Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 15-12-2019 and time 00:42:34 (Italy) in region 1 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.7 earthquake occured in region: 1 km SE Castelsantangelo sul Nera (MC), on

  • 14-12-2019 23:42:34 (UTC)
  • 15-12-2019 00:42:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 13.1600 at 8 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
Castelsantangelo sul Nera MC 1 281 281
Ussita MC 6 444 725
Visso MC 8 1107 1832
Preci PG 10 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 14 604 8259
Montegallo AP 15 523 8782
Acquacanina MC 16 121 8903
Montefortino FM 16 1178 10081
Fiastra MC 16 559 10640
Arquata del Tronto AP 17 1178 11818
Monte Cavallo MC 17 145 11963
Fiordimonte MC 17 202 12165
Sellano PG 19 1079 13244
Amandola FM 19 3629 16873
Pieve Torina MC 20 1458 18331
Sarnano MC 20 3264 21595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 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 1.7 2019-12-14
23:42:34		 42.8895 13.1603 8 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76377801
Reviewed
Rev100 		ML 1.7 2019-12-14
23:42:34		 42.8892 13.1592 9 2019-12-14
23:46:41		 Sala Sismica INGV-Roma 74633201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-14 23:42:34 ± 0.08
Latitude 42.8895 ± 0.0036
Longitude 13.1603 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76377801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
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) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76377801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-09 15:52:36

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 74633201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-14 23:46:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-12-14T23:42:51.04 0.6 undecidable manual S 354 49.0176 50 -0.02 47
IV.ASSB.HHZ. 2019-12-14T23:42:49.65 0.6 undecidable manual S 293 44.1225 50 -0.1 47
IV.LNSS.HNZ. 2019-12-14T23:42:46.95 0.6 undecidable manual S 197 33.2445 103 0.28 46
IV.SAP2.EHE. 2019-12-14T23:42:46.24 0.6 undecidable manual S 40 30.0477 105 0.64 42
IV.MF5.EHZ. 2019-12-14T23:42:45.29 0.6 undecidable manual S 66 26.6511 106 0.83 39
IV.MML1.HNE. 2019-12-14T23:42:45.22 0.6 undecidable manual S 328 29.1486 105 -0.09 48
IV.SMA1.EHZ. 2019-12-14T23:42:45.97 0.6 undecidable manual S 154 32.0457 104 -0.3 46
IV.EL6.EHZ. 2019-12-14T23:42:43.75 0.3 undecidable manual P 354 49.0176 50 -0.44 65
IV.ASSB.HHZ. 2019-12-14T23:42:43.17 0.3 undecidable manual P 293 44.1225 50 -0.27 68
IV.CSP1.EHZ. 2019-12-14T23:42:43.11 0.6 undecidable manual S 9 22.755 109 -0.06 49
IV.MNTT.EHZ. 2019-12-14T23:42:43.41 0.3 undecidable manual P 61 40.2264 50 0.57 63
IV.GUMA.HHZ. 2019-12-14T23:42:43.94 0.6 undecidable manual S 36 23.8539 108 0.39 46
IV.CESI.HHZ. 2019-12-14T23:42:43.94 0.6 undecidable manual S 302 24.3534 108 0.23 47
IV.FDMO.HHZ. 2019-12-14T23:42:41.34 0.6 undecidable manual S 340 17.3715 114 -0.09 49
IV.LNSS.HNZ. 2019-12-14T23:42:41.49 0.3 undecidable manual P 197 33.2445 103 -0.17 71
IV.SMA1.EHZ. 2019-12-14T23:42:41.42 0.3 undecidable manual P 154 32.0457 104 -0.01 73
IT.MTCL.HGZ. 2019-12-14T23:42:41.47 0.6 undecidable manual S 312 17.4714 114 0.01 50
IV.FEMA.HNE. 2019-12-14T23:42:40.25 0.6 undecidable manual S 312 12.0768 123 0.44 46
IV.MF5.EHZ. 2019-12-14T23:42:40.51 0.1 undecidable manual P 66 26.6511 106 0.13 96
IV.MML1.HNE. 2019-12-14T23:42:40.71 0.1 undecidable manual P 328 29.1486 105 -0.16 95
IV.SAP2.EHE. 2019-12-14T23:42:40.60 0.3 undecidable manual P 40 30.0477 105 -0.44 67
IV.GUMA.HHZ. 2019-12-14T23:42:39.87 0.1 undecidable manual P 36 23.8539 108 0.01 99
IV.CESI.HHZ. 2019-12-14T23:42:39.92 0.1 undecidable manual P 302 24.3534 108 -0.03 98
IV.CSP1.EHZ. 2019-12-14T23:42:39.43 0.3 undecidable manual P 9 22.755 109 -0.2 71
IV.MMO1.EHZ. 2019-12-14T23:42:39.98 0.6 undecidable manual S 85 13.5753 120 -0.29 47
IT.MTCL.HGZ. 2019-12-14T23:42:38.65 0.1 undecidable manual P 312 17.4714 114 0 100
IV.FEMA.HNE. 2019-12-14T23:42:38.12 0.1 undecidable manual P 312 12.0768 123 0.42 93
IV.FDMO.HHZ. 2019-12-14T23:42:38.62 0.1 undecidable manual P 340 17.3715 114 -0.01 100
IV.NRCA.HNZ. 2019-12-14T23:42:38.90 0.6 undecidable manual S 211 7.2927 137 0.37 47
IV.NRCA.HNZ. 2019-12-14T23:42:37.19 0.1 undecidable manual P 211 7.2927 137 0.23 97
IV.MMO1.EHZ. 2019-12-14T23:42:37.89 0.1 positive manual P 85 13.5753 120 -0.07 99
IV.MC2.EHZ. 2019-12-14T23:42:37.10 0.3 undecidable manual S 44 3.3966 157 -0.69 64
IV.MC2.EHZ. 2019-12-14T23:42:36.26 0.1 undecidable manual P 44 3.3966 157 -0.27 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.00155 1.86 AML other m 2019-12-14T23:42:39.06
IV.NRCA.HHE. ML:2.0 0.00165 1.86 AML other m 2019-12-14T23:42:39.06
IV.NRCA.HNN. ML:1.8 0.0010129999999999998 0.88 AML other m 2019-12-14T23:42:39.21
IV.NRCA.HHN. ML:1.7 0.0009755 0.88 AML other m 2019-12-14T23:42:39.65
IV.FDMO.HHN. ML:1.0 0.0001012 0.38 AML other m 2019-12-14T23:42:42.62
IV.FDMO.HHE. ML:0.9 0.0000764 1.4 AML other m 2019-12-14T23:42:42.95
IV.GUMA.HHE. ML:1.7 0.00035099999999999997 0.7 AML other m 2019-12-14T23:42:44.17
IV.GUMA.HHN. ML:1.5 0.00020250000000000002 0.54 AML other m 2019-12-14T23:42:44.57
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