Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.0 on date 03-12-2019 and time 17:33:40 (Italy) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude Md 1.0 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 03-12-2019 16:33:40 (UTC)
  • 03-12-2019 17:33:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 13.2020 at 11 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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 8 444 725
Montemonaco AP 10 604 1329
Visso MC 11 1107 2436
Montegallo AP 12 523 2959
Bolognola MC 13 142 3101
Preci PG 13 724 3825
Montefortino FM 13 1178 5003
Norcia PG 13 4957 9960
Arquata del Tronto AP 15 1178 11138
Acquacanina MC 16 121 11259
Amandola FM 17 3629 14888
Fiastra MC 17 559 15447
Sarnano MC 19 3264 18711
Comunanza AP 19 3166 21877
Fiordimonte MC 19 202 22079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
61 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km W of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 		Md 1.0 2019-12-03
16:33:40		 42.8845 13.2018 11 2019-12-03
16:54:20		 Sala Sismica INGV-Roma 74284311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-03 16:33:40 ± 0.13
Latitude 42.8845 ± 0.0063
Longitude 13.2018 ± 0.0110
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74284311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 940
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 10
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) 0.20684
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.0

Field Value
Value 1.0
Uncertainty 0.9
Num. used stations 5
Type of magnitude Md
Reference to an origin 74284311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-03 16:54:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2019-12-03T16:35:28.72 3.0 undecidable manual Sn -3.35 0
IV.NDIM.HHZ. 2019-12-03T16:35:02.85 3.0 undecidable manual Sn -2.62 0
IV.IMOL.HNZ. 2019-12-03T16:34:49.72 3.0 undecidable manual Sg 3.45 0
IV.MAGO.CHZ. 2019-12-03T16:34:41.73 3.0 undecidable manual Sn -2.22 0
IV.SCIAC.HHZ. 2019-12-03T16:34:34.65 3.0 negative manual Pn 0.68 0
IV.RIBO.EHZ.01 2019-12-03T16:34:33.75 3.0 undecidable manual Sg -0.64 0
IV.ERC.EHZ. 2019-12-03T16:34:30.86 3.0 undecidable manual Pn 2.8 0
IV.NDIM.HHZ. 2019-12-03T16:34:30.63 3.0 positive manual Pg 9.78 0
IV.FIR.HHZ. 2019-12-03T16:34:08.85 3.0 undecidable manual Pg 1.4 0
IV.IMOL.HNZ. 2019-12-03T16:34:04.77 3.0 positive manual Pn -5.29 0
IV.CPGN.EHZ. 2019-12-03T16:34:03.48 3.0 undecidable manual Pg 2.98 0
IV.CDRU.HHZ. 2019-12-03T16:33:54.98 3.0 undecidable manual Pn -1.66 0
IV.PTRJ.HNZ. 2019-12-03T16:33:52.59 3.0 undecidable manual S -1.27 0
IV.CSP1.EHZ. 2019-12-03T16:33:48.71 0.3 undecidable manual S 1 22.9548 90 0 98
IV.FDMO.HHE. 2019-12-03T16:33:47.42 0.3 undecidable manual S 331 19.2696 90 -0.29 93
IV.MMO1.EHZ. 2019-12-03T16:33:45.34 0.3 undecidable manual S 81 10.2786 118 -0.03 100
IV.CSP1.EHZ. 2019-12-03T16:33:45.04 0.3 undecidable manual P 1 22.9548 90 -0.04 97
IV.NRCA.HHZ. 2019-12-03T16:33:44.69 0.6 undecidable manual S 232 9.0798 125 -0.4 63
IV.FDMO.HHE. 2019-12-03T16:33:44.98 0.6 undecidable manual P 331 19.2696 90 0.48 60
IV.MC2.EHZ. 2019-12-03T16:33:44.24 0.3 undecidable manual S 341 3.1968 159 0.12 99
IV.NRCA.HHZ. 2019-12-03T16:33:43.06 0.3 undecidable manual P 232 9.0798 125 0.07 98
IV.MC2.EHZ. 2019-12-03T16:33:42.71 0.6 positive manual P 341 3.1968 159 0.28 64
IV.MMO1.EHZ. 2019-12-03T16:33:42.68 1.0 undecidable manual P 81 10.2786 118 -0.47 30
IV.PTRJ.HNZ. 2019-12-03T16:33:40.65 3.0 undecidable manual P 0.03 0
IT.PLTA.HNZ. 2019-12-03T16:33:37.83 3.0 undecidable manual P 0.3 0
IT.VNF1.HGZ. 2019-12-03T16:33:36.68 3.0 negative manual P 0.44 0
IT.LPEL.HHZ. 2019-12-03T16:33:24.70 3.0 undecidable manual S 0
IT.LPEL.HHZ. 2019-12-03T16:33:22.99 3.0 undecidable manual P 0
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
Waveforms Seismic signals in miniseed + resp format not available