Earthquake with magnitude of ML 1.9 on date 21-01-2014 and time 09:23:42 (UTC) in region 2 km SE Bisegna (AQ)

A magnitude ML 1.9 earthquake occured in region: 2 km SE Bisegna (AQ), on

  • 21-01-2014 09:23:42 (UTC)
  • 21-01-2014 10:23:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9100, 13.7770 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
Bisegna AQ 2 223 223
Villalago AQ 6 568 791
Lecce nei Marsi AQ 8 1702 2493
Gioia dei Marsi AQ 9 1989 4482
Scanno AQ 9 1847 6329
Anversa degli Abruzzi AQ 10 341 6670
Ortona dei Marsi AQ 11 542 7212
Pescasseroli AQ 11 2203 9415
Ortucchio AQ 12 1860 11275
Villavallelonga AQ 13 919 12194
Cocullo AQ 14 230 12424
Bugnara AQ 14 1125 13549
Introdacqua AQ 15 2126 15675
Opi AQ 15 420 16095
Collelongo AQ 16 1233 17328
Pescina AQ 16 4133 21461
San Benedetto dei Marsi AQ 17 3909 25370
Pettorano sul Gizio AQ 17 1376 26746
Rocca Pia AQ 17 178 26924
Prezza AQ 17 945 27869
Goriano Sicoli AQ 19 569 28438
Villetta Barrea AQ 19 653 29091
Sulmona AQ 20 24557 53648

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km SE of L'Aquila (69753 inhabitants)
59 Km SW of Chieti (51815 inhabitants)
72 Km SW of Pescara (121014 inhabitants)
74 Km SW of Montesilvano (53738 inhabitants)
81 Km E of Tivoli (56533 inhabitants)
84 Km S of Teramo (54892 inhabitants)
86 Km E of Velletri (53303 inhabitants)
87 Km E of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Latina (125985 inhabitants)
100 Km E of Aprilia (73446 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 1.6
ML 1.9
2014-01-21
09:23:42
41.9098 13.7773 22 2015-09-21
09:33:08
Bollettino Sismico Italiano INGV 8543991
Reviewed
Rev100
Md 1.6
ML 1.8
2014-01-21
09:23:41
41.9288 13.7482 23 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5326651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-01-21 09:23:42 ± 0.26
Latitude 41.9098 ± 0.0063
Longitude 13.7773 ± 0.0085
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8543991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 696
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.12141
Epicentral distance of station farthest from the epicenter (degree) 0.59265
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 8543991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-06-20 09:18:13

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 5326651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-01-21 09:29:31

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 2
Type of magnitude Md
Reference to an origin 8543991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-06-20 09:18:13

Md:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 2
Type of magnitude Md
Reference to an origin 5326651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-01-21 09:29:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHE. 2014-01-21T09:24:00.69 0.3 undecidable manual S 228 58.2972 103 0.3 66
IV.VCEL.EHE. 2014-01-21T09:24:00.05 0.3 undecidable manual S 6 54.0015 104 0.75 60
IV.MIDA.HHE. 2014-01-21T09:23:58.46 0.3 undecidable manual S 127 49.4172 106 0.36 67
IV.CERA.HHZ. 2014-01-21T09:23:56.13 0.3 undecidable manual S 150 39.9267 110 0.43 67
IV.LPEL.HHZ. 2014-01-21T09:23:54.85 0.3 undecidable manual S 65 36.741 112 -0.06 73
IV.CERT.HHE. 2014-01-21T09:23:54.18 0.1 undecidable manual P 274 65.7897 101 0.39 86
IV.VCEL.EHE. 2014-01-21T09:23:52.00 0.1 undecidable manual P 6 54.0015 104 -0.01 95
IV.GIUL.HHE. 2014-01-21T09:23:52.42 0.1 undecidable manual P 228 58.2972 103 -0.23 92
IV.MIDA.HHE. 2014-01-21T09:23:51.29 0.1 positive manual P 127 49.4172 106 -0.03 96
IV.INTR.HHZ. 2014-01-21T09:23:50.13 0.3 undecidable manual S 43 15.3735 139 -0.08 76
IV.LPEL.HHZ. 2014-01-21T09:23:49.18 0.1 undecidable manual P 65 36.741 112 -0.3 93
IV.VVLD.HHZ. 2014-01-21T09:23:49.47 0.3 undecidable manual S 251 13.4754 144 -0.42 72
IV.CERA.HHZ. 2014-01-21T09:23:49.72 0.1 undecidable manual P 150 39.9267 110 -0.22 95
IV.INTR.HHZ. 2014-01-21T09:23:46.63 0.1 negative manual P 43 15.3735 139 -0.14 100
IV.VVLD.HHZ. 2014-01-21T09:23:46.39 0.1 negative manual P 251 13.4754 144 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHE. ML:1.9 0.0005405 0.8 AML other m 2014-01-21T09:23:50.31
IV.INTR.HHN. ML:2.2 0.0009965 0.82 AML other m 2014-01-21T09:23:50.48
IV.VVLD.HHN. ML:1.9 0.000453 0.7 AML other m 2014-01-21T09:23:49.79
IV.VVLD.HHE. ML:1.6 0.000249 0.26 AML other m 2014-01-21T09:23:51.01
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