Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-12-2010 and time 12:53:49 (UTC) in region 3 km SW Montereale (AQ)

A magnitude ML 1.5 earthquake occured in region: 3 km SW Montereale (AQ), on

  • 28-12-2010 12:53:49 (UTC)
  • 28-12-2010 13:53:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5040, 13.2170 at 11 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
Montereale AQ 3 2581 2581
Cagnano Amiterno AQ 5 1369 3950
Borbona RI 7 617 4567
Capitignano AQ 7 665 5232
Barete AQ 8 737 5969
Pizzoli AQ 10 4326 10295
Posta RI 10 694 10989
Cittareale RI 14 482 11471
Campotosto AQ 14 542 12013
Micigliano RI 14 127 12140
Antrodoco RI 15 2588 14728
Scoppito AQ 15 3727 18455
Amatrice RI 15 2657 21112
Borgo Velino RI 17 972 22084
Castel Sant'Angelo RI 19 1308 23392

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
80 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
95 Km SE of Perugia (166134 inhabitants)
98 Km NE of Velletri (53303 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 1.7
ML 1.5 		2010-12-28
12:53:49		 42.504 13.217 11 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1154519
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-28 12:53:49 ± 0.15
Latitude 42.5040 ± 0.0090
Longitude 13.2170 ± 0.0122
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1154519

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 943
Semi-minor axis of confidence ellipse (meter) 904
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 1414.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1154519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:27:53

Md:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 1154519
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:27:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.AGOR.HHE. 2010-12-28T12:54:07.86 10.0 undecidable manual Pg 0 0 0
IV.NOVE.EHZ. 2010-12-28T12:54:03.83 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHN. 2010-12-28T12:54:02.07 0.3 undecidable manual Sg 347 37.5291 -0.45 66
IV.FIAM.HHN. 2010-12-28T12:53:59.70 0.3 undecidable manual Sg 197 27.4503 -0.137 72
IV.NRCA.HHN. 2010-12-28T12:53:57.96 0.3 undecidable manual Pg 347 37.5291 0.753 59
IV.CAMP.HHZ. 2010-12-28T12:53:56.54 0.1 undecidable manual Sg 77 16.0728 -0.102 99
IV.SMA1.EHN. 2010-12-28T12:53:56.85 0.3 undecidable manual Sg 35 17.0718 -0.061 74
IV.LNSS.HHN. 2010-12-28T12:53:56.80 0.3 undecidable manual Sg 307 18.0708 -0.425 69
IV.FIAM.HHN. 2010-12-28T12:53:55.60 0.3 undecidable manual Pg 197 27.4503 -0.056 73
IV.LNSS.HHN. 2010-12-28T12:53:54.69 0.3 undecidable manual Pg 307 18.0708 0.541 67
IV.SMA1.EHN. 2010-12-28T12:53:54.06 0.1 undecidable manual Pg 35 17.0718 0.089 99
IV.CAMP.HHZ. 2010-12-28T12:53:53.78 0.1 undecidable manual Pg 77 16.0728 -0.031 100
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