Earthquake with magnitude of ML 1.1 on date 18-12-2020 and time 10:21:37 (Italy) in region 4 km W Pieve Torina (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km W Pieve Torina (MC), on

  • 18-12-2020 09:21:37 (UTC)
  • 18-12-2020 10:21:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0500, 13.0040 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
Pieve Torina MC 4 1458 1458
Serravalle di Chienti MC 5 1070 2528
Muccia MC 5 915 3443
Monte Cavallo MC 6 145 3588
Pievebovigliana MC 7 866 4454
Fiordimonte MC 7 202 4656
Camerino MC 11 6974 11630
Sefro MC 12 422 12052
Fiastra MC 13 559 12611
Acquacanina MC 14 121 12732
Pioraco MC 15 1134 13866
Visso MC 15 1107 14973
Ussita MC 16 444 15417
Fiuminata MC 17 1402 16819
Castelraimondo MC 19 4587 21406
Nocera Umbra PG 19 5839 27245
Sellano PG 19 1079 28324
Preci PG 19 724 29048
Bolognola MC 19 142 29190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 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 1.1 2020-12-18
09:21:37
43.0498 13.0038 14 2020-12-18
09:25:53
Sala Sismica INGV-Roma 85512721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 09:21:37 ± 0.06
Latitude 43.0498 ± 0.0027
Longitude 13.0038 ± 0.0037
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 85512721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85512721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 09:25:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-12-18T09:21:48.53 0.3 undecidable manual S 14 31.9458 98 0.1 72
IV.ASSB.HHZ. 2020-12-18T09:21:47.44 0.1 undecidable manual S 268 27.9498 100 0.07 99
IV.SNTG.HHZ. 2020-12-18T09:21:46.08 0.3 undecidable manual S 347 23.3544 103 -0.07 75
IV.NRCA.HHZ. 2020-12-18T09:21:46.69 0.3 undecidable manual S 159 25.6521 101 -0.06 74
IV.MC2.EHZ. 2020-12-18T09:21:45.93 0.1 undecidable manual S 136 21.4674 105 0.25 96
IV.CSP1.EHZ. 2020-12-18T09:21:44.63 0.1 undecidable manual S 74 16.9719 113 0.1 99
IV.FOSV.EHZ. 2020-12-18T09:21:43.91 3.0 negative manual P -0.01 0
IV.ASSB.HHZ. 2020-12-18T09:21:43.09 0.1 negative manual P 268 27.9498 100 -0.07 98
IV.EL6.EHZ. 2020-12-18T09:21:43.66 0.3 negative manual P 14 31.9458 98 -0.1 73
IV.CESI.HHZ. 2020-12-18T09:21:43.10 0.1 undecidable manual S 238 9.4794 136 0.22 99
IV.SNTG.HHZ. 2020-12-18T09:21:42.32 0.3 positive manual P 347 23.3544 103 -0.13 74
IV.NRCA.HHZ. 2020-12-18T09:21:42.61 0.1 negative manual P 159 25.6521 101 -0.19 96
IV.FDMO.HHZ. 2020-12-18T09:21:42.27 0.1 undecidable manual S 102 6.8931 146 -0.19 100
IV.MC2.EHZ. 2020-12-18T09:21:42.19 0.6 positive manual P 136 21.4674 105 0.01 50
IV.CSP1.EHZ. 2020-12-18T09:21:41.53 0.6 negative manual P 74 16.9719 113 0.02 51
IV.FDMO.HHZ. 2020-12-18T09:21:40.19 1.0 undecidable manual P 102 6.8931 146 -0.12 25
IV.CESI.HHZ. 2020-12-18T09:21:40.61 0.6 undecidable manual P 238 9.4794 136 0.05 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.0 0.0001285 0.2 AML other m 2020-12-18T09:21:42.36
IV.FDMO.HHN. ML:0.8 0.0000786 1.76 AML other m 2020-12-18T09:21:42.90
IV.CESI.HHN. ML:1.1 0.00014345 0.3 AML other m 2020-12-18T09:21:43.14
IV.CESI.HHE. ML:0.9 0.00008105 0.4 AML other m 2020-12-18T09:21:43.39
IV.NRCA.HHN. ML:1.3 0.00011245 0.14 AML other m 2020-12-18T09:21:46.75
IV.NRCA.HHE. ML:1.2 0.00008080000000000001 0.14 AML other m 2020-12-18T09:21:47.22
IV.ASSB.HHN. ML:1.0 0.00005215 1.42 AML other m 2020-12-18T09:21:48.05
IV.ASSB.HHE. ML:1.0 0.00005215 0.2 AML other m 2020-12-18T09:21:48.07
IV.EL6.EHE. ML:1.2 0.00006755 0.2 AML other m 2020-12-18T09:21:48.76
IV.EL6.EHN. ML:1.3 0.000082 0.4 AML other m 2020-12-18T09:21:49.26
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