Earthquake with magnitude of ML 1.2 on date 04-07-2023 and time 01:35:53 (Italy) in region 4 km E San Severino Marche (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km E San Severino Marche (MC), on

  • 03-07-2023 23:35:53 (UTC)
  • 04-07-2023 01:35:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2400, 13.2240 at 23 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
San Severino Marche MC 4 12726 12726
Tolentino MC 6 20069 32795
Serrapetrona MC 7 966 33761
Belforte del Chienti MC 8 1886 35647
Pollenza MC 11 6618 42265
Treia MC 11 9403 51668
Caldarola MC 11 1823 53491
Camporotondo di Fiastrone MC 12 563 54054
Gagliole MC 13 620 54674
Urbisaglia MC 13 2628 57302
Colmurano MC 14 1263 58565
Castelraimondo MC 14 4587 63152
Cessapalombo MC 15 512 63664
Cingoli MC 15 10352 74016
Ripe San Ginesio MC 16 852 74868
San Ginesio MC 16 3498 78366
Appignano MC 17 4213 82579
Camerino MC 17 6974 89553
Matelica MC 17 9981 99534
Loro Piceno MC 18 2401 101935
Apiro MC 19 2280 104215
Poggio San Vicino MC 19 246 104461
Macerata MC 20 42473 146934
Petriolo MC 20 1998 148932

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Ancona (100861 inhabitants)
53 Km NE of Foligno (57155 inhabitants)
69 Km S of Fano (60888 inhabitants)
69 Km E of Perugia (166134 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
79 Km SE of Pesaro (94582 inhabitants)
89 Km NE of Terni (111501 inhabitants)
100 Km N of L'Aquila (69753 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 2023-07-03
23:35:53
43.2398 13.224 23 2023-07-03
23:43:45
Sala Sismica INGV-Roma 118947391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-03 23:35:53 ± 0.16
Latitude 43.2398 ± 0.0045
Longitude 13.2240 ± 0.0086
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118947391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 615
Semi-minor axis of confidence ellipse (meter) 426
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.41369
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 118947391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-03 23:43:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-07-03T23:36:03.33 0.6 undecidable manual S 155 21.5673 131 0.35 47
IV.SNTG.HHZ. 2023-07-03T23:36:03.69 0.6 undecidable manual S 274 22.9548 129 0.43 46
IV.FDMO.HHZ. 2023-07-03T23:36:03.81 0.3 undecidable manual S 206 25.1526 126 0.09 73
IV.CSP1.EHZ. 2023-07-03T23:36:02.04 0.6 undecidable manual S 185 16.4724 140 0.02 50
IV.NRCA.HHZ. 2023-07-03T23:36:02.14 1.0 positive manual P 191 45.9207 109 -0.09 24
IV.PF6.EHZ. 2023-07-03T23:36:01.04 0.3 undecidable manual S 192 11.5773 150 -0.22 73
IV.MNTT.EHZ. 2023-07-03T23:36:01.24 0.1 positive manual P 123 35.9418 115 0.43 89
IV.EL6.EHZ. 2023-07-03T23:36:01.76 0.6 undecidable manual S 315 13.9749 144 0.15 49
IV.CING.HHZ. 2023-07-03T23:36:01.79 0.3 undecidable manual S 351 15.2736 142 -0.02 76
IV.MMO1.EHZ. 2023-07-03T23:36:00.90 0.3 positive manual P 168 38.628 113 -0.29 69
IV.MF5.EHZ. 2023-07-03T23:36:00.66 1.0 undecidable manual P 146 33.8439 117 0.14 24
IV.MDAR.HNZ. 2023-07-03T23:36:00.80 0.6 undecidable manual S 232 8.3805 157 -0.08 51
IV.SNTG.HHZ. 2023-07-03T23:35:59.14 0.3 positive manual P 274 22.9548 129 0.04 74
IV.FDMO.HHZ. 2023-07-03T23:35:59.22 0.6 negative manual P 206 25.1526 126 -0.15 48
IV.EL6.EHZ. 2023-07-03T23:35:58.16 0.6 undecidable manual P 315 13.9749 144 0.01 51
IV.CING.HHZ. 2023-07-03T23:35:58.11 0.1 negative manual P 351 15.2736 142 -0.15 98
IV.SAP2.EHZ. 2023-07-03T23:35:58.96 0.6 undecidable manual P 138 21.2676 131 0.06 50
IV.CSP1.EHZ. 2023-07-03T23:35:58.28 0.6 negative manual P 185 16.4724 140 -0.1 49
IV.GUMA.HHZ. 2023-07-03T23:35:58.95 0.1 positive manual P 155 21.5673 131 0.01 100
IV.PF6.EHZ. 2023-07-03T23:35:57.69 0.3 undecidable manual P 192 11.5773 150 -0.26 72
IV.MDAR.HNZ. 2023-07-03T23:35:57.63 0.6 undecidable manual P 232 8.3805 157 -0.09 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.6 0.00020600000000000002 0.56 AML other m 2023-07-03T23:36:02.88
IV.CSP1.EHN. ML:1.5 0.00016205965 0.1792 AML other m 2023-07-03T23:36:02.21
IV.FDMO.HHE. ML:1.0 0.0000407566 0.3072 AML other m 2023-07-03T23:36:03.96
IV.FDMO.HHN. ML:0.9 0.00003725 1.86 AML other m 2023-07-03T23:36:04.95
IV.NRCA.HHN. ML:1.1 0.000033539714999999994 0.128 AML other m 2023-07-03T23:36:10.09
IV.NRCA.HHE. ML:1.1 0.000036 0.98 AML other m 2023-07-03T23:36:10.79
IV.GUMA.HHE. ML:1.1 0.00006208559 0.3072 AML other m 2023-07-03T23:36:04.26
IV.GUMA.HHN. ML:1.0 0.00005222255000000001 0.3584 AML other m 2023-07-03T23:36:03.74
IV.GUMA.HNE. ML:1.4 0.000108855945 0.8192 AML other m 2023-07-03T23:36:03.67
IV.GUMA.HNN. ML:1.1 0.000064722875 0.4224 AML other m 2023-07-03T23:36:03.55
IV.SNTG.HHE. ML:0.6 0.00001863961 0.2304 AML other m 2023-07-03T23:36:04.05
IV.SNTG.HHN. ML:0.9 0.00004016377 0.1792 AML other m 2023-07-03T23:36:03.76
IV.SNTG.HNE. ML:1.2 0.000080973725 0.7552 AML other m 2023-07-03T23:36:03.64
IV.SNTG.HNN. ML:1.4 0.00011688281 0.6144 AML other m 2023-07-03T23:36:04.15
IV.MF5.EHE. ML:1.0 0.00003542722500000001 1.9456 AML other m 2023-07-03T23:36:00.80
IV.MF5.EHN. ML:1.0 0.000035787635 0.3968 AML other m 2023-07-03T23:36:06.88
IV.MNTT.EHE. ML:1.2 0.00005314936 0.3328 AML other m 2023-07-03T23:36:09.65
IV.MNTT.EHN. ML:1.2 0.000050599785 1.2032 AML other m 2023-07-03T23:36:20.56
IV.NRCA.HNE. ML:1.6 0.00009626226 0.576 AML other m 2023-07-03T23:36:01.24
IV.NRCA.HNN. ML:1.8 0.00015013684999999998 0.8448 AML other m 2023-07-03T23:36:05.56
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