Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-01-2016 and time 19:57:50 (Italy) in region 7 km W Montemonaco (AP)

A magnitude ML 2.0 earthquake occured in region: 7 km W Montemonaco (AP), on

  • 11-01-2016 18:57:50 (UTC)
  • 11-01-2016 19:57:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 13.2460 at 9 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
Montemonaco AP 7 604 604
Castelsantangelo sul Nera MC 8 281 885
Montefortino FM 9 1178 2063
Bolognola MC 9 142 2205
Ussita MC 9 444 2649
Montegallo AP 11 523 3172
Amandola FM 12 3629 6801
Visso MC 13 1107 7908
Acquacanina MC 14 121 8029
Sarnano MC 14 3264 11293
Comunanza AP 15 3166 14459
Fiastra MC 15 559 15018
Arquata del Tronto AP 16 1178 16196
Preci PG 17 724 16920
Palmiano AP 18 196 17116
Norcia PG 18 4957 22073
Fiordimonte MC 19 202 22275
Gualdo MC 19 815 23090
Smerillo FM 19 365 23455
Montefalcone Appennino FM 19 424 23879
Roccafluvione AP 20 2010 25889

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
47 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
64 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
81 Km S of Ancona (100861 inhabitants)
86 Km NW of Montesilvano (53738 inhabitants)
94 Km NW of Pescara (121014 inhabitants)
98 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
Bulletin
Rev1000 		ML 2.0 2016-01-11
18:57:50		 42.9142 13.246 9 2016-05-17
13:16:22		 Bollettino Sismico Italiano INGV 23430711
Reviewed
Rev100 		ML 2.1 2016-01-11
18:57:50		 42.9128 13.2617 8 2016-01-11
19:21:22		 Sala Sismica INGV-Roma 23045981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-01-11 18:57:50 ± 0.08
Latitude 42.9142 ± 0.0036
Longitude 13.2460 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23430711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 404
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 23430711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-02-09 09:32:10

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 23045981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-01-11 19:21:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-01-11T18:58:13.05 0.1 undecidable manual S 339 69.2751 50 0.8 73
IV.ASSB.HHZ. 2016-01-11T18:58:07.24 0.1 undecidable manual S 287 49.7169 50 0.22 90
IV.CAMP.HHE. 2016-01-11T18:58:05.08 0.1 undecidable manual S 162 44.0226 50 -0.42 87
IV.RM33.HNE. 2016-01-11T18:58:05.95 0.3 undecidable manual S 183 45.0216 50 0.19 69
IV.LNSS.HHZ. 2016-01-11T18:58:04.34 0.1 undecidable manual S 206 38.3283 50 0.35 90
IV.OFFI.HHE. 2016-01-11T18:58:03.64 0.1 undecidable manual S 86 35.8419 50 0.34 90
IV.MNTP.HNZ. 2016-01-11T18:58:02.27 0.3 undecidable manual S 36 30.6471 106 0.42 67
IV.ARVD.HHZ. 2016-01-11T18:58:02.99 0.1 undecidable manual P 339 69.2751 50 -0.18 88
IV.SMA1.EHE. 2016-01-11T18:58:01.81 0.1 undecidable manual S 167 32.3454 50 -0.56 86
IV.RM33.HNE. 2016-01-11T18:57:59.38 0.3 undecidable manual P 183 45.0216 50 -0.05 71
IV.ASSB.HHZ. 2016-01-11T18:57:59.96 0.1 undecidable manual P 287 49.7169 50 -0.2 91
IV.CAMP.HHE. 2016-01-11T18:57:58.73 0.1 undecidable manual P 162 44.0226 50 -0.55 84
IV.LNSS.HHZ. 2016-01-11T18:57:58.25 0.1 undecidable manual P 206 38.3283 50 -0.16 93
IV.OFFI.HHE. 2016-01-11T18:57:58.54 0.1 undecidable manual P 86 35.8419 50 0.53 86
IV.CSP1.EHZ. 2016-01-11T18:57:58.01 0.1 undecidable manual S 350 19.9689 114 -0.35 93
IV.AQT1.EHZ. 2016-01-11T18:57:57.66 0.1 undecidable manual S 166 16.0728 119 0.53 89
IV.SMA1.EHE. 2016-01-11T18:57:57.29 0.1 undecidable manual P 167 32.3454 50 -0.18 94
IV.FDMO.HHZ. 2016-01-11T18:57:57.65 0.1 undecidable manual S 317 18.6702 115 -0.3 94
IV.FEMA.HNE. 2016-01-11T18:57:57.70 0.3 undecidable manual S 289 16.7721 118 0.35 70
IV.NRCA.HHZ. 2016-01-11T18:57:56.70 0.1 undecidable manual S 230 13.9749 122 0.2 97
IV.MNTP.HNZ. 2016-01-11T18:57:56.85 0.3 undecidable manual P 36 30.6471 106 -0.32 69
IV.FDMO.HHZ. 2016-01-11T18:57:54.68 0.1 positive manual P 317 18.6702 115 -0.24 95
IV.CSP1.EHZ. 2016-01-11T18:57:54.82 0.1 undecidable manual P 350 19.9689 114 -0.34 93
IV.FEMA.HNE. 2016-01-11T18:57:54.72 0.3 undecidable manual P 289 16.7721 118 0.14 73
IV.AQT1.EHZ. 2016-01-11T18:57:54.43 0.1 undecidable manual P 166 16.0728 119 -0.01 100
IV.NRCA.HHZ. 2016-01-11T18:57:54.21 0.1 positive manual P 230 13.9749 122 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.1 0.00131 0.46 AML other m 2016-01-11T18:57:57.17
IV.NRCA.HHE. ML:2.1 0.00147 0.46 AML other m 2016-01-11T18:57:57.17
IV.NRCA.HNN. ML:2.0 0.000958 0.12 AML other m 2016-01-11T18:57:57.37
IV.NRCA.HHN. ML:2.0 0.001049 0.12 AML other m 2016-01-11T18:57:57.43
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 Download