Earthquake with magnitude of ML 0.2 on date 31-01-2018 and time 09:41:25 (Italy) in region 3 km S Acquacanina (MC)

A magnitude ML 0.2 earthquake occured in region: 3 km S Acquacanina (MC), on

  • 31-01-2018 08:41:25 (UTC)
  • 31-01-2018 09:41:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.009, 13.169 at 14 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
Acquacanina MC 3 121 121
Fiastra MC 3 559 680
Bolognola MC 5 142 822
Fiordimonte MC 7 202 1024
Ussita MC 8 444 1468
Pievebovigliana MC 9 866 2334
Pieve Torina MC 10 1458 3792
Visso MC 11 1107 4899
Sarnano MC 11 3264 8163
Castelsantangelo sul Nera MC 13 281 8444
Muccia MC 13 915 9359
Cessapalombo MC 13 512 9871
Monte Cavallo MC 14 145 10016
Gualdo MC 15 815 10831
Caldarola MC 15 1823 12654
Amandola FM 16 3629 16283
Camporotondo di Fiastrone MC 16 563 16846
Montefortino FM 16 1178 18024
Camerino MC 16 6974 24998
San Ginesio MC 16 3498 28496
Montemonaco AP 18 604 29100
Preci PG 18 724 29824
Belforte del Chienti MC 18 1886 31710
Serravalle di Chienti MC 19 1070 32780
Serrapetrona MC 19 966 33746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
64 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
94 Km S of Fano (60888 inhabitants)
97 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 0.2 2018-01-31
08:41:25
43.0088 13.1688 14 2019-04-24
14:49:30
Bollettino Sismico Italiano INGV 56367461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-31 08:41:25 ± 0.23
Latitude 43.0088 ± 0.0063
Longitude 13.1688 ± 0.0098
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56367461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 799
Semi-minor axis of confidence ellipse (meter) 427
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) 800
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.17986
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 56367461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-02 13:11:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2018-01-31T08:42:59.93 3.0 undecidable manual Sn 1.97 0
IV.MCRV.HHZ. 2018-01-31T08:42:50.80 3.0 undecidable manual Sg 13.04 0
IV.NOV.HHZ. 2018-01-31T08:42:44.27 3.0 negative manual Pn 4.34 0
IV.COLB.HHZ. 2018-01-31T08:42:26.80 3.0 undecidable manual Sn -2.04 0
IV.PTCC.HHZ. 2018-01-31T08:42:20.90 3.0 positive manual Pg 6.98 0
IV.CAPR.HNZ. 2018-01-31T08:42:16.94 3.0 undecidable manual Pn 1.4 0
IV.ACER.HHZ. 2018-01-31T08:42:10.79 3.0 positive manual Pn 0.67 0
IV.CELB.HHZ. 2018-01-31T08:41:56.60 3.0 undecidable manual Pn -1.49 0
IV.PE3.EHZ. 2018-01-31T08:41:50.39 3.0 undecidable manual S -0.56 0
IV.VVLD.HHZ. 2018-01-31T08:41:47.37 3.0 negative manual Pg 2.47 0
IV.VIVA.HHZ. 2018-01-31T08:41:44.88 3.0 positive manual Pn -1.48 0
IV.CPGN.EHZ. 2018-01-31T08:41:40.33 3.0 undecidable manual P -0.87 0
IV.T1299.EHZ. 2018-01-31T08:41:33.34 3.0 undecidable manual P 0.02 0
IV.MMO1.EHZ. 2018-01-31T08:41:32.30 0.1 undecidable manual S 133 0.1592 115 -0.29 91
IV.MC2.EHZ. 2018-01-31T08:41:31.26 0.1 undecidable manual S 171 0.098 133 0.17 98
IV.FDMO.HHZ. 2018-01-31T08:41:30.19 0.1 undecidable manual S 295 0.0657 146 -0.27 96
IV.CSP1.EHZ. 2018-01-31T08:41:30.81 0.1 undecidable manual S 18 0.0872 137 -0.04 98
IV.NRCA.HHZ. 2018-01-31T08:41:29.86 0.1 undecidable manual P 193 0.1799 110 0.06 99
IV.MMO1.EHZ. 2018-01-31T08:41:29.49 0.3 undecidable manual P 133 0.1592 115 0.01 73
IV.CSP1.EHZ. 2018-01-31T08:41:28.67 0.3 negative manual P 18 0.0872 137 0.2 74
IV.MC2.EHZ. 2018-01-31T08:41:28.82 0.3 undecidable manual P 171 0.098 133 0.21 73
IV.FDMO.HHZ. 2018-01-31T08:41:28.34 0.1 undecidable manual P 295 0.0657 146 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CELB.HHE. ML:2.7 0.0001105 1.54 AML other m 2018-01-31T08:42:05.20
IV.FDMO.HHN. ML:0.3 1.80659645E-5 0.1024 AML other m 2018-01-31T08:41:30.37
IV.FDMO.HHE. ML:0.1 1.414605E-5 0.1408 AML other m 2018-01-31T08:41:30.28
IV.CSP1.EHE. ML:0 1.029189E-5 0.0832 AML other m 2018-01-31T08:41:31.09
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