Earthquake with magnitude of ML 0.7 on date 22-05-2023 and time 07:40:48 (Italy) in region 2 km E Visso (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km E Visso (MC), on

  • 22-05-2023 05:40:48 (UTC)
  • 22-05-2023 07:40:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 13.1110 at 17 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
Visso MC 2 1107 1107
Ussita MC 3 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 8 724 2556
Monte Cavallo MC 12 145 2701
Bolognola MC 12 142 2843
Fiordimonte MC 12 202 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Pieve Torina MC 14 1458 5183
Pievebovigliana MC 15 866 6049
Norcia PG 15 4957 11006
Sellano PG 16 1079 12085
Muccia MC 18 915 13000
Montemonaco AP 18 604 13604
Montefortino FM 19 1178 14782
Sarnano MC 20 3264 18046
Cerreto di Spoleto PG 20 1075 19121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
100 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 2023-05-22
05:40:48
42.9288 13.1107 17 2023-05-22
06:48:47
Sala Sismica INGV-Roma 117580131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-22 05:40:48 ± 0.2
Latitude 42.9288 ± 0.0045
Longitude 13.1107 ± 0.0135
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117580131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 833
Semi-minor axis of confidence ellipse (meter) 713
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 117580131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-22 06:48:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2023-05-22T05:42:22.40 3.0 undecidable manual Sn 3.68 0
IV.SPS2.HHZ. 2023-05-22T05:42:14.67 3.0 undecidable manual Sn -3.17 0
IV.ACATE.EHZ. 2023-05-22T05:42:12.14 3.0 undecidable manual Pg 14.33 0
IV.PTRP.HHZ. 2023-05-22T05:41:58.73 3.0 undecidable manual Sg 8.76 0
IT.LNT.HGZ. 2023-05-22T05:41:55.73 3.0 undecidable manual Pn 0.79 0
GU.POPM.HHZ. 2023-05-22T05:41:49.05 3.0 undecidable manual Sn -0.33 0
GU.GORR.HHZ. 2023-05-22T05:41:38.98 3.0 negative manual Pn 5.06 0
IV.TDS.HHZ. 2023-05-22T05:41:31.92 3.0 undecidable manual Pn 2.69 0
OT.OT14.EHZ. 2023-05-22T05:41:26.33 3.0 undecidable manual Sn -0.18 0
GU.POPM.HHZ. 2023-05-22T05:41:23.64 3.0 positive manual Pg 6.06 0
IV.SENI.HNZ. 2023-05-22T05:41:13.90 3.0 undecidable manual Sg 0.23 0
IV.RIBO.EHZ.01 2023-05-22T05:41:07.77 3.0 undecidable manual Pn -1.6 0
IV.CSP1.EHZ. 2023-05-22T05:40:56.33 0.6 undecidable manual S 23 19.6692 120 0 49
IV.RCAV.EHZ. 2023-05-22T05:40:54.68 3.0 undecidable manual P 0.18 0
IV.FDMO.HHZ. 2023-05-22T05:40:54.78 0.6 undecidable manual S 351 12.0768 137 0.04 50
IV.NRCA.HHZ. 2023-05-22T05:40:54.58 0.3 undecidable manual S 178 10.5783 141 0.1 74
IV.GUMA.HHZ. 2023-05-22T05:40:53.91 1.0 undecidable manual P 51 23.4543 114 0.49 22
7F.SIB3.EHE. 2023-05-22T05:40:52.15 0.1 undecidable manual P 115 14.2746 131 -0.06 99
IV.MMO1.HNE. 2023-05-22T05:40:52.62 0.1 undecidable manual P 101 17.871 123 -0.03 99
IV.CSP1.EHZ. 2023-05-22T05:40:52.95 0.1 undecidable manual P 23 19.6692 120 0.07 98
7F.SIB2.EHE. 2023-05-22T05:40:52.37 0.1 undecidable manual P 105 16.2726 126 -0.08 98
IV.FDMO.HHZ. 2023-05-22T05:40:51.79 0.1 undecidable manual P 351 12.0768 137 -0.18 97
IV.NRCA.HHZ. 2023-05-22T05:40:51.87 0.1 undecidable manual P 178 10.5783 141 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.00005270000000000001 0.16 AML other m 2023-05-22T05:40:54.80
IV.NRCA.HHE. ML:0.6 0.000035999999999999994 1.22 AML other m 2023-05-22T05:40:55.87
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