Earthquake with magnitude of ML 0.8 on date 31-12-2020 and time 10:07:33 (Italy) in region 1 km SW Muccia (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km SW Muccia (MC), on

  • 31-12-2020 09:07:33 (UTC)
  • 31-12-2020 10:07:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.08, 13.04 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Muccia MC 1 915 915
Pieve Torina MC 4 1458 2373
Pievebovigliana MC 4 866 3239
Fiordimonte MC 6 202 3441
Serravalle di Chienti MC 7 1070 4511
Camerino MC 7 6974 11485
Monte Cavallo MC 10 145 11630
Sefro MC 10 422 12052
Fiastra MC 11 559 12611
Pioraco MC 12 1134 13745
Acquacanina MC 13 121 13866
Castelraimondo MC 15 4587 18453
Fiuminata MC 15 1402 19855
Serrapetrona MC 17 966 20821
Caldarola MC 17 1823 22644
Visso MC 17 1107 23751
Ussita MC 17 444 24195
Bolognola MC 18 142 24337
Gagliole MC 18 620 24957
Cessapalombo MC 19 512 25469
Belforte del Chienti MC 19 1886 27355
Camporotondo di Fiastrone MC 20 563 27918
Matelica MC 20 9981 37899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.8 2020-12-31
09:07:33
43.08 13.04 14 2020-12-31
09:28:58
Sala Sismica INGV-Roma 85901191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-31 09:07:33 ± 0.06
Latitude 43.08 ± 0.00
Longitude 13.04 ± 0.00
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85901191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 250
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.402
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 85901191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-31 09:28:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2020-12-31T09:09:11.36 3.0 undecidable manual Sn -9.99 0
IV.ZEN8.HNZ. 2020-12-31T09:08:49.75 3.0 undecidable manual Sn -5.6 0
IV.HAGA.HHZ. 2020-12-31T09:08:30.11 3.0 undecidable manual Pn -2.2 0
IV.CAFE.HHZ. 2020-12-31T09:08:29.94 3.0 undecidable manual Sg 11.45 0
IV.CAGR.HHZ. 2020-12-31T09:08:28.35 3.0 undecidable manual Pn 0.83 0
IV.CSNT.HHZ. 2020-12-31T09:08:23.41 3.0 undecidable manual Sg -1.5 0
IV.IMI.HHZ. 2020-12-31T09:08:16.46 3.0 positive manual Pn -5.16 0
IV.ZEN8.HNZ. 2020-12-31T09:08:14.78 3.0 undecidable manual Pn 6.69 0
IV.TOLF.HHZ. 2020-12-31T09:08:13.64 3.0 undecidable manual Sg -4.35 0
IV.PTRJ.HHZ. 2020-12-31T09:08:12.19 3.0 undecidable manual Sg 1.16 0
IV.PZUN.HHZ. 2020-12-31T09:08:08.32 3.0 positive manual Pg 15.41 0
GU.CARD.HHZ. 2020-12-31T09:08:06.32 3.0 positive manual Pg 7.09 0
IT.SULP.HGZ. 2020-12-31T09:08:03.39 3.0 undecidable manual Sg 1.35 0
IV.RMP.HHZ. 2020-12-31T09:08:02.63 3.0 undecidable manual Sn -9.99 0
IV.LPEL.HHZ. 2020-12-31T09:08:00.76 3.0 undecidable manual Sg -1.1 0
IV.VIVA.HHZ. 2020-12-31T09:07:47.46 3.0 positive manual Pg 3.18 0
IV.SSFR.HHZ. 2020-12-31T09:07:47.83 0.3 undecidable manual S 333 0.402 95 0.21 68
