sg 1.94 0
CR.STON.BHZ. 2021-09-19T07:16:53.20 3.0 undecidable manual Pg 8.03 0
IV.SPS2.HHZ. 2021-09-19T07:16:51.01 3.0 negative manual Pn -9.09 0
CR.ZAG.BHZ. 2021-09-19T07:16:50.82 3.0 undecidable manual Pg 15.92 0
IV.SERS.HHZ. 2021-09-19T07:16:49.33 3.0 undecidable manual Pn -9.99 0
IV.ILOS.HHZ. 2021-09-19T07:16:48.70 3.0 negative manual Pn -9.99 0
IX.SRN3.HHZ.02 2021-09-19T07:16:46.58 3.0 negative manual Pg 4.93 0
RD.PGF.BHZ. 2021-09-19T07:16:45.78 3.0 undecidable manual Sg 7.04 0
TV.SU26.HHZ. 2021-09-19T07:16:43.35 3.0 positive manual Pn -8.24 0
IV.PP3.EHZ. 2021-09-19T07:16:29.87 3.0 undecidable manual Sg 4.29 0
IV.MNTT.EHZ. 2021-09-19T07:16:27.60 3.0 undecidable manual Sg 0.09 0
OT.OT14.EHZ. 2021-09-19T07:16:26.49 3.0 undecidable manual Pn -6.46 0
IX.SCL3.EHZ.02 2021-09-19T07:16:25.03 3.0 negative manual Pn -9.99 0
IV.MRB1.HNZ. 2021-09-19T07:16:24.97 3.0 undecidable manual Pn -6.91 0
IV.COLB.HHZ. 2021-09-19T07:16:19.45 3.0 undecidable manual Pn -9.99 0
IV.NDIM.HNZ. 2021-09-19T07:16:10.27 3.0 negative manual Pg 9.46 0
IV.ZEN8.EHZ. 2021-09-19T07:16:10.43 3.0 undecidable manual Pn 0.07 0
IV.ZCCA.HHZ. 2021-09-19T07:16:07.33 3.0 undecidable manual Sn -1.33 0
GU.GORR.HHZ. 2021-09-19T07:16:06.64 3.0 undecidable manual Pn -1.15 0
IV.CSNT.HHZ. 2021-09-19T07:16:02.49 3.0 undecidable manual Sn 0.72 0
IV.SSFR.HHN. 2021-09-19T07:15:58.66 0.6 undecidable manual S 122 35.8419 90 0.57 42
IV.MSSA.HHZ. 2021-09-19T07:15:58.46 3.0 negative manual Pn -5.83 0
IV.FRON.EHZ. 2021-09-19T07:15:55.90 0.6 undecidable manual S 111 27.75 90 -0.02 48
IV.TB03.DHZ.01 2021-09-19T07:15:54.44 0.6 undecidable manual S 178 22.755 90 -0.15 48
IV.ATBU.EHZ. 2021-09-19T07:15:53.97 0.6 undecidable manual S 141 18.6702 90 0.49 45
IV.PARC.HHZ. 2021-09-19T07:15:52.27 0.6 undecidable manual S 290 13.9749 91 0.02 49
IV.SSFR.HHN. 2021-09-19T07:15:52.86 0.3 undecidable manual P 122 35.8419 90 -0.15 69
IV.ATPI.EHZ. 2021-09-19T07:15:52.88 0.3 undecidable manual S 180 17.2716 90 -0.24 71
IV.ATPC.HHE. 2021-09-19T07:15:52.20 0.6 undecidable manual S 163 14.5743 90 -0.21 48
IV.NARO.HHZ. 2021-09-19T07:15:52.04 0.6 undecidable manual S 88 14.2746 91 -0.29 46
IV.FRON.EHZ. 2021-09-19T07:15:51.71 0.1 undecidable manual P 111 27.75 90 -0.04 95
IV.APEC.HNZ. 2021-09-19T07:15:50.55 0.6 undecidable manual S 165 5.4945 145 0.2 49
IV.TB03.DHZ.01 2021-09-19T07:15:50.91 0.3 undecidable manual P 178 22.755 90 -0.07 72
IV.ATPI.EHZ. 2021-09-19T07:15:50.09 0.1 undecidable manual P 180 17.2716 90 -0.05 98
IV.FIR.HHZ. 2021-09-19T07:15:50.82 3.0 positive manual P -0.09 0
IV.ATBU.EHZ. 2021-09-19T07:15:50.65 0.1 undecidable manual P 141 18.6702 90 0.31 93
IV.NARO.HHZ. 2021-09-19T07:15:49.66 0.1 undecidable manual P 88 14.2746 91 -0.02 97
IV.PARC.HHZ. 2021-09-19T07:15:49.79 0.3 undecidable manual P 290 13.9749 91 0.16 98
IV.ATPC.HHE. 2021-09-19T07:15:49.72 0.1 undecidable manual P 163 14.5743 90 0 99
IV.APEC.HNZ. 2021-09-19T07:15:48.61 0.1 undecidable manual P 165 5.4945 145 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNE. ML:1.2 0.00011752720999999999 0.8608 AML other m 2021-09-19T07:15:50.05
IV.NARO.HHN. ML:0.8 0.000064174855 0.0576 AML other m 2021-09-19T07:15:52.18
IV.NARO.HHE. ML:0.6 0.000036144090000000004 0.0608 AML other m 2021-09-19T07:15:52.20
IV.PARC.HHN. ML:0.6 0.000033849999999999996 0.26 AML other m 2021-09-19T07:15:52.36
IV.PARC.HHE. ML:0.4 0.0000266 0.3 AML other m 2021-09-19T07:15:52.53
IV.ATPI.EHN. ML:0.4 0.000020581203499999998 0.1408 AML other m 2021-09-19T07:15:53.05
IV.ATPI.EHE. ML:0.1 0.0000115392905 0.3616 AML other m 2021-09-19T07:15:54.76
IV.FRON.EHE. ML:0.0 0.000005185245499999999 0.0768 AML other m 2021-09-19T07:15:56.35
IV.FRON.EHN. ML:0.3 0.000009807516000000001 0.16 AML other m 2021-09-19T07:15:59.17
IV.ATPI.HNN. ML:1.2 0.0001181461125 1.2096 AML other m 2021-09-19T07:16:02.88
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