Earthquake with magnitude of ML 1.3 on date 08-12-2020 and time 17:55:08 (UTC) in region 6 km SW Treia (MC)

A magnitude ML 1.3 earthquake occured in region: 6 km SW Treia (MC), on

  • 08-12-2020 17:55:08 (UTC)
  • 08-12-2020 18:55:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2710, 13.2710 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
Treia MC 6 9403 9403
Pollenza MC 6 6618 16021
Tolentino MC 7 20069 36090
San Severino Marche MC 9 12726 48816
Urbisaglia MC 12 2628 51444
Belforte del Chienti MC 12 1886 53330
Appignano MC 12 4213 57543
Serrapetrona MC 12 966 58509
Cingoli MC 12 10352 68861
Colmurano MC 14 1263 70124
Caldarola MC 15 1823 71947
Macerata MC 15 42473 114420
Camporotondo di Fiastrone MC 15 563 114983
Ripe San Ginesio MC 16 852 115835
Loro Piceno MC 17 2401 118236
Petriolo MC 17 1998 120234
Gagliole MC 17 620 120854
Montecassiano MC 17 7125 127979
Apiro MC 18 2280 130259
Cessapalombo MC 18 512 130771
San Ginesio MC 18 3498 134269
Castelraimondo MC 19 4587 138856
Staffolo AN 19 2253 141109
Poggio San Vicino MC 19 246 141355
Filottrano AN 20 9499 150854
Mogliano MC 20 4696 155550
Corridonia MC 20 15430 170980

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Ancona (100861 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
67 Km SE of Fano (60888 inhabitants)
74 Km E of Perugia (166134 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
77 Km SE of Pesaro (94582 inhabitants)
94 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 1.3 2020-12-08
17:55:08
43.2713 13.2712 27 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87206431
Reviewed
Rev100
ML 1.3 2020-12-08
17:55:08
43.27 13.3035 25 2020-12-08
18:01:40
Sala Sismica INGV-Roma 85294171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-08 17:55:08 ± 0.19
Latitude 43.2713 ± 0.0063
Longitude 13.2712 ± 0.0111
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 87206431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 867
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.37772
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 87206431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-16 09:20:03

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 85294171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-08 18:01:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHN. 2020-12-08T17:55:23.02 0.6 undecidable manual S 174 41.5251 117 0.05 48
IV.CESI.HHZ. 2020-12-08T17:55:23.52 0.6 undecidable manual S 225 41.9247 117 0.46 44
IV.MF5.EHE. 2020-12-08T17:55:22.38 0.6 undecidable manual S 154 34.9428 122 0.93 37
IV.FDMO.HHZ. 2020-12-08T17:55:20.22 0.6 undecidable manual S 210 30.0477 127 -0.13 47
IV.SNTG.HNZ. 2020-12-08T17:55:19.98 0.3 undecidable manual S 266 26.751 130 0.31 69
IV.GUMA.HNN. 2020-12-08T17:55:19.52 0.6 undecidable manual S 167 23.754 134 0.45 45
IV.CSP1.EHZ. 2020-12-08T17:55:18.43 0.3 undecidable manual S 195 20.6682 138 -0.07 74
IV.PF6.EHZ. 2020-12-08T17:55:17.35 0.3 undecidable manual S 203 16.0728 146 -0.4 69
IV.CING.HNZ. 2020-12-08T17:55:17.24 0.3 undecidable manual S 332 13.0758 151 -0.09 76
IV.EL6.EHZ. 2020-12-08T17:55:17.78 0.3 undecidable manual S 295 15.0738 147 0.17 72
IV.CESI.HHZ. 2020-12-08T17:55:16.82 0.1 undecidable manual P 225 41.9247 117 -0.04 95
IV.MMO1.EHN. 2020-12-08T17:55:16.42 0.3 undecidable manual P 174 41.5251 117 -0.38 66
IV.MF5.EHE. 2020-12-08T17:55:16.22 0.1 undecidable manual P 154 34.9428 122 0.29 92
IV.SNTG.HNZ. 2020-12-08T17:55:15.01 0.3 undecidable manual P 266 26.751 130 0.11 72
IV.FDMO.HHZ. 2020-12-08T17:55:15.04 0.1 undecidable manual P 210 30.0477 127 -0.25 93
IV.CSP1.EHZ. 2020-12-08T17:55:14.02 0.1 undecidable manual P 195 20.6682 138 -0.2 96
IV.GUMA.HNN. 2020-12-08T17:55:14.49 0.3 undecidable manual P 167 23.754 134 -0.06 73
IV.PF6.EHZ. 2020-12-08T17:55:13.46 0.1 undecidable manual P 203 16.0728 146 -0.33 94
IV.CING.HNZ. 2020-12-08T17:55:13.54 0.1 undecidable manual P 332 13.0758 151 -0.01 100
IV.EL6.EHZ. 2020-12-08T17:55:13.76 0.1 undecidable manual P 295 15.0738 147 0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EL6.EHE. ML:1.2 0.00007604833 0.2432 AML other m 2020-12-08T17:55:17.99
IV.CSP1.EHN. ML:1.7 0.0002005167 0.2432 AML other m 2020-12-08T17:55:18.76
IV.CSP1.EHE. ML:1.4 0.00010860349 0.2432 AML other m 2020-12-08T17:55:18.81
IV.EL6.EHN. ML:0.6 0.000020692409999999996 0.0896 AML other m 2020-12-08T17:55:18.82
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