Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-12-2016 and time 10:33:09 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.5 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 22-12-2016 09:33:09 (UTC)
  • 22-12-2016 10:33:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8600, 13.2380 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 8 281 281
Montegallo AP 8 523 804
Montemonaco AP 9 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 12 444 3030
Montefortino FM 13 1178 4208
Norcia PG 14 4957 9165
Visso MC 15 1107 10272
Bolognola MC 15 142 10414
Preci PG 16 724 11138
Amandola FM 17 3629 14767
Acquasanta Terme AP 17 2916 17683
Comunanza AP 18 3166 20849
Accumoli RI 18 667 21516
Palmiano AP 19 196 21712
Roccafluvione AP 19 2010 23722
Acquacanina MC 20 121 23843

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
59 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
87 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 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 		ML 1.5 2016-12-22
09:33:09		 42.8602 13.2378 11 2016-12-22
09:41:50		 Sala Sismica INGV-Roma 37395241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-22 09:33:09 ± 0.04
Latitude 42.8602 ± 0.0027
Longitude 13.2378 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 37395241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.47934
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 37395241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-22 09:41:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2016-12-22T09:33:25.05 0.3 undecidable manual S 331 50.0166 50 0.09 70
IV.TERO.HHZ. 2016-12-22T09:33:22.40 0.3 undecidable manual S 131 39.7269 50 0.16 70
IV.CAMP.HHZ. 2016-12-22T09:33:21.71 0.3 undecidable manual S 159 38.628 50 -0.21 69
IV.LNSS.HHZ. 2016-12-22T09:33:20.68 0.6 undecidable manual S 209 32.745 50 0.32 46
IV.T1215.EHZ. 2016-12-22T09:33:19.88 0.3 undecidable manual S 258 30.747 50 0.06 73
IV.CESI.HHZ. 2016-12-22T09:33:19.92 0.3 undecidable manual S 301 31.4463 50 -0.1 72
IV.ASSB.HHZ. 2016-12-22T09:33:18.47 0.3 undecidable manual P 293 51.2154 50 0.02 71
IV.GUMA.HHZ. 2016-12-22T09:33:18.45 0.3 undecidable manual S 19 23.8539 50 0.47 67
IV.EL6.EHZ. 2016-12-22T09:33:18.59 0.3 undecidable manual P 348 53.2023 50 -0.17 68
IV.SNTG.HHZ. 2016-12-22T09:33:18.05 0.3 undecidable manual P 331 50.0166 50 -0.22 68
IV.T1243.HHZ. 2016-12-22T09:33:17.94 0.3 undecidable manual S 137 24.9528 50 -0.34 69
IV.RM33.EHZ. 2016-12-22T09:33:17.01 0.3 undecidable manual P 183 39.0276 50 0.44 66
IV.T1211.EHZ. 2016-12-22T09:33:17.70 0.1 undecidable manual P 221 47.9187 50 -0.24 90
IV.T1218.EHZ. 2016-12-22T09:33:17.99 0.3 undecidable manual S 205 23.3544 50 0.14 72
IV.T1216.EHZ. 2016-12-22T09:33:16.21 0.3 undecidable manual S 281 18.0708 121 -0.24 72
IV.TERO.HHZ. 2016-12-22T09:33:16.48 0.1 undecidable manual P 131 39.7269 50 -0.21 92
IV.CAMP.HHZ. 2016-12-22T09:33:16.46 0.3 undecidable manual P 159 38.628 50 -0.05 72
