Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 08-12-2020 and time 17:50:46 (UTC) in region 7 km NW Tolentino (MC)

A magnitude ML 2.0 earthquake occured in region: 7 km NW Tolentino (MC), on

  • 08-12-2020 17:50:46 (UTC)
  • 08-12-2020 18:50:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2650, 13.2530 at 26 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
Tolentino MC 7 20069 20069
San Severino Marche MC 7 12726 32795
Treia MC 7 9403 42198
Pollenza MC 8 6618 48816
Serrapetrona MC 11 966 49782
Belforte del Chienti MC 11 1886 51668
Urbisaglia MC 13 2628 54296
Cingoli MC 13 10352 64648
Appignano MC 14 4213 68861
Colmurano MC 14 1263 70124
Caldarola MC 14 1823 71947
Camporotondo di Fiastrone MC 15 563 72510
Gagliole MC 15 620 73130
Ripe San Ginesio MC 16 852 73982
Castelraimondo MC 17 4587 78569
Macerata MC 17 42473 121042
Loro Piceno MC 17 2401 123443
Cessapalombo MC 17 512 123955
Apiro MC 17 2280 126235
Petriolo MC 18 1998 128233
San Ginesio MC 18 3498 131731
Montecassiano MC 19 7125 138856
Poggio San Vicino MC 19 246 139102
Staffolo AN 20 2253 141355
Matelica MC 20 9981 151336

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Ancona (100861 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
67 Km S of Fano (60888 inhabitants)
72 Km E of Perugia (166134 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
77 Km SE of Pesaro (94582 inhabitants)
92 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 2.0 2020-12-08
17:50:46		 43.2647 13.2528 26 2021-02-26
14:56:19		 Bollettino Sismico Italiano INGV 87184781
Reviewed
Rev100 		ML 2.0 2020-12-08
17:50:45		 43.2757 13.2717 28 2020-12-08
17:57:01		 Sala Sismica INGV-Roma 85294081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-08 17:50:46 ± 0.17
Latitude 43.2647 ± 0.0054
Longitude 13.2528 ± 0.0086
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87184781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 87184781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 18:24:36

