Earthquake with magnitude of Md 1.2 on date 11-08-2015 and time 11:11:39 (UTC) in region 4 km NW Treia (MC)

A magnitude Md 1.2 earthquake occured in region: 4 km NW Treia (MC), on

  • 11-08-2015 11:11:39 (UTC)
  • 11-08-2015 13:11:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.34, 13.28 at 22 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Treia MC 4 9403 9403
Appignano MC 6 4213 13616
Cingoli MC 6 10352 23968
Pollenza MC 10 6618 30586
Filottrano AN 13 9499 40085
Staffolo AN 13 2253 42338
Apiro MC 13 2280 44618
Montecassiano MC 13 7125 51743
Tolentino MC 14 20069 71812
San Severino Marche MC 14 12726 84538
Macerata MC 15 42473 127011
San Paolo di Jesi AN 16 933 127944
Montefano MC 16 3541 131485
Poggio San Vicino MC 17 246 131731
Urbisaglia MC 18 2628 134359
Cupramontana AN 18 4756 139115
Santa Maria Nuova AN 18 4179 143294
Serrapetrona MC 19 966 144260
Belforte del Chienti MC 19 1886 146146
Monte Roberto AN 20 3061 149207
Castelbellino AN 20 4947 154154
Petriolo MC 20 1998 156152

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Ancona (100861 inhabitants)
60 Km SE of Fano (60888 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
70 Km SE of Pesaro (94582 inhabitants)
76 Km E of Perugia (166134 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
99 Km SE of Rimini (147750 inhabitants)
100 Km NE of Terni (111501 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
Rev 100 Md 1.2 2015-08-11
11:11:39
43.34 13.28 22 2015-08-11
11:25:28
Sala Sismica INGV-Roma 20842031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-11 11:11:39 ± 0.1
Latitude 43.34 ± 0.00
Longitude 13.28 ± 0.01
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 20842031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 554
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 550
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 20842031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-11 11:25:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2015-08-11T11:11:51.98 0.6 undecidable manual S 205 0.331 113 -0.08 48
IV.SNTG.HHZ. 2015-08-11T11:11:50.19 0.6 undecidable manual S 252 0.2581 120 0.05 48
IV.CSP1.EHZ. 2015-08-11T11:11:50.03 0.6 undecidable manual S 192 0.2509 121 0.09 48
IV.EL6.EHZ. 2015-08-11T11:11:47.21 0.6 undecidable manual S 267 0.1277 143 0 50
IV.CING.HHZ. 2015-08-11T11:11:46.20 0.3 undecidable manual S 303 0.071 158 -0.17 74
IV.FDMO.HHZ. 2015-08-11T11:11:46.54 0.1 undecidable manual P 205 0.331 113 -0.07 95
IV.CSP1.EHZ. 2015-08-11T11:11:45.44 0.1 undecidable manual P 192 0.2509 121 0.05 97
IV.SNTG.HHZ. 2015-08-11T11:11:45.49 0.1 undecidable manual P 252 0.2581 120 -0.01 98
IV.EL6.EHZ. 2015-08-11T11:11:43.86 0.1 negative manual P 267 0.1277 143 0.05 99
IV.CING.HHZ. 2015-08-11T11:11:43.40 0.1 negative manual P 303 0.071 158 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHZ. Md:0.9 7 END duration s
IV.EL6.EHZ. Md:1 7 END duration s
IV.CSP1.EHZ. Md:1.3 10 END duration s
IV.SNTG.HHZ. Md:1.4 11 END duration s
IV.FDMO.HHZ. Md:1.3 9 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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