Earthquake with magnitude of Md 2.4 on date 11-09-1988 and time 03:14:01 (Italy) in region 3 km W Acuto (FR)

A magnitude Md 2.4 earthquake occured in region: 3 km W Acuto (FR), on

  • 11-09-1988 01:14:01 (UTC)
  • 11-09-1988 03:14:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7840, 13.1380 at 5 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Acuto FR 3 1920 1920
Anagni FR 5 21464 23384
Piglio FR 5 4666 28050
Paliano FR 7 8281 36331
Serrone FR 7 3099 39430
Fiuggi FR 7 10536 49966
Torre Cajetani FR 11 1376 51342
Arcinazzo Romano RM 11 1348 52690
Trivigliano FR 11 1705 54395
Affile RM 12 1548 55943
Gavignano RM 12 1916 57859
Roiate RM 12 737 58596
Jenne RM 12 366 58962
Olevano Romano RM 12 6687 65649
Colleferro RM 12 21595 87244
Sgurgola FR 13 2676 89920
Trevi nel Lazio FR 13 1822 91742
Segni RM 14 9159 100901
Ferentino FR 14 21213 122114
Fumone FR 14 2102 124216
Bellegra RM 14 2887 127103
Gorga RM 14 710 127813
Genazzano RM 15 6036 133849
Guarcino FR 15 1623 135472
Subiaco RM 16 9074 144546
Montelanico RM 17 2131 146677
Morolo FR 17 3257 149934
San Vito Romano RM 17 3273 153207
Rocca Santo Stefano RM 17 975 154182
Vico nel Lazio FR 17 2234 156416
Rocca di Cave RM 17 377 156793
Cave RM 18 11287 168080
Capranica Prenestina RM 18 351 168431
Vallepietra RM 18 283 168714
Alatri FR 18 28952 197666
Valmontone RM 18 15959 213625
Artena RM 19 14276 227901
Collepardo FR 19 968 228869
Canterano RM 20 351 229220
Filettino FR 20 565 229785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Velletri (53303 inhabitants)
35 Km SE of Tivoli (56533 inhabitants)
40 Km NE of Latina (125985 inhabitants)
42 Km SE of Guidonia Montecelio (88673 inhabitants)
46 Km E of Aprilia (73446 inhabitants)
54 Km E of Pomezia (62966 inhabitants)
56 Km E of Roma (2864731 inhabitants)
56 Km NE of Anzio (54211 inhabitants)
67 Km SW of L'Aquila (69753 inhabitants)
75 Km E of Fiumicino (78395 inhabitants)
96 Km SE of Terni (111501 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
Bulletin
Rev1000
Md 2.4 1988-09-11
01:14:01
41.784 13.138 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 77059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-09-11 01:14:01 ± 0.178
Latitude 41.7840 ± 0.0197
Longitude 13.1380 ± 0.0110
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 77059

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2370.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00712
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 77059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:12:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1988-09-11T01:14:25.29 10.0 undecidable manual SG 330 0.6882 -1.39 0
--.SDI.Z. 1988-09-11T01:14:20.58 10.0 undecidable manual SG 98 0.4995 -0.24 0.5
--.RFI.Z. 1988-09-11T01:14:18.26 10.0 undecidable manual PG 126 0.7881 0.16 1.1
--.MNS.Z. 1988-09-11T01:14:15.50 10.0 undecidable manual PG 330 0.6882 -0.61 0.5
--.AZI.Z. 1988-09-11T01:14:13.99 10.0 undecidable manual SG 47 0.2997 0.62 0.3
--.RDP.Z. 1988-09-11T01:14:13.68 10.0 undecidable manual SG 265 0.3108 -0.25 0.6
--.SDI.Z. 1988-09-11T01:14:12.45 10.0 negative manual PG 98 0.4995 -0.28 2.5
--.RDP.Z. 1988-09-11T01:14:09.50 10.0 undecidable manual PG 265 0.3108 0.3 1.3
--.CP9.Z. 1988-09-11T01:14:08.80 10.0 undecidable manual SG 299 0.1554 0.78 0.2
--.AZI.Z. 1988-09-11T01:14:08.98 10.0 undecidable manual PG 47 0.2997 0.55 0.8
--.RMP.Z. 1988-09-11T01:14:08.81 10.0 undecidable manual PG 274 0.3219 -0.18 1.5
--.CP9.Z. 1988-09-11T01:14:05.61 10.0 positive manual PG 299 0.1554 0.27 2.8
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