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 85294081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-08 17:57:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2020-12-08T17:51:08.50 0.3 undecidable manual S 205 69.8745 105 0.82 54
IV.NRCA.HHZ. 2020-12-08T17:51:02.60 0.6 undecidable manual S 193 49.1175 112 0.19 46
IV.CESI.HHZ. 2020-12-08T17:51:00.80 0.3 undecidable manual S 224 40.3263 117 0.54 64
IV.MC2.EHZ. 2020-12-08T17:51:00.30 0.3 undecidable manual S 188 39.5271 117 0.23 70
IV.FOSV.EHZ. 2020-12-08T17:51:00.90 0.6 undecidable manual S 275 39.8268 117 0.75 39
IT.MTCL.HGE. 2020-12-08T17:50:59.60 0.3 undecidable manual S 214 36.3414 120 0.27 69
IV.MF5.EHZ. 2020-12-08T17:50:59.60 0.3 undecidable manual S 151 34.9428 121 0.59 65
IV.PP3.HNN. 2020-12-08T17:50:59.61 0.6 undecidable manual S 66 31.4463 124 1.4 31
IV.ARVD.HHN. 2020-12-08T17:50:59.80 0.3 undecidable manual S 316 36.0417 120 0.54 64
IV.GAVE.EHZ. 2020-12-08T17:50:58.37 0.3 undecidable manual P 205 69.8745 105 -0.17 67
IV.SNTG.HHZ. 2020-12-08T17:50:57.20 0.3 undecidable manual S 268 25.2525 131 0.3 70
IV.FDMO.HHZ. 2020-12-08T17:50:57.60 0.3 undecidable manual S 208 28.6491 127 0 75
IV.MNTP.HNE. 2020-12-08T17:50:56.70 0.1 undecidable manual S 129 22.4553 135 0.34 95
IV.GUMA.HHZ. 2020-12-08T17:50:56.60 0.3 undecidable manual S 163 23.3544 133 0.07 75
IV.SAP2.EHZ. 2020-12-08T17:50:56.70 0.3 undecidable manual S 148 22.0668 135 0.42 70
IV.EL6.EHZ. 2020-12-08T17:50:55.20 0.3 undecidable manual S 301 14.1747 148 0.23 73
IV.NRCA.HHZ. 2020-12-08T17:50:55.16 0.3 undecidable manual P 193 49.1175 112 -0.34 67
IV.CSP1.EHZ. 2020-12-08T17:50:55.80 0.3 undecidable manual S 191 19.5693 139 -0.02 75
IV.CESI.HHZ. 2020-12-08T17:50:54.16 0.1 negative manual P 224 40.3263 117 -0.1 96
IV.CING.HNE. 2020-12-08T17:50:54.50 0.3 undecidable manual S 339 13.1757 150 -0.33 71
IV.PF6.EHN. 2020-12-08T17:50:54.60 0.3 undecidable manual S 199 14.874 147 -0.46 69
IV.PP3.HNN. 2020-12-08T17:50:54.04 0.3 undecidable manual P 66 31.4463 124 0.96 56
IV.FOSV.EHZ. 2020-12-08T17:50:54.23 0.3 undecidable manual P 275 39.8268 117 0.04 72
IV.MC2.EHZ. 2020-12-08T17:50:53.84 0.1 undecidable manual P 188 39.5271 117 -0.31 92
IV.MF5.EHZ. 2020-12-08T17:50:53.48 0.1 positive manual P 151 34.9428 121 -0.06 97
IV.ARVD.HHN. 2020-12-08T17:50:53.77 0.1 undecidable manual P 316 36.0417 120 0.09 96
IV.TRE1.HNE. 2020-12-08T17:50:53.89 0.6 undecidable manual S 43 7.0929 163 -0.29 48
IT.MTCL.HGE. 2020-12-08T17:50:53.56 0.3 undecidable manual P 214 36.3414 120 -0.17 72
IV.SSM1.HNE. 2020-12-08T17:50:53.97 0.6 undecidable manual S 237 7.2927 163 -0.23 49
IV.FDMO.HHZ. 2020-12-08T17:50:52.40 0.1 negative manual P 208 28.6491 127 -0.33 93
IV.SNTG.HHZ. 2020-12-08T17:50:52.26 0.3 undecidable manual P 268 25.2525 131 -0.06 75
IV.MNTP.HNE. 2020-12-08T17:50:51.75 0.1 undecidable manual P 129 22.4553 135 -0.26 95
IV.GUMA.HHZ. 2020-12-08T17:50:51.87 0.1 positive manual P 163 23.3544 133 -0.23 95
IV.CSP1.EHZ. 2020-12-08T17:50:51.36 0.1 positive manual P 191 19.5693 139 -0.34 94
IV.SAP2.EHZ. 2020-12-08T17:50:51.80 0.1 negative manual P 148 22.0668 135 -0.16 97
IV.EL6.EHZ. 2020-12-08T17:50:51.09 0.1 positive manual P 301 14.1747 148 -0.11 100
IV.TRE1.HNE. 2020-12-08T17:50:50.38 0.3 undecidable manual P 43 7.0929 163 -0.37 71
IV.CING.HNE. 2020-12-08T17:50:50.88 0.1 undecidable manual P 339 13.1757 150 -0.24 97
IV.SSM1.HNE. 2020-12-08T17:50:50.39 0.3 undecidable manual P 237 7.2927 163 -0.37 72
IV.PF6.EHN. 2020-12-08T17:50:50.79 0.1 undecidable manual P 199 14.874 147 -0.47 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:2.1 0.0006360000000000001 0.2 AML other m 2020-12-08T17:50:55.51
IV.EL6.EHN. ML:1.9 0.00041549999999999996 0.26 AML other m 2020-12-08T17:50:55.38
IV.CSP1.EHE. ML:2.3 0.0010400000000000001 1.66 AML other m 2020-12-08T17:50:56.88
IV.CSP1.EHN. ML:2.5 0.001373 0.24 AML other m 2020-12-08T17:50:56.07
IV.GUMA.HHN. ML:1.9 0.0003455 1.64 AML other m 2020-12-08T17:50:57.00
IV.SNTG.HHE. ML:1.8 0.000245 0.24 AML other m 2020-12-08T17:50:57.56
IV.SNTG.HHN. ML:1.8 0.000253 0.24 AML other m 2020-12-08T17:50:57.59
IV.FDMO.HHE. ML:2.0 0.0004195 0.14 AML other m 2020-12-08T17:50:57.81
IV.FDMO.HHN. ML:2.1 0.0004380000000000001 0.14 AML other m 2020-12-08T17:50:57.83
IV.GUMA.HHE. ML:2.3 0.0008435 0.28 AML other m 2020-12-08T17:50:59.60
IV.CESI.HHN. ML:1.8 0.0001675 1.62 AML other m 2020-12-08T17:51:01.16
IV.CESI.HNN. ML:1.9 0.0002105 1.6 AML other m 2020-12-08T17:51:01.16
IV.CESI.HHE. ML:1.9 0.00024249999999999999 1.56 AML other m 2020-12-08T17:51:01.19
IV.CESI.HNE. ML:1.9 0.00022799999999999999 1.58 AML other m 2020-12-08T17:51:01.98
IV.FOSV.EHE. ML:1.7 0.000141 0.48 AML other m 2020-12-08T17:51:01.55
IV.FOSV.EHN. ML:1.6 0.00011649999999999999 0.42 AML other m 2020-12-08T17:51:02.26
IV.NRCA.HHE. ML:1.9 0.000202 0.5 AML other m 2020-12-08T17:51:03.21
IV.NRCA.HHN. ML:2.0 0.000214 0.14 AML other m 2020-12-08T17:51:03.61
IV.GAVE.EHE. ML:2.0 0.00017749999999999998 0.32 AML other m 2020-12-08T17:51:08.78
IV.GAVE.EHN. ML:1.9 0.00012605 0.32 AML other m 2020-12-08T17:51:09.30
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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