Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 12-05-2010 and time 04:27:28 (Italy) in region 1 km E Gualdo (MC)

A magnitude ML 2.1 earthquake occured in region: 1 km E Gualdo (MC), on

  • 12-05-2010 02:27:28 (UTC)
  • 12-05-2010 04:27:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0730, 13.3520 at 21 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
Gualdo MC 1 815 815
Sant'Angelo in Pontano MC 5 1436 2251
San Ginesio MC 5 3498 5749
Sarnano MC 6 3264 9013
Penna San Giovanni MC 6 1108 10121
Ripe San Ginesio MC 8 852 10973
Monte San Martino MC 9 765 11738
Cessapalombo MC 9 512 12250
Camporotondo di Fiastrone MC 10 563 12813
Colmurano MC 10 1263 14076
Amandola FM 10 3629 17705
Falerone FM 11 3337 21042
Smerillo FM 11 365 21407
Servigliano FM 12 2336 23743
Loro Piceno MC 12 2401 26144
Montappone FM 12 1682 27826
Monte Vidon Corrado FM 12 731 28557
Caldarola MC 13 1823 30380
Montefalcone Appennino FM 13 424 30804
Santa Vittoria in Matenano FM 13 1330 32134
Bolognola MC 13 142 32276
Massa Fermana FM 13 963 33239
Comunanza AP 14 3166 36405
Belforte del Chienti MC 14 1886 38291
Urbisaglia MC 14 2628 40919
Montefortino FM 14 1178 42097
Monteleone di Fermo FM 15 395 42492
Acquacanina MC 15 121 42613
Belmonte Piceno FM 15 646 43259
Tolentino MC 16 20069 63328
Montelparo FM 16 778 64106
Fiastra MC 16 559 64665
Mogliano MC 17 4696 69361
Montegiorgio FM 17 6851 76212
Force AP 17 1354 77566
Monsampietro Morico FM 17 659 78225
Serrapetrona MC 18 966 79191
Petriolo MC 19 1998 81189
Montottone FM 19 979 82168
Monte Rinaldo FM 19 379 82547
Montemonaco AP 19 604 83151

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
62 Km S of Ancona (100861 inhabitants)
78 Km E of Perugia (166134 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
81 Km NE of Terni (111501 inhabitants)
90 Km SE of Fano (60888 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 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 2.4
ML 2.1 		2010-05-12
02:27:28		 43.073 13.352 21 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1049129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-05-12 02:27:28 ± 0.1
Latitude 43.0730 ± 0.0045
Longitude 13.3520 ± 0.0086
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1049129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 712
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 42
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) 1.13584
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1049129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:11:25

