Earthquake with magnitude of ML 0.8 on date 31-10-2016 and time 14:15:31 (Italy) in region 3 km SE Bolognola (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Bolognola (MC), on

  • 31-10-2016 13:15:31 (UTC)
  • 31-10-2016 14:15:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9660, 13.2440 at 9 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
Bolognola MC 4 142 142
Montefortino FM 8 1178 1320
Ussita MC 9 444 1764
Acquacanina MC 9 121 1885
Sarnano MC 9 3264 5149
Amandola FM 9 3629 8778
Montemonaco AP 10 604 9382
Fiastra MC 11 559 9941
Castelsantangelo sul Nera MC 11 281 10222
Visso MC 13 1107 11329
Gualdo MC 14 815 12144
Comunanza AP 14 3166 15310
Fiordimonte MC 15 202 15512
Montegallo AP 16 523 16035
Cessapalombo MC 16 512 16547
Pievebovigliana MC 17 866 17413
Smerillo FM 17 365 17778
San Ginesio MC 17 3498 21276
Monte San Martino MC 18 765 22041
Penna San Giovanni MC 18 1108 23149
Montefalcone Appennino FM 18 424 23573
Pieve Torina MC 18 1458 25031
Camporotondo di Fiastrone MC 19 563 25594
Palmiano AP 19 196 25790
Preci PG 19 724 26514
Caldarola MC 19 1823 28337
Sant'Angelo in Pontano MC 19 1436 29773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
66 Km NE of Terni (111501 inhabitants)
69 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 inhabitants)
99 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
Bulletin
Rev1000
ML 0.8 2016-10-31
13:15:31
42.9662 13.2442 9 2019-02-12
14:03:14
Bollettino Sismico Italiano INGV 45131701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-31 13:15:31 ± 0.09
Latitude 42.9662 ± 0.0036
Longitude 13.2442 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 45131701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 367
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
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 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 45131701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-05-10 19:33:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1215.EHZ. 2016-10-31T13:15:43.60 0.3 undecidable manual S 239 35.5422 50 -0.38 68
IV.T1217.EHZ. 2016-10-31T13:15:39.32 0.1 undecidable manual P 222 37.9287 50 0.24 92
IV.T1215.EHZ. 2016-10-31T13:15:38.81 0.3 undecidable manual P 239 35.5422 50 0.1 72
IV.FDMO.HHZ. 2016-10-31T13:15:37.46 0.1 undecidable manual S 302 14.9739 120 -0.05 100
IV.CSP1.EHZ. 2016-10-31T13:15:37.40 0.3 undecidable manual S 347 14.2746 121 0.08 75
IV.MMO1.EHZ. 2016-10-31T13:15:36.28 0.6 undecidable manual S 138 9.9789 131 0.17 49
IV.T1245.HNZ. 2016-10-31T13:15:36.64 0.3 undecidable manual S 201 12.9759 124 -0.29 71
IV.FEMA.HNE. 2016-10-31T13:15:35.25 0.3 undecidable manual P 268 15.7731 119 0.13 74
IV.T1216.EHZ. 2016-10-31T13:15:35.97 0.3 undecidable manual P 245 20.0688 113 0.07 74
XO.AM05.HNZ. 2016-10-31T13:15:35.90 0.6 undecidable manual S 82 8.88 134 0.06 50
IV.FDMO.HHZ. 2016-10-31T13:15:35.33 0.3 undecidable manual P 302 14.9739 120 0.36 70
IV.T1256.HHZ. 2016-10-31T13:15:34.92 0.3 undecidable manual S 342 4.6953 152 -0.02 77
IV.T1245.HNZ. 2016-10-31T13:15:34.79 0.3 undecidable manual P 201 12.9759 124 0.15 74
IV.MMO1.EHZ. 2016-10-31T13:15:34.20 0.3 undecidable manual P 138 9.9789 131 0.03 76
IV.CSP1.EHZ. 2016-10-31T13:15:34.58 0.1 undecidable manual P 347 14.2746 121 -0.29 95
XO.AM05.HNZ. 2016-10-31T13:15:33.77 0.3 undecidable manual P 82 8.88 134 -0.24 73
IV.T1256.HHZ. 2016-10-31T13:15:33.48 0.3 undecidable manual P 342 4.6953 152 -0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.0 0.00009321054499999999 0.1792 AML other m 2016-10-31T13:15:37.62
IV.CSP1.EHN. ML:0.7 0.000048826750000000015 0.0832 AML other m 2016-10-31T13:15:37.64
IV.T1215.HNN. ML:0.9 0.000028100499999999973 0.16 AML other m 2016-10-31T13:15:44.09
IV.T1215.EHN. ML:0.8 0.000023646999999999972 0.064 AML other m 2016-10-31T13:15:44.36
IV.T1215.EHE. ML:0.7 0.00001967450000000004 0.064 AML other m 2016-10-31T13:15:44.44
IV.T1256.HHN. ML:1.0 0.00017638445 0.16 AML other m 2016-10-31T13:15:35.99
IV.T1256.HNN. ML:1.0 0.00017305062 0.1536 AML other m 2016-10-31T13:15:35.68
IV.T1256.HNE. ML:1.1 0.00023573120000000002 0.16 AML other m 2016-10-31T13:15:35.84
IV.T1256.HHE. ML:1.1 0.0002491818 0.224 AML other m 2016-10-31T13:15:35.78
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
Waveforms Seismic signals in miniseed + resp format Download