Earthquake with magnitude of ML 0.1 on date 31-01-2018 and time 20:52:48 (UTC) in region 3 km SW Pieve Torina (MC)

A magnitude ML 0.1 earthquake occured in region: 3 km SW Pieve Torina (MC), on

  • 31-01-2018 20:52:48 (UTC)
  • 31-01-2018 21:52:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.03, 13.02 at 5 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
Pieve Torina MC 3 1458 1458
Monte Cavallo MC 4 145 1603
Fiordimonte MC 5 202 1805
Pievebovigliana MC 6 866 2671
Muccia MC 6 915 3586
Serravalle di Chienti MC 8 1070 4656
Fiastra MC 11 559 5215
Visso MC 12 1107 6322
Acquacanina MC 12 121 6443
Camerino MC 12 6974 13417
Ussita MC 13 444 13861
Sefro MC 14 422 14283
Preci PG 17 724 15007
Bolognola MC 17 142 15149
Pioraco MC 17 1134 16283
Sellano PG 18 1079 17362
Castelsantangelo sul Nera MC 18 281 17643
Fiuminata MC 19 1402 19045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
98 Km S of Pesaro (94582 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 1000 ML 0.1 2018-01-31
20:52:48
43.03 13.03 5 2019-04-24
14:49:30
Bollettino Sismico Italiano INGV 56413171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-31 20:52:48 ± 0.15
Latitude 43.03 ± 0.01
Longitude 13.03 ± 0.00
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56413171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 605
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 650
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.25631
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 56413171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-03 06:12:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IMI.HHZ. 2018-01-31T20:54:17.44 3.0 undecidable manual Sg 17.040001 0
IV.PIPA.HHZ. 2018-01-31T20:53:55.20 3.0 negative manual Pg 8.39 0
SI.BOSI.HHZ. 2018-01-31T20:53:35.02 3.0 positive manual Pg 4.98 0
IV.TDS.HHZ. 2018-01-31T20:53:35.96 3.0 undecidable manual Pn -5.6 0
IV.SARZ.HHZ. 2018-01-31T20:53:34.88 3.0 negative manual Pg 14.18 0
GU.BURY.HHZ. 2018-01-31T20:53:33.91 3.0 undecidable manual Pg 8.61 0
IV.PTRJ.HNZ. 2018-01-31T20:53:18.65 3.0 undecidable manual Pg 6.07 0
IV.T1299.EHZ. 2018-01-31T20:53:17.29 3.0 undecidable manual Sg 5.45 0
IV.MC2.EHZ. 2018-01-31T20:53:12.11 3.0 undecidable manual Sg 1.77 0
IV.COLB.HHZ. 2018-01-31T20:53:10.47 3.0 negative manual Pn -4.45 0
IV.NDIM.HNZ. 2018-01-31T20:53:07.74 3.0 negative manual Pn -2.42 0
IV.CAFI.HHZ. 2018-01-31T20:53:02.74 3.0 undecidable manual Sn -1.53 0
IV.MMO1.EHZ. 2018-01-31T20:52:58.44 0.3 undecidable manual S 120 0.2563 100 -0.14 70
IV.MMUR.HNZ. 2018-01-31T20:52:56.22 3.0 negative manual Pg 0.85 0
IV.CPGN.EHZ. 2018-01-31T20:52:54.48 3.0 undecidable manual P -1.27 0
IV.MA9.HHZ. 2018-01-31T20:52:54.87 3.0 undecidable manual Pn -2.4 0
IV.MMO1.EHZ. 2018-01-31T20:52:54.69 0.6 undecidable manual P 120 0.2563 100 0.35 45
IV.SSP9.EHZ. 2018-01-31T20:52:54.79 3.0 negative manual Pg 1.54 0
IV.CESI.HHZ. 2018-01-31T20:52:52.53 0.1 undecidable manual S 254 0.0917 117 0.03 99
IV.CSP1.EHZ. 2018-01-31T20:52:51.91 0.1 undecidable manual P 65 0.1448 108 -0.03 98
IV.FDMO.HHZ. 2018-01-31T20:52:51.08 0.1 undecidable manual S 82 0.0459 135 0.03 100
IV.CESI.HHZ. 2018-01-31T20:52:50.75 0.1 undecidable manual P 254 0.0917 117 -0.08 98
IV.MCIV.HHZ. 2018-01-31T20:52:50.92 3.0 negative manual P 1.36 0
IV.FDMO.HHZ. 2018-01-31T20:52:49.97 0.1 undecidable manual P 82 0.0459 135 -0.03 100
IV.CAFI.HHZ. 2018-01-31T20:52:49.81 3.0 negative manual P -1.35 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BURY.HHE. ML:3.5 0.0001191 1.34 AML other m 2018-01-31T20:53:42.92
IV.CPGN.EHN. ML:2.1 0.0001076 0.42 AML other m 2018-01-31T20:53:23.58
IV.CPGN.HNE. ML:5.2 0.15 0.42 AML other m 2018-01-31T20:53:36.22
IV.CPGN.HNN. ML:5.2 0.155 0.4 AML other m 2018-01-31T20:53:36.27
GU.BURY.HHN. ML:3.4 0.00011625 1.54 AML other m 2018-01-31T20:53:52.83
IV.FDMO.HHE. ML:0 7.680374E-5 0.128 AML other m 2018-01-31T20:52:51.12
IV.FDMO.HHN. ML:0 0.00010633865 0.1664 AML other m 2018-01-31T20:52:51.14
IV.CESI.HHN. ML:0.2 2.4907965E-5 0.192 AML other m 2018-01-31T20:52:52.76
IV.CESI.HHE. ML:0 1.4307039E-5 0.1408 AML other m 2018-01-31T20:52:52.60
IV.CPGN.EHE. ML:1.7 4.92E-5 0.42 AML other m 2018-01-31T20:53:21.88
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download