Earthquake with magnitude of ML 0.7 on date 21-04-2023 and time 00:05:55 (UTC) in region 6 km NW Preci (PG)

A magnitude ML 0.7 earthquake occured in region: 6 km NW Preci (PG), on

  • 21-04-2023 00:05:55 (UTC)
  • 21-04-2023 02:05:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9270, 13.0140 at 12 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
Preci PG 6 724 724
Visso MC 6 1107 1831
Monte Cavallo MC 8 145 1976
Sellano PG 8 1079 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 14 1458 5238
Fiordimonte MC 14 202 5440
Cerreto di Spoleto PG 14 1075 6515
Pievebovigliana MC 16 866 7381
Norcia PG 16 4957 12338
Fiastra MC 17 559 12897
Serravalle di Chienti MC 17 1070 13967
Acquacanina MC 18 121 14088
Muccia MC 18 915 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 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 0.7 2023-04-21
00:05:55
42.9273 13.0138 12 2023-04-21
00:16:23
Sala Sismica INGV-Roma 116561121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 00:05:55 ± 0.03
Latitude 42.9273 ± 0.0018
Longitude 13.0138 ± 0.0025
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116561121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 210
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.34804
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116561121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 00:16:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-04-21T00:06:08.18 0.1 undecidable manual S 351 36.8298 92 0.19 92
IV.MOMA.HHN. 2023-04-21T00:06:08.70 0.3 undecidable manual S 249 38.628 92 0.24 69
IV.LNSS.HHE. 2023-04-21T00:06:07.98 0.1 undecidable manual S 177 36.0417 92 0.19 93
IV.ASSB.HHZ. 2023-04-21T00:06:06.36 0.1 undecidable manual S 294 31.5462 93 -0.21 93
IV.GAVE.EHZ. 2023-04-21T00:06:05.54 0.3 undecidable manual S 200 27.8499 94 -0.05 72
IV.PF6.EHZ. 2023-04-21T00:06:05.56 0.1 undecidable manual S 32 27.5502 94 0.05 97
IV.MMO1.HNZ. 2023-04-21T00:06:05.00 0.1 undecidable manual S 97 25.6521 94 0 98
7F.SIB2.EHZ. 2023-04-21T00:06:04.46 0.1 undecidable manual S 100 23.8539 95 -0.08 97
IV.CSP1.EHZ. 2023-04-21T00:06:04.63 0.1 undecidable manual S 40 23.9538 95 0.08 97
7F.SIB1.EHZ. 2023-04-21T00:06:03.90 0.3 undecidable manual S 100 21.1677 96 0.09 73
IV.MOMA.HHN. 2023-04-21T00:06:03.18 0.3 undecidable manual P 249 38.628 92 0.12 71
IV.MML1.EHZ. 2023-04-21T00:06:03.59 0.1 undecidable manual S 351 20.9679 97 -0.16 96
7F.SIB3.EHZ. 2023-04-21T00:06:03.66 0.1 undecidable manual S 105 21.6672 96 -0.27 93
IV.LNSS.HHE. 2023-04-21T00:06:02.52 0.1 undecidable manual P 177 36.0417 92 -0.16 93
IV.SNTG.HHZ. 2023-04-21T00:06:02.69 0.1 undecidable manual P 351 36.8298 92 -0.1 94
IV.NRCA.HHZ. 2023-04-21T00:06:01.53 0.1 undecidable manual S 142 13.2756 113 -0.23 96
IV.ASSB.HHZ. 2023-04-21T00:06:01.96 0.1 undecidable manual P 294 31.5462 93 -0.02 97
IV.PF6.EHZ. 2023-04-21T00:06:01.31 0.1 undecidable manual P 32 27.5502 94 -0.05 97
IV.MMO1.HNZ. 2023-04-21T00:06:01.31 0.1 undecidable manual P 97 25.6521 94 0.24 94
IV.FDMO.HHZ. 2023-04-21T00:06:01.77 0.1 undecidable manual S 26 13.4754 112 -0.05 100
IV.CESI.HHZ. 2023-04-21T00:06:01.46 0.1 undecidable manual S 314 12.3765 116 -0.08 99
IV.GAVE.EHZ. 2023-04-21T00:06:01.34 0.3 undecidable manual P 200 27.8499 94 -0.07 72
IV.FEMA.HNZ. 2023-04-21T00:06:00.16 0.1 undecidable manual S 37 4.7952 152 0.06 100
IT.MTCL.HGZ. 2023-04-21T00:06:00.27 0.1 undecidable manual S 351 7.4814 138 -0.24 97
7F.SIB2.EHZ. 2023-04-21T00:06:00.94 0.1 undecidable manual P 100 23.8539 95 0.14 96
7F.SIB1.EHZ. 2023-04-21T00:06:00.30 0.3 undecidable manual P 100 21.1677 96 -0.08 73
IV.MML1.EHZ. 2023-04-21T00:06:00.34 0.1 undecidable manual P 351 20.9679 97 -0.01 99
IV.CSP1.EHZ. 2023-04-21T00:06:00.85 0.1 undecidable manual P 40 23.9538 95 0.04 98
7F.SIB3.EHZ. 2023-04-21T00:06:00.49 0.1 undecidable manual P 105 21.6672 96 0.04 98
IV.NRCA.HHZ. 2023-04-21T00:05:59.22 0.1 undecidable manual P 142 13.2756 113 0.03 100
IV.FDMO.HHZ. 2023-04-21T00:05:59.31 0.1 undecidable manual P 26 13.4754 112 0.08 99
IV.CESI.HHZ. 2023-04-21T00:05:59.15 0.1 undecidable manual P 314 12.3765 116 0.08 99
IV.FEMA.HNZ. 2023-04-21T00:05:58.43 0.1 undecidable manual P 37 4.7952 152 0.19 98
IT.MTCL.HGZ. 2023-04-21T00:05:58.54 0.1 undecidable manual P 351 7.4814 138 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.00014950000000000003 0.1 AML other m 2023-04-21T00:06:01.67
IV.FDMO.HHN. ML:0.8 0.00005715 0.28 AML other m 2023-04-21T00:06:01.96
IV.FDMO.HHE. ML:0.7 0.00004514999999999999 1.66 AML other m 2023-04-21T00:06:02.97
IV.NRCA.HHE. ML:1.0 0.00008785000000000001 0.14 AML other m 2023-04-21T00:06:02.26
IV.MML1.EHN. ML:0.6 0.000026000000000000002 1.02 AML other m 2023-04-21T00:06:03.45
IV.MML1.EHE. ML:0.6 0.000027249999999999995 0.7 AML other m 2023-04-21T00:06:04.51
IV.SNTG.HHE. ML:0.4 0.000010349625000000002 0.94 AML other m 2023-04-21T00:06:08.83
IV.SNTG.HHN. ML:0.4 0.0000081850315 1.62 AML other m 2023-04-21T00:06:08.69
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