Earthquake with magnitude of ML 1.6 on date 17-12-2020 and time 02:06:49 (UTC) in region 1 km NW Cossignano (AP)

A magnitude ML 1.6 earthquake occured in region: 1 km NW Cossignano (AP), on

  • 17-12-2020 02:06:49 (UTC)
  • 17-12-2020 03:06:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9920, 13.6830 at 27 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
Cossignano AP 1 978 978
Carassai AP 5 1100 2078
Montalto delle Marche AP 6 2122 4200
Offida AP 6 5058 9258
Ripatransone AP 7 4309 13567
Ortezzano FM 8 774 14341
Castignano AP 8 2796 17137
Monte Vidon Combatte FM 8 433 17570
Montedinove AP 8 488 18058
Montefiore dell'Aso AP 9 2123 20181
Petritoli FM 9 2335 22516
Monte Rinaldo FM 9 379 22895
Appignano del Tronto AP 10 1785 24680
Rotella AP 11 906 25586
Castorano AP 11 2380 27966
Monterubbiano FM 11 2230 30196
Montottone FM 11 979 31175
Moresco FM 11 598 31773
Massignano AP 12 1638 33411
Acquaviva Picena AP 12 3831 37242
Monte Giberto FM 12 801 38043
Montelparo FM 12 778 38821
Ponzano di Fermo FM 13 1674 40495
Monsampietro Morico FM 13 659 41154
Spinetoli AP 14 7215 48369
Monsampolo del Tronto AP 14 4611 52980
Colli del Tronto AP 14 3668 56648
Castel di Lama AP 14 8634 65282
Monteleone di Fermo FM 14 395 65677
Campofilone FM 15 1916 67593
Monteprandone AP 15 12655 80248
Cupra Marittima AP 15 5398 85646
Grottazzolina FM 15 3398 89044
Lapedona FM 15 1166 90210
Grottammare AP 15 16006 106216
Santa Vittoria in Matenano FM 15 1330 107546
Altidona FM 16 3390 110936
Force AP 16 1354 112290
Belmonte Piceno FM 16 646 112936
San Benedetto del Tronto AP 17 47303 160239
Ascoli Piceno AP 18 49407 209646
Pedaso FM 18 2800 212446
Maltignano AP 18 2401 214847
Ancarano TE 18 1857 216704
Montefalcone Appennino FM 18 424 217128
Magliano di Tenna FM 18 1452 218580
Servigliano FM 18 2336 220916
Sant'Egidio alla Vibrata TE 19 9811 230727
Controguerra TE 19 2436 233163
Fermo FM 19 37655 270818
Smerillo FM 19 365 271183
Folignano AP 19 9241 280424
Montegiorgio FM 19 6851 287275
Venarotta AP 20 2066 289341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Teramo (54892 inhabitants)
65 Km NW of Montesilvano (53738 inhabitants)
71 Km S of Ancona (100861 inhabitants)
73 Km NW of Pescara (121014 inhabitants)
75 Km NE of L'Aquila (69753 inhabitants)
80 Km E of Foligno (57155 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
97 Km NE of Terni (111501 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 1.6 2020-12-17
02:06:49
42.9915 13.6828 27 2021-02-26
14:56:11
Bollettino Sismico Italiano INGV 85602921
Reviewed
Rev100
ML 1.6 2020-12-17
02:06:49
43.0002 13.6847 27 2020-12-17
02:28:23
Sala Sismica INGV-Roma 85486721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-17 02:06:49 ± 0.14
Latitude 42.9915 ± 0.0045
Longitude 13.6828 ± 0.0074
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85602921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 85602921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-21 13:39:41

