Earthquake with magnitude of ML 0.3 on date 31-01-2018 and time 06:37:45 (Italy) in region 5 km N Ussita (MC)

A magnitude ML 0.3 earthquake occured in region: 5 km N Ussita (MC), on

  • 31-01-2018 05:37:45 (UTC)
  • 31-01-2018 06:37:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9850, 13.1320 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
Ussita MC 5 444 444
Fiastra MC 6 559 1003
Acquacanina MC 6 121 1124
Fiordimonte MC 7 202 1326
Visso MC 7 1107 2433
Bolognola MC 8 142 2575
Pieve Torina MC 9 1458 4033
Pievebovigliana MC 9 866 4899
Castelsantangelo sul Nera MC 10 281 5180
Monte Cavallo MC 11 145 5325
Muccia MC 13 915 6240
Preci PG 14 724 6964
Sarnano MC 15 3264 10228
Cessapalombo MC 17 512 10740
Serravalle di Chienti MC 18 1070 11810
Camerino MC 18 6974 18784
Montefortino FM 18 1178 19962
Amandola FM 18 3629 23591
Montemonaco AP 19 604 24195
Caldarola MC 19 1823 26018
Gualdo MC 19 815 26833
Camporotondo di Fiastrone MC 20 563 27396
Sellano PG 20 1079 28475

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
62 Km NE of Terni (111501 inhabitants)
62 Km E of Perugia (166134 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 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 0.3 2018-01-31
05:37:45
42.9853 13.1317 9 2019-04-24
14:49:30
Bollettino Sismico Italiano INGV 56362051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-31 05:37:45 ± 0.14
Latitude 42.9853 ± 0.0027
Longitude 13.1317 ± 0.0037
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 56362051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16727
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 56362051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-02 10:40:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2018-01-31T05:39:25.20 3.0 undecidable manual Sg 15.18 0
BA.PZUN.HHZ. 2018-01-31T05:39:12.11 3.0 undecidable manual Sg 19.110001 0
IV.LEOD.HNZ. 2018-01-31T05:39:08.21 3.0 undecidable manual Sg 4.44 0
OX.SABO.HNZ. 2018-01-31T05:38:48.73 3.0 undecidable manual Sg 0.87 0
IV.ACER.HHZ. 2018-01-31T05:38:35.72 3.0 positive manual Pg 19.59 0
IV.QLNO.HHZ. 2018-01-31T05:38:35.12 3.0 positive manual Pn 3.48 0
IV.BORM.HNZ. 2018-01-31T05:38:31.22 3.0 undecidable manual Pn 0.05 0
CR.STON.BHZ. 2018-01-31T05:38:24.70 3.0 negative manual Pn 8.81 0
IV.SACS.HHZ. 2018-01-31T05:38:21.47 3.0 undecidable manual Sn 4.17 0
IV.LEOD.HNZ. 2018-01-31T05:38:18.07 3.0 positive manual Pn -4.98 0
IV.ARVD.HHZ. 2018-01-31T05:38:00.08 3.0 undecidable manual Sn -3.57 0
IV.RMP.HHZ. 2018-01-31T05:37:58.60 3.0 negative manual Pn -0.74 0
CR.BRJN.HHZ. 2018-01-31T05:37:53.19 3.0 negative manual Pn -7.05 0
IV.MMO1.EHZ. 2018-01-31T05:37:52.72 0.1 undecidable manual S 121 18.4704 115 -0.13 96
IV.CESI.HHZ. 2018-01-31T05:37:52.96 0.1 undecidable manual S 277 18.5703 115 0.09 97
IV.NRCA.HHZ. 2018-01-31T05:37:52.24 0.1 undecidable manual S 185 16.872 118 -0.12 97
IV.CSP1.EHZ. 2018-01-31T05:37:51.23 0.1 undecidable manual S 27 13.1757 124 -0.02 99
IV.GUMA.HNN. 2018-01-31T05:37:50.02 0.1 undecidable manual P 62 18.5703 115 0.15 96
IV.MC2.EHZ. 2018-01-31T05:37:50.59 0.1 undecidable manual S 150 9.4794 133 0.37 93
IV.NRCA.HHZ. 2018-01-31T05:37:49.54 0.3 undecidable manual P 185 16.872 118 -0.02 74
IV.MMO1.EHZ. 2018-01-31T05:37:49.78 0.1 undecidable manual P 121 18.4704 115 -0.07 97
IV.FDMO.HHZ. 2018-01-31T05:37:49.40 0.1 undecidable manual S 328 6.6933 143 -0.19 97
IV.CESI.HHZ. 2018-01-31T05:37:49.87 0.1 positive manual P 277 18.5703 115 0.01 98
IV.CSP1.EHZ. 2018-01-31T05:37:48.98 0.1 undecidable manual P 27 13.1757 124 0.06 99
IV.MC2.EHZ. 2018-01-31T05:37:48.09 0.3 undecidable manual P 150 9.4794 133 -0.24 72
IV.FDMO.HHZ. 2018-01-31T05:37:48.00 0.1 undecidable manual P 328 6.6933 143 0.04 100
IV.COR1.EHZ. 2018-01-31T05:37:46.68 3.0 positive manual P -2.84 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.0000541 0.1 AML other m 2018-01-31T05:37:49.73
IV.FDMO.HHE. ML:0.4 0.0000455 0.2 AML other m 2018-01-31T05:37:49.46
IV.CSP1.EHN. ML:0.0 0.0000104878315 0.1184 AML other m 2018-01-31T05:37:51.43
IV.CSP1.EHE. ML:0.3 0.000021433815000000002 0.0992 AML other m 2018-01-31T05:37:51.45
IV.CESI.HHN. ML:0.3 0.0000155762445 0.1376 AML other m 2018-01-31T05:37:53.05
IV.CESI.HHE. ML:0.3 0.00001263945 0.1792 AML other m 2018-01-31T05:37:53.37
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