Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 12-01-2013 and time 07:13:37 (Italy) in region 4 km E Bolognola (MC)

A magnitude ML 1.8 earthquake occured in region: 4 km E Bolognola (MC), on

  • 12-01-2013 06:13:37 (UTC)
  • 12-01-2013 07:13:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0000, 13.2800 at 24 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bolognola MC 4 142 142
Sarnano MC 5 3264 3406
Amandola FM 7 3629 7035
Montefortino FM 8 1178 8213
Gualdo MC 9 815 9028
Acquacanina MC 9 121 9149
Fiastra MC 11 559 9708
Montemonaco AP 12 604 10312
Comunanza AP 12 3166 13478
Cessapalombo MC 12 512 13990
San Ginesio MC 13 3498 17488
Ussita MC 13 444 17932
Penna San Giovanni MC 13 1108 19040
Smerillo FM 14 365 19405
Monte San Martino MC 14 765 20170
Sant'Angelo in Pontano MC 15 1436 21606
Montefalcone Appennino FM 15 424 22030
Camporotondo di Fiastrone MC 15 563 22593
Castelsantangelo sul Nera MC 16 281 22874
Fiordimonte MC 16 202 23076
Caldarola MC 16 1823 24899
Pievebovigliana MC 17 866 25765
Visso MC 17 1107 26872
Ripe San Ginesio MC 18 852 27724
Force AP 18 1354 29078
Santa Vittoria in Matenano FM 18 1330 30408
Montegallo AP 18 523 30931
Palmiano AP 18 196 31127
Belforte del Chienti MC 19 1886 33013
Pieve Torina MC 19 1458 34471
Colmurano MC 19 1263 35734
Servigliano FM 20 2336 38070
Falerone FM 20 3337 41407

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
71 Km NE of Terni (111501 inhabitants)
71 Km S of Ancona (100861 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
96 Km S of Fano (60888 inhabitants)
97 Km NW 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 1.8 2013-01-12
06:13:37		 42.9997 13.2802 24 2015-01-20
11:18:18		 Bollettino Sismico Italiano INGV 3575521
Reviewed
Rev100 		ML 1.8 2013-01-12
06:13:37		 42.9987 13.2673 24 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2827241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-01-12 06:13:37 ± 0.13
Latitude 42.9997 ± 0.0036
Longitude 13.2802 ± 0.0086
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3575521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 3575521
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:24:27

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 2827241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-01-12 06:19:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2013-01-12T06:13:55.67 0.6 undecidable manual S 292 55.7997 107 0.45 42
IV.CING.HHZ. 2013-01-12T06:13:52.34 0.6 undecidable manual S 351 42.2244 113 0.52 43
IV.SMA1.EHZ. 2013-01-12T06:13:51.83 0.6 undecidable manual S 174 41.2254 114 0.28 46
IV.SNTG.HHZ. 2013-01-12T06:13:51.16 0.6 undecidable manual S 316 39.5271 115 0.02 48
IV.EL6.EHZ. 2013-01-12T06:13:51.45 0.6 undecidable manual S 339 39.3273 115 0.35 45
IV.CESI.HHZ. 2013-01-12T06:13:49.35 0.6 undecidable manual S 271 30.4473 122 0.32 45
IV.ATCC.EHZ. 2013-01-12T06:13:47.62 0.1 undecidable manual P 292 55.7997 107 -0.04 93
IV.NRCA.HHZ. 2013-01-12T06:13:47.30 0.6 undecidable manual S 216 22.8549 131 -0.09 49
IV.SNTG.HHZ. 2013-01-12T06:13:45.16 0.1 undecidable manual P 316 39.5271 115 -0.15 94
IV.EL6.EHZ. 2013-01-12T06:13:45.19 0.1 undecidable manual P 339 39.3273 115 -0.09 94
IV.CSP1.EHZ. 2013-01-12T06:13:45.22 0.6 undecidable manual S 329 11.877 151 -0.32 48
IV.SMA1.EHZ. 2013-01-12T06:13:45.59 0.1 undecidable manual P 174 41.2254 114 0.05 96
IV.GUMA.HHZ. 2013-01-12T06:13:45.40 0.6 undecidable manual S 32 8.2806 159 0.27 48
IV.CING.HHZ. 2013-01-12T06:13:45.57 0.1 undecidable manual P 351 42.2244 113 -0.13 93
IV.FDMO.HHZ. 2013-01-12T06:13:45.77 0.6 undecidable manual S 285 16.1727 142 -0.4 47
IV.CESI.HHZ. 2013-01-12T06:13:44.09 0.1 negative manual P 271 30.4473 122 0 98
IV.NRCA.HHZ. 2013-01-12T06:13:43.12 0.1 negative manual P 216 22.8549 131 -0.02 99
IV.FDMO.HHZ. 2013-01-12T06:13:42.25 0.1 undecidable manual P 285 16.1727 142 -0.19 97
IV.GUMA.HHZ. 2013-01-12T06:13:41.95 0.1 positive manual P 32 8.2806 159 0.11 100
IV.CSP1.EHZ. 2013-01-12T06:13:41.93 0.1 undecidable manual P 329 11.877 151 -0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.2 0.000060100000000000004 0.28 AML other m 2013-01-12T06:13:49.71
IV.CESI.HHN. ML:1.0 0.00004045 0.98 AML other m 2013-01-12T06:13:49.86
IV.FDMO.HHE. ML:1.9 0.00039200000000000004 0.14 AML other m 2013-01-12T06:13:45.99
IV.FDMO.HHN. ML:1.8 0.00035299999999999996 0.2 AML other m 2013-01-12T06:13:45.97
IV.GUMA.HHE. ML:2.0 0.0006825000000000001 0.26 AML other m 2013-01-12T06:13:45.61
IV.GUMA.HHN. ML:1.8 0.0004425 1.54 AML other m 2013-01-12T06:13:45.58
IV.NRCA.HHE. ML:1.9 0.00039049999999999995 0.12 AML other m 2013-01-12T06:13:47.95
IV.NRCA.HHN. ML:1.8 0.000305 1.34 AML other m 2013-01-12T06:13:47.44
IV.SMA1.EHN. ML:1.6 0.00012305 1.54 AML other m 2013-01-12T06:13:52.24
IV.SMA1.EHE. ML:1.7 0.00013645 1.18 AML other m 2013-01-12T06:13:52.58
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