Earthquake with magnitude of ML 1.4 on date 21-03-2013 and time 08:33:33 (Italy) in region 4 km W Frontone (PU)

A magnitude ML 1.4 earthquake occured in region: 4 km W Frontone (PU), on

  • 21-03-2013 07:33:33 (UTC)
  • 21-03-2013 08:33:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5080, 12.6960 at 18 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
Frontone PU 4 1300 1300
Cagli PU 6 8731 10031
Serra Sant'Abbondio PU 6 1027 11058
Cantiano PU 7 2245 13303
Scheggia e Pascelupo PG 12 1393 14696
Acqualagna PU 12 4393 19089
Pergola PU 13 6333 25422
Sassoferrato AN 15 7285 32707
Costacciaro PG 17 1216 33923
Piobbico PU 18 2029 35952
Fermignano PU 19 8596 44548
Gubbio PG 20 32216 76764
Arcevia AN 20 4612 81376
Sigillo PG 20 2404 83780

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Fano (60888 inhabitants)
48 Km SW of Pesaro (94582 inhabitants)
51 Km NE of Perugia (166134 inhabitants)
61 Km N of Foligno (57155 inhabitants)
62 Km S of Rimini (147750 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
68 Km W of Ancona (100861 inhabitants)
79 Km SE of Cesena (96758 inhabitants)
95 Km SE of Forlì (117913 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 2013-03-21
07:33:33
43.5082 12.6963 18 2015-01-20
11:23:58
Bollettino Sismico Italiano INGV 5178011
Reviewed
Rev100
ML 1.4 2013-03-21
07:33:33
43.5098 12.6983 17 2014-10-21
12:08:56
Sala Sismica INGV-Roma 3083091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-03-21 07:33:33 ± 0.17
Latitude 43.5082 ± 0.0054
Longitude 12.6963 ± 0.0062
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5178011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.30937
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:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 3083091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-03-21 07:37:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 5178011
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:06:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2013-03-21T07:33:45.35 0.6 undecidable manual S 145 34.3434 108 0.38 45
IV.FSSB.HHZ. 2013-03-21T07:33:42.04 0.1 undecidable manual S 18 21.5673 121 0.19 95
IV.FOSV.EHZ. 2013-03-21T07:33:42.33 0.6 undecidable manual S 168 24.2535 117 -0.15 48
IV.ARVD.HHZ. 2013-03-21T07:33:41.47 0.1 undecidable manual S 93 19.7691 124 0.02 99
IV.ATPC.HHZ. 2013-03-21T07:33:41.58 0.3 undecidable manual S 261 19.4694 124 0.19 72
IV.ATBU.EHZ. 2013-03-21T07:33:40.32 0.1 undecidable manual S 253 12.4764 140 0.34 93
IV.MPAG.EHZ. 2013-03-21T07:33:40.27 0.1 undecidable manual S 21 14.3745 135 -0.06 100
IV.PIEI.HHZ. 2013-03-21T07:33:39.72 0.1 undecidable manual S 283 13.3755 137 -0.42 93
IV.SNTG.HHZ. 2013-03-21T07:33:39.87 0.3 undecidable manual P 145 34.3434 108 -0.07 71
IV.FSSB.HHZ. 2013-03-21T07:33:38.23 0.1 undecidable manual P 18 21.5673 121 0.1 98
IV.FOSV.EHZ. 2013-03-21T07:33:38.35 0.1 undecidable manual P 168 24.2535 117 -0.15 95
IV.ATPC.HHZ. 2013-03-21T07:33:37.88 0.1 undecidable manual P 261 19.4694 124 0.01 100
IV.ATBU.EHZ. 2013-03-21T07:33:37.16 0.1 negative manual P 253 12.4764 140 0.1 99
IV.MPAG.EHZ. 2013-03-21T07:33:37.23 0.1 negative manual P 21 14.3745 135 -0.03 100
IV.ARVD.HHZ. 2013-03-21T07:33:37.83 0.3 undecidable manual P 93 19.7691 124 -0.08 73
IV.PIEI.HHZ. 2013-03-21T07:33:36.92 0.1 negative manual P 283 13.3755 137 -0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPC.HHE. ML:1.2 0.00010544999999999999 0.14 AML other m 2013-03-21T07:33:41.81
IV.ATPC.HHN. ML:1.2 0.00008755 0.12 AML other m 2013-03-21T07:33:42.16
IV.FSSB.HHE. ML:1.7 0.00028500000000000004 0.4 AML other m 2013-03-21T07:33:42.30
IV.FSSB.HHN. ML:1.8 0.000393 0.28 AML other m 2013-03-21T07:33:42.66
IV.PIEI.HHN. ML:1.1 0.00009054999999999999 0.3 AML other m 2013-03-21T07:33:39.73
IV.PIEI.HHE. ML:1.5 0.00021799999999999999 0.26 AML other m 2013-03-21T07:33:40.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download