Earthquake with magnitude of ML 0.9 on date 17-12-2020 and time 01:12:36 (Italy) in region 2 km W Ostra Vetere (AN)

A magnitude ML 0.9 earthquake occured in region: 2 km W Ostra Vetere (AN), on

  • 17-12-2020 00:12:36 (UTC)
  • 17-12-2020 01:12:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6040, 13.0340 at 16 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
Ostra Vetere AN 2 3311 3311
Barbara AN 3 1368 4679
Castelleone di Suasa AN 5 1676 6355
Corinaldo AN 5 4998 11353
Serra de' Conti AN 7 3746 15099
San Lorenzo in Campo PU 7 3414 18513
Montecarotto AN 9 1987 20500
Mondavio PU 10 3810 24310
Monte Porzio PU 10 2836 27146
Trecastelli AN 10 7625 34771
Ostra AN 10 6875 41646
Poggio San Marcello AN 11 693 42339
Orciano di Pesaro PU 11 2028 44367
Belvedere Ostrense AN 11 2234 46601
Fratte Rosa PU 11 966 47567
Barchi PU 12 967 48534
Castelplanio AN 13 3540 52074
San Giorgio di Pesaro PU 14 1388 53462
Arcevia AN 14 4612 58074
Rosora AN 14 1985 60059
San Marcello AN 14 2057 62116
Mergo AN 15 1037 63153
Morro d'Alba AN 15 1903 65056
Maiolati Spontini AN 16 6248 71304
Castelbellino AN 16 4947 76251
Piagge PU 16 1022 77273
Monte Roberto AN 16 3061 80334
Sant'Ippolito PU 16 1563 81897
Pergola PU 17 6333 88230
Montemaggiore al Metauro PU 17 2893 91123
Mondolfo PU 17 14277 105400
Serra San Quirico AN 17 2850 108250
Monsano AN 18 3405 111655
San Costanzo PU 18 4786 116441
Cupramontana AN 19 4756 121197
Monte San Vito AN 19 6848 128045
Jesi AN 19 40399 168444
Senigallia AN 19 45027 213471
San Paolo di Jesi AN 20 933 214404
Saltara PU 20 6925 221329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Fano (60888 inhabitants)
36 Km S of Pesaro (94582 inhabitants)
39 Km W of Ancona (100861 inhabitants)
63 Km SE of Rimini (147750 inhabitants)
76 Km NE of Perugia (166134 inhabitants)
77 Km NE of Foligno (57155 inhabitants)
87 Km SE of Cesena (96758 inhabitants)
94 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
ML 0.9 2020-12-17
00:12:36
43.6038 13.0342 16 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86501921
Reviewed
Rev100
ML 0.8 2020-12-17
00:12:36
43.581 13.0358 12 2020-12-17
00:21:37
Sala Sismica INGV-Roma 85485451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-17 00:12:36 ± 0.13
Latitude 43.6038 ± 0.0045
Longitude 13.0342 ± 0.0075
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86501921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
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) 98
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.32825
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 85485451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-17 00:21:37

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 86501921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-23 17:03:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-12-17T00:12:49.82 0.6 undecidable manual S 271 36.4413 102 0.59 42
IV.EL6.EHZ. 2020-12-17T00:12:48.23 0.6 undecidable manual S 170 30.9468 105 0.43 45
IV.SSFR.HHZ. 2020-12-17T00:12:47.37 0.6 undecidable manual S 228 27.4503 108 0.45 45
IV.SENI.EHZ. 2020-12-17T00:12:45.38 0.6 undecidable manual S 55 19.5693 118 0.42 47
IV.MPAG.EHZ. 2020-12-17T00:12:45.62 0.6 undecidable manual S 277 22.2555 114 0.01 50
IV.CRTC.HHZ. 2020-12-17T00:12:45.84 0.6 undecidable manual S 326 21.9669 115 0.31 48
IV.NARO.HHZ. 2020-12-17T00:12:44.06 0.1 undecidable manual P 271 36.4413 102 0.04 97
IV.ARVD.HHZ. 2020-12-17T00:12:43.30 0.6 undecidable manual S 212 13.875 130 -0.42 47
IV.EL6.EHZ. 2020-12-17T00:12:43.17 0.3 undecidable manual P 170 30.9468 105 -0.03 74
IV.CING.HHE. 2020-12-17T00:12:42.95 0.3 undecidable manual P 153 28.4493 107 0.12 73
IV.SSFR.HHZ. 2020-12-17T00:12:42.55 0.1 undecidable manual P 228 27.4503 108 -0.14 98
IV.COR1.EHZ. 2020-12-17T00:12:42.39 0.6 undecidable manual S 319 4.0959 163 0.13 51
IV.CRTC.HHZ. 2020-12-17T00:12:41.81 0.1 undecidable manual P 326 21.9669 115 -0.07 99
IV.SENI.EHZ. 2020-12-17T00:12:41.43 0.1 undecidable manual P 55 19.5693 118 -0.12 98
IV.MPAG.EHZ. 2020-12-17T00:12:41.79 0.1 undecidable manual P 277 22.2555 114 -0.14 98
IV.ARVD.HHZ. 2020-12-17T00:12:40.53 0.1 undecidable manual P 212 13.875 130 -0.31 97
IV.COR1.EHZ. 2020-12-17T00:12:39.81 0.1 undecidable manual P 319 4.0959 163 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:1.0 0.00007965 0.1 AML other m 2020-12-17T00:12:43.45
IV.ARVD.HHE. ML:0.9 0.00006275 0.44 AML other m 2020-12-17T00:12:43.62
IV.MPAG.EHE. ML:0.8 0.000039800000000000005 0.46 AML other m 2020-12-17T00:12:45.93
IV.MPAG.EHN. ML:0.7 0.000029900000000000002 0.96 AML other m 2020-12-17T00:12:46.59
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