Earthquake with magnitude of ML 1.0 on date 16-02-2009 and time 14:40:25 (Italy) in region 4 km SW Bolognola (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Bolognola (MC), on

  • 16-02-2009 13:40:25 (UTC)
  • 16-02-2009 14:40:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9680, 13.2000 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bolognola MC 4 142 142
Ussita MC 6 444 586
Acquacanina MC 7 121 707
Fiastra MC 8 559 1266
Castelsantangelo sul Nera MC 9 281 1547
Visso MC 10 1107 2654
Sarnano MC 11 3264 5918
Fiordimonte MC 12 202 6120
Montefortino FM 12 1178 7298
Montemonaco AP 13 604 7902
Amandola FM 13 3629 11531
Pievebovigliana MC 14 866 12397
Pieve Torina MC 15 1458 13855
Gualdo MC 16 815 14670
Preci PG 16 724 15394
Monte Cavallo MC 16 145 15539
Cessapalombo MC 17 512 16051
Comunanza AP 18 3166 19217
Montegallo AP 18 523 19740
Muccia MC 18 915 20655
San Ginesio MC 18 3498 24153
Camporotondo di Fiastrone MC 19 563 24716
Caldarola MC 19 1823 26539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
68 Km E of Perugia (166134 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 inhabitants)
100 Km NW of Pescara (121014 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 1.4
ML 1.0
2009-02-16
13:40:25
42.968 13.2 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 744579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-16 13:40:25 ± 0.07
Latitude 42.9680 ± 0.0018
Longitude 13.2000 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 744579

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 422
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 447.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21854
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 744579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:50

Md:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 744579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:04:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2009-02-16T13:40:34.41 0.3 undecidable manual Sg 280 24.2535 0.027 73
IV.NRCA.HHN. 2009-02-16T13:40:32.09 0.3 undecidable manual Sg 205 16.4724 -0.027 74
IV.FDMO.HHZ. 2009-02-16T13:40:30.84 0.3 undecidable manual Sg 310 11.877 -0.002 75
IV.CESI.HHE. 2009-02-16T13:40:30.52 0.1 undecidable manual Pg 280 24.2535 -0.037 97
IV.NRCA.HHN. 2009-02-16T13:40:29.28 0.1 undecidable manual Pg 205 16.4724 0.033 99
IV.FDMO.HHZ. 2009-02-16T13:40:28.51 0.1 undecidable manual Pg 310 11.877 0 100
BA.PZUN.HHN. 2009-02-16T13:40:27.62 10.0 undecidable manual Pg 0 0 0
IV.MSC.EHZ. 2009-02-16T13:40:16.50 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHN. 2009-02-16T13:40:04.73 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHZ. 2009-02-16T13:40:02.98 10.0 undecidable manual Pg 0 0 0
IV.PIPA.HHZ. 2009-02-16T13:39:52.91 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