IV.FOSV.EHN. 2020-12-31T09:07:44.26 0.3 undecidable manual S 317 0.2941 98 -0.19 69
IV.EL6.EHZ. 2020-12-31T09:07:43.36 0.3 undecidable manual S 11 0.2554 101 0.06 72
IV.NRCA.HHE. 2020-12-31T09:07:43.17 0.3 undecidable manual S 167 0.2518 101 -0.03 72
IV.ASSB.HHZ. 2020-12-31T09:07:43.95 0.3 undecidable manual S 263 0.2779 99 -0.01 72
IV.MC2.EHZ. 2020-12-31T09:07:42.03 0.3 undecidable manual S 146 0.2014 106 0.28 69
IV.SSFR.HHZ. 2020-12-31T09:07:41.21 1.0 undecidable manual P 333 0.402 95 -0.32 22
IV.CESI.HHZ. 2020-12-31T09:07:39.72 0.3 undecidable manual S 232 0.1205 124 0.14 72
IV.CSP1.EHZ. 2020-12-31T09:07:39.67 0.3 undecidable manual S 84 0.1241 123 0.01 74
IV.ASSB.HHZ. 2020-12-31T09:07:39.34 0.1 undecidable manual P 263 0.2779 99 -0.08 95
IV.FOSV.EHN. 2020-12-31T09:07:39.62 0.6 undecidable manual P 317 0.2941 98 -0.08 47
IV.FDMO.HHZ. 2020-12-31T09:07:38.20 0.3 undecidable manual S 138 0.0567 150 -0.08 73
IV.MC2.EHZ. 2020-12-31T09:07:38.11 1.0 positive manual P 146 0.2014 106 -0.03 24
IV.EL6.EHZ. 2020-12-31T09:07:38.99 1.0 negative manual P 11 0.2554 101 -0.05 24
IV.NRCA.HHE. 2020-12-31T09:07:38.78 0.1 undecidable manual P 167 0.2518 101 -0.2 93
IT.MTCL.HGE. 2020-12-31T09:07:38.70 0.3 undecidable manual S 197 0.089 136 -0.16 72
IV.CSP1.EHZ. 2020-12-31T09:07:37.11 0.6 positive manual P 84 0.1241 123 0.17 48
IV.CESI.HHZ. 2020-12-31T09:07:37.02 0.1 undecidable manual P 232 0.1205 124 0.13 96
IT.MTCL.HGE. 2020-12-31T09:07:36.47 0.3 undecidable manual P 197 0.089 136 0 75
IV.FDMO.HHZ. 2020-12-31T09:07:36.14 0.1 undecidable manual P 138 0.0567 150 0 100
IV.CESX.HHZ. 2020-12-31T09:07:34.64 3.0 undecidable manual P -6.87 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.2 4.78636E-5 0.256 AML other m 2020-12-31T09:07:48.59
IV.SSFR.HHE. ML:1.1 3.68867915E-5 0.2432 AML other m 2020-12-31T09:07:48.27
IV.FDMO.HHE. ML:0.6 4.697275E-5 0.1216 AML other m 2020-12-31T09:07:38.36
IV.FDMO.HHN. ML:0.5 3.416441E-5 0.1216 AML other m 2020-12-31T09:07:38.44
IV.CESI.HHE. ML:0.9 7.568356E-5 0.0832 AML other m 2020-12-31T09:07:39.83
IV.CESI.HHN. ML:0.9 6.4860715E-5 0.2432 AML other m 2020-12-31T09:07:39.92
IV.CESI.HNE. ML:1 8.287935E-5 0.0896 AML other m 2020-12-31T09:07:39.79
IV.CESI.HNN. ML:0.7 4.7334105E-5 0.0896 AML other m 2020-12-31T09:07:40.00
IV.CSP1.EHE. ML:1 7.846802E-5 0.1216 AML other m 2020-12-31T09:07:39.00
IV.CSP1.EHN. ML:0.9 7.729482E-5 0.1024 AML other m 2020-12-31T09:07:39.93
IV.EL6.EHE. ML:0.3 9.080295E-6 0.064 AML other m 2020-12-31T09:07:43.84
IV.EL6.EHN. ML:0.5 1.4661602E-5 0.1216 AML other m 2020-12-31T09:07:44.53
IV.ASSB.HHE. ML:0.8 2.7907805E-5 0.1152 AML other m 2020-12-31T09:07:44.25
IV.ASSB.HHN. ML:0.8 2.44146995E-5 0.0768 AML other m 2020-12-31T09:07:44.48
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download