Earthquake with magnitude of ML 0.1 on date 31-05-2018 and time 17:11:42 (Italy) in region 5 km SW Fiastra (MC)

A magnitude ML 0.1 earthquake occured in region: 5 km SW Fiastra (MC), on

  • 31-05-2018 15:11:42 (UTC)
  • 31-05-2018 17:11:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.997, 13.132 at 13 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
Fiastra MC 5 559 559
Acquacanina MC 5 121 680
Fiordimonte MC 6 202 882
Ussita MC 6 444 1326
Bolognola MC 8 142 1468
Visso MC 8 1107 2575
Pievebovigliana MC 8 866 3441
Pieve Torina MC 9 1458 4899
Monte Cavallo MC 11 145 5044
Castelsantangelo sul Nera MC 11 281 5325
Muccia MC 12 915 6240
Sarnano MC 15 3264 9504
Preci PG 15 724 10228
Cessapalombo MC 16 512 10740
Camerino MC 16 6974 17714
Serravalle di Chienti MC 17 1070 18784
Caldarola MC 18 1823 20607
Montefortino FM 18 1178 21785
Amandola FM 18 3629 25414
Gualdo MC 19 815 26229
Camporotondo di Fiastrone MC 19 563 26792
Montemonaco AP 19 604 27396
San Ginesio MC 20 3498 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
99 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 0.1 2018-05-31
15:11:42
42.9968 13.1317 13 2019-04-24
14:50:44
Bollettino Sismico Italiano INGV 57611301
Reviewed
Rev100
ML 0.1 2018-05-31
15:11:42
43.0008 13.1412 12 2018-05-31
15:16:04
Sala Sismica INGV-Roma 57403451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-31 15:11:42 ± 0.07
Latitude 42.9968 ± 0.0018
Longitude 13.1317 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57611301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 280
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.16458
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 57611301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-13 11:53:11

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 57403451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-31 15:16:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MML1.HNZ. 2018-05-31T15:11:50.06 0.3 undecidable manual S 315 0.1646 107 0.11 72
IV.NRCA.HNZ. 2018-05-31T15:11:49.83 0.3 undecidable manual S 184 0.1637 107 -0.09 72
IV.T1219.HNZ. 2018-05-31T15:11:48.35 0.3 undecidable manual S 302 0.1097 123 -0.12 72
IV.CSP1.EHZ. 2018-05-31T15:11:48.32 0.3 undecidable manual S 29 0.1088 124 -0.12 73
IV.MC2.EHZ. 2018-05-31T15:11:48.19 0.3 undecidable manual S 154 0.0953 129 0.07 74
IV.FDMO.HHZ. 2018-05-31T15:11:47.28 0.3 undecidable manual S 321 0.0513 150 0.01 75
IV.MML1.HNZ. 2018-05-31T15:11:46.64 1.0 undecidable manual P 315 0.1646 107 -0.17 24
IV.T1220.EHZ. 2018-05-31T15:11:46.18 0.3 undecidable manual P 345 0.1178 121 0.11 73
IV.NRCA.HNZ. 2018-05-31T15:11:46.73 0.1 undecidable manual P 184 0.1637 107 -0.06 97
IV.FDMO.HHZ. 2018-05-31T15:11:45.29 0.1 undecidable manual P 321 0.0513 150 0.02 100
IV.MC2.EHZ. 2018-05-31T15:11:45.81 0.3 undecidable manual P 154 0.0953 129 0.05 74
IV.T1219.HNZ. 2018-05-31T15:11:45.99 0.3 undecidable manual P 302 0.1097 123 0.03 74
IV.CSP1.EHZ. 2018-05-31T15:11:45.95 0.3 undecidable manual P 29 0.1088 124 0.01 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.1 1.54E-5 0.18 AML other m 2018-05-31T15:11:47.21
IV.FDMO.HHN. ML:0 2.075E-5 0.24 AML other m 2018-05-31T15:11:47.40
IV.CSP1.EHN. ML:-0.3 5.328702E-6 0.2944 AML other m 2018-05-31T15:11:48.52
IV.CSP1.EHE. ML:0 9.2694435E-6 0.512 AML other m 2018-05-31T15:11:48.32
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