Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 31-10-2020 and time 13:14:19 (UTC) in region 1 km N Sant'Angelo in Pontano (MC)

A magnitude ML 1.7 earthquake occured in region: 1 km N Sant'Angelo in Pontano (MC), on

  • 31-10-2020 13:14:19 (UTC)
  • 31-10-2020 14:14:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1060, 13.3960 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 1 1436 1436
Ripe San Ginesio MC 5 852 2288
Penna San Giovanni MC 6 1108 3396
Gualdo MC 6 815 4211
Falerone FM 6 3337 7548
San Ginesio MC 6 3498 11046
Montappone FM 7 1682 12728
Loro Piceno MC 7 2401 15129
Colmurano MC 7 1263 16392
Monte Vidon Corrado FM 8 731 17123
Massa Fermana FM 8 963 18086
Servigliano FM 8 2336 20422
Monte San Martino MC 9 765 21187
Urbisaglia MC 10 2628 23815
Sarnano MC 11 3264 27079
Camporotondo di Fiastrone MC 11 563 27642
Cessapalombo MC 11 512 28154
Mogliano MC 11 4696 32850
Belmonte Piceno FM 12 646 33496
Smerillo FM 12 365 33861
Montegiorgio FM 12 6851 40712
Monteleone di Fermo FM 13 395 41107
Santa Vittoria in Matenano FM 13 1330 42437
Monsampietro Morico FM 14 659 43096
Montefalcone Appennino FM 14 424 43520
Petriolo MC 14 1998 45518
Amandola FM 14 3629 49147
Caldarola MC 14 1823 50970
Belforte del Chienti MC 14 1886 52856
Tolentino MC 15 20069 72925
Montelparo FM 15 778 73703
Francavilla d'Ete FM 15 964 74667
Magliano di Tenna FM 16 1452 76119
Montottone FM 16 979 77098
Comunanza AP 17 3166 80264
Grottazzolina FM 17 3398 83662
Rapagnano FM 17 2145 85807
Monte Rinaldo FM 17 379 86186
Force AP 18 1354 87540
Monte San Pietrangeli FM 18 2458 89998
Bolognola MC 18 142 90140
Corridonia MC 18 15430 105570
Pollenza MC 19 6618 112188
Serrapetrona MC 19 966 113154
Montefortino FM 19 1178 114332
Ortezzano FM 19 774 115106
Monte Giberto FM 19 801 115907
Torre San Patrizio FM 19 2048 117955
Acquacanina MC 20 121 118076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Teramo (54892 inhabitants)
58 Km S of Ancona (100861 inhabitants)
59 Km E of Foligno (57155 inhabitants)
82 Km E of Perugia (166134 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
86 Km NE of Terni (111501 inhabitants)
88 Km SE of Fano (60888 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 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 1.7 2020-10-31
13:14:19		 43.1062 13.3958 24 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 86038551
Reviewed
Rev100 		ML 1.7 2020-10-31
13:14:19		 43.1032 13.3872 24 2020-10-31
13:23:00		 Sala Sismica INGV-Roma 84320721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-31 13:14:19 ± 0.07
Latitude 43.1062 ± 0.0027
Longitude 13.3958 ± 0.0037
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 86038551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 345
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
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) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.61154
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 86038551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 22:27:35