IV.T1241.EHZ. 2016-12-22T09:33:15.75 0.3 undecidable manual S 91 15.7731 125 0 75
IV.CESI.HHZ. 2016-12-22T09:33:15.28 0.3 undecidable manual P 301 31.4463 50 -0.13 71
IV.T1256.HHZ. 2016-12-22T09:33:15.53 0.3 undecidable manual S 357 16.2726 124 -0.37 70
IV.LNSS.HHZ. 2016-12-22T09:33:15.64 0.1 undecidable manual P 209 32.745 50 0.03 97
IV.T1215.EHZ. 2016-12-22T09:33:15.18 0.3 undecidable manual P 258 30.747 50 -0.12 72
IV.T1218.EHZ. 2016-12-22T09:33:14.23 0.1 undecidable manual P 205 23.3544 50 0.07 98
IV.T1243.HHZ. 2016-12-22T09:33:14.29 0.3 undecidable manual P 137 24.9528 50 -0.12 72
IV.GUMA.HHZ. 2016-12-22T09:33:14.51 0.1 negative manual P 19 23.8539 50 0.28 94
IV.MMO1.EHZ. 2016-12-22T09:33:13.81 0.1 undecidable manual S 59 8.4804 142 -0.09 100
IV.T1245.HHZ. 2016-12-22T09:33:13.32 0.3 undecidable manual S 265 4.0959 159 0.17 74
IV.MC2.EHZ. 2016-12-22T09:33:13.78 0.3 undecidable manual S 325 6.993 147 0.18 74
IV.T1216.EHZ. 2016-12-22T09:33:13.20 0.1 undecidable manual P 281 18.0708 121 -0.15 97
IV.T1241.EHZ. 2016-12-22T09:33:12.91 0.3 positive manual P 91 15.7731 125 -0.04 75
IV.T1256.HHZ. 2016-12-22T09:33:12.88 0.1 undecidable manual P 357 16.2726 124 -0.16 97
IV.MC2.EHZ. 2016-12-22T09:33:11.92 0.1 positive manual P 325 6.993 147 0.22 98
IV.MMO1.EHZ. 2016-12-22T09:33:11.97 0.1 undecidable manual P 59 8.4804 142 0.09 100
IV.T1245.HHZ. 2016-12-22T09:33:11.69 0.1 negative manual P 265 4.0959 159 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.3 0.0000738 0.6 AML other m 2016-12-22T09:33:22.48
IV.CAMP.HHN. ML:1.3 0.00006840000000000001 0.32 AML other m 2016-12-22T09:33:22.47
IV.CESI.HHE. ML:1.7 0.000223 0.5 AML other m 2016-12-22T09:33:20.42
IV.CESI.HHN. ML:1.8 0.00028500000000000004 0.24 AML other m 2016-12-22T09:33:20.42
IV.GUMA.HHE. ML:1.7 0.000321 0.26 AML other m 2016-12-22T09:33:18.69
IV.GUMA.HHN. ML:1.7 0.0003275 0.34 AML other m 2016-12-22T09:33:18.81
IV.LNSS.HHE. ML:1.5 0.0001295 0.22 AML other m 2016-12-22T09:33:21.20
IV.LNSS.HHN. ML:1.4 0.0001145 0.88 AML other m 2016-12-22T09:33:22.17
IV.T1211.EHE. ML:1.3 0.0000557 0.46 AML other m 2016-12-22T09:33:26.85
IV.T1211.EHN. ML:1.4 0.0000629 1.04 AML other m 2016-12-22T09:33:26.21
IV.T1216.EHN. ML:1.4 0.000211 0.78 AML other m 2016-12-22T09:33:17.95
IV.T1216.EHE. ML:1.4 0.000202 0.76 AML other m 2016-12-22T09:33:18.50
IV.T1218.EHE. ML:1.6 0.0002655 0.44 AML other m 2016-12-22T09:33:18.35
IV.T1218.EHN. ML:1.5 0.000184 0.14 AML other m 2016-12-22T09:33:18.64
IV.T1241.EHE. ML:1.8 0.000585 1.16 AML other m 2016-12-22T09:33:15.99
IV.T1241.EHN. ML:1.3 0.000178 1.3 AML other m 2016-12-22T09:33:17.31
IV.T1256.HHN. ML:1.3 0.0001825 0.5 AML other m 2016-12-22T09:33:17.81
IV.T1256.HHE. ML:1.3 0.00016849999999999998 1.52 AML other m 2016-12-22T09:33:16.96
IV.TERO.HHN. ML:1.6 0.00012919999999999997 0.08 AML other m 2016-12-22T09:33:22.84
IV.TERO.HHE. ML:1.5 0.00011549999999999999 1.44 AML other m 2016-12-22T09:33:23.17
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