Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 12-04-2012 and time 19:33:59 (Italy) in region 2 km W Montegiorgio (FM)

A magnitude ML 1.9 earthquake occured in region: 2 km W Montegiorgio (FM), on

  • 12-04-2012 17:33:59 (UTC)
  • 12-04-2012 19:33:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1220, 13.5140 at 27 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
Montegiorgio FM 2 6851 6851
Monte Vidon Corrado FM 2 731 7582
Falerone FM 4 3337 10919
Belmonte Piceno FM 4 646 11565
Montappone FM 4 1682 13247
Massa Fermana FM 5 963 14210
Servigliano FM 5 2336 16546
Magliano di Tenna FM 6 1452 17998
Monsampietro Morico FM 7 659 18657
Grottazzolina FM 7 3398 22055
Mogliano MC 8 4696 26751
Rapagnano FM 8 2145 28896
Francavilla d'Ete FM 8 964 29860
Monteleone di Fermo FM 8 395 30255
Montottone FM 9 979 31234
Loro Piceno MC 9 2401 33635
Monte San Pietrangeli FM 10 2458 36093
Sant'Angelo in Pontano MC 10 1436 37529
Monte Giberto FM 10 801 38330
Penna San Giovanni MC 10 1108 39438
Torre San Patrizio FM 10 2048 41486
Santa Vittoria in Matenano FM 11 1330 42816
Monte San Martino MC 12 765 43581
Montelparo FM 12 778 44359
Monte Rinaldo FM 12 379 44738
Petriolo MC 12 1998 46736
Ponzano di Fermo FM 12 1674 48410
Ripe San Ginesio MC 12 852 49262
Monte Vidon Combatte FM 12 433 49695
Ortezzano FM 13 774 50469
Petritoli FM 13 2335 52804
Colmurano MC 14 1263 54067
Urbisaglia MC 14 2628 56695
Corridonia MC 14 15430 72125
Smerillo FM 14 365 72490
Monte San Giusto MC 14 8191 80681
Gualdo MC 15 815 81496
Montefalcone Appennino FM 16 424 81920
Montegranaro FM 16 12990 94910
Monte Urano FM 16 8353 103263
San Ginesio MC 16 3498 106761
Montalto delle Marche AP 17 2122 108883
Carassai AP 17 1100 109983
Monterubbiano FM 17 2230 112213
Fermo FM 17 37655 149868
Force AP 18 1354 151222
Montedinove AP 18 488 151710
Moresco FM 18 598 152308
Sant'Elpidio a Mare FM 19 17110 169418
Rotella AP 19 906 170324
Sarnano MC 20 3264 173588
Comunanza AP 20 3166 176754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Teramo (54892 inhabitants)
55 Km S of Ancona (100861 inhabitants)
68 Km E of Foligno (57155 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
86 Km N of L'Aquila (69753 inhabitants)
90 Km SE of Fano (60888 inhabitants)
91 Km E of Perugia (166134 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
94 Km NE of Terni (111501 inhabitants)
100 Km SE of Pesaro (94582 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 		Md 2.1
ML 1.9 		2012-04-12
17:33:59		 43.122 13.514 27 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1358529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-04-12 17:33:59 ± 0.17
Latitude 43.1220 ± 0.0054
Longitude 13.5140 ± 0.0123
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1358529

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 1166.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82378
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1358529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:08:41

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1358529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:08:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTL8.EHZ. 2012-04-12T17:34:31.56 10.0 undecidable manual Pg 0 0 0
IV.ATPC.HHE. 2012-04-12T17:34:29.20 10.0 undecidable manual Pg 0 0 0
IV.ATVO.HHN. 2012-04-12T17:34:29.67 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHN. 2012-04-12T17:34:27.62 10.0 undecidable manual Pg 0 0 0
IV.CAMP.HHE. 2012-04-12T17:34:19.61 0.6 undecidable manual Sg 188 65.5899 -0.165 48
IV.MURB.HHE. 2012-04-12T17:34:18.78 10.0 undecidable manual Pg 0 0 0
IV.SMA1.EHZ. 2012-04-12T17:34:17.90 0.6 undecidable manual Sg 195 56.3991 0.45 45
IV.CESI.HHN. 2012-04-12T17:34:16.55 0.3 undecidable manual Sg 256 51.1155 0.425 69
IV.VCEL.EHE. 2012-04-12T17:34:16.49 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHE. 2012-04-12T17:34:16.00 0.6 undecidable manual Sg 8 48.1185 0.619 44
IV.SNTG.HHZ. 2012-04-12T17:34:15.62 0.3 undecidable manual Sg 288 48.7179 0.081 75
IV.NRCA.HHZ. 2012-04-12T17:34:15.02 0.3 undecidable manual Sg 226 45.5211 0.254 72
IV.PIEI.HHE. 2012-04-12T17:34:15.37 0.6 undecidable manual Pg 301 91.4418 0.414 43
IV.MPAG.EHE. 2012-04-12T17:34:14.48 0.3 undecidable manual Pg 313 82.9503 0.803 57
IV.FRON.EHE. 2012-04-12T17:34:14.43 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2012-04-12T17:34:12.36 0.3 undecidable manual Sg 255 35.8419 -0.116 75
IV.CING.HHZ. 2012-04-12T17:34:12.99 0.3 undecidable manual Sg 318 38.2284 -0.023 76
IV.ATCC.EHN. 2012-04-12T17:34:12.00 0.3 undecidable manual Pg 276 71.0733 0.09 72
IV.CAMP.HHE. 2012-04-12T17:34:11.70 0.6 undecidable manual Pg 188 65.5899 0.617 41
IV.LNSS.HHN. 2012-04-12T17:34:11.81 0.3 undecidable manual Pg 214 69.2751 0.176 70
IV.SSFR.HHE. 2012-04-12T17:34:11.51 0.3 undecidable manual Pg 301 68.6757 -0.034 72
IV.ARVD.HHN. 2012-04-12T17:34:10.11 0.3 undecidable manual Pg 312 62.2932 -0.497 66
IV.SMA1.EHZ. 2012-04-12T17:34:09.40 0.3 undecidable manual Pg 195 56.3991 -0.34 70
IV.TERO.HHN. 2012-04-12T17:34:09.17 0.3 undecidable manual Pg 172 55.7997 -0.483 68
IV.GUMA.HHZ. 2012-04-12T17:34:08.57 0.3 undecidable manual Sg 246 15.873 0.023 80
IV.AOI.HHE. 2012-04-12T17:34:08.35 0.3 undecidable manual Pg 8 48.1185 -0.194 73
IV.SNTG.HHZ. 2012-04-12T17:34:08.39 0.3 undecidable manual Pg 288 48.7179 -0.246 72
IV.CESI.HHN. 2012-04-12T17:34:08.92 0.3 undecidable manual Pg 256 51.1155 -0.053 75
IV.NRCA.HHZ. 2012-04-12T17:34:07.91 0.3 undecidable manual Pg 226 45.5211 -0.28 72
IV.FDMO.HHZ. 2012-04-12T17:34:06.50 0.1 undecidable manual Pg 255 35.8419 -0.368 96
IV.CING.HHZ. 2012-04-12T17:34:06.91 0.3 undecidable manual Pg 318 38.2284 -0.267 73
IV.OFFI.HHN. 2012-04-12T17:34:06.23 0.3 undecidable manual Pg 146 24.9528 0.72 64
IV.GUMA.HHZ. 2012-04-12T17:34:04.27 0.1 undecidable manual Pg 246 15.873 -0.331 100
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