Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 07-12-2020 and time 15:51:34 (Italy) in region 2 km NE Sant'Angelo in Pontano (MC)

A magnitude ML 1.8 earthquake occured in region: 2 km NE Sant'Angelo in Pontano (MC), on

  • 07-12-2020 14:51:34 (UTC)
  • 07-12-2020 15:51:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1200, 13.4080 at 24 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Angelo in Pontano MC 2 1436 1436
Ripe San Ginesio MC 4 852 2288
Loro Piceno MC 5 2401 4689
Montappone FM 5 1682 6371
Falerone FM 6 3337 9708
Monte Vidon Corrado FM 6 731 10439
Colmurano MC 6 1263 11702
Massa Fermana FM 7 963 12665
Penna San Giovanni MC 7 1108 13773
San Ginesio MC 8 3498 17271
Servigliano FM 8 2336 19607
Gualdo MC 8 815 20422
Urbisaglia MC 9 2628 23050
Mogliano MC 10 4696 27746
Monte San Martino MC 10 765 28511
Montegiorgio FM 11 6851 35362
Belmonte Piceno FM 11 646 36008
Camporotondo di Fiastrone MC 12 563 36571
Cessapalombo MC 12 512 37083
Petriolo MC 12 1998 39081
Sarnano MC 13 3264 42345
Monteleone di Fermo FM 13 395 42740
Smerillo FM 13 365 43105
Santa Vittoria in Matenano FM 13 1330 44435
Monsampietro Morico FM 13 659 45094
Francavilla d'Ete FM 13 964 46058
Tolentino MC 14 20069 66127
Belforte del Chienti MC 15 1886 68013
Magliano di Tenna FM 15 1452 69465
Caldarola MC 15 1823 71288
Montefalcone Appennino FM 15 424 71712
Montelparo FM 15 778 72490
Rapagnano FM 16 2145 74635
Montottone FM 16 979 75614
Grottazzolina FM 16 3398 79012
Amandola FM 16 3629 82641
Monte San Pietrangeli FM 16 2458 85099
Corridonia MC 17 15430 100529
Pollenza MC 17 6618 107147
Monte Rinaldo FM 17 379 107526
Torre San Patrizio FM 18 2048 109574
Comunanza AP 18 3166 112740
Monte Giberto FM 18 801 113541
Force AP 19 1354 114895
Serrapetrona MC 19 966 115861
Ortezzano FM 19 774 116635
Monte Vidon Combatte FM 20 433 117068
Monte San Giusto MC 20 8191 125259

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km S of Ancona (100861 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
60 Km E of Foligno (57155 inhabitants)
83 Km E of Perugia (166134 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
86 Km SE of Fano (60888 inhabitants)
88 Km NE of Terni (111501 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
97 Km SE of Pesaro (94582 inhabitants)
98 Km NW of Pescara (121014 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 1.8 2020-12-07
14:51:34		 43.1205 13.4082 24 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86558291
Reviewed
Rev100 		ML 1.8 2020-12-07
14:51:34		 43.1167 13.4172 25 2020-12-07
15:02:52		 Sala Sismica INGV-Roma 85267431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-07 14:51:34 ± 0.12
Latitude 43.1205 ± 0.0036
Longitude 13.4082 ± 0.0062
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86558291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.35793
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 86558291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 10:39:05

