INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 0.9 on date 05-12-2018 and time 16:51:28 (Italy) in region 4 km S Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km S Castelsantangelo sul Nera (MC), on

  • 05-12-2018 15:51:28 (UTC)
  • 05-12-2018 16:51:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.86, 13.14 at 15 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
Castelsantangelo sul Nera MC 4 281 281
Norcia PG 8 4957 5238
Preci PG 9 724 5962
Visso MC 9 1107 7069
Ussita MC 10 444 7513
Montegallo AP 16 523 8036
Montemonaco AP 16 604 8640
Arquata del Tronto AP 16 1178 9818
Bolognola MC 17 142 9960
Sellano PG 18 1079 11039
Montefortino FM 19 1178 12217
Cascia PG 19 3217 15434
Cerreto di Spoleto PG 19 1075 16509
Monte Cavallo MC 19 145 16654
Acquacanina MC 19 121 16775
Fiastra MC 20 559 17334
Accumoli RI 20 667 18001

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
51 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.9 2018-12-05
15:51:28
42.86 13.14 15 2018-12-05
15:59:36
Sala Sismica INGV-Roma 63679071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-05 15:51:28 ± 0.1
Latitude 42.86 ± 0.00
Longitude 13.14 ± 0.01
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63679071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 63679071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-05 15:59:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2018-12-05T15:51:43.44 0.3 undecidable manual S 263 0.4236 96 0.25 68
IV.TERO.HHZ. 2018-12-05T15:51:43.50 0.6 undecidable manual S 125 0.4119 96 0.66 38
IV.RM33.EHZ. 2018-12-05T15:51:41.09 0.6 undecidable manual S 172 0.3534 98 -0.03 47
IV.SMA1.EHZ. 2018-12-05T15:51:39.05 0.6 undecidable manual S 148 0.268 102 0.43 44
IV.LNSS.HHZ. 2018-12-05T15:51:38.25 0.6 undecidable manual S 197 0.2671 102 -0.34 45
IV.CESI.HHZ. 2018-12-05T15:51:37.50 0.6 undecidable manual S 310 0.2275 106 0.03 49
IV.MOMA.HHZ. 2018-12-05T15:51:37.29 0.1 undecidable manual P 263 0.4236 96 0.47 86
IV.RM33.EHZ. 2018-12-05T15:51:36.02 1.0 positive manual P 172 0.3534 98 0.4 22
IV.TERO.HHZ. 2018-12-05T15:51:36.69 0.6 negative manual P 125 0.4119 96 0.08 46
IT.MTCL.HGZ. 2018-12-05T15:51:35.59 0.6 undecidable manual S 322 0.1718 114 -0.3 46
IV.FDMO.HHZ. 2018-12-05T15:51:35.98 0.6 undecidable manual S 347 0.1826 112 -0.21 47
IV.MMO1.HNZ. 2018-12-05T15:51:35.16 0.6 undecidable manual S 73 0.1403 122 0.08 48
IV.FEMA.HNZ. 2018-12-05T15:51:34.70 0.6 undecidable manual S 326 0.1241 126 0.02 50
IV.MC2.EHZ. 2018-12-05T15:51:33.51 0.6 undecidable manual S 32 0.0621 149 0.07 49
IV.CESI.HHZ. 2018-12-05T15:51:33.56 1.0 positive manual P 310 0.2275 106 0.04 24
IV.CSP1.EHZ. 2018-12-05T15:51:33.77 0.3 positive manual P 11 0.2374 105 0.1 71
IV.MTRA.EHZ. 2018-12-05T15:51:33.31 0.6 positive manual P 119 0.2113 108 0.06 48
IV.LNSS.HHZ. 2018-12-05T15:51:33.86 0.1 undecidable manual P 197 0.2671 102 -0.3 91
IV.SMA1.EHZ. 2018-12-05T15:51:33.67 0.1 undecidable manual P 148 0.268 102 -0.51 87
IV.NRCA.HHZ. 2018-12-05T15:51:32.78 0.6 undecidable manual S 220 0.0333 163 -0.31 48
IV.FEMA.HNZ. 2018-12-05T15:51:32.13 0.1 undecidable manual P 326 0.1241 126 0.22 95
IT.MTCL.HGZ. 2018-12-05T15:51:32.62 0.1 undecidable manual P 322 0.1718 114 0.01 98
IV.FDMO.HHZ. 2018-12-05T15:51:32.54 0.1 undecidable manual P 347 0.1826 112 -0.24 94
IV.MMO1.HNZ. 2018-12-05T15:51:31.98 0.1 undecidable manual P 73 0.1403 122 -0.16 97
IV.NRCA.HHZ. 2018-12-05T15:51:31.02 0.1 negative manual P 220 0.0333 163 0.03 100
IV.MC2.EHZ. 2018-12-05T15:51:31.38 1.0 undecidable manual P 32 0.0621 149 0.19 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.000263 0.7 AML other m 2018-12-05T15:51:33.43
IV.NRCA.HHE. ML:1.5 0.0003365 0.16 AML other m 2018-12-05T15:51:32.79
IV.CESI.HHE. ML:0.8 3.62029E-5 0.1024 AML other m 2018-12-05T15:51:37.58
IV.CESI.HHN. ML:1 5.5397035E-5 0.1408 AML other m 2018-12-05T15:51:37.84
IV.RM33.EHN. ML:0.6 1.6381585E-5 0.5376 AML other m 2018-12-05T15:51:41.08
IV.RM33.EHE. ML:0.8 1.76594595E-5 0.5376 AML other m 2018-12-05T15:51:38.02
IV.TERO.HHE. ML:0.7 1.668308E-5 1.28 AML other m 2018-12-05T15:51:45.09
IV.TERO.HHN. ML:0.7 1.5925015E-5 0.0768 AML other m 2018-12-05T15:51:43.58
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download