Earthquake with magnitude of ML 0.5 on date 21-03-2023 and time 02:54:18 (UTC) in region 4 km E Fermignano (PU)

A magnitude ML 0.5 earthquake occured in region: 4 km E Fermignano (PU), on

  • 21-03-2023 02:54:18 (UTC)
  • 21-03-2023 03:54:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6640, 12.6910 at 11 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
Fermignano PU 4 8596 8596
Acqualagna PU 5 4393 12989
Urbino PU 8 15019 28008
Fossombrone PU 10 9575 37583
Isola del Piano PU 11 594 38177
Urbania PU 13 7099 45276
Cagli PU 13 8731 54007
Petriano PU 14 2829 56836
Montefelcino PU 14 2671 59507
Sant'Ippolito PU 15 1563 61070
Peglio PU 16 696 61766
Pergola PU 16 6333 68099
Piobbico PU 17 2029 70128
Frontone PU 17 1300 71428
Montecalvo in Foglia PU 17 2718 74146
Fratte Rosa PU 17 966 75112
Serrungarina PU 18 2634 77746
Barchi PU 19 967 78713
Cartoceto PU 19 7887 86600
Saltara PU 20 6925 93525
Monteciccardo PU 20 1690 95215
Mombaroccio PU 20 2152 97367
Auditore PU 20 1566 98933

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Pesaro (94582 inhabitants)
33 Km SW of Fano (60888 inhabitants)
45 Km S of Rimini (147750 inhabitants)
64 Km SE of Cesena (96758 inhabitants)
67 Km NE of Perugia (166134 inhabitants)
67 Km W of Ancona (100861 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
79 Km N of Foligno (57155 inhabitants)
81 Km SE of Forlì (117913 inhabitants)
93 Km SE of Ravenna (159116 inhabitants)
95 Km SE of Faenza (58541 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 0.5 2023-03-21
02:54:18
43.6638 12.6908 11 2023-03-21
09:52:09
Sala Sismica INGV-Roma 115589031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-21 02:54:18 ± 0.14
Latitude 43.6638 ± 0.0072
Longitude 12.6908 ± 0.0062
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115589031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 115589031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-21 09:52:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2023-03-21T02:54:44.28 3.0 undecidable manual Pg 0.29 0
IV.MF5.EHZ. 2023-03-21T02:54:29.11 3.0 undecidable manual P -0.77 0
IV.ATSC.EHN. 2023-03-21T02:54:28.27 0.3 undecidable manual S 181 26.6511 50 -0.19 71
IV.SSFR.HHZ. 2023-03-21T02:54:28.39 0.3 undecidable manual S 164 26.2515 50 0.01 74
IV.ARVD.HHZ. 2023-03-21T02:54:28.70 0.3 undecidable manual S 132 27.2505 50 0.06 73
IV.ATBU.HNE. 2023-03-21T02:54:28.28 0.3 undecidable manual S 209 23.8539 50 0.56 65
IV.PIEI.HHZ. 2023-03-21T02:54:25.97 0.6 undecidable manual S 221 18.9699 50 -0.45 45
IV.FRON.EHE. 2023-03-21T02:54:25.70 0.1 undecidable manual S 170 16.4724 124 -0.01 100
IV.ARVD.HHZ. 2023-03-21T02:54:24.42 0.3 undecidable manual P 132 27.2505 50 -0.09 72
IV.ATBU.HNE. 2023-03-21T02:54:24.03 0.6 undecidable manual P 209 23.8539 50 0.05 49
IV.ATSC.EHN. 2023-03-21T02:54:24.40 0.3 undecidable manual P 181 26.6511 50 -0.01 74
IV.SSFR.HHZ. 2023-03-21T02:54:24.35 0.3 undecidable manual P 164 26.2515 50 -0.01 74
IV.NARO.HHZ. 2023-03-21T02:54:24.01 0.6 undecidable manual S 236 10.6782 136 -0.14 49
IV.PIEI.HHZ. 2023-03-21T02:54:23.13 0.1 undecidable manual P 221 18.9699 50 -0.1 98
IV.MPAG.HNE. 2023-03-21T02:54:23.23 0.6 undecidable manual S 125 6.6933 148 -0.08 50
IV.NARO.HHZ. 2023-03-21T02:54:22.06 0.3 undecidable manual P 236 10.6782 136 0.14 74
IV.FRON.EHE. 2023-03-21T02:54:22.83 0.1 undecidable manual P 170 16.4724 124 0.01 100
IV.MPAG.HNE. 2023-03-21T02:54:21.52 0.3 undecidable manual P 125 6.6933 148 0.09 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.5 0.000023 0.28 AML other m 2023-03-21T02:54:26.94
IV.PIEI.HHN. ML:0.4 0.000018135000000000002 0.48 AML other m 2023-03-21T02:54:27.25
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