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 84320721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-31 13:23:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-10-31T13:14:39.05 0.3 undecidable manual S 264 60.0954 105 0.45 62
IV.CESI.HNZ. 2020-10-31T13:14:34.16 0.6 undecidable manual S 254 41.3253 112 0.33 44
IV.MTRA.EHZ. 2020-10-31T13:14:33.24 0.6 undecidable manual S 180 38.7279 114 0.05 47
IV.NRCA.HHZ. 2020-10-31T13:14:33.07 0.3 undecidable manual S 217 37.9287 115 0.09 70
IV.EL6.EHZ. 2020-10-31T13:14:32.46 0.3 undecidable manual S 316 34.3434 117 0.33 66
IV.CING.HNZ. 2020-10-31T13:14:32.07 0.3 undecidable manual S 332 34.0437 118 0.02 70
IV.FEMA.HNZ. 2020-10-31T13:14:32.12 0.3 undecidable manual S 240 32.2455 119 0.47 64
IT.MTCL.HGZ. 2020-10-31T13:14:32.16 0.3 undecidable manual S 249 34.4433 117 0 71
IV.MML1.HNZ. 2020-10-31T13:14:32.31 0.3 undecidable manual S 272 34.3434 117 0.18 68
IV.RM33.EHZ. 2020-10-31T13:14:31.79 0.6 undecidable manual P 193 67.8765 103 0.04 44
IV.CAMP.HHZ. 2020-10-31T13:14:31.07 0.3 undecidable manual P 179 63.2922 104 0.01 67
IV.ASSB.HHZ. 2020-10-31T13:14:30.62 0.3 undecidable manual P 264 60.0954 105 0.03 68
IV.ATCC.EHZ. 2020-10-31T13:14:30.87 0.1 undecidable manual P 278 61.7937 104 0.03 90
IV.TERO.HHZ. 2020-10-31T13:14:30.23 0.3 undecidable manual P 162 56.1993 106 0.22 66
IV.FDMO.HHZ. 2020-10-31T13:14:30.09 0.6 undecidable manual S 253 26.1516 126 -0.17 47
IV.MC2.EHZ. 2020-10-31T13:14:30.78 0.3 undecidable manual S 218 27.3504 124 0.26 68
IV.MMO1.EHZ. 2020-10-31T13:14:29.66 0.3 undecidable manual S 194 23.5542 129 -0.06 71
IV.AOI.HHE. 2020-10-31T13:14:29.58 0.6 undecidable manual P 19 52.0035 107 0.19 44
IV.SMA1.EHZ. 2020-10-31T13:14:29.28 0.3 undecidable manual P 185 53.0025 107 -0.25 65
IV.MNTT.EHZ. 2020-10-31T13:14:28.21 0.3 undecidable manual S 107 16.872 140 -0.22 70
IV.MF5.EHZ. 2020-10-31T13:14:28.41 0.6 undecidable manual S 158 14.0748 145 0.43 45
IV.GUMA.HHE. 2020-10-31T13:14:27.10 0.6 undecidable manual S 226 6.8931 162 0 49
IV.SNTG.HHZ. 2020-10-31T13:14:27.59 0.1 undecidable manual P 294 40.3263 113 -0.11 92
IV.CESI.HNZ. 2020-10-31T13:14:27.89 0.3 undecidable manual P 254 41.3253 112 0.05 70
IV.MNTP.HNZ. 2020-10-31T13:14:27.29 0.3 undecidable manual S 60 6.8931 162 0.19 71
IV.PF6.EHZ. 2020-10-31T13:14:27.90 0.3 undecidable manual S 282 16.6722 140 -0.5 67
IV.CSP1.EHZ. 2020-10-31T13:14:27.96 0.3 undecidable manual S 264 15.5733 142 -0.25 71
IV.MTRA.EHZ. 2020-10-31T13:14:27.21 0.3 undecidable manual P 180 38.7279 114 -0.26 66
IV.NRCA.HHZ. 2020-10-31T13:14:27.24 0.1 positive manual P 217 37.9287 115 -0.12 91
IV.MML1.HNZ. 2020-10-31T13:14:26.79 0.3 undecidable manual P 272 34.3434 117 -0.07 70
IV.EL6.EHZ. 2020-10-31T13:14:26.89 0.1 undecidable manual P 316 34.3434 117 0.03 94
IV.CING.HNZ. 2020-10-31T13:14:26.74 0.3 undecidable manual P 332 34.0437 118 -0.08 70
IV.FEMA.HNZ. 2020-10-31T13:14:26.57 0.3 undecidable manual P 240 32.2455 119 -0.01 71
