Earthquake with magnitude of ML 1.3 on date 17-09-2021 and time 13:34:44 (Italy) in region 3 km SW Serrapetrona (MC)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Serrapetrona (MC), on

  • 17-09-2021 11:34:44 (UTC)
  • 17-09-2021 13:34:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.152, 13.175 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
Serrapetrona MC 3 966 966
Caldarola MC 5 1823 2789
Belforte del Chienti MC 5 1886 4675
Camporotondo di Fiastrone MC 8 563 5238
Cessapalombo MC 8 512 5750
San Severino Marche MC 9 12726 18476
Camerino MC 9 6974 25450
Tolentino MC 11 20069 45519
Castelraimondo MC 12 4587 50106
Pievebovigliana MC 12 866 50972
San Ginesio MC 13 3498 54470
Gagliole MC 13 620 55090
Fiastra MC 13 559 55649
Muccia MC 13 915 56564
Acquacanina MC 14 121 56685
Fiordimonte MC 15 202 56887
Colmurano MC 15 1263 58150
Pieve Torina MC 16 1458 59608
Pioraco MC 16 1134 60742
Ripe San Ginesio MC 16 852 61594
Gualdo MC 16 815 62409
Sarnano MC 17 3264 65673
Urbisaglia MC 17 2628 68301
Matelica MC 18 9981 78282
Bolognola MC 18 142 78424
Sefro MC 18 422 78846
Sant'Angelo in Pontano MC 19 1436 80282
Pollenza MC 19 6618 86900
Loro Piceno MC 20 2401 89301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Foligno (57155 inhabitants)
59 Km SW of Ancona (100861 inhabitants)
64 Km E of Perugia (166134 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
78 Km S of Fano (60888 inhabitants)
79 Km NE of Terni (111501 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
91 Km N of L'Aquila (69753 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.3 2021-09-17
11:34:44
43.1525 13.1753 13 2021-09-17
11:42:42
Sala Sismica INGV-Roma 95543391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-17 11:34:44 ± 0.08
Latitude 43.1525 ± 0.0036
Longitude 13.1753 ± 0.0037
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 95543391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 95543391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-17 11:42:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2021-09-17T11:35:00.99 3.0 undecidable manual P -0.09 0
IV.NRCA.HHZ. 2021-09-17T11:34:56.01 0.3 undecidable manual S 188 0.322 95 -0.17 69
IV.CESI.HHZ. 2021-09-17T11:34:54.12 0.1 undecidable manual S 233 0.2464 98 0.16 95
IV.CING.HHZ. 2021-09-17T11:34:53.23 0.1 undecidable manual S 4 0.223 99 -0.05 97
IV.MC2.EHZ. 2021-09-17T11:34:53.83 0.1 undecidable manual S 178 0.241 98 0.03 96
IV.EL6.EHZ. 2021-09-17T11:34:52.33 0.1 undecidable manual S 343 0.1844 104 0.17 94
IV.SNTG.HHZ. 2021-09-17T11:34:52.75 0.1 undecidable manual S 301 0.1996 102 0.17 95
IV.GUMA.HHZ. 2021-09-17T11:34:51.60 0.1 undecidable manual S 128 0.1475 111 0.51 86
IV.MML1.EHZ. 2021-09-17T11:34:51.44 0.1 undecidable manual S 255 0.1538 110 0.17 96
IV.NRCA.HHZ. 2021-09-17T11:34:50.78 0.1 negative manual P 188 0.322 95 -0.32 89
IV.ARVD.HHZ. 2021-09-17T11:34:50.40 3.0 negative manual P -1.79 0
IV.MC2.EHZ. 2021-09-17T11:34:49.55 0.1 negative manual P 178 0.241 98 -0.18 93
IV.CESI.HHZ. 2021-09-17T11:34:49.75 0.1 undecidable manual P 233 0.2464 98 -0.07 95
IV.CSP1.EHZ. 2021-09-17T11:34:49.08 0.1 undecidable manual S 160 0.0639 144 -0.05 100
IV.CING.HHZ. 2021-09-17T11:34:49.22 0.1 negative manual P 4 0.223 99 -0.21 93
IV.MML1.EHZ. 2021-09-17T11:34:48.29 0.1 positive manual P 255 0.1538 110 0.02 98
IV.EL6.EHZ. 2021-09-17T11:34:48.72 0.6 negative manual P 343 0.1844 104 -0.06 48
IV.SNTG.HHZ. 2021-09-17T11:34:48.98 0.3 negative manual P 301 0.1996 102 -0.05 72
IV.PF6.EHE. 2021-09-17T11:34:48.42 0.1 undecidable manual S 137 0.0198 168 -0.17 99
IV.GUMA.HHZ. 2021-09-17T11:34:48.23 0.3 undecidable manual P 128 0.1475 111 0.06 72
IV.GAG1.HNZ. 2021-09-17T11:34:47.59 3.0 undecidable manual P 0
IV.CSP1.EHZ. 2021-09-17T11:34:47.08 0.6 undecidable manual P 160 0.0639 144 0.05 49
IV.PF6.EHE. 2021-09-17T11:34:46.61 0.1 undecidable manual P 137 0.0198 168 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.7 0.000595 0.62 AML other m 2021-09-17T11:34:49.44
IV.CSP1.EHE. ML:1.6 0.0004455 0.16 AML other m 2021-09-17T11:34:49.82
IV.MML1.EHN. ML:1.3 0.0001405 0.32 AML other m 2021-09-17T11:34:51.56
IV.MML1.EHE. ML:1.3 0.000152 0.24 AML other m 2021-09-17T11:34:51.66
IV.EL6.EHE. ML:1.6 0.0002855 1.22 AML other m 2021-09-17T11:34:53.75
IV.SNTG.HHE. ML:1 7.135E-5 0.16 AML other m 2021-09-17T11:34:53.12
IV.SNTG.HHN. ML:1.1 8.025E-5 0.16 AML other m 2021-09-17T11:34:53.14
IV.CING.HHN. ML:1 4.895E-5 0.08 AML other m 2021-09-17T11:34:53.88
IV.EL6.EHN. ML:1.6 0.000241 0.92 AML other m 2021-09-17T11:34:54.61
IV.CING.HHE. ML:1 6.005E-5 1 AML other m 2021-09-17T11:34:54.72
IV.CESI.HHN. ML:1.4 0.000123 0.16 AML other m 2021-09-17T11:34:54.54
IV.CESI.HHE. ML:1.5 0.0001545 0.76 AML other m 2021-09-17T11:34:54.27
IV.NRCA.HHE. ML:1.2 6.615E-5 0.34 AML other m 2021-09-17T11:34:56.70
IV.NRCA.HHN. ML:1.2 5.49E-5 0.12 AML other m 2021-09-17T11:34:59.18
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