Earthquake with magnitude of ML 2.0 on date 23-01-2011 and time 12:06:45 (Italy) in region 2 km E Gualdo (MC)

A magnitude ML 2.0 earthquake occured in region: 2 km E Gualdo (MC), on

  • 23-01-2011 11:06:45 (UTC)
  • 23-01-2011 12:06:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0690, 13.3670 at 22 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.

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 2 815 815
Sant'Angelo in Pontano MC 4 1436 2251
Penna San Giovanni MC 5 1108 3359
San Ginesio MC 6 3498 6857
Sarnano MC 6 3264 10121
Monte San Martino MC 7 765 10886
Ripe San Ginesio MC 8 852 11738
Smerillo FM 10 365 12103
Falerone FM 10 3337 15440
Amandola FM 10 3629 19069
Cessapalombo MC 10 512 19581
Servigliano FM 10 2336 21917
Colmurano MC 11 1263 23180
Camporotondo di Fiastrone MC 11 563 23743
Monte Vidon Corrado FM 11 731 24474
Montappone FM 11 1682 26156
Loro Piceno MC 12 2401 28557
Montefalcone Appennino FM 12 424 28981
Santa Vittoria in Matenano FM 12 1330 30311
Massa Fermana FM 13 963 31274
Comunanza AP 13 3166 34440
Monteleone di Fermo FM 13 395 34835
Caldarola MC 14 1823 36658
Bolognola MC 14 142 36800
Montefortino FM 14 1178 37978
Belmonte Piceno FM 14 646 38624
Urbisaglia MC 14 2628 41252
Montelparo FM 15 778 42030
Belforte del Chienti MC 15 1886 43916
Monsampietro Morico FM 15 659 44575
Force AP 16 1354 45929
Montegiorgio FM 16 6851 52780
Mogliano MC 16 4696 57476
Acquacanina MC 16 121 57597
Tolentino MC 17 20069 77666
Fiastra MC 17 559 78225
Montottone FM 18 979 79204
Monte Rinaldo FM 18 379 79583
Petriolo MC 19 1998 81581
Serrapetrona MC 19 966 82547
Montemonaco AP 19 604 83151
Magliano di Tenna FM 20 1452 84603
Francavilla d'Ete FM 20 964 85567
Grottazzolina FM 20 3398 88965

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Teramo (54892 inhabitants)
55 Km E of Foligno (57155 inhabitants)
62 Km S of Ancona (100861 inhabitants)
80 Km E of Perugia (166134 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
81 Km NE of Terni (111501 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
91 Km SE of Fano (60888 inhabitants)
96 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
Md 1.8
ML 2.0
2011-01-23
11:06:45
43.069 13.367 23 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1164729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-23 11:06:45 ± 0.28
Latitude 43.0690 ± 0.0090
Longitude 13.3670 ± 0.0259
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1164729

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2119
Semi-minor axis of confidence ellipse (meter) 553
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 2325.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76352
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1164729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:41:25

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1164729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:41:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHZ. 2011-01-23T11:07:11.26 0.3 undecidable manual Sg 326 83.9493 0.806 53
IV.PIEI.HHE. 2011-01-23T11:07:10.86 0.3 undecidable manual Sg 308 84.7485 0.19 63
IV.MURB.HHN. 2011-01-23T11:07:07.73 0.3 undecidable manual Sg 288 71.4729 0.562 58
IV.LNSS.HHE. 2011-01-23T11:07:04.17 0.3 undecidable manual Sg 207 58.1973 0.476 61
IV.SMA1.EHN. 2011-01-23T11:07:01.50 0.3 undecidable manual Sg 183 48.7179 0.228 66
NI.SABO.HHZ. 2011-01-23T11:07:01.05 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHZ. 2011-01-23T11:07:00.07 0.3 undecidable manual Pg 326 83.9493 0.231 63
IV.FIU.EHZ. 2011-01-23T11:07:00.50 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2011-01-23T11:06:59.35 0.3 undecidable manual Pg 308 84.7485 -0.611 56
IV.SNTG.HHE. 2011-01-23T11:06:58.88 0.3 undecidable manual Sg 301 40.2264 -0.245 68
IV.NRCA.HHZ. 2011-01-23T11:06:57.20 0.3 undecidable manual Sg 218 33.2445 -0.226 69
IV.MURB.HHN. 2011-01-23T11:06:57.58 0.3 undecidable manual Pg 288 71.4729 -0.363 62
IV.LNSS.HHE. 2011-01-23T11:06:55.68 0.3 undecidable manual Pg 207 58.1973 -0.257 65
IV.SMA1.EHN. 2011-01-23T11:06:54.35 0.3 undecidable manual Pg 183 48.7179 -0.185 67
IV.NRCA.HHZ. 2011-01-23T11:06:52.06 0.3 undecidable manual Pg 218 33.2445 -0.257 68
IV.SNTG.HHE. 2011-01-23T11:06:52.84 0.3 undecidable manual Pg 301 40.2264 -0.457 64
IV.GUMA.HHZ. 2011-01-23T11:06:52.27 0.1 undecidable manual Sg 255 2.6973 -0.01 100
IV.GUMA.HHZ. 2011-01-23T11:06:49.46 0.1 undecidable manual Pg 255 2.6973 0.116 98
IV.CAFE.HHE. 2011-01-23T11:06:33.74 10.0 undecidable manual Pg 0 0 0
IV.ZCCA.HHZ. 2011-01-23T11:06:29.20 10.0 undecidable manual Pg 0 0 0
IV.MRB1.HHN. 2011-01-23T11:06:19.34 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
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