Earthquake with magnitude of ML 0.7 on date 16-04-2017 and time 22:16:10 (Italy) in region 2 km SW Bolognola (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km SW Bolognola (MC), on

  • 16-04-2017 20:16:10 (UTC)
  • 16-04-2017 22:16:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9800, 13.2060 at 3 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
Bolognola MC 2 142 142
Acquacanina MC 6 121 263
Ussita MC 7 444 707
Fiastra MC 8 559 1266
Sarnano MC 10 3264 4530
Castelsantangelo sul Nera MC 10 281 4811
Visso MC 11 1107 5918
Fiordimonte MC 11 202 6120
Montefortino FM 12 1178 7298
Amandola FM 12 3629 10927
Montemonaco AP 13 604 11531
Pievebovigliana MC 14 866 12397
Gualdo MC 15 815 13212
Pieve Torina MC 15 1458 14670
Cessapalombo MC 15 512 15182
Monte Cavallo MC 17 145 15327
San Ginesio MC 17 3498 18825
Comunanza AP 17 3166 21991
Muccia MC 17 915 22906
Preci PG 18 724 23630
Camporotondo di Fiastrone MC 18 563 24193
Caldarola MC 18 1823 26016
Montegallo AP 18 523 26539
Smerillo FM 20 365 26904
Penna San Giovanni MC 20 1108 28012
Monte San Martino MC 20 765 28777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
68 Km E of Perugia (166134 inhabitants)
72 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
97 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
ML 0.7 2017-04-16
20:16:10
42.9798 13.2063 3 2017-04-16
20:41:26
Sala Sismica INGV-Roma 43980031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-16 20:16:10 ± 0.12
Latitude 42.9798 ± 0.0036
Longitude 13.2063 ± 0.0049
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43980031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20594
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 43980031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-16 20:41:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2017-04-16T20:16:24.14 3.0 undecidable manual Sn -0.21 0
IV.T1241.HNE. 2017-04-16T20:16:18.03 0.3 undecidable manual S 127 22.8549 98 -0.16 71
IV.T1216.EHZ. 2017-04-16T20:16:16.62 0.3 undecidable manual S 237 18.1707 100 -0.04 73
IV.T1245.HHZ. 2017-04-16T20:16:15.76 0.3 undecidable manual S 186 13.7751 103 0.52 66
IV.T1241.HNE. 2017-04-16T20:16:14.56 0.3 undecidable manual P 127 22.8549 98 -0.1 72
IV.FDMO.HHZ. 2017-04-16T20:16:14.59 0.1 undecidable manual S 303 11.4774 106 0.08 98
IV.T1245.HHZ. 2017-04-16T20:16:13.04 0.1 undecidable manual P 186 13.7751 103 -0.03 98
IV.GUMA.HHN. 2017-04-16T20:16:13.42 0.1 undecidable manual P 49 13.875 103 0.32 92
IV.MC2.EHZ. 2017-04-16T20:16:13.28 0.1 undecidable manual S 190 7.6812 113 -0.04 99
IV.T1216.EHZ. 2017-04-16T20:16:13.74 0.3 undecidable manual P 237 18.1707 100 -0.09 72
IV.FDMO.HHZ. 2017-04-16T20:16:12.58 0.1 undecidable manual P 303 11.4774 106 -0.1 97
IV.T1256.HHZ. 2017-04-16T20:16:12.12 0.1 undecidable manual S 29 3.2967 134 0.02 100
IV.T1256.HHZ. 2017-04-16T20:16:11.23 0.1 positive manual P 29 3.2967 134 -0.16 97
IV.MC2.EHZ. 2017-04-16T20:16:11.87 0.1 undecidable manual P 190 7.6812 113 -0.18 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1245.HHE. ML:0.6 0.0000572 0.1 AML other m 2017-04-16T20:16:16.24
IV.T1245.HHN. ML:0.7 0.00006105 1.44 AML other m 2017-04-16T20:16:16.98
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