Earthquake with magnitude of ML 1.1 on date 18-04-2023 and time 02:07:40 (UTC) in region 3 km W Muccia (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km W Muccia (MC), on

  • 18-04-2023 02:07:40 (UTC)
  • 18-04-2023 04:07:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0740, 13.0110 at 13 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
Muccia MC 3 915 915
Pieve Torina MC 5 1458 2373
Serravalle di Chienti MC 5 1070 3443
Pievebovigliana MC 6 866 4309
Fiordimonte MC 8 202 4511
Camerino MC 8 6974 11485
Monte Cavallo MC 9 145 11630
Sefro MC 10 422 12052
Pioraco MC 12 1134 13186
Fiastra MC 13 559 13745
Acquacanina MC 14 121 13866
Fiuminata MC 14 1402 15268
Castelraimondo MC 16 4587 19855
Visso MC 17 1107 20962
Ussita MC 18 444 21406
Nocera Umbra PG 18 5839 27245
Serrapetrona MC 19 966 28211
Caldarola MC 19 1823 30034
Gagliole MC 19 620 30654
Bolognola MC 20 142 30796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
86 Km S of Fano (60888 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
93 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 1.1 2023-04-18
02:07:40
43.0742 13.0107 13 2023-04-18
02:25:23
Sala Sismica INGV-Roma 116475521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 02:07:40 ± 0.11
Latitude 43.0742 ± 0.0054
Longitude 13.0107 ± 0.0074
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116475521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 593
Semi-minor axis of confidence ellipse (meter) 527
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
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:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116475521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-18 02:25:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-18T02:07:50.87 0.1 undecidable manual S 162 27.9498 99 0.02 95
IV.GUMA.HHZ. 2023-04-18T02:07:50.99 0.3 undecidable manual S 93 26.3514 100 0.58 65
IV.SNTG.HHZ. 2023-04-18T02:07:48.93 0.1 undecidable manual S 344 20.868 105 -0.06 95
IV.CSP1.EHZ. 2023-04-18T02:07:47.63 0.1 undecidable manual S 83 15.873 115 -0.1 96
IV.ATCC.EHZ. 2023-04-18T02:07:47.40 3.0 positive manual P -0.07 0
IV.MMO1.EHZ. 2023-04-18T02:07:47.19 0.3 undecidable manual P 127 32.1456 97 -0.08 71
IV.NRCA.HHZ. 2023-04-18T02:07:46.44 0.1 undecidable manual P 162 27.9498 99 -0.19 94
IV.GUMA.HHZ. 2023-04-18T02:07:46.51 0.1 undecidable manual P 93 26.3514 100 0.13 95
IV.ASSB.HHZ. 2023-04-18T02:07:46.78 0.1 undecidable manual P 263 28.749 98 0.03 96
IV.FDMO.HHZ. 2023-04-18T02:07:45.66 0.1 undecidable manual S 124 7.4814 143 -0.32 94
IV.SNTG.HHZ. 2023-04-18T02:07:45.66 0.1 undecidable manual P 344 20.868 105 0.1 97
IV.MML1.EHZ. 2023-04-18T02:07:45.71 0.1 undecidable manual S 324 5.3946 153 0.03 100
IV.CSP1.EHZ. 2023-04-18T02:07:44.75 0.1 undecidable manual P 83 15.873 115 -0.08 97
IV.FDMO.HHZ. 2023-04-18T02:07:43.76 0.1 undecidable manual P 124 7.4814 143 -0.06 99
IV.MML1.EHZ. 2023-04-18T02:07:43.84 0.1 undecidable manual P 324 5.3946 153 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.00006875 0.66 AML other m 2023-04-18T02:07:45.85
IV.FDMO.HHN. ML:0.8 0.00007225000000000001 1 AML other m 2023-04-18T02:07:45.86
IV.MML1.EHE. ML:1.2 0.000195 1.84 AML other m 2023-04-18T02:07:45.06
IV.MML1.EHN. ML:1.3 0.0002335 0.1 AML other m 2023-04-18T02:07:46.05
IV.CSP1.EHE. ML:1.5 0.0002785 1.24 AML other m 2023-04-18T02:07:47.84
IV.CSP1.EHN. ML:1.6 0.00029949999999999996 0.78 AML other m 2023-04-18T02:07:48.34
IV.GUMA.HHN. ML:1.2 0.00008085 0.32 AML other m 2023-04-18T02:07:51.05
IV.NRCA.HHN. ML:0.8 0.00002965 0.78 AML other m 2023-04-18T02:07:51.39
IV.NRCA.HHE. ML:0.7 0.000024399999999999997 0.1 AML other m 2023-04-18T02:07:52.31
IV.GUMA.HHE. ML:1.4 0.0001208 0.28 AML other m 2023-04-18T02:07:52.72
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