Earthquake with magnitude of ML 0.4 on date 21-05-2012 and time 06:32:32 (Italy) in region 5 km S Mercatello sul Metauro (PU)

A magnitude ML 0.4 earthquake occured in region: 5 km S Mercatello sul Metauro (PU), on

  • 21-05-2012 04:32:32 (UTC)
  • 21-05-2012 06:32:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6010, 12.3260 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
Mercatello sul Metauro PU 5 1378 1378
Borgo Pace PU 7 606 1984
Apecchio PU 9 1882 3866
Sant'Angelo in Vado PU 10 4133 7999
Sestino AR 12 1355 9354
San Giustino PG 13 11297 20651
Belforte all'Isauro PU 14 769 21420
Piobbico PU 15 2029 23449
Sansepolcro AR 15 15884 39333
Piandimeleto PU 16 2167 41500
Badia Tedalda AR 16 1087 42587
CittĂ  di Castello PG 17 39913 82500
Lunano PU 17 1527 84027
Peglio PU 17 696 84723
Urbania PU 18 7099 91822
Frontino PU 19 293 92115
Pietralunga PG 20 2111 94226

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Arezzo (99543 inhabitants)
55 Km SW of Rimini (147750 inhabitants)
55 Km N of Perugia (166134 inhabitants)
59 Km SW of Pesaro (94582 inhabitants)
60 Km S of Cesena (96758 inhabitants)
62 Km W of Fano (60888 inhabitants)
73 Km SE of Forlì (117913 inhabitants)
78 Km NW of Foligno (57155 inhabitants)
84 Km SE of Faenza (58541 inhabitants)
86 Km E of Siena (53903 inhabitants)
88 Km E of Firenze (382808 inhabitants)
92 Km S of Ravenna (159116 inhabitants)
94 Km E of Scandicci (50609 inhabitants)
96 Km W of Ancona (100861 inhabitants)
97 Km SE of Imola (69797 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
Reviewed
Rev100
ML 0.4 2012-05-21
04:32:32
43.5993 12.3203 9 2014-10-21
12:19:34
Sala Sismica INGV-Roma 1343191
Bulletin
Rev1000
ML 0.4 2012-05-21
04:32:32
43.6007 12.326 10 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2668321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-05-21 04:32:32 ± 0.18
Latitude 43.6007 ± 0.0036
Longitude 12.3260 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2668321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.22573
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:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 0
Type of magnitude ML
Reference to an origin 1343191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-05-21 04:39:06

ML:0.4

Field Value
Value 0.4
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 2668321
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:42:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2012-05-21T04:32:42.20 0.3 undecidable manual S 165 25.0527 111 0.01 73
IV.ATBU.EHZ. 2012-05-21T04:32:41.72 0.1 undecidable manual S 128 22.6551 113 0.33 92
IV.NARO.HHZ. 2012-05-21T04:32:40.62 0.1 undecidable manual S 87 20.4684 115 -0.09 97
IV.PIEI.HHZ. 2012-05-21T04:32:39.80 0.1 undecidable manual S 113 18.2706 118 -0.23 95
IV.ATPI.EHZ. 2012-05-21T04:32:39.78 0.1 undecidable manual S 160 17.7711 118 -0.08 98
IV.ATPC.HHZ. 2012-05-21T04:32:39.85 0.3 undecidable manual S 142 16.9719 119 0.22 71
IV.ATVO.HHZ. 2012-05-21T04:32:38.11 0.1 undecidable manual P 165 25.0527 111 -0.14 95
IV.BADI.EHZ. 2012-05-21T04:32:38.08 0.1 undecidable manual S 213 12.0768 128 -0.12 98
IV.NARO.HHZ. 2012-05-21T04:32:37.28 1.0 negative manual P 87 20.4684 115 -0.12 24
IV.ATBU.EHZ. 2012-05-21T04:32:37.99 1.0 positive manual P 128 22.6551 113 0.2 24
IV.PARC.HHZ. 2012-05-21T04:32:37.41 0.1 undecidable manual S 307 8.7801 137 0.04 100
IV.ATPC.HHZ. 2012-05-21T04:32:36.81 0.6 negative manual P 142 16.9719 119 0.04 49
IV.PIEI.HHZ. 2012-05-21T04:32:36.92 0.6 positive manual P 113 18.2706 118 -0.08 49
IV.ATPI.EHZ. 2012-05-21T04:32:36.93 1.0 undecidable manual P 160 17.7711 118 0.03 25
IV.BADI.EHZ. 2012-05-21T04:32:35.98 0.1 positive manual P 213 12.0768 128 0.03 100
IV.PARC.HHZ. 2012-05-21T04:32:35.66 0.6 undecidable manual P 307 8.7801 137 0.19 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHE. ML:0.4 0.000031049999999999996 1.42 AML other m 2012-05-21T04:32:39.52
IV.PARC.HHN. ML:0.4 0.000032600000000000006 0.54 AML other m 2012-05-21T04:32:39.76
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