Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-12-2019 and time 23:21:39 (Italy) in region 1 km W Pieve Torina (MC)

A magnitude ML 1.2 earthquake occured in region: 1 km W Pieve Torina (MC), on

  • 23-12-2019 22:21:39 (UTC)
  • 23-12-2019 23:21:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0430, 13.0330 at 6 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 2 1458 1458
Muccia MC 5 915 2373
Fiordimonte MC 5 202 2575
Pievebovigliana MC 5 866 3441
Monte Cavallo MC 6 145 3586
Serravalle di Chienti MC 7 1070 4656
Fiastra MC 10 559 5215
Camerino MC 11 6974 12189
Acquacanina MC 12 121 12310
Visso MC 13 1107 13417
Sefro MC 13 422 13839
Ussita MC 14 444 14283
Pioraco MC 16 1134 15417
Bolognola MC 17 142 15559
Preci PG 18 724 16283
Fiuminata MC 18 1402 17685
Castelraimondo MC 19 4587 22272
Sellano PG 19 1079 23351
Caldarola MC 19 1823 25174
Castelsantangelo sul Nera MC 19 281 25455
Serrapetrona MC 20 966 26421
Cessapalombo MC 20 512 26933

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
82 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 1.2 2019-12-23
22:21:39		 43.0427 13.0333 6 2020-02-28
16:42:22		 Bollettino Sismico Italiano INGV 76244751
Reviewed
Rev100 		ML 1.2 2019-12-23
22:21:39		 43.0402 13.0367 6 2019-12-23
22:31:54		 Sala Sismica INGV-Roma 74927001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-23 22:21:39 ± 0.12
Latitude 43.0427 ± 0.0036
Longitude 13.0333 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76244751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32016
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74927001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-23 22:31:54

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 76244751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-05 15:42:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAON.HHZ. 2019-12-23T22:22:24.30 3.0 undecidable manual Sg 8.69 0
IV.SRES.HHZ. 2019-12-23T22:22:04.28 3.0 undecidable manual Sn -0.04 0
IV.LAV9.HNZ. 2019-12-23T22:21:58.41 3.0 negative manual Pn -0.36 0
IV.ATCC.EHZ. 2019-12-23T22:21:52.30 0.6 undecidable manual S 297 35.5422 100 0.12 47
IV.MF5.EHZ. 2019-12-23T22:21:52.78 0.6 undecidable manual S 100 35.1426 100 0.76 39
IV.ASSB.HHZ. 2019-12-23T22:21:50.53 0.6 undecidable manual S 270 30.3474 101 0.13 47
IV.MMO1.EHZ. 2019-12-23T22:21:49.58 0.6 undecidable manual S 124 28.6491 102 -0.23 46
IV.SNTG.HHZ. 2019-12-23T22:21:48.81 0.6 undecidable manual S 342 24.753 104 0.32 46
IV.NRCA.HHZ. 2019-12-23T22:21:48.22 0.6 undecidable manual S 164 24.1536 104 -0.06 48
IV.MC2.EHZ. 2019-12-23T22:21:47.53 0.6 undecidable manual S 139 19.2696 108 0.86 38
IV.MF5.EHZ. 2019-12-23T22:21:46.88 0.3 undecidable manual P 100 35.1426 100 0.09 70
IV.ATCC.EHZ. 2019-12-23T22:21:46.56 0.1 undecidable manual P 297 35.5422 100 -0.32 89
IV.APEC.HHZ. 2019-12-23T22:21:45.74 3.0 undecidable manual P 0.43 0
IV.CSP1.EHZ. 2019-12-23T22:21:45.51 0.6 undecidable manual S 69 14.9739 112 0.25 47
IV.MMO1.EHZ. 2019-12-23T22:21:45.12 0.1 undecidable manual P 124 28.6491 102 -0.4 89
IV.ASSB.HHZ. 2019-12-23T22:21:45.54 0.1 undecidable manual P 270 30.3474 101 -0.32 90
IV.CESI.HHZ. 2019-12-23T22:21:44.58 0.6 undecidable manual S 248 11.2776 119 0.48 45
IV.NRCA.HHZ. 2019-12-23T22:21:44.41 0.1 undecidable manual P 164 24.1536 104 -0.23 93
IV.SNTG.HHZ. 2019-12-23T22:21:44.72 0.3 undecidable manual P 342 24.753 104 -0.04 72
IV.MML1.HNE. 2019-12-23T22:21:43.63 0.6 undecidable manual S 328 9.2796 123 0.11 49
IV.CSP1.EHZ. 2019-12-23T22:21:43.00 0.1 undecidable manual P 69 14.9739 112 0.12 97
IV.FEMA.HNE. 2019-12-23T22:21:43.75 0.6 undecidable manual S 172 9.0798 124 0.31 47
IV.MC2.EHZ. 2019-12-23T22:21:43.76 0.3 undecidable manual P 139 19.2696 108 0.06 73
IT.MTCL.HGZ. 2019-12-23T22:21:42.63 0.6 undecidable manual S 207 6.0939 135 -0.02 50
IV.CESI.HHZ. 2019-12-23T22:21:42.41 0.1 undecidable manual P 248 11.2776 119 0.19 96
IV.FEMA.HNE. 2019-12-23T22:21:41.94 0.1 undecidable manual P 172 9.0798 124 0.1 98
IV.MML1.HNE. 2019-12-23T22:21:41.95 0.1 undecidable manual P 328 9.2796 123 0.07 99
IT.MTCL.HGZ. 2019-12-23T22:21:41.36 0.1 undecidable manual P 207 6.0939 135 -0.02 100
IV.FDMO.HHZ. 2019-12-23T22:21:41.73 0.3 undecidable manual S 99 4.3956 144 -0.56 67
IV.FDMO.HHZ. 2019-12-23T22:21:40.91 0.1 undecidable manual P 99 4.3956 144 -0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.1 0.0001805 0.4 AML other m 2019-12-23T22:21:45.27
IV.CESI.HHN. ML:1.0 0.0001465 0.3 AML other m 2019-12-23T22:21:45.29
IV.CSP1.EHE. ML:1.2 0.0001715 0.3 AML other m 2019-12-23T22:21:45.96
IV.CSP1.EHN. ML:1.2 0.0001585 0.86 AML other m 2019-12-23T22:21:46.93
IV.NRCA.HHN. ML:1.5 0.0002175 0.12 AML other m 2019-12-23T22:21:48.75
IV.NRCA.HHE. ML:1.5 0.00019600000000000002 0.98 AML other m 2019-12-23T22:21:49.11
IV.ATCC.EHE. ML:1.2 0.00006354444500000001 0.5024 AML other m 2019-12-23T22:21:52.58
IV.ATCC.EHN. ML:1.0 0.00004328819 1.232 AML other m 2019-12-23T22:21:53.68
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