Earthquake with magnitude of ML 1.2 on date 28-03-2023 and time 09:08:52 (Italy) in region 3 km NW Fiastra (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km NW Fiastra (MC), on

  • 28-03-2023 07:08:52 (UTC)
  • 28-03-2023 09:08:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0510, 13.1280 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
Fiastra MC 3 559 559
Fiordimonte MC 3 202 761
Pievebovigliana MC 4 866 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 6 1458 3206
Muccia MC 8 915 4121
Bolognola MC 10 142 4263
Camerino MC 11 6974 11237
Ussita MC 12 444 11681
Monte Cavallo MC 12 145 11826
Cessapalombo MC 13 512 12338
Caldarola MC 13 1823 14161
Visso MC 14 1107 15268
Sarnano MC 14 3264 18532
Serravalle di Chienti MC 14 1070 19602
Camporotondo di Fiastrone MC 15 563 20165
Serrapetrona MC 15 966 21131
Belforte del Chienti MC 16 1886 23017
San Ginesio MC 17 3498 26515
Gualdo MC 17 815 27330
Castelsantangelo sul Nera MC 18 281 27611
Sefro MC 18 422 28033
Pioraco MC 18 1134 29167
Castelraimondo MC 19 4587 33754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 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 1.2 2023-03-28
07:08:52
43.0513 13.1277 13 2023-03-28
07:22:13
Sala Sismica INGV-Roma 115814981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 07:08:52 ± 0.05
Latitude 43.0513 ± 0.0018
Longitude 13.1277 ± 0.0025
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 115814981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 238
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 115814981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 07:22:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-03-28T07:09:03.55 0.3 undecidable manual S 356 30.9468 96 0.06 71
IV.SNTG.HHZ. 2023-03-28T07:09:02.41 0.3 undecidable manual S 326 27.1506 97 -0.09 72
IV.MMO1.EHZ. 2023-03-28T07:09:01.50 0.3 undecidable manual S 136 23.3544 99 0.01 73
IV.NRCA.HHZ. 2023-03-28T07:09:01.54 0.3 undecidable manual S 183 24.1536 99 -0.17 71
IV.CESI.HHZ. 2023-03-28T07:09:00.47 0.3 undecidable manual S 254 18.7701 105 0.17 71
IV.MML1.EHZ. 2023-03-28T07:08:59.17 0.3 undecidable manual S 299 14.3745 115 -0.02 74
IV.SNTG.HHZ. 2023-03-28T07:08:58.22 0.1 undecidable manual P 326 27.1506 97 -0.17 94
IV.EL6.EHZ. 2023-03-28T07:08:58.91 0.1 undecidable manual P 356 30.9468 96 -0.05 96
IV.FDMO.HHZ. 2023-03-28T07:08:57.08 0.3 undecidable manual S 243 3.6963 160 -0.16 74
IV.CESI.HHZ. 2023-03-28T07:08:57.24 0.1 undecidable manual P 254 18.7701 105 0.12 96
IV.CSP1.EHZ. 2023-03-28T07:08:57.78 0.6 undecidable manual S 54 7.6812 140 0.01 50
IV.MMO1.EHZ. 2023-03-28T07:08:57.84 0.1 undecidable manual P 136 23.3544 99 0.04 97
IV.NRCA.HHZ. 2023-03-28T07:08:57.92 0.1 undecidable manual P 183 24.1536 99 -0.01 97
IV.MML1.EHZ. 2023-03-28T07:08:56.54 0.6 positive manual P 299 14.3745 115 0.06 49
IV.FDMO.HHZ. 2023-03-28T07:08:55.39 0.1 undecidable manual P 243 3.6963 160 0.05 100
IV.CSP1.EHZ. 2023-03-28T07:08:55.77 0.1 undecidable manual P 54 7.6812 140 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.3 0.000256 0.14 AML other m 2023-03-28T07:08:57.21
IV.FDMO.HHN. ML:1.0 0.00014749999999999998 0.16 AML other m 2023-03-28T07:08:57.33
IV.CESI.HHE. ML:1.1 0.0000959 0.44 AML other m 2023-03-28T07:09:00.51
IV.CESI.HHN. ML:1.0 0.000078103435 0.08 AML other m 2023-03-28T07:09:00.67
IV.NRCA.HHN. ML:1.2 0.00009365000000000001 0.7 AML other m 2023-03-28T07:09:01.97
IV.NRCA.HHE. ML:1.2 0.000096 0.12 AML other m 2023-03-28T07:09:03.36
IV.CSP1.EHE. ML:1.3 0.00022301894999999998 0.0768 AML other m 2023-03-28T07:08:57.89
IV.CSP1.EHN. ML:1.3 0.00022761104999999998 0.0608 AML other m 2023-03-28T07:08:57.91
IV.MML1.EHE. ML:1.0 0.000095561805 0.1024 AML other m 2023-03-28T07:08:59.56
IV.MML1.EHN. ML:1.1 0.000121744355 0.1792 AML other m 2023-03-28T07:08:59.35
IV.MML1.HNE. ML:1.0 0.00010029592000000001 0.1024 AML other m 2023-03-28T07:08:59.56
IV.MML1.HNN. ML:1.1 0.00011083814000000001 0.16 AML other m 2023-03-28T07:08:59.34
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