Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 25-04-2018 and time 04:05:28 (Italy) in region 2 km S Muccia (MC)

A magnitude ML 0.2 earthquake occured in region: 2 km S Muccia (MC), on

  • 25-04-2018 02:05:28 (UTC)
  • 25-04-2018 04:05:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0660, 13.0520 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Muccia MC 2 915 915
Pieve Torina MC 2 1458 2373
Pievebovigliana MC 3 866 3239
Fiordimonte MC 4 202 3441
Camerino MC 8 6974 10415
Serravalle di Chienti MC 8 1070 11485
Monte Cavallo MC 9 145 11630
Fiastra MC 9 559 12189
Acquacanina MC 11 121 12310
Sefro MC 12 422 12732
Pioraco MC 14 1134 13866
Ussita MC 15 444 14310
Visso MC 15 1107 15417
Castelraimondo MC 16 4587 20004
Bolognola MC 16 142 20146
Caldarola MC 16 1823 21969
Fiuminata MC 17 1402 23371
Serrapetrona MC 17 966 24337
Cessapalombo MC 18 512 24849
Belforte del Chienti MC 19 1886 26735
Camporotondo di Fiastrone MC 19 563 27298
Gagliole MC 20 620 27918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 inhabitants)
95 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
Bulletin
Rev1000 		ML 0.2 2018-04-25
02:05:28		 43.0655 13.0517 7 2019-04-24
14:49:40		 Bollettino Sismico Italiano INGV 58937631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-25 02:05:28 ± 0.14
Latitude 43.0655 ± 0.0036
Longitude 13.0517 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58937631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.26620
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 58937631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-21 10:42:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHE. 2018-04-25T02:05:38.59 0.6 undecidable manual S 8 29.5482 104 -0.27 46
IV.NRCA.HHZ. 2018-04-25T02:05:37.39 0.6 undecidable manual S 169 26.2515 106 -0.35 45
IV.MC2.EHZ. 2018-04-25T02:05:36.23 0.6 undecidable manual S 147 20.3685 110 0.41 45
IV.SNTG.HHE. 2018-04-25T02:05:36.53 0.3 undecidable manual S 337 22.8549 108 -0.1 72
IV.EL6.EHE. 2018-04-25T02:05:34.00 0.6 undecidable manual P 8 29.5482 104 -0.4 45
IV.CSP1.EHZ. 2018-04-25T02:05:33.35 0.6 undecidable manual S 77 12.7761 120 -0.04 50
IV.MC2.EHZ. 2018-04-25T02:05:33.45 0.6 undecidable manual P 147 20.3685 110 0.81 39
IV.CESI.HHZ. 2018-04-25T02:05:33.93 0.6 undecidable manual S 241 13.6752 118 0.25 47
IV.NRCA.HHZ. 2018-04-25T02:05:33.36 0.3 undecidable manual P 169 26.2515 106 -0.39 67
IV.PF6.EHZ. 2018-04-25T02:05:33.91 0.3 undecidable manual S 55 14.0748 117 0.12 73
IV.SNTG.HHE. 2018-04-25T02:05:32.88 0.6 undecidable manual P 337 22.8549 108 -0.23 47
IV.MML1.EHZ. 2018-04-25T02:05:32.23 0.3 undecidable manual S 309 8.3805 131 0.08 74
IV.CESI.HHZ. 2018-04-25T02:05:31.57 0.6 undecidable manual P 241 13.6752 118 0.16 48
IV.PF6.EHZ. 2018-04-25T02:05:31.50 0.3 undecidable manual P 55 14.0748 117 0.03 74
IV.T1219.EHZ. 2018-04-25T02:05:31.08 0.1 undecidable manual S 254 3.996 151 -0.09 100
IV.CSP1.EHZ. 2018-04-25T02:05:31.35 0.3 undecidable manual P 77 12.7761 120 0.11 73
IV.T1220.EHZ. 2018-04-25T02:05:31.75 0.3 undecidable manual S 31 5.7942 141 0.22 72
IV.T1220.EHZ. 2018-04-25T02:05:30.29 0.1 undecidable manual P 31 5.7942 141 0.13 99
IV.MML1.EHZ. 2018-04-25T02:05:30.76 0.3 undecidable manual P 309 8.3805 131 0.23 72
IV.FDMO.HHZ. 2018-04-25T02:05:30.97 0.1 undecidable manual S 138 4.2957 149 -0.26 96
IV.T1219.EHZ. 2018-04-25T02:05:30.03 0.1 undecidable manual P 254 3.996 151 0.07 100
IV.FDMO.HHZ. 2018-04-25T02:05:29.79 0.1 undecidable manual P 138 4.2957 149 -0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.000080471175 0.24 AML other m 2018-04-25T02:05:31.60
IV.FDMO.HHE. ML:0.0 0.00013335124999999998 0.16 AML other m 2018-04-25T02:05:31.25
IV.T1220.EHE. ML:0.0 0.000139608615 0.192 AML other m 2018-04-25T02:05:31.97
IV.T1220.EHN. ML:0.0 0.00010758315500000001 0.08 AML other m 2018-04-25T02:05:31.99
IV.T1220.HNE. ML:0.0 0.000075693865 0.192 AML other m 2018-04-25T02:05:32.07
IV.T1220.HNN. ML:0.0 0.00008320526999999999 0.448 AML other m 2018-04-25T02:05:31.99
IV.MML1.EHE. ML:0.2 0.000026414275 0.16 AML other m 2018-04-25T02:05:32.86
IV.MML1.EHN. ML:0.4 0.000039550799999999994 0.1408 AML other m 2018-04-25T02:05:32.47
IV.CSP1.EHE. ML:-0.1 0.000010428395000000001 1.1008 AML other m 2018-04-25T02:05:33.76
IV.PF6.EHE. ML:0.2 0.00001984998625 0.44 AML other m 2018-04-25T02:05:33.96
IV.CESI.HHE. ML:0.1 0.0000156952 0.1408 AML other m 2018-04-25T02:05:34.16
IV.CESI.HHN. ML:0.4 0.00003028814 0.1616 AML other m 2018-04-25T02:05:34.16
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