Earthquake with magnitude of ML 1.2 on date 25-12-2017 and time 15:22:56 (Italy) in region 4 km NE Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Monte Cavallo (MC), on

  • 25-12-2017 14:22:56 (UTC)
  • 25-12-2017 15:22:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0140, 13.0360 at 0 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
Monte Cavallo MC 4 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 5 202 1805
Pievebovigliana MC 7 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 10 1107 5763
Fiastra MC 10 559 6322
Ussita MC 11 444 6766
Acquacanina MC 12 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Bolognola MC 16 142 14727
Sefro MC 16 422 15149
Sellano PG 16 1079 16228
Castelsantangelo sul Nera MC 16 281 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 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 1.2 2017-12-25
14:22:56
43.0145 13.0355 0 2017-12-25
14:26:58
Sala Sismica INGV-Roma 52800581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-25 14:22:56 ± 0.12
Latitude 43.0145 ± 0.0054
Longitude 13.0355 ± 0.0061
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 52800581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 52800581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-25 14:26:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-12-25T14:23:15.74 3.0 undecidable manual S -0.25 0
IV.ARVD.HHZ. 2017-12-25T14:23:11.24 3.0 undecidable manual S -2.03 0
IV.MF5.EHZ. 2017-12-25T14:23:08.24 0.6 undecidable manual S 95 34.5432 90 0.22 47
IV.TERO.HHZ. 2017-12-25T14:23:07.13 3.0 negative manual P 0.3 0
IV.T1214.EHZ. 2017-12-25T14:23:06.47 0.6 undecidable manual S 153 31.5462 90 -0.52 44
IV.ASSB.HHZ. 2017-12-25T14:23:05.55 3.0 undecidable manual S -0.53 0
IV.GUMA.HHZ. 2017-12-25T14:23:04.84 0.6 undecidable manual S 77 24.8529 90 0.17 48
IV.CING.HHZ. 2017-12-25T14:23:03.47 3.0 positive manual P 0.14 0
IV.NRCA.HHZ. 2017-12-25T14:23:03.30 0.6 undecidable manual S 162 21.0678 91 -0.04 50
IV.MF5.EHZ. 2017-12-25T14:23:02.81 1.0 undecidable manual P 95 34.5432 90 -0.14 24
IV.EL6.EHZ. 2017-12-25T14:23:02.21 3.0 negative manual P 0.02 0
IV.MC2.EHZ. 2017-12-25T14:23:02.20 0.3 undecidable manual S 132 16.872 91 0.3 71
IV.T1214.EHZ. 2017-12-25T14:23:01.82 1.0 negative manual P 153 31.5462 90 -0.54 22
IV.T1221.EHZ. 2017-12-25T14:23:00.50 0.6 positive manual P 222 22.9548 90 -0.13 48
IV.GUMA.HHZ. 2017-12-25T14:23:00.80 1.0 positive manual P 77 24.8529 90 -0.22 24
IV.NRCA.HHZ. 2017-12-25T14:22:59.86 0.6 negative manual P 162 21.0678 91 -0.39 46
IV.MC2.EHZ. 2017-12-25T14:22:59.84 0.1 undecidable manual P 132 16.872 91 0.42 92
IV.CSP1.EHZ. 2017-12-25T14:22:58.95 0.6 positive manual P 58 16.1727 91 -0.32 47
IV.CESI.HHZ. 2017-12-25T14:22:58.41 0.1 positive manual P 264 10.6782 91 0.24 97
IV.FDMO.HHZ. 2017-12-25T14:22:57.63 0.6 undecidable manual S 60 4.8951 92 -0.09 50
IV.FDMO.HHZ. 2017-12-25T14:22:56.88 0.1 undecidable manual P 60 4.8951 92 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.0 0.00015900000000000002 0.12 AML other m 2017-12-25T14:23:00.65
IV.CESI.HHE. ML:0.9 0.0001505 0.58 AML other m 2017-12-25T14:23:00.95
IV.NRCA.HHE. ML:1.1 0.0001019 0.16 AML other m 2017-12-25T14:23:03.64
IV.NRCA.HHN. ML:1.2 0.000126 0.8 AML other m 2017-12-25T14:23:04.88
IV.GUMA.HHE. ML:1.6 0.0002855 0.22 AML other m 2017-12-25T14:23:05.18
IV.GUMA.HHN. ML:1.4 0.00014950000000000003 0.2 AML other m 2017-12-25T14:23:05.13
IV.ASSB.HHN. ML:1.3 0.00009334999999999999 0.2 AML other m 2017-12-25T14:23:06.92
IV.ASSB.HHE. ML:1.3 0.0000986 1.38 AML other m 2017-12-25T14:23:07.84
IV.CING.HHE. ML:1.1 0.0000428 0.2 AML other m 2017-12-25T14:23:09.84
IV.CING.HHN. ML:1.0 0.0000322 0.68 AML other m 2017-12-25T14:23:10.41
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