Earthquake with magnitude of ML 0.4 on date 20-05-2018 and time 21:28:13 (Italy) in region 4 km SW Caldarola (MC)

A magnitude ML 0.4 earthquake occured in region: 4 km SW Caldarola (MC), on

  • 20-05-2018 19:28:13 (UTC)
  • 20-05-2018 21:28:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 13.1930 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Caldarola MC 4 1823 1823
Cessapalombo MC 5 512 2335
Camporotondo di Fiastrone MC 6 563 2898
Belforte del Chienti MC 7 1886 4784
Serrapetrona MC 7 966 5750
Fiastra MC 9 559 6309
Acquacanina MC 10 121 6430
San Ginesio MC 10 3498 9928
Camerino MC 10 6974 16902
Pievebovigliana MC 11 866 17768
Fiordimonte MC 12 202 17970
Sarnano MC 13 3264 21234
Muccia MC 13 915 22149
San Severino Marche MC 13 12726 34875
Tolentino MC 13 20069 54944
Gualdo MC 13 815 55759
Bolognola MC 14 142 55901
Pieve Torina MC 14 1458 57359
Colmurano MC 14 1263 58622
Ripe San Ginesio MC 15 852 59474
Castelraimondo MC 15 4587 64061
Sant'Angelo in Pontano MC 17 1436 65497
Gagliole MC 17 620 66117
Urbisaglia MC 18 2628 68745
Pioraco MC 18 1134 69879
Loro Piceno MC 19 2401 72280
Ussita MC 20 444 72724
Penna San Giovanni MC 20 1108 73832
Amandola FM 20 3629 77461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
62 Km SW of Ancona (100861 inhabitants)
65 Km E of Perugia (166134 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
76 Km NE of Terni (111501 inhabitants)
82 Km S of Fano (60888 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
91 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
Reviewed
Rev100
ML 0.4 2018-05-20
19:28:13
43.1158 13.1933 5 2018-05-20
19:35:46
Sala Sismica INGV-Roma 57048671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-20 19:28:13 ± 0.14
Latitude 43.1158 ± 0.0045
Longitude 13.1933 ± 0.0074
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 57048671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 156
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 57048671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-20 19:35:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2018-05-20T19:28:23.33 0.3 undecidable manual S 0 28.8489 100 -0.22 69
IV.EL6.EHZ. 2018-05-20T19:28:22.36 0.3 undecidable manual S 343 24.8529 101 0.18 70
IV.MMO1.EHZ. 2018-05-20T19:28:22.09 0.3 undecidable manual S 156 26.3514 100 -0.61 62
IV.MF5.EHZ. 2018-05-20T19:28:22.96 0.3 undecidable manual S 123 25.8519 101 0.43 66
IV.SNTG.HHZ. 2018-05-20T19:28:22.60 3.0 undecidable manual S 0
IV.CING.HHZ. 2018-05-20T19:28:19.28 0.3 undecidable manual P 0 28.8489 100 0.02 72
IV.FDMO.HHZ. 2018-05-20T19:28:18.34 0.3 undecidable manual S 224 12.2766 112 0.35 69
IV.SNTG.HHZ. 2018-05-20T19:28:18.31 3.0 undecidable manual P 0
IV.GUMA.HNE. 2018-05-20T19:28:18.49 0.1 undecidable manual S 117 12.876 111 0.3 93
IV.EL6.EHZ. 2018-05-20T19:28:18.93 0.6 undecidable manual P 343 24.8529 101 0.46 44
IV.MMO1.EHZ. 2018-05-20T19:28:18.02 0.6 undecidable manual P 156 26.3514 100 -0.75 39
IV.MF5.EHZ. 2018-05-20T19:28:18.56 0.3 undecidable manual P 123 25.8519 101 -0.11 71
IV.FDMO.HHZ. 2018-05-20T19:28:16.05 0.1 undecidable manual P 224 12.2766 112 -0.01 98
IV.GUMA.HNE. 2018-05-20T19:28:16.18 0.1 undecidable manual P 117 12.876 111 0.01 98
IV.PF6.EHE. 2018-05-20T19:28:15.12 0.1 undecidable manual S 2 2.4975 153 -0.18 97
IV.CSP1.EHZ. 2018-05-20T19:28:15.45 0.1 undecidable manual S 161 2.7972 150 0.1 98
IV.CSP1.EHZ. 2018-05-20T19:28:14.54 0.1 undecidable manual P 161 2.7972 150 0.01 100
IV.PF6.EHE. 2018-05-20T19:28:14.33 0.1 undecidable manual P 2 2.4975 153 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.000048549999999999994 0.16 AML other m 2018-05-20T19:28:18.50
IV.FDMO.HHN. ML:0.3 0.000022800000000000002 0.5 AML other m 2018-05-20T19:28:18.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download