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 85486721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-17 02:28:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2020-12-17T02:07:17.71 3.0 undecidable manual S -0.45 0
IV.TRTR.HHZ. 2020-12-17T02:07:12.50 3.0 undecidable manual P 0
IV.EL6.EHZ. 2020-12-17T02:07:09.85 0.3 undecidable manual S 309 60.0954 108 0.87 53
IV.FDMO.HHZ. 2020-12-17T02:07:06.23 0.6 undecidable manual S 276 48.618 113 0.15 45
IV.NRCA.HHZ. 2020-12-17T02:07:06.36 0.6 undecidable manual S 249 49.4172 112 0.07 46
IV.SMA1.EHZ. 2020-12-17T02:07:06.33 0.6 undecidable manual S 215 49.0176 112 0.13 45
IV.CSP1.EHZ. 2020-12-17T02:07:04.16 0.6 undecidable manual S 286 40.3263 117 0.07 47
IV.MC2.EHZ. 2020-12-17T02:07:04.42 0.6 undecidable manual S 258 41.0256 117 0.16 46
IV.TERO.HHZ. 2020-12-17T02:07:04.40 0.6 undecidable manual S 189 41.4252 117 0.06 47
IV.MTRA.EHE. 2020-12-17T02:07:02.90 0.3 undecidable manual S 222 34.9428 122 0.07 71
IV.MMO1.EHZ. 2020-12-17T02:07:01.64 0.6 undecidable manual S 251 30.6471 125 -0.24 46
IV.EL6.EHZ. 2020-12-17T02:07:01.07 0.3 undecidable manual P 309 60.0954 108 0.19 66
IV.SAP2.EHE. 2020-12-17T02:07:00.86 0.3 undecidable manual S 297 25.752 131 0 73
IV.FDMO.HHZ. 2020-12-17T02:06:59.06 0.1 negative manual P 276 48.618 113 -0.15 90
IV.NRCA.HHZ. 2020-12-17T02:06:59.26 0.1 undecidable manual P 249 49.4172 112 -0.07 92
IV.MF5.EHZ. 2020-12-17T02:06:59.31 0.6 undecidable manual S 269 18.0708 142 -0.13 48
IV.SMA1.EHZ. 2020-12-17T02:06:59.38 0.1 undecidable manual P 215 49.0176 112 0.11 91
IV.TERO.HHZ. 2020-12-17T02:06:58.25 0.1 undecidable manual P 189 41.4252 117 0.05 94
IV.OFFI.HHZ. 2020-12-17T02:06:58.20 0.1 undecidable manual S 178 6.2937 165 0.18 97
IV.MNTT.EHZ. 2020-12-17T02:06:58.11 0.6 undecidable manual S 318 10.5783 156 -0.29 47
IV.MC2.EHZ. 2020-12-17T02:06:58.19 0.1 undecidable manual P 258 41.0256 117 0.03 94
IV.MTRA.EHE. 2020-12-17T02:06:57.19 0.3 undecidable manual P 222 34.9428 122 -0.14 70
IV.CSP1.EHZ. 2020-12-17T02:06:57.94 0.1 negative manual P 286 40.3263 117 -0.12 92
IV.MMO1.EHZ. 2020-12-17T02:06:56.58 0.1 negative manual P 251 30.6471 125 -0.2 92
IV.GUMA.HNN. 2020-12-17T02:06:56.56 0.1 undecidable manual P 286 29.2485 127 -0.05 95
IV.MF5.EHZ. 2020-12-17T02:06:55.31 0.1 negative manual P 269 18.0708 142 -0.06 97
IV.SAP2.EHE. 2020-12-17T02:06:55.93 0.3 undecidable manual P 297 25.752 131 -0.26 69
IV.OFFI.HHZ. 2020-12-17T02:06:54.55 0.1 undecidable manual P 178 6.2937 165 0 100
IV.MNTT.EHZ. 2020-12-17T02:06:54.68 0.1 positive manual P 318 10.5783 156 -0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:1.8 0.000327 0.54 AML other m 2020-12-17T02:06:58.92
IV.OFFI.HHE. ML:1.7 0.0002925 0.48 AML other m 2020-12-17T02:06:58.68
IV.MNTT.EHN. ML:1.9 0.0004575 0.46 AML other m 2020-12-17T02:06:59.24
IV.MNTT.EHE. ML:1.9 0.0004555 0.18 AML other m 2020-12-17T02:06:59.28
IV.NRCA.HHN. ML:1.2 0.000036 0.1 AML other m 2020-12-17T02:07:07.44
IV.NRCA.HHE. ML:1.2 0.00003625000000000001 1.28 AML other m 2020-12-17T02:07:07.69
IV.ATFO.HHE. ML:1.3 0.000019050000000000002 0.82 AML other m 2020-12-17T02:07:25.41
IV.ATFO.HHN. ML:1.4 0.000023569999999999996 0.42 AML other m 2020-12-17T02:07:41.80
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