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1049129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:11:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESLN.HHN. 2010-05-12T02:28:21.14 10.0 undecidable manual Pg 0 0 0
IV.CRE.HHN. 2010-05-12T02:28:08.93 10.0 undecidable manual Pg 0 0 0
IV.FIR.HHZ. 2010-05-12T02:27:57.04 10.0 undecidable manual Pg 0 0 0
IV.ATVO.HHN. 2010-05-12T02:27:54.31 0.6 undecidable manual Sg 295 83.8494 0.766 35
IV.PIEI.HHZ. 2010-05-12T02:27:54.17 0.6 undecidable manual Sg 308 83.6496 0.674 36
IV.SENI.EHE. 2010-05-12T02:27:52.79 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2010-05-12T02:27:52.90 10.0 undecidable manual Pg 0 0 0
IV.ATFO.HHE. 2010-05-12T02:27:50.83 0.6 undecidable manual Sg 298 71.0733 0.651 37
IV.INTR.HHZ. 2010-05-12T02:27:49.87 0.3 undecidable manual Pg 159 126.0738 0.425 57
IV.SACS.HHE. 2010-05-12T02:27:49.24 0.3 undecidable manual Pg 259 119.6913 0.766 50
IV.CAFI.HHN. 2010-05-12T02:27:48.45 0.3 undecidable manual Pg 285 115.6953 0.601 53
IV.LNSS.HHE. 2010-05-12T02:27:47.15 0.6 undecidable manual Sg 206 57.9975 0.408 43
IV.T0106.EHE. 2010-05-12T02:27:47.13 10.0 undecidable manual Sg 0 0 0
IV.CAMP.HHE. 2010-05-12T02:27:47.68 0.6 undecidable manual Sg 176 59.6958 0.478 43
IV.PARC.HHN. 2010-05-12T02:27:46.94 0.3 undecidable manual Pg 306 110.2119 -0.08 63
IV.TERO.HHN. 2010-05-12T02:27:46.81 0.6 undecidable manual Sg 158 53.9016 1.12 34
IV.BADI.EHZ. 2010-05-12T02:27:45.84 0.3 undecidable manual Pg 299 101.8203 0.118 62
IV.MGAB.HHZ. 2010-05-12T02:27:45.77 0.3 undecidable manual Pg 260 102.2199 -0.016 64
IV.MURB.HHZ. 2010-05-12T02:27:45.06 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2010-05-12T02:27:44.30 0.3 undecidable manual Pg 216 93.8394 -0.204 63
IV.SMA1.EHZ. 2010-05-12T02:27:44.50 0.3 undecidable manual Sg 182 49.0176 0.07 71
IV.VCEL.EHZ. 2010-05-12T02:27:43.60 0.3 undecidable manual Pg 152 85.0482 0.432 62
IV.T0106.EHE. 2010-05-12T02:27:43.27 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHE. 2010-05-12T02:27:43.97 0.3 undecidable manual Pg 192 91.242 -0.146 63
IV.ATPI.EHZ. 2010-05-12T02:27:43.41 0.3 undecidable manual Pg 299 87.4458 -0.125 65
IV.FAGN.HHZ. 2010-05-12T02:27:43.89 0.3 undecidable manual Pg 168 91.4418 -0.254 61
IV.T0104.HHZ. 2010-05-12T02:27:42.18 0.6 undecidable manual Pg 181 79.0653 -0.07 44
IV.ATVO.HHN. 2010-05-12T02:27:42.84 0.3 undecidable manual Pg 295 83.8494 -0.135 66
IV.PIEI.HHZ. 2010-05-12T02:27:42.56 0.1 undecidable manual Pg 308 83.6496 -0.388 83
IV.FSSB.SHZ. 2010-05-12T02:27:42.70 0.6 undecidable manual Pg 326 83.0502 -0.152 43
IV.CESX.HHN. 2010-05-12T02:27:42.30 0.6 undecidable manual Pg 231 81.1521 -0.264 42
IV.CING.HHE. 2010-05-12T02:27:41.25 0.3 undecidable manual Sg 339 35.9418 0.151 70
IV.CESI.HHZ. 2010-05-12T02:27:41.69 0.6 undecidable manual Sg 258 37.0296 0.306 45
IV.ATFO.HHE. 2010-05-12T02:27:41.21 0.3 undecidable manual Pg 298 71.0733 0.178 65
IV.NRCA.HHZ. 2010-05-12T02:27:40.32 0.3 undecidable manual Sg 216 32.8449 -0.011 73
IV.T0107.HLZ. 2010-05-12T02:27:40.35 0.3 undecidable manual Pg 187 67.0773 -0.08 67
IV.CAMP.HHE. 2010-05-12T02:27:39.08 0.3 undecidable manual Pg 176 59.6958 -0.233 66
IV.TERO.HHN. 2010-05-12T02:27:38.10 0.3 undecidable manual Pg 158 53.9016 -0.34 65
IV.AOI.HHE. 2010-05-12T02:27:38.75 0.3 undecidable manual Pg 21 56.6988 -0.106 68
IV.LNSS.HHE. 2010-05-12T02:27:38.68 0.3 undecidable manual Pg 206 57.9975 -0.368 65
IV.ARVD.HHZ. 2010-05-12T02:27:38.74 0.1 positive manual Pg 325 57.6978 -0.269 89
IV.FDMO.HHZ. 2010-05-12T02:27:37.56 0.3 undecidable manual Sg 260 21.867 -0.236 72
IV.SMA1.EHZ. 2010-05-12T02:27:37.28 0.1 undecidable manual Pg 182 49.0176 -0.432 86
IV.GUMA.HHZ. 2010-05-12T02:27:35.05 0.3 undecidable manual Sg 232 1.7982 0.045 77
IV.CESI.HHZ. 2010-05-12T02:27:35.76 0.1 negative manual Pg 258 37.0296 -0.194 94
IV.OFFI.HHZ. 2010-05-12T02:27:35.80 0.3 undecidable manual Pg 119 31.0467 0.702 64
IV.NRCA.HHZ. 2010-05-12T02:27:35.10 0.1 negative manual Pg 216 32.8449 -0.247 93
IV.CING.HHE. 2010-05-12T02:27:35.51 0.1 undecidable manual Pg 339 35.9418 -0.28 92
IV.FDMO.HHZ. 2010-05-12T02:27:33.59 0.1 negative manual Pg 260 21.867 -0.293 94
IV.CDCA.EHE. 2010-05-12T02:27:33.56 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2010-05-12T02:27:32.15 0.1 positive manual Pg 232 1.7982 -0.12 100
IV.MA9.HHZ. 2010-05-12T02:27:11.25 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHN. 2010-05-12T02:26:42.34 10.0 undecidable manual Pg 0 0 0
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