Earthquake with magnitude of ML 2.0 on date 20-12-2010 and time 03:08:19 (Italy) in region 1 km NE Gualdo (MC)

A magnitude ML 2.0 earthquake occured in region: 1 km NE Gualdo (MC), on

  • 20-12-2010 02:08:19 (UTC)
  • 20-12-2010 03:08:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0710, 13.3450 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.

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
San Ginesio MC 5 3498 4313
Sarnano MC 5 3264 7577
Sant'Angelo in Pontano MC 5 1436 9013
Penna San Giovanni MC 7 1108 10121
Cessapalombo MC 8 512 10633
Ripe San Ginesio MC 8 852 11485
Monte San Martino MC 9 765 12250
Camporotondo di Fiastrone MC 9 563 12813
Amandola FM 10 3629 16442
Colmurano MC 11 1263 17705
Smerillo FM 11 365 18070
Falerone FM 11 3337 21407
Servigliano FM 12 2336 23743
Caldarola MC 12 1823 25566
Loro Piceno MC 12 2401 27967
Montappone FM 13 1682 29649
Bolognola MC 13 142 29791
Monte Vidon Corrado FM 13 731 30522
Montefalcone Appennino FM 13 424 30946
Belforte del Chienti MC 14 1886 32832
Santa Vittoria in Matenano FM 14 1330 34162
Comunanza AP 14 3166 37328
Massa Fermana FM 14 963 38291
Montefortino FM 14 1178 39469
Urbisaglia MC 14 2628 42097
Acquacanina MC 15 121 42218
Monteleone di Fermo FM 15 395 42613
Fiastra MC 16 559 43172
Belmonte Piceno FM 16 646 43818
Tolentino MC 16 20069 63887
Montelparo FM 17 778 64665
Force AP 17 1354 66019
Mogliano MC 17 4696 70715
Montegiorgio FM 17 6851 77566
Monsampietro Morico FM 17 659 78225
Serrapetrona MC 17 966 79191
Montemonaco AP 19 604 79795
Petriolo MC 20 1998 81793
Montottone FM 20 979 82772
Monte Rinaldo FM 20 379 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)
80 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 1.9
ML 2.0
2010-12-20
02:08:19
43.071 13.345 24 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1152489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-20 02:08:19 ± 0.18
Latitude 43.0710 ± 0.0045
Longitude 13.3450 ± 0.0111
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1152489

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 706
Semi-minor axis of confidence ellipse (meter) 499
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 1029.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63402
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1152489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:12

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1152489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHN. 2010-12-20T02:08:41.65 0.1 undecidable manual Sg 315 70.374 0.494 80
IV.SSFR.HHN. 2010-12-20T02:08:39.29 0.3 undecidable manual Sg 312 60.8946 0.598 59
IV.SMA1.EHE. 2010-12-20T02:08:36.03 0.3 undecidable manual Sg 181 48.9177 0.41 64
IV.SNTG.HHN. 2010-12-20T02:08:32.85 0.3 undecidable manual Sg 302 38.5281 -0.217 68
IV.CESI.HHZ. 2010-12-20T02:08:32.54 0.1 undecidable manual Sg 259 36.4413 -0.02 94
IV.NRCA.HHE. 2010-12-20T02:08:31.73 0.1 undecidable manual Sg 216 32.3454 0.143 92
IV.FRON.EHN. 2010-12-20T02:08:31.85 0.1 undecidable manual Pg 315 70.374 -0.163 86
IV.SSFR.HHN. 2010-12-20T02:08:30.40 0.1 undecidable manual Pg 312 60.8946 -0.191 87
IV.AOI.HHZ. 2010-12-20T02:08:30.20 0.1 undecidable manual Pg 21 56.9985 0.183 88
IV.SMA1.EHE. 2010-12-20T02:08:28.70 0.1 undecidable manual Pg 181 48.9177 -0.117 91
IV.SNTG.HHN. 2010-12-20T02:08:27.02 0.1 undecidable manual Pg 302 38.5281 -0.323 88
IV.CESI.HHZ. 2010-12-20T02:08:26.87 0.1 undecidable manual Pg 259 36.4413 -0.181 91
IV.GUMA.HHN. 2010-12-20T02:08:26.81 0.1 undecidable manual Sg 221 1.1988 -0.009 100
IV.NRCA.HHE. 2010-12-20T02:08:26.36 0.1 undecidable manual Pg 216 32.3454 -0.129 93
IV.GUMA.HHN. 2010-12-20T02:08:23.63 0.1 undecidable manual Pg 221 1.1988 -0.106 98
IV.PESA.HHE. 2010-12-20T02:08:11.80 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2010-12-20T02:08:09.42 10.0 undecidable manual Sg 0 0 0
IV.STR4.BHE. 2010-12-20T02:08:08.03 10.0 undecidable manual Sg 0 0 0
IV.STR3.BHZ. 2010-12-20T02:08:05.05 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHE. 2010-12-20T02:08:01.98 10.0 undecidable manual Pg 0 0 0
IV.PE9.EHZ. 2010-12-20T02:08:00.15 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