Earthquake with magnitude of ML 1.9 on date 27-12-2010 and time 01:23:13 (Italy) in region 1 km W Borbona (RI)

A magnitude ML 1.9 earthquake occured in region: 1 km W Borbona (RI), on

  • 27-12-2010 00:23:13 (UTC)
  • 27-12-2010 01:23:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5080, 13.1180 at 20 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
Borbona RI 1 617 617
Posta RI 3 694 1311
Micigliano RI 8 127 1438
Cagnano Amiterno AQ 10 1369 2807
Antrodoco RI 10 2588 5395
Montereale AQ 11 2581 7976
Borgo Velino RI 12 972 8948
Cittareale RI 13 482 9430
Leonessa RI 14 2435 11865
Castel Sant'Angelo RI 14 1308 13173
Barete AQ 15 737 13910
Capitignano AQ 15 665 14575
Pizzoli AQ 17 4326 18901
Cantalice RI 18 2755 21656
Scoppito AQ 19 3727 25383
Poggio Bustone RI 19 2055 27438
Cittaducale RI 19 6828 34266
Amatrice RI 20 2657 36923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
39 Km E of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Roma (2864731 inhabitants)
88 Km W of Chieti (51815 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
90 Km W of Pescara (121014 inhabitants)
96 Km N 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 1.9
ML 1.9
2010-12-27
00:23:13
42.508 13.118 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1154189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-27 00:23:13 ± 0.18
Latitude 42.5080 ± 0.0126
Longitude 13.1180 ± 0.0122
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1154189

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1331
Semi-minor axis of confidence ellipse (meter) 925
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 1720.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52880
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1154189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:27:27

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1154189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:27:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.SHZ. 2010-12-27T00:23:32.21 0.3 undecidable manual Sg 157 58.6968 0.31 68
IV.FAGN.HHZ. 2010-12-27T00:23:28.78 0.3 undecidable manual Sg 125 46.7199 0.007 74
IV.NRCA.HHE. 2010-12-27T00:23:26.07 0.3 undecidable manual Sg 360 36.1416 -0.017 76
IV.PTQR.SHZ. 2010-12-27T00:23:23.75 0.3 undecidable manual Pg 157 58.6968 -0.401 68
IV.FAGN.HHZ. 2010-12-27T00:23:22.32 0.3 undecidable manual Pg 125 46.7199 -0.026 74
IV.CMPO.HHE. 2010-12-27T00:23:22.22 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2010-12-27T00:23:20.83 0.1 undecidable manual Pg 360 36.1416 0.035 100
IV.LNSS.HHZ. 2010-12-27T00:23:20.69 0.3 undecidable manual Sg 329 12.2766 -0.118 77
IV.LNSS.HHZ. 2010-12-27T00:23:17.94 0.3 undecidable manual Pg 329 12.2766 0.193 76
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