Earthquake with magnitude of Md 1.0 on date 31-07-2017 and time 07:35:41 (Italy) in region 4 km SE Fiordimonte (MC)

A magnitude Md 1.0 earthquake occured in region: 4 km SE Fiordimonte (MC), on

  • 31-07-2017 05:35:41 (UTC)
  • 31-07-2017 07:35:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0140, 13.1210 at 4 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
Fiordimonte MC 4 202 202
Fiastra MC 4 559 761
Acquacanina MC 5 121 882
Pievebovigliana MC 6 866 1748
Pieve Torina MC 7 1458 3206
Ussita MC 8 444 3650
Bolognola MC 9 142 3792
Visso MC 10 1107 4899
Muccia MC 10 915 5814
Monte Cavallo MC 10 145 5959
Castelsantangelo sul Nera MC 14 281 6240
Camerino MC 14 6974 13214
Sarnano MC 15 3264 16478
Serravalle di Chienti MC 15 1070 17548
Cessapalombo MC 16 512 18060
Preci PG 16 724 18784
Caldarola MC 16 1823 20607
Camporotondo di Fiastrone MC 18 563 21170
Gualdo MC 19 815 21985
Serrapetrona MC 19 966 22951
San Ginesio MC 19 3498 26449
Belforte del Chienti MC 19 1886 28335
Amandola FM 20 3629 31964
Montefortino FM 20 1178 33142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 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
Md 1.0 2017-07-31
05:35:41
43.0143 13.1208 4 2017-07-31
05:42:43
Sala Sismica INGV-Roma 48528961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-07-31 05:35:41 ± 0.14
Latitude 43.0143 ± 0.0036
Longitude 13.1208 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 48528961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18976
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude Md
Reference to an origin 48528961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-07-31 05:42:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF04.EHZ. 2017-07-31T05:36:17.81 3.0 undecidable manual S 0.46 0
IV.APEC.HHZ. 2017-07-31T05:35:54.78 3.0 negative manual P -0.5 0
IV.T1299.EHZ. 2017-07-31T05:35:54.54 3.0 undecidable manual S -0.79 0
IV.PE3.EHZ. 2017-07-31T05:35:53.99 3.0 positive manual P -2.66 0
IV.T1247.HHZ. 2017-07-31T05:35:52.56 3.0 positive manual P 0.3 0
IV.MMO1.EHZ. 2017-07-31T05:35:48.59 0.1 undecidable manual S 127 21.0678 101 -0.16 98
IV.T1245.HNE. 2017-07-31T05:35:47.92 0.3 undecidable manual S 163 18.3705 102 0.08 75
IV.MMO1.EHZ. 2017-07-31T05:35:46.01 1.0 undecidable manual P 127 21.0678 101 0.39 23
IV.T1245.HNE. 2017-07-31T05:35:45.32 0.3 undecidable manual P 163 18.3705 102 0.23 73
IV.T1219.EHZ. 2017-07-31T05:35:45.36 0.3 undecidable manual S 296 10.4784 111 0.15 75
IV.CSP1.EHZ. 2017-07-31T05:35:45.48 0.3 undecidable manual S 38 10.9779 110 0.11 75
IV.T1256.HNZ. 2017-07-31T05:35:44.76 0.3 undecidable manual S 96 8.5803 115 0.16 75
IV.T1219.EHZ. 2017-07-31T05:35:43.50 0.6 negative manual P 296 10.4784 111 -0.07 51
IV.CSP1.EHZ. 2017-07-31T05:35:43.55 0.6 positive manual P 38 10.9779 110 -0.11 50
IV.FDMO.HHZ. 2017-07-31T05:35:43.21 0.3 undecidable manual S 312 3.6963 137 0.02 78
IV.MC2.EHZ. 2017-07-31T05:35:43.83 0.3 undecidable manual P 154 12.6762 107 -0.16 74
IV.T1256.HNZ. 2017-07-31T05:35:43.11 0.3 undecidable manual P 96 8.5803 115 -0.11 76
IV.FDMO.HHZ. 2017-07-31T05:35:42.21 0.1 undecidable manual P 312 3.6963 137 -0.19 100
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