Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 31-12-2019 and time 15:41:39 (Italy) in region 3 km W Pieve Torina (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km W Pieve Torina (MC), on

  • 31-12-2019 14:41:39 (UTC)
  • 31-12-2019 15:41:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0420, 13.0170 at 12 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
Pieve Torina MC 3 1458 1458
Muccia MC 5 915 2373
Monte Cavallo MC 6 145 2518
Pievebovigliana MC 6 866 3384
Fiordimonte MC 6 202 3586
Serravalle di Chienti MC 6 1070 4656
Camerino MC 11 6974 11630
Fiastra MC 11 559 12189
Sefro MC 13 422 12611
Acquacanina MC 13 121 12732
Visso MC 14 1107 13839
Ussita MC 15 444 14283
Pioraco MC 16 1134 15417
Fiuminata MC 18 1402 16819
Bolognola MC 18 142 16961
Preci PG 18 724 17685
Sellano PG 18 1079 18764
Castelraimondo MC 19 4587 23351
Castelsantangelo sul Nera MC 20 281 23632
Nocera Umbra PG 20 5839 29471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 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
Bulletin
Rev1000 		ML 0.8 2019-12-31
14:41:39		 43.0423 13.0172 12 2020-02-28
16:42:20		 Bollettino Sismico Italiano INGV 75792351
Reviewed
Rev100 		ML 0.8 2019-12-31
14:41:39		 43.0433 13.0207 12 2019-12-31
14:50:16		 Sala Sismica INGV-Roma 75142301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-31 14:41:39 ± 0.05
Latitude 43.0423 ± 0.0027
Longitude 13.0172 ± 0.0025
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75792351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 248
Semi-minor axis of confidence ellipse (meter) 66
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75142301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-31 14:50:16

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75792351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-24 09:49:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2019-12-31T14:41:49.80 0.3 undecidable manual S 270 29.0487 93 0.03 72
IV.NRCA.HNE. 2019-12-31T14:41:48.35 0.1 undecidable manual S 161 24.4533 94 -0.19 94
IV.SNTG.HHZ. 2019-12-31T14:41:48.44 0.6 undecidable manual S 345 24.3534 94 -0.08 48
IV.MC2.EHZ. 2019-12-31T14:41:47.55 0.3 undecidable manual S 136 20.1687 96 0.16 71
IV.CSP1.EHZ. 2019-12-31T14:41:46.43 0.3 undecidable manual S 70 16.1727 101 0.08 73
IV.PF6.EHE. 2019-12-31T14:41:46.64 0.1 undecidable manual S 54 17.871 98 -0.14 97
IV.ASSB.HHZ. 2019-12-31T14:41:45.39 0.3 undecidable manual P 270 29.0487 93 -0.06 72
IV.MC2.EHZ. 2019-12-31T14:41:44.07 0.3 undecidable manual P 136 20.1687 96 -0.01 74
IV.MML1.HNZ. 2019-12-31T14:41:44.61 0.1 undecidable manual S 335 8.6802 131 0.05 100
IV.CESI.HHZ. 2019-12-31T14:41:44.98 0.1 undecidable manual S 246 9.9789 125 0.14 98
IV.NRCA.HNE. 2019-12-31T14:41:44.47 0.3 undecidable manual P 161 24.4533 94 -0.28 69
IV.SNTG.HHZ. 2019-12-31T14:41:44.65 0.1 undecidable manual P 345 24.3534 94 -0.08 96
IV.FEMA.HNE. 2019-12-31T14:41:44.79 0.1 undecidable manual S 163 9.2796 128 0.11 98
IT.MTCL.HGE. 2019-12-31T14:41:43.77 0.3 undecidable manual S 195 5.5944 147 -0.24 71
IV.CSP1.EHZ. 2019-12-31T14:41:43.54 0.1 undecidable manual P 70 16.1727 101 0.06 97
IV.FDMO.HHZ. 2019-12-31T14:41:43.89 0.3 undecidable manual S 97 5.6943 146 -0.14 73
IV.PF6.EHE. 2019-12-31T14:41:43.63 0.1 undecidable manual P 54 17.871 98 -0.1 97
IV.FEMA.HNE. 2019-12-31T14:41:42.69 0.1 undecidable manual P 163 9.2796 128 0.18 97
IT.MTCL.HGE. 2019-12-31T14:41:42.14 0.3 undecidable manual P 195 5.5944 147 0.02 76
IV.MML1.HNZ. 2019-12-31T14:41:42.54 0.1 undecidable manual P 335 8.6802 131 0.1 99
IV.CESI.HHZ. 2019-12-31T14:41:42.73 0.1 negative manual P 246 9.9789 125 0.13 98
IV.FDMO.HHZ. 2019-12-31T14:41:42.21 0.1 undecidable manual P 97 5.6943 146 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.00010235 0.16 AML other m 2019-12-31T14:41:44.06
IV.FDMO.HHN. ML:0.6 0.0000574 0.2 AML other m 2019-12-31T14:41:44.24
IV.CESI.HHE. ML:1.0 0.00011985000000000001 0.48 AML other m 2019-12-31T14:41:45.01
IV.CESI.HHN. ML:1.0 0.00010465 0.48 AML other m 2019-12-31T14:41:45.10
IV.CSP1.EHN. ML:0.7 0.000044075555000000006 0.1408 AML other m 2019-12-31T14:41:46.53
IV.CSP1.EHE. ML:0.6 0.000028767845 0.1024 AML other m 2019-12-31T14:41:46.54
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