Earthquake with magnitude of ML 0.6 on date 31-01-2018 and time 22:05:12 (UTC) in region 2 km N Frontone (PU)

A magnitude ML 0.6 earthquake occured in region: 2 km N Frontone (PU), on

  • 31-01-2018 22:05:12 (UTC)
  • 31-01-2018 23:05:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5340, 12.7440 at 19 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
Frontone PU 2 1300 1300
Serra Sant'Abbondio PU 5 1027 2327
Cagli PU 8 8731 11058
Pergola PU 8 6333 17391
Acqualagna PU 11 4393 21784
Cantiano PU 12 2245 24029
Sassoferrato AN 14 7285 31314
Scheggia e Pascelupo PG 16 1393 32707
Arcevia AN 16 4612 37319
Fratte Rosa PU 17 966 38285
Fermignano PU 18 8596 46881
Fossombrone PU 18 9575 56456
San Lorenzo in Campo PU 18 3414 59870
Genga AN 19 1797 61667
Costacciaro PG 20 1216 62883
Sant'Ippolito PU 20 1563 64446
Piobbico PU 20 2029 66475

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Fano (60888 inhabitants)
44 Km SW of Pesaro (94582 inhabitants)
55 Km NE of Perugia (166134 inhabitants)
60 Km S of Rimini (147750 inhabitants)
63 Km W of Ancona (100861 inhabitants)
64 Km N of Foligno (57155 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
78 Km SE of Cesena (96758 inhabitants)
95 Km SE of Forlì (117913 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 0.6 2018-01-31
22:05:12
43.5342 12.7442 19 2019-04-24
14:49:30
Bollettino Sismico Italiano INGV 56414941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-31 22:05:12 ± 0.04
Latitude 43.5342 ± 0.0018
Longitude 12.7442 ± 0.0025
Depth (km) 19 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56414941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 163
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16098
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 56414941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-03 06:49:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HNZ. 2018-01-31T22:06:45.15 3.0 undecidable manual Sn 12.57 0
IV.NDIM.HHZ. 2018-01-31T22:06:26.24 3.0 undecidable manual Sg 5.09 0
IV.IMI.HHZ. 2018-01-31T22:06:05.21 3.0 undecidable manual Pn 0.61 0
IV.PAOL.HHZ. 2018-01-31T22:06:02.77 3.0 undecidable manual Sg 19.66 0
IV.MSSA.HHZ. 2018-01-31T22:05:55.03 3.0 undecidable manual Pn 4.35 0
IV.CPGN.EHZ. 2018-01-31T22:05:46.39 3.0 undecidable manual Sg 1.04 0
IV.CAFI.HHZ. 2018-01-31T22:05:44.92 3.0 undecidable manual Sg -1.38 0
IV.LRP.EHZ. 2018-01-31T22:05:40.37 3.0 undecidable manual Sn 8.51 0
IV.NDIM.HNZ. 2018-01-31T22:05:39.87 3.0 positive manual Pn -2.91 0
OB.GAVE.EHZ. 2018-01-31T22:05:26.13 3.0 undecidable manual S -1.76 0
IV.LAV9.HHZ. 2018-01-31T22:05:22.52 3.0 negative manual Pn 1.98 0
IV.FSSB.HHZ. 2018-01-31T22:05:21.03 0.1 undecidable manual S 8 17.871 128 0.04 97
IV.PIEI.HHZ. 2018-01-31T22:05:20.78 0.1 undecidable manual S 271 16.872 130 0 98
IV.NARO.HHZ. 2018-01-31T22:05:20.48 0.1 undecidable manual S 303 15.6732 133 -0.07 97
IV.ARVD.HHZ. 2018-01-31T22:05:20.58 0.1 undecidable manual S 104 16.3725 131 -0.11 97
IV.SSFR.HHN. 2018-01-31T22:05:19.79 0.1 undecidable manual S 164 11.2776 143 0.03 98
IV.FRON.EHZ. 2018-01-31T22:05:18.84 0.1 undecidable manual S 219 2.3976 172 0.01 100
IV.NARO.HHZ. 2018-01-31T22:05:17.30 0.3 undecidable manual P 303 15.6732 133 -0.04 73
IV.ARVD.HHZ. 2018-01-31T22:05:17.40 0.3 negative manual P 104 16.3725 131 -0.02 74
IV.PIEI.HHZ. 2018-01-31T22:05:17.47 0.1 undecidable manual P 271 16.872 130 0 98
IV.FSSB.HHZ. 2018-01-31T22:05:17.58 0.1 negative manual P 8 17.871 128 -0.01 98
IV.FRON.EHZ. 2018-01-31T22:05:16.42 0.3 undecidable manual P 219 2.3976 172 0.07 74
IV.SSFR.HHN. 2018-01-31T22:05:16.92 0.1 undecidable manual P 164 11.2776 143 0.04 99
IV.T1214.EHZ. 2018-01-31T22:05:11.40 3.0 positive manual P 1.77 0
IV.MF5.EHZ. 2018-01-31T22:05:07.34 3.0 undecidable manual P -0.15 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.8 0.000053599999999999995 1.72 AML other m 2018-01-31T22:05:19.86
IV.FRON.EHN. ML:0.7 0.000045700000000000006 1.16 AML other m 2018-01-31T22:05:18.32
IV.NARO.HHN. ML:0.6 0.000023177524999999998 0.1408 AML other m 2018-01-31T22:05:20.51
IV.NARO.HHE. ML:0.5 0.0000220600125 0.0896 AML other m 2018-01-31T22:05:20.51
IV.ARVD.HHN. ML:0.7 0.00003392047500000001 0.0768 AML other m 2018-01-31T22:05:20.92
IV.PIEI.HHE. ML:0.4 0.000016690497999999997 0.0512 AML other m 2018-01-31T22:05:20.94
IV.PIEI.HHN. ML:0.2 0.00001122097055 0.0512 AML other m 2018-01-31T22:05:20.94
IV.FSSB.HHN. ML:0.7 0.00002903647 0.7808 AML other m 2018-01-31T22:05:21.49
IV.FSSB.HHE. ML:0.7 0.00003248206 0.064 AML other m 2018-01-31T22:05:21.24
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