Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 03-12-2017 and time 21:52:48 (UTC) in region 4 km SW Bolognola (MC)

A magnitude ML 1.3 earthquake occured in region: 4 km SW Bolognola (MC), on

  • 03-12-2017 21:52:48 (UTC)
  • 03-12-2017 22:52:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9700, 13.1840 at 8 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.

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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
Bolognola MC 5 142 142
Ussita MC 5 444 586
Acquacanina MC 7 121 707
Fiastra MC 8 559 1266
Castelsantangelo sul Nera MC 9 281 1547
Visso MC 9 1107 2654
Fiordimonte MC 11 202 2856
Sarnano MC 12 3264 6120
Pievebovigliana MC 13 866 6986
Montefortino FM 13 1178 8164
Pieve Torina MC 14 1458 9622
Montemonaco AP 14 604 10226
Amandola FM 14 3629 13855
Monte Cavallo MC 15 145 14000
Preci PG 16 724 14724
Gualdo MC 17 815 15539
Cessapalombo MC 17 512 16051
Muccia MC 17 915 16966
Montegallo AP 19 523 17489
Comunanza AP 19 3166 20655
San Ginesio MC 19 3498 24153
Caldarola MC 19 1823 25976
Camporotondo di Fiastrone MC 19 563 26539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
66 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 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 1.3 2017-12-03
21:52:48		 42.9703 13.1843 8 2017-12-03
22:00:04		 Sala Sismica INGV-Roma 52317661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-03 21:52:48 ± 0.06
Latitude 42.9703 ± 0.0027
Longitude 13.1843 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 52317661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 36
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46405
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 52317661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-03 22:00:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-12-03T21:53:05.27 0.6 undecidable manual S 138 51.5151 50 0.3 44
IV.EL6.EHZ. 2017-12-03T21:53:02.49 0.6 undecidable manual S 350 40.3263 50 0.49 43
IV.SMA1.EHZ. 2017-12-03T21:53:01.94 0.6 undecidable manual S 162 39.627 50 0.13 47
IV.SNTG.HHZ. 2017-12-03T21:53:00.70 0.6 undecidable manual S 328 37.2294 50 -0.46 44
IV.T1221.EHZ. 2017-12-03T21:52:59.32 0.6 undecidable manual S 246 29.9478 106 0.34 45
IV.MTRA.EHZ. 2017-12-03T21:52:58.52 0.6 undecidable manual S 144 29.3484 106 -0.23 47
IV.TERO.HHZ. 2017-12-03T21:52:57.43 0.6 undecidable manual P 138 51.5151 50 -0.44 43
IV.MF5.EHZ. 2017-12-03T21:52:57.28 0.6 undecidable manual S 85 22.4553 111 0.8 39
IV.CESI.HHZ. 2017-12-03T21:52:56.75 0.6 undecidable manual S 280 23.0547 110 0.08 49
IV.CING.HHZ. 2017-12-03T21:52:56.64 3.0 undecidable manual P -0.05 0
IV.SNTG.HHZ. 2017-12-03T21:52:55.43 1.0 undecidable manual P 328 37.2294 50 -0.24 23
IV.SMA1.EHZ. 2017-12-03T21:52:55.72 0.6 negative manual P 162 39.627 50 -0.33 45
IV.EL6.EHZ. 2017-12-03T21:52:55.93 1.0 positive manual P 350 40.3263 50 -0.23 23
IV.GUMA.HHZ. 2017-12-03T21:52:54.63 0.6 undecidable manual S 50 15.9729 118 0.2 48
IV.NRCA.HHZ. 2017-12-03T21:52:54.66 0.6 undecidable manual S 201 16.1727 117 0.15 48
IV.T1221.EHZ. 2017-12-03T21:52:54.47 0.1 undecidable manual P 246 29.9478 106 0.06 96
IV.MMO1.EHZ. 2017-12-03T21:52:53.61 0.6 undecidable manual S 124 13.9749 121 -0.23 48
IV.MF5.EHZ. 2017-12-03T21:52:53.21 0.6 undecidable manual P 85 22.4553 111 0.24 47
IV.CESI.HHZ. 2017-12-03T21:52:53.26 0.1 positive manual P 280 23.0547 110 0.18 95
IV.MTRA.EHZ. 2017-12-03T21:52:53.87 1.0 undecidable manual P 144 29.3484 106 -0.41 22
IV.CSP1.EHZ. 2017-12-03T21:52:53.53 0.6 undecidable manual S 7 13.5753 122 -0.18 48
IV.FDMO.HHZ. 2017-12-03T21:52:52.79 0.6 undecidable manual S 313 10.7781 128 -0.12 49
IV.CSP1.EHZ. 2017-12-03T21:52:51.11 0.3 positive manual P 7 13.5753 122 -0.26 71
IV.MC2.EHZ. 2017-12-03T21:52:51.51 0.6 undecidable manual S 177 6.5934 142 -0.36 47
IV.MMO1.EHZ. 2017-12-03T21:52:51.40 0.3 negative manual P 124 13.9749 121 -0.04 75
IV.GUMA.HHZ. 2017-12-03T21:52:51.77 0.1 undecidable manual P 50 15.9729 118 -0.01 100
IV.NRCA.HHZ. 2017-12-03T21:52:51.97 0.6 positive manual P 201 16.1727 117 0.14 49
IV.MC2.EHZ. 2017-12-03T21:52:50.38 0.1 positive manual P 177 6.5934 142 0.08 100
IV.FDMO.HHZ. 2017-12-03T21:52:50.87 1.0 positive manual P 313 10.7781 128 -0.04 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.0 0.000135 0.38 AML other m 2017-12-03T21:52:53.27
IV.CSP1.EHE. ML:1.0 0.0001137 0.76 AML other m 2017-12-03T21:52:54.85
IV.CSP1.EHN. ML:0.8 0.0000669 1.5 AML other m 2017-12-03T21:52:55.93
IV.NRCA.HHE. ML:1.6 0.00040249999999999997 1.16 AML other m 2017-12-03T21:52:55.95
IV.NRCA.HNE. ML:1.6 0.0003925 1.82 AML other m 2017-12-03T21:52:55.04
IV.NRCA.HHN. ML:1.5 0.0003235 0.68 AML other m 2017-12-03T21:52:55.99
IV.NRCA.HNN. ML:1.6 0.0004235 0.7 AML other m 2017-12-03T21:52:55.64
IV.FDMO.HHE. ML:1.0 0.0001315 0.62 AML other m 2017-12-03T21:52:56.37
IV.GUMA.HHN. ML:1.5 0.000291 1.62 AML other m 2017-12-03T21:52:57.99
IV.CESI.HHN. ML:1.4 0.000157 0.52 AML other m 2017-12-03T21:52:57.54
IV.CESI.HHE. ML:1.3 0.0001235 0.78 AML other m 2017-12-03T21:52:58.24
IV.GUMA.HHE. ML:1.4 0.00023449999999999998 0.32 AML other m 2017-12-03T21:52:59.25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download