IV.SAP2.EHZ. 2020-10-31T13:14:26.74 0.3 undecidable manual S 165 1.0989 177 -0.08 75
IT.MTCL.HGZ. 2020-10-31T13:14:26.57 0.3 undecidable manual P 249 34.4433 117 -0.31 67
IV.MC2.EHZ. 2020-10-31T13:14:25.91 0.3 positive manual P 218 27.3504 124 -0.02 71
IV.MNTT.EHZ. 2020-10-31T13:14:25.11 0.1 undecidable manual P 107 16.872 140 0.38 91
IV.MMO1.EHZ. 2020-10-31T13:14:25.32 0.1 positive manual P 194 23.5542 129 -0.15 93
IV.FDMO.HHZ. 2020-10-31T13:14:25.59 0.1 undecidable manual P 253 26.1516 126 -0.19 92
IV.MF5.EHZ. 2020-10-31T13:14:24.62 0.1 undecidable manual P 158 14.0748 145 0.16 95
IV.PF6.EHZ. 2020-10-31T13:14:24.43 0.1 undecidable manual P 282 16.6722 140 -0.28 93
IV.CSP1.EHZ. 2020-10-31T13:14:24.38 1.0 undecidable manual P 264 15.5733 142 -0.22 23
IV.SAP2.EHZ. 2020-10-31T13:14:23.77 0.1 negative manual P 165 1.0989 177 -0.02 100
IV.GUMA.HHE. 2020-10-31T13:14:23.82 0.1 undecidable manual P 226 6.8931 162 -0.14 97
IV.MNTP.HNZ. 2020-10-31T13:14:23.93 0.1 undecidable manual P 60 6.8931 162 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.7 0.000271314285 0.0576 AML other m 2020-10-31T13:14:28.26
IV.CSP1.EHN. ML:1.8 0.00034962605000000003 0.1408 AML other m 2020-10-31T13:14:28.25
IV.MF5.EHN. ML:1.8 0.00034405415 0.16 AML other m 2020-10-31T13:14:28.44
IV.MF5.EHE. ML:1.9 0.0004955739 0.3392 AML other m 2020-10-31T13:14:28.79
IV.FDMO.HHE. ML:1.8 0.0002842829 0.1408 AML other m 2020-10-31T13:14:30.26
IV.FDMO.HHN. ML:1.6 0.00018120935 0.1344 AML other m 2020-10-31T13:14:30.70
IV.EL6.EHE. ML:1.7 0.00018743559999999997 0.1408 AML other m 2020-10-31T13:14:32.91
IV.EL6.EHN. ML:2.0 0.00031717385 1.8208 AML other m 2020-10-31T13:14:33.05
IV.NRCA.HHE. ML:2.1 0.00035634005000000004 0.1408 AML other m 2020-10-31T13:14:33.24
IV.NRCA.HNE. ML:2.0 0.00032433655 0.1408 AML other m 2020-10-31T13:14:33.24
IV.NRCA.HNN. ML:1.7 0.00015791624999999997 0.128 AML other m 2020-10-31T13:14:33.18
IV.SNTG.HHE. ML:1.7 0.000134791255 0.2752 AML other m 2020-10-31T13:14:34.17
IV.MTRA.HNN. ML:1.6 0.000109073835 0.1408 AML other m 2020-10-31T13:14:34.18
IV.MTRA.EHN. ML:1.6 0.00010916393 0.1408 AML other m 2020-10-31T13:14:34.18
IV.SNTG.HHN. ML:1.7 0.000137770075 0.1408 AML other m 2020-10-31T13:14:34.13
IV.MTRA.EHE. ML:1.6 0.00012446216 0.1024 AML other m 2020-10-31T13:14:34.44
IV.MTRA.HNE. ML:1.6 0.00012852745 0.1216 AML other m 2020-10-31T13:14:34.49
IV.TERO.HNN. ML:1.8 0.00013346803000000002 0.7104 AML other m 2020-10-31T13:14:37.58
IV.ASSB.HHN. ML:1.6 0.00008384002500000002 0.16 AML other m 2020-10-31T13:14:39.66
IV.TERO.HHN. ML:1.6 0.0000900353 0.0768 AML other m 2020-10-31T13:14:39.75
IV.TERO.HHE. ML:1.5 0.00006952079 0.1024 AML other m 2020-10-31T13:14:39.78
IV.ASSB.HHE. ML:1.6 0.000085192795 0.1216 AML other m 2020-10-31T13:14:40.01
IV.TERO.HNE. ML:1.6 0.00008198281999999999 0.1024 AML other m 2020-10-31T13:14:40.05
IV.ATCC.EHN. ML:1.6 0.000071726155 0.3392 AML other m 2020-10-31T13:14:40.46
IV.ATCC.EHE. ML:1.6 0.000068296045 0.2368 AML other m 2020-10-31T13:14:40.69
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