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 85267431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-07 15:02:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-12-07T14:51:48.33 0.3 undecidable manual S 217 39.7269 114 0.22 69
IV.EL6.EHZ. 2020-12-07T14:51:47.23 0.3 undecidable manual S 313 33.9438 118 0.53 65
IV.CING.HNZ. 2020-12-07T14:51:46.48 0.3 undecidable manual S 329 33.1446 119 -0.03 73
IV.FDMO.HHZ. 2020-12-07T14:51:45.45 0.3 undecidable manual S 250 27.6501 124 0.19 71
IV.MC2.EHZ. 2020-12-07T14:51:45.77 0.3 undecidable manual S 218 29.2485 122 0.15 71
IV.MMO1.EHZ. 2020-12-07T14:51:44.61 0.3 undecidable manual S 195 25.3524 127 -0.17 72
IV.MDAR.HNZ. 2020-12-07T14:51:44.46 0.6 undecidable manual S 291 22.9548 130 0.2 47
IV.MNTT.EHZ. 2020-12-07T14:51:43.61 0.6 undecidable manual S 113 16.4724 141 0.55 44
IV.CSP1.EHZ. 2020-12-07T14:51:43.21 0.3 undecidable manual S 259 16.7721 140 0.11 73
IV.PF6.EHZ. 2020-12-07T14:51:43.11 0.6 undecidable manual S 276 17.3715 139 -0.1 49
IV.NRCA.HHZ. 2020-12-07T14:51:42.15 0.3 undecidable manual P 217 39.7269 114 -0.13 70
IV.MF5.EHZ. 2020-12-07T14:51:42.91 0.6 undecidable manual S 164 15.2736 143 0.05 50
IV.SAP2.EHZ. 2020-12-07T14:51:41.35 0.3 undecidable manual S 195 2.6973 173 -0.21 75
IV.CING.HNZ. 2020-12-07T14:51:41.26 0.3 undecidable manual P 329 33.1446 119 -0.09 71
IV.GUMA.HHZ. 2020-12-07T14:51:41.98 0.3 undecidable manual S 223 8.6802 157 0 75
IV.EL6.EHZ. 2020-12-07T14:51:41.49 0.6 undecidable manual P 313 33.9438 118 0.02 49
IV.OFFI.HHZ. 2020-12-07T14:51:41.59 0.3 undecidable manual P 132 30.5472 121 0.58 65
IV.MNTP.HNZ. 2020-12-07T14:51:41.57 0.3 undecidable manual S 69 5.2947 166 -0.12 76
IV.MMO1.EHZ. 2020-12-07T14:51:40.16 0.3 undecidable manual P 195 25.3524 127 -0.2 71
IV.MC2.EHZ. 2020-12-07T14:51:40.81 0.3 undecidable manual P 218 29.2485 122 -0.03 73
IV.FDMO.HHZ. 2020-12-07T14:51:40.47 0.1 undecidable manual P 250 27.6501 124 -0.17 95
IV.PF6.EHZ. 2020-12-07T14:51:39.19 0.3 undecidable manual P 276 17.3715 139 -0.26 71
IV.MF5.EHZ. 2020-12-07T14:51:39.19 0.3 undecidable manual P 164 15.2736 143 -0.05 74
IV.MDAR.HNZ. 2020-12-07T14:51:39.86 0.3 undecidable manual P 291 22.9548 130 -0.2 71
IV.MNTT.EHZ. 2020-12-07T14:51:39.36 0.1 undecidable manual P 113 16.4724 141 0 100
IV.CSP1.EHZ. 2020-12-07T14:51:39.23 0.3 undecidable manual P 259 16.7721 140 -0.16 73
IV.MNTP.HNZ. 2020-12-07T14:51:38.82 0.6 undecidable manual P 69 5.2947 166 0.25 49
IV.SAP2.EHZ. 2020-12-07T14:51:38.22 0.3 undecidable manual P 195 2.6973 173 -0.28 73
IV.GUMA.HHZ. 2020-12-07T14:51:38.59 0.3 undecidable manual P 223 8.6802 157 -0.15 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHN. ML:2.4 0.0017382339999999997 0.1408 AML other m 2020-12-07T14:51:41.63
IV.SAP2.EHE. ML:1.9 0.0005775381500000001 0.2048 AML other m 2020-12-07T14:51:41.80
IV.GUMA.HHE. ML:2.3 0.0011615 0.26 AML other m 2020-12-07T14:51:42.16
IV.GUMA.HNE. ML:2.0 0.0006865268 0.1984 AML other m 2020-12-07T14:51:42.15
IV.GUMA.HHN. ML:1.9 0.00047799999999999996 0.24 AML other m 2020-12-07T14:51:42.24
IV.MF5.EHN. ML:1.6 0.00020943026750000002 0.2624 AML other m 2020-12-07T14:51:43.23
IV.MF5.EHE. ML:1.5 0.000181606255 0.2624 AML other m 2020-12-07T14:51:43.36
IV.CSP1.EHN. ML:1.5 0.00016375695 0.3392 AML other m 2020-12-07T14:51:43.22
IV.MNTT.EHE. ML:1.7 0.0002789356 0.1984 AML other m 2020-12-07T14:51:43.72
IV.CSP1.EHE. ML:1.3 0.000110712985 0.1792 AML other m 2020-12-07T14:51:43.77
IV.MNTT.EHN. ML:1.7 0.00028514545000000004 0.16 AML other m 2020-12-07T14:51:44.03
IV.FDMO.HHE. ML:1.3 0.00008465 0.54 AML other m 2020-12-07T14:51:45.61
IV.FDMO.HHN. ML:1.2 0.00006371804999999999 0.1024 AML other m 2020-12-07T14:51:46.29
IV.EL6.EHN. ML:1.5 0.00012222882499999998 0.1984 AML other m 2020-12-07T14:51:47.74
IV.EL6.EHE. ML:1.7 0.0001805 0.86 AML other m 2020-12-07T14:51:48.49
IV.NRCA.HHE. ML:2.1 0.00035250000000000006 0.14 AML other m 2020-12-07T14:51:48.50
IV.NRCA.HNE. ML:2.1 0.0003393442 0.1408 AML other m 2020-12-07T14:51:48.50
IV.NRCA.HNN. ML:1.9 0.00024796249999999996 0.9216 AML other m 2020-12-07T14:51:49.57
IV.NRCA.HHN. ML:1.7 0.00014884675 0.1024 AML other m 2020-12-07T14:51:49.16
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