Earthquake with magnitude of ML 0.8 on date 18-12-2020 and time 07:29:28 (Italy) in region 4 km E Serravalle di Chienti (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km E Serravalle di Chienti (MC), on

  • 18-12-2020 06:29:28 (UTC)
  • 18-12-2020 07:29:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0760, 12.9970 at 13 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
Serravalle di Chienti MC 4 1070 1070
Muccia MC 4 915 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 7 866 4309
Sefro MC 9 422 4731
Fiordimonte MC 9 202 4933
Camerino MC 9 6974 11907
Monte Cavallo MC 9 145 12052
Pioraco MC 12 1134 13186
Fiuminata MC 14 1402 14588
Fiastra MC 14 559 15147
Acquacanina MC 15 121 15268
Castelraimondo MC 16 4587 19855
Nocera Umbra PG 17 5839 25694
Visso MC 18 1107 26801
Ussita MC 19 444 27245
Gagliole MC 19 620 27865
Serrapetrona MC 19 966 28831
Valtopina PG 20 1398 30229
Caldarola MC 20 1823 32052
Esanatoglia MC 20 2034 34086

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Pesaro (94582 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
Reviewed
Rev100
ML 0.8 2020-12-18
06:29:28
43.0765 12.9973 13 2020-12-18
06:35:31
Sala Sismica INGV-Roma 85510541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 06:29:28 ± 0.1
Latitude 43.0765 ± 0.0045
Longitude 12.9973 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85510541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.15199
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 85510541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 06:35:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2020-12-18T06:31:21.08 3.0 undecidable manual Sg 4.61 0
IV.SARZ.HHZ. 2020-12-18T06:31:03.71 3.0 undecidable manual Sn 1.64 0
IV.VOBA.HNZ. 2020-12-18T06:30:50.28 3.0 undecidable manual Sn -0.81 0
IV.NDIM.HHZ. 2020-12-18T06:30:36.13 3.0 undecidable manual Sg 2.97 0
OT.TAR1.HHZ. 2020-12-18T06:30:34.15 3.0 undecidable manual Pn 5.51 0
MN.TRI.HHZ. 2020-12-18T06:30:33.44 3.0 undecidable manual Sn -2.59 0
GU.GSCL.HHZ. 2020-12-18T06:30:28.63 3.0 undecidable manual Sn -1.61 0
IV.GIUL.HHZ. 2020-12-18T06:30:21.97 3.0 undecidable manual Sg 0.47 0
IV.CAVE.HHZ. 2020-12-18T06:30:01.48 3.0 negative manual Pn -0.48 0
GU.POPM.HHZ. 2020-12-18T06:29:56.89 3.0 negative manual Pn -1.18 0
IV.ARRO.EHZ. 2020-12-18T06:29:38.52 3.0 negative manual P -3.43 0
IV.PE3.EHZ. 2020-12-18T06:29:36.43 3.0 undecidable manual P -1.58 0
IV.CSP1.EHZ. 2020-12-18T06:29:35.53 0.3 undecidable manual S 84 16.872 107 0.07 73
IV.CESI.HHZ. 2020-12-18T06:29:34.11 0.3 undecidable manual S 223 10.9779 126 0.08 74
IV.MML1.EHZ. 2020-12-18T06:29:33.04 0.3 undecidable manual S 333 4.5954 155 0.09 75
IV.FDMO.HHZ. 2020-12-18T06:29:33.55 0.3 undecidable manual S 121 8.5803 136 0 75
IT.MTCL.HGE. 2020-12-18T06:29:33.52 0.3 undecidable manual S 179 9.1797 133 -0.15 73
IV.CSP1.EHZ. 2020-12-18T06:29:32.52 0.3 undecidable manual P 84 16.872 107 0.03 73
IV.CESI.HHZ. 2020-12-18T06:29:31.71 0.1 undecidable manual P 223 10.9779 126 0.05 99
IT.MTCL.HGE. 2020-12-18T06:29:31.45 0.1 undecidable manual P 179 9.1797 133 0 100
IV.FDMO.HHZ. 2020-12-18T06:29:31.39 0.6 negative manual P 121 8.5803 136 0.01 50
IV.MML1.EHZ. 2020-12-18T06:29:30.87 0.1 undecidable manual P 333 4.5954 155 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.0000759 0.14 AML other m 2020-12-18T06:29:33.78
IV.FDMO.HHN. ML:0.9 0.00009739999999999998 0.16 AML other m 2020-12-18T06:29:33.81
IV.CESI.HHE. ML:0.6 0.00004635 0.06 AML other m 2020-12-18T06:29:34.19
IV.CESI.HHN. ML:0.7 0.00005735 0.3 AML other m 2020-12-18T06:29:34.25
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