Earthquake with magnitude of Md 1.8 on date 15-09-2020 and time 03:44:56 (UTC) in region 2 km NW Barbara (AN)

A magnitude Md 1.8 earthquake occured in region: 2 km NW Barbara (AN), on

  • 15-09-2020 03:44:56 (UTC)
  • 15-09-2020 05:44:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6000, 13.0180 at 22 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
Barbara AN 2 1368 1368
Ostra Vetere AN 3 3311 4679
Castelleone di Suasa AN 3 1676 6355
San Lorenzo in Campo PU 6 3414 9769
Corinaldo AN 6 4998 14767
Serra de' Conti AN 7 3746 18513
Montecarotto AN 9 1987 20500
Mondavio PU 9 3810 24310
Fratte Rosa PU 10 966 25276
Monte Porzio PU 10 2836 28112
Orciano di Pesaro PU 11 2028 30140
Trecastelli AN 11 7625 37765
Poggio San Marcello AN 11 693 38458
Barchi PU 11 967 39425
Ostra AN 12 6875 46300
Belvedere Ostrense AN 12 2234 48534
Arcevia AN 13 4612 53146
Castelplanio AN 13 3540 56686
Rosora AN 14 1985 58671
San Giorgio di Pesaro PU 14 1388 60059
Mergo AN 14 1037 61096
Pergola PU 15 6333 67429
Sant'Ippolito PU 15 1563 68992
San Marcello AN 15 2057 71049
Maiolati Spontini AN 16 6248 77297
Piagge PU 16 1022 78319
Morro d'Alba AN 16 1903 80222
Castelbellino AN 16 4947 85169
Monte Roberto AN 16 3061 88230
Montemaggiore al Metauro PU 17 2893 91123
Serra San Quirico AN 17 2850 93973
Mondolfo PU 18 14277 108250
San Costanzo PU 19 4786 113036
Cupramontana AN 19 4756 117792
Monsano AN 19 3405 121197
Fossombrone PU 20 9575 130772
Saltara PU 20 6925 137697
Genga AN 20 1797 139494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Fano (60888 inhabitants)
36 Km S of Pesaro (94582 inhabitants)
41 Km W of Ancona (100861 inhabitants)
63 Km SE of Rimini (147750 inhabitants)
75 Km NE of Perugia (166134 inhabitants)
76 Km NE of Foligno (57155 inhabitants)
86 Km SE of Cesena (96758 inhabitants)
93 Km E of Arezzo (99543 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
Md 1.8 2020-09-15
03:44:56
43.5997 13.018 22 2021-02-26
14:55:57
Bollettino Sismico Italiano INGV 83442771
Reviewed
Rev100
Md 1.6 2020-09-15
03:44:56
43.5938 13.0368 22 2020-09-15
04:00:10
Sala Sismica INGV-Roma 82914491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-15 03:44:56 ± 0.16
Latitude 43.5997 ± 0.0054
Longitude 13.0180 ± 0.0062
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83442771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 568
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56477
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 82914491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-15 04:00:10

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude Md
Reference to an origin 83442771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-02 13:00:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2020-09-15T03:45:32.23 3.0 undecidable manual Pn 6.99 0
IV.ROSPO.HHZ. 2020-09-15T03:45:22.16 3.0 undecidable manual Pn 6 0
IV.LAV9.HHZ. 2020-09-15T03:45:15.92 3.0 negative manual Pg 21.700001 0
IV.EL6.EHZ. 2020-09-15T03:45:07.82 0.3 undecidable manual S 167 30.747 119 0.29 71
IV.FDMO.HHZ. 2020-09-15T03:45:07.39 0.6 undecidable manual P 175 62.6928 103 0.06 47
IV.FRON.EHZ. 2020-09-15T03:45:06.56 0.3 undecidable manual S 249 25.1526 125 0.29 72
IV.SSFR.HHZ. 2020-09-15T03:45:06.84 0.3 undecidable manual S 226 26.2515 124 0.34 71
IV.CRTC.HHZ. 2020-09-15T03:45:05.79 0.3 undecidable manual S 330 21.6672 130 0.27 73
IV.MPAG.EHZ. 2020-09-15T03:45:05.39 0.3 undecidable manual S 279 21.0678 131 0 76
IV.SENI.EHZ. 2020-09-15T03:45:05.48 0.3 undecidable manual S 56 20.868 131 0.12 75
IV.COR1.EHZ. 2020-09-15T03:45:03.19 0.3 undecidable manual S 338 3.8961 169 0.19 76
IV.ARVD.HHZ. 2020-09-15T03:45:03.49 0.3 undecidable manual S 209 12.876 146 -0.44 71
IV.NARO.HHZ. 2020-09-15T03:45:03.38 0.3 undecidable manual P 272 35.1426 115 0.09 74
IV.SSFR.HHZ. 2020-09-15T03:45:02.04 0.3 undecidable manual P 226 26.2515 124 -0.05 76
IV.FRON.EHZ. 2020-09-15T03:45:02.06 0.1 undecidable manual P 249 25.1526 125 0.11 100
IV.EL6.EHZ. 2020-09-15T03:45:02.55 0.3 undecidable manual P 167 30.747 119 -0.13 74
IV.CRTC.HHZ. 2020-09-15T03:45:01.18 0.3 undecidable manual P 330 21.6672 130 -0.34 72
IV.MPAG.EHZ. 2020-09-15T03:45:01.23 0.3 undecidable manual P 279 21.0678 131 -0.21 73
IV.SENI.EHZ. 2020-09-15T03:45:01.47 0.3 undecidable manual P 56 20.868 131 0.04 76
IV.ARVD.HHZ. 2020-09-15T03:45:00.17 0.3 undecidable manual P 209 12.876 146 -0.43 71
IV.FIAM.HHZ. 2020-09-15T03:44:59.50 3.0 positive manual P 1.93 0
IV.COR1.EHZ. 2020-09-15T03:44:59.86 0.3 undecidable manual P 338 3.8961 169 -0.21 76
IV.RMP.HHZ. 2020-09-15T03:44:56.94 3.0 negative manual Pn 2.94 0
IV.MNTV.HNZ. 2020-09-15T03:44:51.42 3.0 negative manual Pn 6.65 0
IV.ZONE.HHZ. 2020-09-15T03:44:50.53 3.0 negative manual Pn 5.62 0
IV.FIR.HHZ. 2020-09-15T03:44:50.73 3.0 undecidable manual Pn 9.78 0
GU.GRAM.HHZ. 2020-09-15T03:44:43.68 3.0 undecidable manual Pg 9.71 0
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