Earthquake with magnitude of ML 1.4 on date 23-04-2013 and time 17:44:39 (Italy) in region 3 km NW Bedonia (PR)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Bedonia (PR), on

  • 23-04-2013 15:44:39 (UTC)
  • 23-04-2013 17:44:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5300, 9.6160 at 10 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
Bedonia PR 3 3482 3482
Tornolo PR 5 1010 4492
Compiano PR 5 1112 5604
Albareto PR 12 2156 7760
Borgo Val di Taro PR 13 6999 14759
Santo Stefano d'Aveto GE 13 1126 15885
Bardi PR 15 2227 18112
Ferriere PC 16 1294 19406
Varese Ligure SP 17 2059 21465
Rezzoaglio GE 18 995 22460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of La Spezia (93959 inhabitants)
56 Km E of Genova (586655 inhabitants)
58 Km S of Piacenza (102191 inhabitants)
63 Km NW of Carrara (63133 inhabitants)
64 Km W of Parma (192836 inhabitants)
69 Km NW of Massa (69479 inhabitants)
75 Km SW of Cremona (71901 inhabitants)
81 Km SE of Pavia (72576 inhabitants)
83 Km W of Reggio nell'Emilia (171345 inhabitants)
89 Km NW of Viareggio (62467 inhabitants)
90 Km E of Alessandria (93943 inhabitants)
93 Km E of Savona (61345 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
ML 1.4 2013-04-23
15:44:39
44.5302 9.6158 10 2015-01-20
11:25:34
Bollettino Sismico Italiano INGV 5453981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-04-23 15:44:39 ± 0.09
Latitude 44.5302 ± 0.0054
Longitude 9.6158 ± 0.0088
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5453981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.22483
Epicentral distance of station farthest from the epicenter (degree) 0.76262
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 5453981
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2013-04-23T15:44:57.40 0.6 undecidable manual S 160 56.499 50 -0.25 45
GU.PCP.HHZ. 2013-04-23T15:44:55.34 0.6 undecidable manual P 271 84.6486 50 0.86 35
GU.GRAM.HHE. 2013-04-23T15:44:52.22 0.6 undecidable manual S 97 35.8419 50 0.09 48
IV.BOB.HHE. 2013-04-23T15:44:50.33 0.3 undecidable manual S 333 29.5482 50 -0.11 73
IV.PLMA.HHZ. 2013-04-23T15:44:50.32 0.1 undecidable manual P 160 56.499 50 0.17 91
IV.MSSA.HHZ. 2013-04-23T15:44:49.10 0.3 undecidable manual S 198 24.9528 50 -0.12 73
GU.GORR.HHZ. 2013-04-23T15:44:49.50 0.6 undecidable manual S 289 26.9508 50 -0.24 47
GU.GRAM.HHE. 2013-04-23T15:44:46.77 0.6 undecidable manual P 97 35.8419 50 -0.19 47
IV.MSSA.HHZ. 2013-04-23T15:44:45.28 0.1 positive manual P 198 24.9528 50 0 100
IV.BOB.HHE. 2013-04-23T15:44:45.99 0.1 undecidable manual P 333 29.5482 50 0 99
GU.GORR.HHZ. 2013-04-23T15:44:45.55 0.1 undecidable manual P 289 26.9508 50 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSSA.HHN. ML:1.4 0.00014500000000000003 0.36 AML other m 2013-04-23T15:44:49.66
IV.MSSA.HHE. ML:1.3 0.00012555 0.76 AML other m 2013-04-23T15:44:49.26
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