Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 28-02-2010 and time 22:04:33 (UTC) in region 5 km SE Cittareale (RI)

A magnitude ML 2.1 earthquake occured in region: 5 km SE Cittareale (RI), on

  • 28-02-2010 22:04:33 (UTC)
  • 28-02-2010 23:04:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 13.1950 at 9 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
Cittareale RI 5 482 482
Montereale AQ 8 2581 3063
Amatrice RI 9 2657 5720
Borbona RI 9 617 6337
Posta RI 11 694 7031
Capitignano AQ 11 665 7696
Accumoli RI 13 667 8363
Cagnano Amiterno AQ 14 1369 9732
Campotosto AQ 15 542 10274
Barete AQ 16 737 11011
Pizzoli AQ 18 4326 15337
Micigliano RI 19 127 15464
Leonessa RI 19 2435 17899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
85 Km W of Pescara (121014 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
97 Km NE of Roma (2864731 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 2.3
ML 2.1 		2010-02-28
22:04:33		 42.585 13.195 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1016079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-02-28 22:04:33 ± 0.08
Latitude 42.5850 ± 0.0036
Longitude 13.1950 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1016079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1016079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:30:00

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1016079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:30:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHE. 2010-02-28T22:05:05.90 10.0 undecidable manual Sg 0 0 0
IV.SDI.SHZ. 2010-02-28T22:04:56.38 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2010-02-28T22:04:55.50 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2010-02-28T22:04:54.25 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHN. 2010-02-28T22:04:53.31 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2010-02-28T22:04:53.41 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2010-02-28T22:04:51.72 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHE. 2010-02-28T22:04:50.02 0.3 undecidable manual Sg 138 47.619 0.687 59
IV.CESX.HHE. 2010-02-28T22:04:50.16 0.3 undecidable manual Sg 273 50.3163 0.103 69
IV.VVLD.HHZ. 2010-02-28T22:04:50.00 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHN. 2010-02-28T22:04:50.80 0.3 undecidable manual Sg 333 52.2033 0.24 67
IV.FDMO.HHE. 2010-02-28T22:04:49.96 0.3 undecidable manual Sg 350 50.8158 -0.222 67
IV.MNS.HHE. 2010-02-28T22:04:49.61 0.3 undecidable manual Sg 242 47.5191 0.293 67
IV.FIAM.HHZ. 2010-02-28T22:04:46.05 0.3 undecidable manual Sg 190 35.742 -0.126 71
IV.T0401.EHZ. 2010-02-28T22:04:45.92 0.3 undecidable manual Pg 31 62.0934 0.953 51
IV.PTQR.SHZ. 2010-02-28T22:04:45.01 0.3 undecidable manual Pg 165 64.6908 -0.367 64
IV.TERO.HHE. 2010-02-28T22:04:44.90 0.1 undecidable manual Sg 83 33.6441 -0.696 81
IV.FDMO.HHE. 2010-02-28T22:04:43.15 0.3 undecidable manual Pg 350 50.8158 -0.079 69
IV.NRCA.HHZ. 2010-02-28T22:04:43.69 0.1 undecidable manual Sg 347 28.3494 -0.358 91
IV.CESI.HHN. 2010-02-28T22:04:43.42 0.3 undecidable manual Pg 333 52.2033 -0.022 70
IV.CESX.HHE. 2010-02-28T22:04:43.13 0.3 undecidable manual Pg 273 50.3163 -0.02 70
IV.T0104.HHZ. 2010-02-28T22:04:43.68 0.3 undecidable manual Sg 155 27.6501 -0.136 71
IV.MNS.HHE. 2010-02-28T22:04:42.67 0.3 undecidable manual Pg 242 47.5191 -0.055 70
IV.FAGN.HHE. 2010-02-28T22:04:42.90 0.3 undecidable manual Pg 138 47.619 0.159 69
IV.FIAM.HHZ. 2010-02-28T22:04:40.81 0.3 undecidable manual Pg 190 35.742 -0.1 71
IV.CAMP.HHZ. 2010-02-28T22:04:40.67 0.3 undecidable manual Sg 107 18.2706 -0.15 72
IV.TERO.HHE. 2010-02-28T22:04:40.18 0.3 undecidable manual Pg 83 33.6441 -0.399 67
IV.T0104.HHZ. 2010-02-28T22:04:39.44 0.3 undecidable manual Pg 155 27.6501 -0.114 72
IV.SMA1.EHZ. 2010-02-28T22:04:39.43 0.1 undecidable manual Sg 66 12.4764 0.343 94
IV.NRCA.HHZ. 2010-02-28T22:04:39.64 0.1 undecidable manual Pg 347 28.3494 -0.044 97
IV.CAMP.HHZ. 2010-02-28T22:04:38.00 0.3 undecidable manual Pg 107 18.2706 0.177 72
IV.SMA1.EHZ. 2010-02-28T22:04:37.28 0.1 undecidable manual Pg 66 12.4764 0.46 91
IV.RM29.EHZ. 2010-02-28T22:04:36.69 0.3 undecidable manual Sg 168 2.7972 -0.347 71
IV.RM29.EHZ. 2010-02-28T22:04:35.74 0.1 undecidable manual Pg 168 2.7972 0.106 100
IV.PRMA.HHN. 2010-02-28T22:04:31.09 10.0 undecidable manual Pg 0 0 0
IV.LAV9.HHN. 2010-02-28T22:04:26.77 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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